Radio Navigation Warnings

Reference Date Time Group Description Select
2542 NAVAREA I 150/26 241007 UTC Jul 26 NAVAREA I WARNINGS IN FORCE AT 241000 UTC JUL 2026

NAVAREA 1

NAVAREA I 150/26

241007 UTC Jul 26 

                                                1. NAVAREA I WARNINGS IN FORCE AT 241000 UTC JUL 2026:

2026 SERIES: 61, 119, 130, 133, 134, 147, 150.

NOTES:
A. TEXTS OF NAVAREA I WARNINGS ISSUED EACH WEEK ARE PUBLISHED IN WEEKLY EDITIONS OF THE ADMIRALTY NOTICES TO MARINERS BULLETIN (ANMB).
B. NAVAREA I WARNINGS LESS THAN 42 DAYS OLD (119/26 ONWARD) ARE PROMULGATED VIA ENHANCED GROUP CALL (EGC) AND/OR RELEVANT NAVTEX TRANSMITTERS.
C. THE COMPLETE TEXTS OF ALL IN-FORCE NAVAREA I WARNINGS, INCLUDING THOSE WHICH ARE NO LONGER BEING BROADCAST, ARE REPRINTED IN SECTION III OF ANMB IN WEEKS 1, 13, 26 AND 39 AND ARE ALSO AVAILABLE FROM THE UKHO WEBSITE AT: HTTPS://MSI.ADMIRALTY.CO.UK/RADIONAVIGATIONALWARNINGS.
ALTERNATIVELY, THESE MAY BE REQUESTED BY E-MAIL FROM NAVAREA I CO-ORDINATOR AT: NAVWARNINGS@UKHO.GOV.UK

2. CANCEL NAVAREA I 145/26.
2541 WZ 459/26 240505 UTC Jul 26 DOGGER. SOFIA OFFSHORE WIND FARM. N1 AND E5 BUOYS UNLIT.

UK Coastal

WZ 459/26

240505 UTC Jul 26 

                                                DOGGER.
SOFIA OFFSHORE WIND FARM.
1. BUOYS UNLIT:
A. N1 55-08.1N 002-09.5E.
B. E5 54-51.5N 002-20.7E.
2. CANCEL WZ 374/26.
2540 WZ 458/26 231708 UTC Jul 26 HUMBER. INNER BANK. PLATFORM SOUTHWARK UNLIT AND ALL NAVAIDS INOPERATIVE.

UK Coastal

WZ 458/26

231708 UTC Jul 26 

                                                HUMBER.
INNER BANK.
PLATFORM SOUTHWARK 53-11.0N 002-05.8E UNLIT AND ALL NAVAIDS INOPERATIVE.
2539 WZ 456/26 230825 UTC Jul 26 IRISH SEA. WALNEY EXTENSION WIND FARM. SOUTH CARDINAL BUOY MISSING.

UK Coastal

WZ 456/26

230825 UTC Jul 26 

                                                IRISH SEA.
WALNEY EXTENSION WIND FARM.
1. SOUTH CARDINAL BUOY 54-04.9N 003-48.4W MISSING.  
2. CANCEL WZ 448/26.
2538 WZ 455/26 221806 UTC Jul 26 FORTIES. BRITANNIA GAS FIELD. PLATFORM 16/26, AIS INOPERATIVE.

UK Coastal

WZ 455/26

221806 UTC Jul 26 

                                                FORTIES.
BRITANNIA GAS FIELD.
PLATFORM 16/26, 58-02.9N 001-08.3E, AIS INOPERATIVE.
2537 WZ 453/26 211535 UTC Jul 26 LUNDY. SAINT IVES NORTHWESTWARDS. WAVE HUB NW BUOY AIS INOPERATIVE.

UK Coastal

WZ 453/26

211535 UTC Jul 26 

                                                LUNDY.
SAINT IVES NORTHWESTWARDS.
WAVE HUB NW BUOY 50-23.1N 005-38.2W AIS INOPERATIVE.
2536 WZ 452/26 211206 UTC Jul 26 HUMBER. SPURN HEAD EASTWARDS. INTERMITTENT X-BAND RADAR JAMMING EXERCISES.

UK Coastal

WZ 452/26

211206 UTC Jul 26 

                                                HUMBER.
SPURN HEAD EASTWARDS.
1. INTERMITTENT X-BAND RADAR JAMMING EXERCISES IN PROGRESS DAILY FROM 0900 TO 1000 UTC, 22, 24, 29 AND 31 JUL, IN AREA BOUND BY 53-43N 000-17W, 53-51N 000-52E, 53-42N 001-00E, 53-20N 000-16E.
2. MARINERS MAY CONTACT MRCC HUMBER ON VHF 16 OR +441262 672317 FOR ADVICE OR CESSATION OF JAMMING.
3. CANCEL THIS MSG 311100 UTC JUL 2026.
2533 NAVAREA I 147/26 200447 UTC Jul 26 RIGLIST CORRECT AT 200430 UTC JUL 2026.

NAVAREA 1

NAVAREA I 147/26

200447 UTC Jul 26 

                                                
1. RIGLIST. CORRECT AT 200430 UTC JUL 2026.

    SOUTHERN NORTH SEA: 51N TO 55N
    52-07.7N 003-56.4E VALARIS 123 ACP P18-A
    53-03.7N 003-32.3E SHELF DRILLING WINNER ACP K17-FA-1
    53-07.1N 002-06.3E ENSCO 92 ACP LEMAN GAS FIELD
    53-19.8N 004-49.9E ERDA ACP L15-FA1
    53-21.5N 003-59.0E NOBLE RESOLUTE ACP K12-G
NEW 53-33.0N 004-43.8E TRITON 10 (EX NOBLE REACHER) ACP L9-FA-1
    53-41.1N 006-21.6E PROSPECTOR 1 ACP N05-A
    53-54.0N 000-33.1E HAEVA
    54-06.2N 002-14.9E NOBLE INTREPID
    54-34.2N 002-17.6E VALARIS NORWAY ACP CYGNUS GAS FIELD

    NORTH SEA: 55N TO 60N, EAST OF 5W
NEW 55-48.2N 003-59.4E SWIFT 10
    56-16.5N 003-23.9E NOBLE INVINCIBLE ACP VALHALL OIL FIELD
    56-32.9N 003-12.8E LINUS ACP EKOFISK COMPLEX
    56-54.0N 002-22.8E VALARIS 122 ACP 30/02-WHPA
    57-00.8N 001-50.4E VALARIS STAVANGER ACP ELGIN GAS FIELD
    57-01.9N 001-57.3E VALARIS 121 ACP SHEARWATER OIL FIELD
    57-22.5N 001-59.8E NOBLE INNOVATOR ACP MUNGO OIL FIELD
    57-48.9N 004-32.0E MAERSK INSPIRER ACP YME OIL FIELD
    57-54.2N 000-01.9E WELL SAFE GUARDIAN
    58-18.0N 001-42.4W PAUL B LOYD JR
NEW NAVAREA III        MAGNIACUS
    58-29.8N 001-43.3E COSL PROMOTER
    58-38.1N 001-57.1E SCARABEO 8
    58-48.4N 002-42.6E DEEPSEA BERGEN (EX BOLLSTA)
    58-50.6N 001-44.6E SHELF DRILLING BARSK ACP GUDRUN
    58-58.2N 002-16.9E DEEPSEA NORDKAPP
    59-13.9N 002-33.3E DEEPSEA ABERDEEN
    59-15.6N 002-30.9E COSL PIONEER
    59-20.5N 002-13.4E COSL INNOVATOR
    59-39.7N 002-34.2E WEST ELARA
    59-52.3N 002-34.0E NOBLE INTEGRATOR ACP HUGIN A

    NORWEGIAN SEA: 60N TO 65N, EAST OF 5W
    60-06.7N 002-35.5E DEEPSEA STAVANGER ACP MUNIN
    60-30.4N 002-02.5E ASKEPOTT
    61-02.0N 001-07.7E NOBLE PATRIOT
NEW 61-03.8N 003-42.3W DEEPSEA ATLANTIC
    61-05.8N 002-16.4E ASKELADDEN
    61-15.5N 003-00.8E DEEPSEA YANTAI
    61-33.9N 001-36.3E STENA DON
    61-34.1N 001-15.7E WELL SAFE DEFENDER
    64-01.8N 006-45.0E COSL PROSPECTOR
    64-52.8N 006-26.0E TRANSOCEAN SPITSBERGEN

    SOUTH AND WEST OF GREAT BRITAIN
    53-32.2N 003-34.5W SEAFOX 7 ACP DOUGLAS OIL FIELD
    53-34.0N 003-27.2W VALARIS 72 (EX ENSCO) ACP HAMILTON GAS FIELD
    53-38.9N 003-28.6W VALARIS 120 ACP HAMILTON NORTH GAS FIELD

NOTES:
A. RIGS ARE PROTECTED BY A 500 METRE SAFETY ZONE.
B. ACP - ADJACENT TO CHARTED PLATFORM.
C. FOR RIGS LOCATED NORTH OF 65N, EAST OF 5W, REFER TO NAVAREA XIX WARNINGS OR VISIT WWW.NAVAREA-XIX.NO

2. CANCEL NAVAREA I 142/26.
2526 WZ 442/26 161013 UTC Jul 26 PLYMOUTH. MOUNTS BAY. ABANDONED FISHING GEAR REPORTED

UK Coastal

WZ 442/26

161013 UTC Jul 26 

                                                PLYMOUTH.
MOUNTS BAY.
ABANDONED FISHING GEAR REPORTED IN AREA WITHIN 350 METRES OF 50-05.8N 005-30.9W.
2520 WZ 436/26 120750 UTC Jul 26 THAMES. EAST ANGLIA ONE WIND FARM. TURBINE G27 FOG SIGNAL INOPERATIVE.

UK Coastal

WZ 436/26

120750 UTC Jul 26 

                                                THAMES.
EAST ANGLIA ONE WIND FARM.
1. TURBINE G27, 52-19.8N 002-33.5E, FOG SIGNAL INOPERATIVE.
2. CANCEL WZ 343/26.
2507 WZ 421/26 041340 UTC Jul 26 CROMARTY. HYWIND FLOATING WIND FARM. TURBINE HS2 FOG SIGNAL INOPERATIVE.

UK Coastal

WZ 421/26

041340 UTC Jul 26 

                                                CROMARTY.
HYWIND FLOATING WIND FARM.
1. TURBINE HS2, 57-29.4N 001-21.1W, FOG SIGNAL INOPERATIVE.
2. CANCEL WZ 328/26.
2506 NAVAREA I 134/26 040916 UTC Jul 26 NORTH SEA. BRESSAY SHOAL. SEISMIC SURVEY IN PROGRESS BY RSV AMAZON CONQUEROR.

NAVAREA 1

NAVAREA I 134/26

040916 UTC Jul 26 

                                                NORTH SEA.
BRESSAY SHOAL.
SEISMIC SURVEY IN PROGRESS BY M/V AMAZON CONQUEROR TOWING 8 X 3700 METRE LONG CABLES IN AREA BOUND BY 59-57.6N 000-51.7E, 59-38.9N 001-51.6E, 59-11.2N 001-17.8E, 59-29.6N 000-18.4E.
WIDE BERTH 2 MILES AHEAD AND ABEAM AND 4 MILES ASTERN REQUESTED.
2503 NAVAREA I 133/26 031448 UTC Jul 26 NORTH SEA. GULLFAKS OIL FIELD. SEISMIC SURVEY IN PROGRESS BY RSV RAMFORM ATLAS.

NAVAREA 1

NAVAREA I 133/26

031448 UTC Jul 26 

                                                NORTH SEA.
GULLFAKS OIL FIELD.
SEISMIC SURVEY IN PROGRESS BY RSV RAMFORM ATLAS TOWING 17 X 3600 METRE LONG CABLES IN AREA BOUND BY 61-18.3N 001-48.0E, 61-18.2N 002-46.8E, 60-57.7N 002-42.7E, 60-57.7N 001-52.3E. 
ONE MILE BERTH AHEAD AND ABEAM AND 3 MILES ASTERN REQUESTED. 
VESSELS M/V THOR FRIGG AND M/V THOR OMEGA IN ATTENDANCE.
2499 WZ 413/26 301505 UTC Jun 26 PORTLAND. WEYMOUTH ROAD EASTWARDS. SUBSURFACE EXERCISE MINES ESTABLISHED.

UK Coastal

WZ 413/26

301505 UTC Jun 26 

                                                PORTLAND.
WEYMOUTH ROAD EASTWARDS.
SUBSURFACE EXERCISE MINES ESTABLISHED IN:
A) 50-37.0N 002-23.5W.
B) 50-36.9N 002-23.7W.
C) 50-36.8N 002-23.8W.
2498 NAVAREA I 130/26 291627 UTC Jun 26 GMDSS. ENGLAND AND SCOTLAND EAST COAST, INCLUDING THE ENGLISH CHANNEL AND THE NORTH SEA. VHF AND MF R/T AND DSC SERVICES OFF AIR.

NAVAREA 1

NAVAREA I 130/26

291627 UTC Jun 26 

                                                GMDSS.
ENGLAND AND SCOTLAND EAST COAST, INCLUDING THE ENGLISH CHANNEL AND THE NORTH SEA.
1. MF R/T AND DSC SERVICES OFF AIR FROM SITES:
A. BAWDSEY 51-59.6N 001-24.5E.
B. CULLERCOATS 55-04.4N 001-27.8W.
2. VHF DSC AND MF R/T AND DSC SERVICES FROM GREGNESS SITE 57-07.7N 002-03.2W OFF AIR.
3. CANCEL NAVAREA I 128/26.
2497 WZ 412/26 291109 UTC Jun 26 HUMBER. LINCS WIND FARM. TURBINE LS52 UNLIT.

UK Coastal

WZ 412/26

291109 UTC Jun 26 

                                                HUMBER.
LINCS WIND FARM.
TURBINE LS52, 53-14.8N 000-30.0E, UNLIT.
2495 WZ 411/26 280435 UTC Jun 26 HUMBER. HORNSEA 1 OFFSHORE WIND FARM. TURBINE FOG SIGNALS INOPERATIVE.

UK Coastal

WZ 411/26

280435 UTC Jun 26 

                                                HUMBER.
HORNSEA 1 OFFSHORE WIND FARM.
1. TURBINE FOG SIGNALS INOPERATIVE:
A. A21 53-50.1N 001-52.4E.
B. A26 53-50.1N 001-45.9E.
2. CANCEL WZ 395/26.
2494 WZ 409/26 280307 UTC Jun 26 CROMARTY. KINCARDINE OFFSHORE WIND FARM. TURBINE FOG SIGNALS INOPERATIVE.

UK Coastal

WZ 409/26

280307 UTC Jun 26 

                                                CROMARTY.
KINCARDINE OFFSHORE WIND FARM.
TURBINE FOG SIGNALS INOPERATIVE:
A. KIN-01, 57-00.3N 001-52.9W.
B. KIN-02, 56-59.8N 001-52.4W.
C. KIN-04, 57-01.1N 001-51.3W.
D. KIN-05, 57-00.6N 001-50.9W.
2487 WZ 398/26 231423 UTC Jun 26 IRISH SEA. WALNEY EXTENSION WIND FARM. TURBINE A01 UNLIT.

UK Coastal

WZ 398/26

231423 UTC Jun 26 

                                                IRISH SEA.
WALNEY EXTENSION WIND FARM.
TURBINE A01, 54-06.8N 003-55.0W, UNLIT.
2485 WZ 396/26 230922 UTC Jun 26 FORTH. NEART NA GAOITHE WINDFARM. NEART NA GAOITHE BUOY AIS OUTAGES.

UK Coastal

WZ 396/26

230922 UTC Jun 26 

                                                FORTH.
NEART NA GAOITHE WINDFARM.
1. NNG E BUOY 56-14.3N 002-08.6W AND NNG S BUOY 56-12.3N 002-09.8W AIS INOPERATIVE.
2. CANCEL WZ 316/26.
2477 NAVAREA I 119/26 181129 UTC Jun 26 GMDSS. SCOTLAND WEST COAST AND NORTH COAST. MF R/T AND DSC SERVICES OFF AIR.

NAVAREA 1

NAVAREA I 119/26

181129 UTC Jun 26 

                                                GMDSS.
SCOTLAND WEST COAST AND NORTH COAST.
1. MF R/T AND DSC SERVICES FROM BUTT OF LEWIS SITE 58-27.7N 006-13.9W OFF AIR.
2. MF DSC SERVICES FROM TIREE SITE 56-30.2N 006-57.8W OFF AIR.
3. CANCEL NAVAREA I 118/26.
2466 WZ 376/26 130741 UTC Jun 26 HUMBER. LEMAN GAS FIELD. PLATFORM UNLIT AND ALL NAVAIDS INOPERATIVE.

UK Coastal

WZ 376/26

130741 UTC Jun 26 

                                                HUMBER.
LEMAN GAS FIELD.
1. PLATFORM 49/27-ED 53-03.6N 002-12.6E UNLIT AND ALL NAVAIDS INOPERATIVE.
2. CANCEL WZ 300/26.
2339 NAVAREA I 61/26 231605 UTC Mar 26 WESTERN APPROACHES TO UNITED KINGDOM AND IRELAND. PORCUPINE ABYSSAL PLAIN. PAP ODAS BUOY MOVED.

NAVAREA 1

NAVAREA I 61/26

231605 UTC Mar 26 

                                                WESTERN APPROACHES TO UNITED KINGDOM AND IRELAND.
PORCUPINE ABYSSAL PLAIN.
CHART GB 4102 (INT 102).
1. PAP ODAS BUOY 49-00.0N 016-21.9W MOVED TO 48-56.3N 016-22.5W.
2. CANCEL NAVAREA I 59/26.