Radio Navigation Warnings

Reference Date Time Group Description Select
2586 WZ 501/26 171135 UTC Aug 26 HEBRIDES. SOUTH UIST WESTWARDS. LIVE WEAPONS FIRINGS IN PROGRESS.

UK Coastal

WZ 501/26

171135 UTC Aug 26 

                                                HEBRIDES.
SOUTH UIST WESTWARDS.
1. LIVE WEAPONS FIRINGS IN PROGRESS DAILY BETWEEN 0700 UTC AND 1700 UTC, 18 TO 21 AUG, IN AREA WITHIN 17 MILES OF 57-24.9N 007-59.7W.
2. THIS IS AN EXTREMELY HAZARDOUS AREA AND MARINERS ARE REQUESTED TO VACATE DURING THE ABOVE PERIODS. ANY VESSEL INTENDING TO ENTER SHOULD CONTACT HEBRIDES RANGE CONTROL ON VHF CH16 OR THE OPERATIONS CONTROLLER ON TELEPHONE NUMBER +441870604554/4452 OR +447787328975 (OUT OF HOURS). MARITIME PATROL AIRCRAFT MAY BE IN OPERATION TO SUPPORT FIRINGS AND MARINERS ARE REQUESTED TO COMPLY WITH ANY INSTRUCTIONS GIVEN.
3. CANCEL THIS MSG 211800 UTC AUG 2026.
2585 NAVAREA I 173/26 170440 UTC Aug 26 RIGLIST CORRECT AT 170430 UTC AUG 2026.

NAVAREA 1

NAVAREA I 173/26

170440 UTC Aug 26 

                                                
1. RIGLIST. CORRECT AT 170430 UTC AUG 2026.

    SOUTHERN NORTH SEA: 51N TO 55N
    52-07.7N 003-56.4E VALARIS 123 ACP P18-A
NEW 52-59.1N 002-18.2E HAEVA
    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
    53-21.5N 003-59.0E NOBLE RESOLUTE ACP K12-G
    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
    54-06.2N 002-14.9E NOBLE INTREPID
NEW 54-17.4N 001-20.2E OBANA ACP KILMAR GAS FIELD
NEW 54-24.4N 002-48.9E SWIFT 10 ACP D12-B
    54-34.2N 002-17.6E VALARIS NORWAY ACP CYGNUS GAS FIELD

    NORTH SEA: 55N TO 60N, EAST OF 5W
    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 58-46.1N 002-45.7E 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
    61-03.8N 003-42.3W DEEPSEA ATLANTIC
    61-05.8N 002-16.4E ASKELADDEN
    61-15.5N 003-00.8E DEEPSEA YANTAI
    61-16.5N 002-07.1E COSL PROMOTER
    61-34.1N 001-15.7E WELL SAFE DEFENDER
NEW 61-37.6N 001-30.7E STENA DON
    61-38.5N 004-08.5E SCARABEO 8
    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 169/26.
2584 NAVAREA I 172/26 162218 UTC Aug 26 GMDSS. ENGLAND AND SCOTLAND EAST COAST. CULLERCOATS AND GREGNESS SITES, OFF AIR.

NAVAREA 1

NAVAREA I 172/26

162218 UTC Aug 26 

                                                GMDSS.
ENGLAND AND SCOTLAND EAST COAST.
1. MF R/T AND DSC SERVICES FROM CULLERCOATS SITE 55-04.4N 001-27.8W OFF AIR.
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 161/26.
2583 WZ 500/26 161800 UTC Aug 26 DOVER. GOODWIN SANDS EASTWARDS. EAST GOODWIN LIGHT VESSEL PERMANENTLY DISCONTINUED.

UK Coastal

WZ 500/26

161800 UTC Aug 26 

                                                DOVER.
GOODWIN SANDS EASTWARDS.
EAST GOODWIN LIGHT VESSEL 51-13.3N 001-36.4E PERMANENTLY DISCONTINUED.
2582 NAVAREA I 171/26 151352 UTC Aug 26 NORTH SEA. FRIGG FIELD. SEISMIC SURVEY BY RSV AMAZON CONQUEROR.

NAVAREA 1

NAVAREA I 171/26

151352 UTC Aug 26 

                                                NORTH SEA.
FRIGG FIELD.
1. SEISMIC SURVEY IN PROGRESS BY RSV AMAZON CONQUEROR TOWING 8 X 1 MILE LONG CABLES IN AREA BOUND BY 60-00.9N 001-57.8E, 60-01.7N 002-13.3E, 59-48.7N 002-15.8E, 59-47.2N 001-55.9E.
TWO MILE BERTH REQUESTED.
M/V AMBER G AND M/V SHEMERAH II IN ATTENDANCE.
2. CANCEL NAVAREA I 160/26.
2581 NAVAREA I 170/26 141007 UTC Aug 26 NAVAREA I WARNINGS IN FORCE AT 141000 UTC AUG 2026

NAVAREA 1

NAVAREA I 170/26

141007 UTC Aug 26 

                                                1. NAVAREA I WARNINGS IN FORCE AT 141000 UTC AUG 2026:

2026 SERIES: 61, 133, 160, 161, 163, 167, 169, 170.

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 (133/26 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 165/26.
2579 WZ 493/26 121022 UTC Aug 26 CROMARTY. KINCARDINE FLOATING OFFSHORE WIND FARM. TURBINE FOG SIGNALS INOPERATIVE.

UK Coastal

WZ 493/26

121022 UTC Aug 26 

                                                CROMARTY.
KINCARDINE FLOATING OFFSHORE WIND FARM.
1. TURBINE FOG SIGNALS INOPERATIVE:
A. KIN-04, 57-01.1N 001-51.3W.
B. KIN-05, 57-00.6N 001-50.9W.
2. CANCEL WZ 490/26.
2575 WZ 487/26 100847 UTC Aug 26 HUMBER. LINCS WIND FARM. TURBINE LS52 UNLIT.

UK Coastal

WZ 487/26

100847 UTC Aug 26 

                                                HUMBER.
LINCS WIND FARM.
1. TURBINE LS52, 53-14.8N 000-30.0E, UNLIT.
2. CANCEL WZ 412/26.
2572 WZ 484/26 082015 UTC Aug 26 HUMBER. HORNSEA 1 OFFSHORE WIND FARM. TURBINE FOG SIGNALS INOPERATIVE.

UK Coastal

WZ 484/26

082015 UTC Aug 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 411/26.
2568 NAVAREA I 167/26 080503 UTC Aug 26 GMDSS. SCOTLAND, WEST COAST. MF DSC SERVICE FROM TIREE SITE OFF AIR

NAVAREA 1

NAVAREA I 167/26

080503 UTC Aug 26 

                                                GMDSS.
SCOTLAND, WEST COAST.
MF DSC SERVICE FROM TIREE SITE 56-30.2N 006-57.8W OFF AIR.
2563 WZ 476/26 061122 UTC Aug 26 THAMES. SANDETTIE WEST BUOY MISSING.

UK Coastal

WZ 476/26

061122 UTC Aug 26 

                                                THAMES.
SANDETTIE WEST BUOY 51-15.1N 001-54.5E MISSING.
2562 WZ 474/26 052117 UTC Aug 26 FAIR ISLE. WESTRAY. NOUP HEAD LIGHT UNRELIABLE.

UK Coastal

WZ 474/26

052117 UTC Aug 26 

                                                FAIR ISLE.
WESTRAY.
NOUP HEAD LIGHT 59-19.9N 003-04.2W RANGE TEMPORARILY REDUCED TO 12 MILES.
2561 WZ 473/26 041521 UTC Aug 26 IRISH SEA. WALNEY EXTENSION WIND FARM. TURBINE A01 UNLIT.

UK Coastal

WZ 473/26

041521 UTC Aug 26 

                                                IRISH SEA.
WALNEY EXTENSION WIND FARM.
1. TURBINE A01, 54-06.8N 003-55.0W, UNLIT.  
2. CANCEL WZ 398/26.
2560 WZ 471/26 032003 UTC Aug 26 FORTH. NEART NA GAOITHE WIND FARM. NNG E BUOY AND NNG S BUOY AIS INOPERATIVE.

UK Coastal

WZ 471/26

032003 UTC Aug 26 

                                                FORTH.
NEART NA GAOITHE WIND FARM.
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 396/26.
2559 NAVAREA I 163/26 031343 UTC Aug 26 NORTH SEA. THE PATCH NORTHWESTWARDS. SEISMIC SURVEY IN PROGRESS BY M/V RAMFORM HYPERION.

NAVAREA 1

NAVAREA I 163/26

031343 UTC Aug 26 

                                                NORTH SEA.
THE PATCH NORTHWESTWARDS.
1. SEISMIC SURVEY IN PROGRESS BY M/V RAMFORM HYPERION TOWING 10 X 1.7 MILE LONG CABLES IN AREA BOUND BY 59-28.0N 001-50.4E, 59-42.6N 002-15.7E, 59-29.0N 003-02.7E, 58-51.8N 002-21.7E, 58-59.0N 001-52.8E.         
WIDE BERTH OF 3 MILES REQUESTED.
M/V THOR MAGNI AND M/V 7 STARS IN ATTENDANCE. 
2. CANCEL NAVAREA I 158/26.
2557 WZ 469/26 022108 UTC Aug 26 HUMBER. INNER BANK. PLATFORM SOUTHWARK UNLIT AND ALL NAVAIDS INOPERATIVE.

UK Coastal

WZ 469/26

022108 UTC Aug 26 

                                                HUMBER.
INNER BANK.
PLATFORM SOUTHWARK 53-11.0N 002-05.8E UNLIT AND ALL NAVAIDS INOPERATIVE.
2551 WZ 466/26 280122 UTC Jul 26 HUMBER. MID HAISBRO BUOY UNLIT.

UK Coastal

WZ 466/26

280122 UTC Jul 26 

                                                HUMBER.
MID HAISBRO BUOY 52-54.2N 001-41.6E UNLIT.
2550 WZ 465/26 271650 UTC Jul 26 PLYMOUTH. FOWEY LIGHT UNRELIABLE.

UK Coastal

WZ 465/26

271650 UTC Jul 26 

                                                PLYMOUTH.
FOWEY LIGHT 50-19.6N 004-38.9W UNRELIABLE.
2544 WZ 462/26 250532 UTC Jul 26 HUMBER. LEMAN GAS FIELD. PLATFORM UNLIT AND ALL NAVAIDS INOPERATIVE.

UK Coastal

WZ 462/26

250532 UTC Jul 26 

                                                HUMBER.
LEMAN GAS FIELD.
1. PLATFORM 49/27-ED 53-03.6N 002-12.6E UNLIT AND ALL NAVAIDS INOPERATIVE.
2. CANCEL WZ 376/26.
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.
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.
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.
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.
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.