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Notices - |
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Week 11 |
ENGLAND - Dangerous wrecks and obstructions exist in the following positions: Wreck 8·2m 51° 59´·77N., 1° 27´·19E. Obstruction 9·3m 52° 04´·44N., 1° 33´·34E. A dangerous wreck with the least depth 3·4m is reported to exist in lieu of the 4·4m obstruction in position 51° 59´·86N., 1° 26´·47E. Mariners are advised to navigate with caution in the area. Charts will be updated when full details are available. Former Notice 897(P)/26 (Week 9) is cancelled. Notice 1211(P) refers Base image is from Imray C1 by courtesy of Imray and Meridian Chartware.
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Affects: UKHO SNC: 2052 and 2693. UKHO SCC: 5607.5 and 5614.1. Imray Main Charts: C1 Imray Leisure Charts: 2000.2 and 2000.3 An amendment to a Preliminary Notice a few weeks earlier to which a reduced depth (down to 3.4m) between the Woodbridge and Orford Havens over a previous obstruction is added.
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Week 09 |
ENGLAND - Dangerous wrecks and obstructions exist in the following positions: Feature – Depth - Wreck 8·2m 51° 59´·77N., 1° 27´·19E. Obstruction 9·3m 52° 04´·44N., 1° 33´·34E. Mariners are advised to navigate with caution in the area. Charts will be updated when full details are available. Notice 897(P) refers Base image is from Imray C1 by courtesy of Imray and Meridian Chartware.
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Affects: UKHO SNC: 2052 and 2693. UKHO SCC: 5607.5 and 5614.1. Imray Main Charts: C1 Imray Leisure Charts: 2000.2 and 200.3 One new wreck and one new obstn between Bawdsey and Oxford Beach; the wreck off north of Bawdsey and the obstn off the Orford Beach. Both have ample water for leisure craft.
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Week 09 |
ENGLAND - Insert:
Notice 954 refers Base image is from SN chart 1543 by courtesy of the UKHO and their copyright.
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Affects: UKHO SNC: 1543. UKHO SCC: 5614.1 (Panel A, Orford Ness to Benacre). Imray Main Charts: C28 The Notice confirms local Sizewell Harbour notice No 4 of 2026 which announced the positioning of a yellow lit mooring buoy south of the Bird Nesting tower off Minsmere within the Harbour area.
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Week 08 |
ENGLAND - Insert: depth, 9.8, and extend 10m contour W to enclose 52° 31´·32N., 1° 46´·67E. depth, 9.5, enclosed by 10m contour at 52° 31´·14N., 1° 46´·47E. depth, 7.9 at 52° 31´·01N., 1° 46´·66E. Delete depth, 9.6, close NW. depth, 3.1, enclosed by 5m contour at 52° 30´·55N., 1° 46´·66E. Delete depth, 7.3, close NE. depth, 2.3, and extend 5m contour W to enclose 52° 30´·83N., 1° 46´·86E. depth, 8.8, and extend 10m contour W to enclose 52° 30´·86N., 1° 46´·48E. Replace: depth, 8.5, with depth, 6.5 at 52° 30´·90N., 1° 46´·74E. Notice 764 refers Base image is from Imray C28 by courtesy of Imray and Meridian Chartware.
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Affects: UKHO SNC: 1534, 1535 and 1543. UKHO SCC: 5614.4 (Panel A, Approaches to Great Yarmouth), 5614.3 and 5614.2. Imray Main Charts: C28. Seven reductions of depth I and around the NW Hom SHB in Corton Road (Lowestoft to Great Yarmouth). Depths are sufficient for leisure craft but two of the reductions are quite significant (e.g. 7.3m down to 3.1m).
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Week 05 |
ENGLAND - Note: Former Notice 4704(P)/25 is cancelled. Replace: depth, 7.1, with depth, 1.5, and extend 2m contour E to enclose 52° 27´·72N., 1° 47´·80E. Notice 441 refers Base image is from UKHO chart 1543 by courtesy of UKHO (copyright) and Meridian Chartware.
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Affects: UKHO SNC: 1543. UKHO SCC: 5614.2 Imray Main Charts: C28D A significant reduction of depth on the east side of the Holm Sand (off Lowestoft).
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Week 05 |
ENGLAND - Insert:
52° 12´·93N., 1° 38´·23E. Notice 517 refers Base image is from UKHO chart 1543 by courtesy of UKHO (copyright) and Meridian Chartware.
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Affects: UKHO SNC: 1543. UKHO SCC: 5614.1 (Panel A, Orford Ness to Benacre Ness) Imray Main Charts: C28 Two new Yellow special lit buoys within the Sizewell Harbour Limits. Worth noticing if using the channel inside the Sizewell Bank.
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Week 05 |
ENGLAND - Note: Former Notice 4979(P)/23 is cancelled. Insert: the accompanying block, centred on: 52° 34´·4N., 1° 44´·0E. Notice 523 refers UKHO blocks are copyright.
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Affects: UKHO SNC: 1534 (Plan A, Great Yarmouth Outer Harbour). UKHO SCC: 5614.4 (Plan B, Great Yarmouth Outer Harbour) Imray Main Charts: C28 The UKHO has issue two blocks, one for the SNC and a second for the SCC, covering Gorleston Pier and the Yare ‘corner’.
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Week 04 |
ENGLAND - Insert:
Replace:
Notice 367 refers Base image is from UKHO chart 1504 by courtesy of UKHO (copyright) and Meridian Chartware.
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Affects: UKHO SNC: 106, 1408, 1504, 1534, 1535, 1543 and 2182A. UKHO SCC: 5614.4 (Panel A, Approaches to Great Yarmouth), Chart 5614.5 (Panel A, Northern Approaches to Great Yarmouth), 5614.3, Chart 5614.6 (Panel A, Caister- Imray Main Charts: C28 Port of Great Yarmouth (ABP Ports) have changed the designation of their three Pilot Boarding Places and have added a fourth Pilot Boarding Place designated ‘Cockle’ (off-
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Week 04 |
ENGLAND - Insert: depth, 7.9 at 52° 34´·843N., 1° 44´·754E. Delete depth, 8.4, close NW. depth, 2.6 at 52° 34´·605N., 1° 44´·693E. Delete depth, 3.5, close W. depth, 4.9, and extend 5m contour N to enclose 52° 34´·608N., 1° 44´·615E. Delete depth, 7.2, close W. Replace: depth, 4.5, with depth, 3.8 at 52° 34´·717N., 1° 44´·768E. depth, 2.8, with depth, 2.3 at 52° 34´·596N., 1° 44´·563E. Notice 432 refers Base image is from Imray C28 by courtesy of Imray and Meridian Chartware.
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Affects: UKHO SNC: 1534 (Panel A, Great Yarmouth Outer Harbour). UKHO SCC: 5614.4 (Panel B, Great Yarmouth Outer Harbour). Imray Main Charts: C28 Five reductions of depth, two on the north side of the Outer Harbour entrance of Great Yarmouth and three inside the Outer Harbour (south side). Not that where we are supposed to be!
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SCROLL DOWN FOR 2025 NOTICES |
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Week 51 |
ENGLAND - Recent survey information has shown that numerous depths less than charted exist within Lowestoft North Road, approaches to Lowestoft and Stanford Channel. The most significant are as follows: Depth Position 8·8m 52° 29´·88N., 1° 46´·73E. 6·4m 52° 29´·02N., 1° 47´·77E. 4·9m 52° 28´·50N., 1° 45´·81E. 3·3m 52° 28´·48N., 1° 47´·81E. 13·7m 52° 28´·36N., 1° 48´·27E. 8m 52° 28´·08N., 1° 47´·95E. 1·5m 52° 27´·72N., 1° 47´·80E. 1·2m 52° 27´·48N., 1° 47´·61E. 1·8m 52° 27´·22N., 1° 47´·27E. 2·1m 52° 26´·62N., 1° 46´·69E. 3·1m 52° 26´·39N., 1° 47´·16E. These changes will be included in New Edition of Charts 1535, and 5614.3 to be published early 2026. Charts 1543, and 5614.2 will be updated by Notice to Mariners. Former Notice 4704(P)/25 is cancelled. Mariners are advised to navigate with caution in the area and consult the local port authorities for the latest information. Notice 5680(P) refers Base image is from Imray chart C28 and C28D by courtesy of Imray and Meridian Chartware.
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Affects: UKHO SNC: 1535. UKHO SCC: 5614.3. Imray Full Charts: C28 and C28D. A preliminary notice alerting us of 11 reductions of depth east of the S. Holm sands (Lowestoft North Road, approaches to Lowestoft and Stanford Channel).
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Week 50 |
ENGLAND - A temporary orange buoy, Fl.1.5s, has been established in position 52° 13´·42N., 1° 40´·98E. to mark an obstruction which may extend up to 4m above the seabed. Mariners are advised to maintain a clearance of 200 metres from the buoy until further notice. Mariners are advised to navigate with caution in the area and consult the local port authorities for the latest information. Notice 5572(T) refers Base image is from Imray chart C28 by courtesy of Imray and Meridian Chartware.
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Affects: UKHO SNC: 1504, 1543 and 1610. UKHO SCC: 5614.1 Imray Full Charts: C28 A temporary notice confirming the local Sizewell Harbour NtM No 15. A lit orange buoy marks an obstruction which may extend 4m up from the seabed. A 200m clear zone is recommended round the orange buoy. The image includes the marking of the Sizewell Harbour limits.
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Week 49 |
ENGLAND - Insert: depth, 4.5, and extend 5m contour E to enclose 52° 31´·32N., 1° 48´·90E. Delete depth, 8.3, close SE. depth, 4.2, enclosed by 5m contour 52° 31´·94N., 1° 48´·98E. Delete depth, 4.7, close SW. depth, 11.1 at 52° 32´·12N., 1° 49´·30E. Delete depth, 12.5, close NW. depth, 4.5, enclosed by 5m contour at 52° 32´·29N., 1° 48´·80E. Delete depth, 5.1, close NW and depth 5 close SE. depth, 6.2 at 52° 32´·31N., 1° 49´·07E. Delete depth, 6.6, close S. depth, 8.8, and extend 10m contour E to enclose 52° 32´·44N., 1° 49´·09E. Delete depth, 8.4, close NW. depth, 4.9, enclosed by 5m contour at 52° 32´·49N., 1° 48´·82E. Delete depth, 6.4, close NW and depth, 5.5, close S. depth, 6.2 at 52° 32´·64N., 1° 48´·64E. Delete depth, 6.7, close E. depth, 7.9 at 52° 32´·66N., 1° 48´·89E. Delete depth, 8.9, close NW. Notice 5374 refers Base image is from Imray chart C28 by courtesy of Imray and Meridian Chartware.
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Affects: UKHO SNC: 1534, 1535 and 1543. UKHO SCC: 5614.4 (Panel A, Approaches to Great Yarmouth), 5614.3 and 5614.2. Imray Full Charts: C28 A cluster of 9 reductions of depth in the Holm Approaches to Great Yarmouth. Very uneven bottom but unlikely to hinder leisure craft from those depths. The image includes one additional sounding from NtM 609 earlier this year.
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Week 47 |
ENGLAND - A lost anchor and chain have been reported in position 52° 18´·15N., 1° 42´·50E. Mariners are advised to navigate with caution in the area. Notice 5105(T) refers Base image is from Imray chart C28 by courtesy of Imray and Meridian Chartware.
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Affects: UKHO SNC: 1504, 1543 and 1610. UKHO SCC: 5614.1 Imray Full Charts: C28 Imray Leisure Folios: 2000.10 A temporary notice warning of a lost anchor and chain 1.4nm SE of Southwold Harbour entrance.
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Week 44 |
ENGLAND - Recent survey information has shown that depths less than charted exist within the approaches to Lowestoft. The most significant are as follows: Depth Position 4·1m 52° 29´·56N., 1° 46´·94E. 3·8m 52° 29´·44N., 1° 47´·02E. 1·5m 52° 27´·73N., 1° 47´·81E. 1·5m 52° 27´·58N., 1° 47´·70E. 7·2m 52° 27´·39N., 1° 46´·90E. 7·4m 52° 27´·24N., 1° 46´·87E. Mariners are advised to navigate with caution in the area. Charts will be updated when full details are available. Notice 4704(P) refers Base image is from Imray chart C28 by courtesy of Imray and Meridian Chartware.
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Affects: UKHO SNC: 1535 and 154. UKHO SCC: 5614.2 and 5614.3 Imray Full Charts: C28 A Preliminary UKHO Notice announcing six reductions of depth in the Lowestoft Approaches, two by the W. Holm SHB, two on the east side of south Holm Sand and two in the Stanford Channel adjacent to the Stanford PHB. The two reductions on the east side of the south Holm sand is quite dramatic and significant.
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Week 43 |
ENGLAND - Insert: depth, 9.6, and extend 10m contour NE to enclose 52° 34´·610N., 1° 44´·819E. Notice 4606 refers Base image is from Imray chart C28C by courtesy of Imray and Meridian Chartware.
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Affects: UKHO SNC: 1534 (Panel A, Great Yarmouth Outer Harbour) UKHO SCC: 5614.4 (Panel B, Great Yarmouth Outer Harbour) Imray Full Charts: C28C One reduction of depth just outside the southern entrance of the Great Yarmouth Outer Harbour. The image includes two reductions of depth reported in the area by NtM 2318 earlier this year. Unlikely to hinder leisure craft.
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Week 42 |
New Editions of ADMIRALTY Charts to be published 16 October 2025 SN Chart 1183 - New Editions of ADMIRALTY Small Craft Charts to be published 30 October 2025 SC Chart 5614.1 - A Orford Ness to Benacre Ness. 1:75,000 B Orford Ness. 1:50,000 SC Chart 5614.2 - SC Chart 5614.6 – A Caister- B Southwold Harbour. 1:7,500 |
This chart is to be deleted from the list of charts affected by Notices 4461(P)/23 and 1339(P)/25. |
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Week 41 |
ENGLAND - Insert depth, 5, and extend 5m contour E to enclose 52° 16´·59N., 1° 38´·50E. depth, 3.4 at 52° 14´·62N., 1° 38´·94E. Delete depth, 4.2, close N. depth, 4.9, and extend 5m contour S to enclose 52° 13´·81N., 1° 39´·07E. depth, 1.9 at 52° 12´·14N., 1° 38´·95E. Delete depth, 2.6, close S. Insert circular limit of 0m low water line, radius 0·05NM (100m), centred on: 52° 11´·27N., 1° 37´·76E. Chart 5614_1 (Panel A, Orford Ness to Benacre Ness) Insert: the accompanying block, centred on: 52° 13´·9N., 1° 38´·6E. Notice 4424 refers Base image is from Imray chart C28 by courtesy of Imray and Meridian Chartware. Block is copyright of the UKHO.
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Affects: UKHO SNC: 1610 UKHO SCC: 5614.1 (Panel A, Orford Ness to Benacre Ness) Imray Full Charts: C28 Five reduced depths in and around the Dunwich and Sizewell Banks. Notable for us include a drying area just offshore of Thorpeness and a reduced depth over the Sizewell Bank. The image includes the location of the Sizewell Harbour limits as report vide NtM 4251(T) last week. A UKHO block accompanies the Notice showing the revised depths but does NOT include the harbour limits (obviously because last week’s Notice was too late to be included in the block.
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Week 40 |
ENGLAND - A restricted area has been established bounded by the coast and the following positions: 52° 12´·0N., 1° 37´·4E. 52° 12´·8N., 1° 37´·4E. 52° 12´·8N., 1° 38´·4E. 52° 12´·7N., 1° 40´·1E. 52° 12´·0N., 1° 40´·1E. Commercial, service, and construction vessels are prohibited from entering this area without permission of the Harbour Master. Notice 4251(T) refers Base image is from Imray chart C28 by courtesy of Imray and Meridian Chartware.
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Affects: UKHO SNC: 1543. UKHO SCC: 5614.1 Imray Full Charts: C28 Imray Leisure Folios: 2000.10 A temporary notice marking the harbour limits of Sizewell Harbour (off the nuclear power station and the site for the future new station). Commercial, service and construction traffic is prohibited without permission from the Harbour Master.
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Week 39 |
New Editions of ADMIRALTY Small Craft Charts published 25 September 2025 5614.3 Approaches to Lowestoft. 1:25,000 This chart is to be deleted from the list of charts affected by Notice 4173(P)/25. 5614.4 A Approaches to Great Yarmouth. 1:25,000 B Great Yarmouth Outer Harbour. 1:7,500 This chart remains affected by Notice 4979(P)/23. This chart is to be deleted from the list of charts affected by Notice 4173(P)/25. 5614.5 A Northern Approaches to Great Yarmouth. 1:25,000 B Great Yarmouth Haven. 1:7,500 This chart remains affected by Notice 4979(P)/23. This chart is to be deleted from the list of charts affected by Notice 4173(P)/25. |
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Week 39 |
ENGLAND - Insert: depth, 9.7, and extend 10m contour NE to enclose 52° 42´·44N., 1° 42´·96E. Delete depth, 10.9, close SE. depth, 7 at 52° 42´·33N., 1° 43´·83E. Delete depth, 8.4, close SW. depth, 6.9 at 52° 41´·90N., 1° 43´·88E. Delete depth, 8.4, close NW. depth, 8.3 at 52° 41´·24N., 1° 43´·58E. Delete depth, 9.7, close S. depth, 4.2, enclosed by 5m contour at 52° 41´·19N., 1° 44´·55E. depth, 3.9, enclosed by 5m contour at 52° 40´·87N., 1° 44´·48E. Delete depth, 5.6, close SW. depth, 3.5, and extend 5m approximate contour E to enclose 52° 38´·21N., 1° 49´·43E. Delete depth, 37, close S. depth, 11.9, and extend 15m approximate contour E to enclose 52° 37´·67N., 1° 49´·59E. Delete depth, 36, close E. depth, 7.8, and extend 10m approximate contour E to enclose 52° 37´·16N., 1° 49´·33E. Delete depth, 8.1, close NW. depth, 0.7, and extend 2m contour NW to enclose 52° 27´·74N., 1° 45´·03E. depth, 5.5, close NW. depth, 3.8, and extend 5m contour E to enclose 52° 26´·54N., 1° 47´·27E. Delete depth, 4, close W. Notice 4172 refers Base image is from Imray chart C28 by courtesy of Imray and Meridian Chartware.
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Affects: UKHO SNC: 106 UKHO SCC: 5614.2 and 5614.6 (Panel A, Caister- Imray Full Charts: C28 This week we have three NtM notifying a total of 40 reductions of depth the length between Hemsby and Kessingland. Earlier this year we had had two Preliminary Notices which are now ‘overwritten’. I have made 4 images displaying all the reductions in these three Notices of which one is permanent and two are preliminary. Some reductions are dramatic: for example one depth of 36m is reduced to 11.9m, another, a depth of 37m is reduced to 3.5m!
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Week 39 |
ENGLAND - Recent survey information has shown that depths less than charted exist within the vicinity of Lowestoft, Great Yarmouth and Approaches. The most significant are as follows: Depth Position 6·5m 52° 32´·32N., 1° 49´·03E. 9·4m 52° 30´·22N., 1° 49´·76E. 9·4m 52° 32´·95N., 1° 48´·69E. 9·4m 52° 32´·29N., 1° 49´·15E. 4·4m 52° 28´·332N., 1° 45´·729E. 1·4m 52° 28´·270N., 1° 45´·681E. 1·2m 52° 27´·86N., 1° 45´·17E. 0·7m 52° 27´·74N., 1° 45´·03E. 1·4m 52° 27´·12N., 1° 44´·80E. 0·8m 52° 26´·59N., 1° 44´·79E. 4·4m 52° 26´·77N., 1° 46´·61E. 1·4m 52° 25´·34N., 1° 44´·98E. 13·9m 52° 41´·49N., 1° 46´·77E. 3·6m 52° 40´·73N., 1° 44´·52E. 0·8m 52° 40´·31N., 1° 44´·60E. 4·2m 52° 41´·30N., 1° 44´·88E. 1·5m 52° 37´·78N., 1° 48´·99E. Depth Position 4·2m 52° 41´·19N., 1° 44´·55E. 4·8m 52° 38´·01N., 1° 45´·03E. 3·6m 52° 26´·54N., 1° 47´·24E. 8·8m 52° 41´·99N., 1° 45´·83E. 18·9m 52° 41´·99N., 1° 46´·30E. 8·3m 52° 41´·59N., 1° 45´·77E. 7·4m 52° 41´·37N., 1° 46´·02E. 4·8m 52° 41´·27N., 1° 45´·94E. 14m 52° 41´·17N., 1° 46´·01E. 11·8m 52° 40´·33N., 1° 45´·55E. 14·8m 52° 40´·13N., 1° 45´·46E. Notice 4173(P) refers
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Affects: UKHO SNC: Chart 106 will be amended by NtM. UKHO SCC: These changes will be included in the next New Editions of 5614.1, 5614.3, 5614.4 and 5614.5. 5614.2 and 5614.6 will be updated by NtM. Imray Full Charts: C28 Former Notice 2428(P)/25 is cancelled. See above. |
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Week 39 |
ENGLAND - Recent survey information has shown that depths less than charted exist within the approaches to Great Yarmouth. The most significant are as follows: Depth Position 4·2m 52° 31´·94N., 1° 48´·98E. 4·3m 52° 31´·56N., 1° 48´·85E. Mariners are advised to navigate with caution in the area. Charts will be updated when full details are available. Notice 4201(P) refers
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Affects: UKHO SNC: 1534, 1535 and 1543. UKHO SCC: 5614.2, 5614.3 and 5614.3. Imray Full Charts: C28 See above |
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Week 37 |
ENGLAND - Amend: light- light- Notice 3993 refers Base image is from Imray chart C28 by courtesy of Imray and Meridian Chartware
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Affects: UKHO SNC: 1504, 1543 and 1610 UKHO SCC: 5614.1 (Panel A, Orford Ness to Benacre Ness) Imray Full Charts: C28 Imray Leisure Folios: 2000.10 Two lit port hand buoys off Sizewell have reversed (.e. swapped) the light characteristics!
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Week 36 |
ENGLAND - Insert depth, 7.8, and extend 10m contour W to enclose 52° 37´·56N., 1° 46´·55E. Delete depth, 12.4, close SW. depth, 4.2, enclosed by 5m contour at 52° 37´·41N., 1° 46´·59E. Delete depth, 7.4, close N and depth, 6, close S. Notice 3797 refers Base image is from Imray chart C28 by courtesy of Imray and Meridian Chartware.
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Affects: UKHO SNC: 1534 and 1543. UKHO SCC: 5614.5 (Panel A, Northern Approaches to Great Yarmouth) and 5614.2 Imray Full Charts: C28 Two significant reductions of depth on the west side of the Scroby Sands in Yarmouth Road.
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Week 35 |
ENGLAND - Insert: the accompanying block, centred on: 52° 28´·4N., 1° 45´·6E. using the appropriate image for the chart. Notice 3670 refers Blocks are copyright of UKHO
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Affects: UKHO SNC: 1535 (Panel, Lowestoft Harbour). UKHO SSC: 5614.20 (Panel A, Lowestoft Harbour) Imray Full Charts: C28H Two UKHO Blocks, one for the SN chart and the SC chart of Lowestoft Harbour showing detail close by the harbour wall north of the entrance.
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Week 34 |
ENGLAND - Insert: legend, Historic Wrecks (see Note), at wreck 52° 54´·85N., 1° 34´·79E. Notice 3578 refers Base image is from Imray chart C28 by courtesy of Imray and Meridian Chartware.
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Affects: UKHO SNC: 106, 1503 and 1504. UKHO SSC: 5614.6 (Panel A, Caister- Imray Full Charts: C28 An existing wreck in ‘The Would’ (off Bacton) is now designated an Historic Wreck. Unlikely to hinder leisure craft.
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Week 30 |
ENGLAND - Insert: depth, 3.8 at 52° 35´·977N., 1° 43´·610E. Delete depth, 4.8, close N. depth, 4.9, and extend 5m contour W to enclose 52° 35´·813N., 1° 43´·615E. depth, 4.7, and extend 5m contour E to enclose 52° 35´·706N., 1° 43´·581E. Delete depth, 5.3, close NE. Notice 3171 refers Base image is UKHO chart 1534 Panel B. © Crown Copyright and/or database rights. Reproduced by permission of The Keeper of Public Records and the UK Hydrographic Office (www.GOV.uk/UKHO).
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Affects: UKHO SNC: 1534 (Panel B, Great Yarmouth). Three reductions of depth in the River Yare off Southtown. Unlikely to hinder leisure craft.
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Week 28 |
New Editions of ADMIRALTY Charts to be published on 24th July, 2025 SN Chart 1543 - |
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Week 24 |
ENGLAND - Recent survey information has shown that depths less than charted exist within the vicinity of Lowestoft, Great Yarmouth and Approaches. The most significant are as follows: Depth Position 6·5m 52° 32´·32N., 1° 49´·03E. 9·4m 52° 30´·22N., 1° 49´·76E. 9·4m 52° 32´·95N., 1° 48´·69E. 9·4m 52° 32´·29N., 1° 49´·15E. 9·4m 52° 33´·63N., 1° 47´·73E. 4·4m 52° 28´·332N., 1° 45´·729E. 1·4m 52° 28´·270N., 1° 45´·681E. 1·2m 52° 27´·86N., 1° 45´·17E. 0·7m 52° 27´·74N., 1° 45´·03E. 1·4m 52° 27´·12N., 1° 44´·80E. 0·8m 52° 26´·59N., 1° 44´·79E. 4·4m 52° 26´·77N., 1° 46´·61E. 1·4m 52° 25´·34N., 1° 44´·98E. 5·0m 52° 38´·01N., 1° 49´·52E. 10m 52° 38´·61N., 1° 49´·45E. 10m 52° 37´·38N., 1° 49´·42E. 30m 52° 37´·79N., 1° 49´·64E. 8·3m 52° 42´·03N., 1° 45´·80E. 13·9m 52° 41´·49N., 1° 46´·77E. 3·6m 52° 40´·73N., 1° 44´·52E. 0·8m 52° 40´·31N., 1° 44´·60E. 4·2m 52° 41´·30N., 1° 44´·88E. 1·5m 52° 37´·78N., 1° 48´·99E. Depth Position 18·7m 52° 39´·03N., 1° 49´·32E. 28·9m 52° 39´·58N., 1° 49´·46E. 9·4m 52° 39´·80N., 1° 48´·43E. 14·7m 52° 40´·54N., 1° 48´·25E. 7·0m 52° 42´·33N., 1° 43´·83E. 6·9m 52° 41´·90N., 1° 43´·88E. 4·2m 52° 41´·19N., 1° 44´·55E. 4·8m 52° 38´·01N., 1° 45´·03E. 3·6m 52° 26´·54N., 1° 47´·24E. * 8·8m 52° 41´·99N., 1° 45´·83E. * 18·9m 52° 41´·99N., 1° 46´·30E. * 8·3m 52° 41´·59N., 1° 45´·77E. * 7·4m 52° 41´·37N., 1° 46´·02E. * 4·8m 52° 41´·27N., 1° 45´·94E. * 14m 52° 41´·17N., 1° 46´·01E. * 11·8m 52° 40´·33N., 1° 45´·55E. * 14·8m 52° 40´·13N., 1° 45´·46E. Mariners are advised to navigate with caution in the area. Charts will be updated when full details are available. Former Notice 705(P)/25 is cancelled. * Indicates new or revised entry Notice 2428(P) refers Base image is from Imray chart C28 by courtesy of Imray and Meridian Chartware.
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Affects: UKHO SNC: 106, 1534, 1535 and 1543. UKHO SCC: 5614.1, 5614.2, 5614.3, 5614.4, 5614.5 and 5614.6 Imray Full Charts: C28 This is a Preliminary Notice which is part of a series of seven other Preliminary Notices published in the second part of 2024 and two earlier this year. The series has published 36 reductions of depths from Winterton Ness and Kessingland. This Notice is adding eight reductions of depth from Hemsby to the Caistor Shoal. As such the new reductions should not hinder leisure crafts but the channel is now verey ‘uneven’ (e.g. 7.4m- 4389(P), 4628(P), 4900(P), 5001(P), 5018(P), 5069(P) and 5165(P). You can access the images for those in the 2024 list.
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Week 24 |
New Editions of ADMIRALTY Charts to be published on 26th June, 2025 SN Chart 1534 - A Great Yarmouth Outer Harbour. 1:7,500 B Great Yarmouth Haven. 1:7,500 SN Chart 1535 - Lowestoft Harbour. 1:6,250 |
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Week 23 |
ENGLAND - Insert: depth, 5.9 at 52° 34´·715N., 1° 44´·702E. Delete depth, 7.6, close SW. depth, 7.1 at 52° 34´·583N., 1° 44´·819E. Delete depth, 7.8, close S. depth, 4.9, and extend 5m contour E to enclose 52° 34´·624N., 1° 43´·946E. Delete depth, 4.9, and associated 5m contour, close SE. Replace: depth, 4.4, with depth, 3.8 at 52° 34´·404N., 1° 44´·021E. Notice 2318 refers Base image is from Imray chart C28C by courtesy of Imray and Meridian Chartware.
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Affects: UKHO SNC: 1534 (INT 1558) (Panel A, Great Yarmouth Outer Harbour), 1534 (INT 1558) (Panel B, Great Yarmouth Haven), 1534 and 1535. UKHO SCC: 5614.4 (Panel B, Great Yarmouth Outer Harbour), 5614.5 (Panel B, Great Yarmouth Haven), 5614.4 (Panel A, Approaches to Great Yarmouth) and 5614.5 (Panel A, Northern Approaches to Great Yarmouth) Imray Full Charts: C28C Four revised depths at Great Yarmouth; one just inside the northern haven entrance, a second outside the southern haven mole, one revised depth in the River yare (which is good for us) and finally a slight reduction off the Spending Beach in the River Yare. Unlikely to hinder leisure craft.
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Week 18 |
New Editions of ADMIRALTY Charts to be published 15th May, 2025 SN Chart 1504 - |
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Week 13 |
ENGLAND - Submarine cable laying works are taking place between East Anglia Three Offshore Wind Farm and a site NE of Felixstowe, along a line joining the following positions: 52° 00´·02N., 1° 25´·40E. 51° 59´·62N., 1° 26´·45E. 52° 00´·39N., 1° 31´·01E. 52° 04´·18N., 1° 37´·24E. 52° 05´·33N., 1° 43´·47E. 52° 07´·88N., 1° 49´·56E. 52° 13´·38N., 2° 18´·29E. 52° 13´·70N., 2° 26´·10E. 52° 17´·77N., 2° 26´·96E. 52° 20´·82N., 2° 30´·40E. 52° 20´·88N., 2° 34´·48E. 52° 27´·14N., 2° 35´·84E. 52° 27´·62N., 2° 44´·99E. 52° 38´·93N., 2° 45´·08E. 52° 40´·24N., 2° 51´·74E. Charts will be updated when works are complete. Mariners are advised to navigate with caution in the area. Notice 1353(P) refers Base image is from UKHO SN chart 1408. © Crown Copyright and/or database rights. Reproduced by permission of The Keeper of Public Records and the UK Hydrographic Office (www.GOV.uk/UKHO).
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Affects: UKHO SNC: 1406, 1408, 1504, 1543, 1610, 1630, 1631, 2052, 2182A and 2693. UKHO SCC: 5607.5, 5614.1 and 5614.25. Imray Full Charts: C30 Imray Leisure Folios: 2110.2 This preliminary notice advertises the route for the power cable out from just NE of the Deben to the East Anglia Three Offshore Wind Farm. This is associated with the following preliminary notice of the marking of the Wind Farm perimeter. The Image illustrates the route and the location and general marking of the Wind Farm. The following notice shows the detail and characteristics of WF marking.
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Week 13 |
ENGLAND - *Construction of the East Anglia Three Offshore Wind Farm is taking place in the vicinity of position 52° 40´·24N., 2° 51´·74E. The main Wind Farm Array work area is marked by light- Buoy Type Characteristic Position West Cardinal Q(9)15s 52° 31´·81N., 2° 45´·15E. Special Mark Fl.Y.5s 52° 34´·64N., 2° 44´·90E. West Cardinal VQ(9)10s 52° 37´·47N., 2° 44´·87E. Special Mark Fl.Y.5s 52° 40´·30N., 2° 44´·85E. West Cardinal Q(9)15s 52° 43´·12N., 2° 45´·09E. Special Mark Fl.Y.5s 52° 44´·64N., 2° 47´·48E. North Cardinal Q 52° 45´·50N., 2° 50´·96E. Special Mark Fl.Y.5s 52° 45´·71N., 2° 55´·56E. North Cardinal VQ 52° 45´·92N., 3° 00´·15E. East Cardinal Q(3)10s 52° 43´·69N., 3° 00´·75E. Special Mark Fl.Y.5s 52° 40´·79N., 2° 59´·02E. East Cardinal VQ(3)5s 52° 38´·17N., 2° 56´·53E. Special Mark Fl.Y.5s 52° 35´·54N., 2° 54´·04E. East Cardinal Q(3)10s 52° 32´·92N., 2° 51´·56E. South Cardinal VQ(6)+LFl.10s 52° 31´·15N., 2° 48´·25E. All vessels should navigate with caution in the area. A safety zone of 500 metres becomes operational around the turbines under construction. *Former Notice 4802(P)/24 is cancelled. *Indicates new or revised entry Notice 1354(P) refers Base image is from Imray chart C2110.2 by courtesy of Imray and Meridian Chartware.
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Affects: UKHO SNC: 1504 *These changes will be included in a New Edition of Chart 1504 to be published mid 2025. *Charts 1408, 1631, 2182A and 5614_25 will be updated by Notice to Mariners. This preliminary notice repeats Notice 4802(P) of 2024 which announces the new buoyage marking out the construction area for the East Anglia Three Offshore Wind Farm which will commence later this year. The area is outside of the area which I monitor but I have provided images showing ‘context’ and the buoy ‘map’. While under construction 500m safety zones (aka exclusion zones) will be placed around turbines sites. The power lines are intended to come ashore about 1.4nm north of the Deben at Bawdsey. Subsequent notices will report when the buoys have been placed.
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Week 7 |
705(P)/2025 ENGLAND - Source: mv Northern Wind and Trinity House (SEP: 2025000034905 - 1. Recent survey information has shown that depths less than charted exist within the vicinity of Lowestoft and Approaches. The most significant are as follows: Depth Position 6·5m 52° 32´·32N., 1° 49´·03E. 9·4m 52° 30´·22N., 1° 49´·76E. 9·4m 52° 32´·95N., 1° 48´·69E. 9·4m 52° 32´·29N., 1° 49´·15E. 9·4m 52° 33´·63N., 1° 47´·73E. 4·4m 52° 28´·332N., 1° 45´·729E. 1·4m 52° 28´·270N., 1° 45´·681E. 1·2m 52° 27´·86N., 1° 45´·17E. 0·7m 52° 27´·74N., 1° 45´·03E. 1·4m 52° 27´·12N., 1° 44´·80E. 0·8m 52° 26´·59N., 1° 44´·79E. 4·4m 52° 26´·77N., 1° 46´·61E. 1·4m 52° 25´·34N., 1° 44´·98E. 5·0m 52° 38´·01N., 1° 49´·52E. 10m 52° 38´·61N., 1° 49´·45E. 10m 52° 37´·38N., 1° 49´·42E. 30m 52° 37´·79N., 1° 49´·64E. 8·3m 52° 42´·03N., 1° 45´·80E. 13·9m 52° 41´·49N., 1° 46´·77E. 3·6m 52° 40´·73N., 1° 44´·52E. 0·8m 52° 40´·31N., 1° 44´·60E. 4·2m 52° 41´·30N., 1° 44´·88E. 1·5m 52° 37´·78N., 1° 48´·99E. 18·7m 52° 39´·03N., 1° 49´·32E. 28·9m 52° 39´·58N., 1° 49´·46E. 9·4m 52° 39´·80N., 1° 48´·43E. 14·7m 52° 40´·54N., 1° 48´·25E. 7·0m 52° 42´·33N., 1° 43´·83E. 6·9m 52° 41´·90N., 1° 43´·88E. 4·2m 52° 41´·19N., 1° 44´·55E. 4·8m 52° 38´·01N., 1° 45´·03E. * 3·6m 52° 26´·54N., 1° 47´·24E. Mariners are advised to navigate with caution in the area. Charts will be updated when full details are available. *Former Notice 448(P)/25 is cancelled. * Indicates new or revised entry Notice 705(P) refers Base image is from Imray chart C28 by courtesy of Imray and Meridian Chartware.
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Affects: UKHO SNC: 106, 1534, 1535 and 1543. UKHO SCC: 5614.1, 5614.2, 5614.3, 5614.4, 5614.5 and 5614.6 Imray Full Charts: C28 This is a Preliminary Notice which is part of a series of seven other Preliminary Notices published in the second part of 2024 and one earlier this year. The series has published 36 reductions of depths from Winterton Ness and Kessingland. This Notice is adding four reductions of depth from Hemsby Hole to just north of Great Yarmouth. As such the new reductions should not hinder leisure craft. The notices in in 2025 is 448(P) and 2024 are: 4389(P), 4628(P), 4900(P), 5001(P), 5018(P), 5069(P) and 5165(P). You can access the images for those in the 2024 list. This notice has one reduction of depth right in the middle between the Newcome Sand PHB and the S. Holm SCB (i.e. the Stanford Channel south entrance). At 3.6m there is significant water for leisure craft but the entrance continues to reduce!
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Week 6 |
ENGLAND - Insert: depth, 4.6, and extend 5m contour NE to enclose 52° 32´·13N., 1° 48´·69E. Delete depth, 5.2, close SW. depth, 4.9, and extend 5m contour NE to enclose 52° 31´·87N., 1° 48´·99E. Delete depth, 6.1, close NE Notice 609 refers Base image is from Imray chart C28 by courtesy of Imray and Meridian Chartware.
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Affects: UKHO SNC: 1534, 1535 and 1543. UKHO SCC: 5614.3, 5614.4 (Panel A, Approaches to Great Yarmouth) and 5614.2 Imray Full Charts: C28 Two reductions of depth on the approach to the south entrance of the Holm Channel towards Great Yarmouth. Unlikely to hinder leisure craft. There were quite a few reductions of depth in the approaches to the Holm Channel and in the Corton Road during 2024, viz: NtM 1641, 2943, 3111, 4389(P) and 5473 of 2024 in the Approachs and 2873 and 3008 of 2024 in the Corton Road. You can see those images in the 2024 list on the webpage.
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Week 5 |
ENGLAND - Recent survey information has shown that depths less than charted exist within the vicinity of Lowestoft and Approaches. The most significant are as follows: Depth Position 6·5m 52° 32´·32N., 1° 49´·03E. 9·4m 52° 30´·22N., 1° 49´·76E. 9·4m 52° 32´·95N., 1° 48´·69E. 9·4m 52° 32´·29N., 1° 49´·15E. 9·4m 52° 33´·63N., 1° 47´·73E. 4·4m 52° 28´·332N., 1° 45´·729E. 1·4m 52° 28´·270N., 1° 45´·681E. 1·2m 52° 27´·86N., 1° 45´·17E. 0·7m 52° 27´·74N., 1° 45´·03E. 1·4m 52° 27´·12N., 1° 44´·80E. 0·8m 52° 26´·59N., 1° 44´·79E. 4·4m 52° 26´·77N., 1° 46´·61E. 3·8m 52° 26´·53N., 1° 47´·22E. 1·4m 52° 25´·34N., 1° 44´·98E. 5·0m 52° 38´·01N., 1° 49´·52E. 10m 52° 38´·61N., 1° 49´·45E. 10m 52° 37´·38N., 1° 49´·42E. 30m 52° 37´·79N., 1° 49´·64E. 8·3m 52° 42´·03N., 1° 45´·80E. 13·9m 52° 41´·49N., 1° 46´·77E. 3·6m 52° 40´·73N., 1° 44´·52E. 0·8m 52° 40´·31N., 1° 44´·60E. 4·2m 52° 41´·30N., 1° 44´·88E. 1·5m 52° 37´·78N., 1° 48´·99E. 18·7m 52° 39´·03N., 1° 49´·32E. 28·9m 52° 39´·58N., 1° 49´·46E. 9·4m 52° 39´·80N., 1° 48´·43E. 14·7m 52° 40´·54N., 1° 48´·25E. * 7·0m 52° 42´·33N., 1° 43´·83E. * 6·9m 52° 41´·90N., 1° 43´·88E. * 4·2m 52° 41´·19N., 1° 44´·55E. * 4·8m 52° 38´·01N., 1° 45´·03E. Mariners are advised to navigate with caution in the area. Charts will be updated when full details are available. Former Notice 5165(P)/24 is cancelled. * Indicates new or revised entry Notice 448(P) refers Base image is from Imray chart C28 by courtesy of Imray and Meridian Chartware.
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Affects: UKHO SNC: 106, 1534, 1535 and 1543. UKHO SCC: 5614.1, 5614.2, 5614.3, 5614.4, 5614.5 and 5614.6 Imray Full Charts: C28 This is a Preliminary Notice which is part of a series of seven other Preliminary Notices published in the second part of 2024. The series has published 33 reductions of depths from Winterton Ness and Kessingland. This Notice is adding four reductions of depth from Hemsby Hole to just north of Great Yarmouth. As such the new reductions should not hinder leisure craft. The notices in 2024 are: 4389(P), 4628(P), 4900(P), 5001(P), 5018(P), 5069(P) and 5165(P). You can access the images for those in the 2024 list.
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Week 5 |
EAST COAST OF ENGLAND - Latitude 52° 55.482’N., Longitude 001° 18.990’E. Amendment: The nominal range of the main light has been permanently reduced to 18 nautical miles. The light characteristic remains unaltered but with a revised composition of fl 1.0s, ec 4.0s. Trinity House Notice to Mariners 14/2023, dated 27th April 2023, is hereby cancelled. Trinity House Notice to Mariners 2 of 2025 refers
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Affects: UKHO SNC: 106, 1503 and 1504. Imray Full Charts: C28 Notice from Trinity House reported permanent changes in the light characteristic of the Cromer Lighthouse. No image considered necessary. |
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