tillergirl
Active member
UKHO Permanent/Temporary/Preliminary Notices:
1. Week 25 - NETHERLANDS - Buoy. - A temporary notice announcing a new lit north cardinal buoy off Nieuwe Sluis east of the approaches to Breskens.
Week 24 et seq.
2. New Editions of ADMIRALTY Charts to be published on 26th June, 2025 - SN Chart 1534 - International Chart Series, England - East Coast, Great Yarmouth and Approaches. 1:25,000; A Great Yarmouth Outer Harbour. 1:7,500; B Great Yarmouth Haven. 1:7,500
SN Chart 1535 - International Chart Series, England - East Coast, Lowestoft and Approaches. 1:25,000; Lowestoft Harbour. 1:6,250
3. ENGLAND - East Coast - Depths. - One slight reduction of depth in the entrance of the Yantlet Channel, River Thames, just east of Sea Reach No 1. Unlikely to hinder leisure craft.
4. ENGLAND - Thames Estuary - Depths. Drying height. - Four reductions of depth, two close east of the Alice danger buoy (but unlikely to hinder leisure craft), one just south the SW Barrow west cardinal buoy and a new drying height on the tail of the SW Barrow sand. Do not cut across the tail of the SW Barrow without being aware of the height of tide.
5. ENGLAND - East Coast - Depths. - 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- 4.8m-14m). The notices in in 2025 is 448(P) and 705(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.
Local
1. River Thames - Halfway Reach - Dredging Operations - on or about Tuesday 10th June contractors will commence dredging operations at White Mountain Jetty, Dagenham. Works are expected to take no longer than 6 days. The general location of the works is indicated by the red box on the chartlet.
Operations will be carried out by vessel “Emilia D” using the plough dredging method and will be undertaken either side of the HW period. Any requirements to proceed with caution or at slow speed, will be made in accordance with the procedures set out in the Port of London Authority’s Port Information Guide, under ‘London VTS’, ‘Section 4’ with the International Code Flags ‘Romeo Yankee’ displayed. The display of these signals will be in addition to any lights or shapes required under local regulations and the International Regulations for Preventing Collisions at Sea. Further details will be broadcast by London VTS on VHF Channel 14.
2. River Thames - Sea Reach - Calor Gas - Diving Operations - on Monday 9th June 2025, and for a period of five days, diving operations will take place at Calor Gas Jetty on Canvey Island as shown on the chartlet. Workboat ‘ASSASSIN’ will be in attendance and will be displaying the following signals while diving is taking place:
By day, International Code Flags ‘Romeo Yankee (RY)’, ‘Alpha (A)’ and a red flag near the diver’s point
of entry into the water.
By night, illuminated rigid replicas of the International Code Flags ‘Romeo Yankee (RY)’ and ‘Alpha
(A)’.
Any requirements to proceed with caution or at slow speed, will be made in accordance with the procedures set out in the Port of London Authority’s Port Information Guide, under ‘London VTS’, ‘Section 4’ with the International Code Flags ‘Romeo Yankee’ displayed,
3. Harwich Haven - Works on Trinity House Pier – Update 3 - maintenance works on Trinity House Pier will now continue until 11 July 2025. A pontoon platform will be working around and underneath the pier during ebb tides in daylight hours, mariners are requested to pass a slow speeds.
4. Harwich Haven - Dredging Operations - Barney - are taking place as follows:
➢ Barney (IMO 9740938) is dredging in Harwich Harbour, Felixstowe, the River Stour and the Harwich Deep Water Channel until around 11 June 2025.
This local Notice to Mariners replaces No. 50 of 2025, which is now withdrawn. For more information contact Harwich VTS on VHF Channel 71.
That's it. Find the chartlets at Notices to Mariners
1. Week 25 - NETHERLANDS - Buoy. - A temporary notice announcing a new lit north cardinal buoy off Nieuwe Sluis east of the approaches to Breskens.
Week 24 et seq.
2. New Editions of ADMIRALTY Charts to be published on 26th June, 2025 - SN Chart 1534 - International Chart Series, England - East Coast, Great Yarmouth and Approaches. 1:25,000; A Great Yarmouth Outer Harbour. 1:7,500; B Great Yarmouth Haven. 1:7,500
SN Chart 1535 - International Chart Series, England - East Coast, Lowestoft and Approaches. 1:25,000; Lowestoft Harbour. 1:6,250
3. ENGLAND - East Coast - Depths. - One slight reduction of depth in the entrance of the Yantlet Channel, River Thames, just east of Sea Reach No 1. Unlikely to hinder leisure craft.
4. ENGLAND - Thames Estuary - Depths. Drying height. - Four reductions of depth, two close east of the Alice danger buoy (but unlikely to hinder leisure craft), one just south the SW Barrow west cardinal buoy and a new drying height on the tail of the SW Barrow sand. Do not cut across the tail of the SW Barrow without being aware of the height of tide.
5. ENGLAND - East Coast - Depths. - 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- 4.8m-14m). The notices in in 2025 is 448(P) and 705(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.
Local
1. River Thames - Halfway Reach - Dredging Operations - on or about Tuesday 10th June contractors will commence dredging operations at White Mountain Jetty, Dagenham. Works are expected to take no longer than 6 days. The general location of the works is indicated by the red box on the chartlet.
Operations will be carried out by vessel “Emilia D” using the plough dredging method and will be undertaken either side of the HW period. Any requirements to proceed with caution or at slow speed, will be made in accordance with the procedures set out in the Port of London Authority’s Port Information Guide, under ‘London VTS’, ‘Section 4’ with the International Code Flags ‘Romeo Yankee’ displayed. The display of these signals will be in addition to any lights or shapes required under local regulations and the International Regulations for Preventing Collisions at Sea. Further details will be broadcast by London VTS on VHF Channel 14.
2. River Thames - Sea Reach - Calor Gas - Diving Operations - on Monday 9th June 2025, and for a period of five days, diving operations will take place at Calor Gas Jetty on Canvey Island as shown on the chartlet. Workboat ‘ASSASSIN’ will be in attendance and will be displaying the following signals while diving is taking place:
By day, International Code Flags ‘Romeo Yankee (RY)’, ‘Alpha (A)’ and a red flag near the diver’s point
of entry into the water.
By night, illuminated rigid replicas of the International Code Flags ‘Romeo Yankee (RY)’ and ‘Alpha
(A)’.
Any requirements to proceed with caution or at slow speed, will be made in accordance with the procedures set out in the Port of London Authority’s Port Information Guide, under ‘London VTS’, ‘Section 4’ with the International Code Flags ‘Romeo Yankee’ displayed,
3. Harwich Haven - Works on Trinity House Pier – Update 3 - maintenance works on Trinity House Pier will now continue until 11 July 2025. A pontoon platform will be working around and underneath the pier during ebb tides in daylight hours, mariners are requested to pass a slow speeds.
4. Harwich Haven - Dredging Operations - Barney - are taking place as follows:
➢ Barney (IMO 9740938) is dredging in Harwich Harbour, Felixstowe, the River Stour and the Harwich Deep Water Channel until around 11 June 2025.
This local Notice to Mariners replaces No. 50 of 2025, which is now withdrawn. For more information contact Harwich VTS on VHF Channel 71.
That's it. Find the chartlets at Notices to Mariners
