Radio Navigation Warnings

Reference Date Time Group Description Select
1914 WZ 443/25 052230 UTC Jul 25 FAIR ISLE. MUCKLE FLUGGA LIGHT UNLIT.

UK Coastal

WZ 443/25

052230 UTC Jul 25 

                                                FAIR ISLE. 
MUCKLE FLUGGA LIGHT 60-51.3N 000-53.1W UNLIT.
1913 WZ 442/25 051200 UTC Jul 25 VIKING. BERYL OIL FIELD. PLATFORM 9/13A-SPM2 FOG SIGNAL INOPERATIVE.

UK Coastal

WZ 442/25

051200 UTC Jul 25 

                                                VIKING. BERYL OIL FIELD. 
1. PLATFORM 9/13A-SPM2, 59-33.2N 001-33.7E, FOG SIGNAL INOPERATIVE.
2. CANCEL WZ 350/25.
1912 WZ 411/25 050010 UTC Jul 25 THAMES. COPPERAS BUOY UNLIT.

UK Coastal

WZ 411/25

050010 UTC Jul 25 

                                                THAMES.
COPPERAS BUOY 51-23.8N 001-11.2E UNLIT.
1911 NAVAREA I 160/25 041438 UTC Jul 25 NORTH ATLANTIC. FARADAY FRACTURE ZONE. DERELICT 16 METRE S/V HIGH NOTE ADRIFT.

NAVAREA 1

NAVAREA I 160/25

041438 UTC Jul 25 

                                                NORTH ATLANTIC.
FARADAY FRACTURE ZONE.
1. DERELICT 16 METRE S/V HIGH NOTE ADRIFT IN VICINITY 49-01N 029-47W AT 031931 UTC JUL.
2. CANCEL THIS MSG 061931 UTC JUL 2025.
1910 NAVAREA I 159/25 041001 UTC Jul 25 NAVAREA I WARNINGS IN FORCE AT 041000 UTC JUL 2025.

NAVAREA 1

NAVAREA I 159/25

041001 UTC Jul 25 

                                                1. NAVAREA I WARNINGS IN FORCE AT 041000 UTC JUL 2025:

2025 SERIES: 119, 133, 143, 153, 155, 156, 157, 159.

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 (133/25 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 154/25.
1909 WZ 439/25 040918 UTC Jul 25 FORTIES. MARNOCK OIL FIELD. PLATFORM 22/24A AIS INOPERATIVE.

UK Coastal

WZ 439/25

040918 UTC Jul 25 

                                                FORTIES.
MARNOCK OIL FIELD.
PLATFORM 22/24A 57-17.6N 001-39.7E AIS INOPERATIVE.
1908 WZ 437/25 031555 UTC Jul 25 GMDSS. MRCC SHETLAND. MF R/T AND DSC SERVICES FROM LERWICK SITE UNSTABLE.

UK Coastal

WZ 437/25

031555 UTC Jul 25 

                                                GMDSS. 
MRCC SHETLAND.
MF R/T AND DSC SERVICES FROM LERWICK SITE 60-08.9N 001-08.4W UNSTABLE.
1907 WZ 433/25 030952 UTC Jul 25 GMDSS. MRCC STORNOWAY. VHF R/T AND DSC SERVICES FROM BUTT OF LEWIS SITE OFF AIR.

UK Coastal

WZ 433/25

030952 UTC Jul 25 

                                                GMDSS. 
MRCC STORNOWAY.
VHF R/T AND DSC SERVICES FROM BUTT OF LEWIS SITE 58-27.7N 006-13.9W OFF AIR.
1906 WZ 431/25 030612 UTC Jul 25 THAMES. NE CROSS SAND BUOY AIS INOPERATIVE.

UK Coastal

WZ 431/25

030612 UTC Jul 25 

                                                THAMES.
NE CROSS SAND BUOY 52-44.2N 001-53.8E AIS INOPERATIVE.
1905 WZ 430/25 030320 UTC Jul 25 PORTLAND. LA CORBIERE LIGHT UNLIT.

UK Coastal

WZ 430/25

030320 UTC Jul 25 

                                                PORTLAND.
LA CORBIERE LIGHT 49-10.8N 002-15.0W UNLIT.
1904 NAVAREA I 157/25 021235 UTC Jul 25 SOUTHERN, SOUTHEASTERN, CENTRAL AND NORTHERN BALTIC, GULF OF FINLAND, GULF OF RIGA AND SEA OF AALAND. GNSS, AIS, RADAR AND DGPS INTERFERENCE OBSERVED.

NAVAREA 1

NAVAREA I 157/25

021235 UTC Jul 25 

                                                SOUTHERN, SOUTHEASTERN, CENTRAL AND NORTHERN BALTIC, GULF OF FINLAND, GULF OF RIGA AND SEA OF AALAND.
1. GNSS, AIS, RADAR AND DGPS INTERFERENCE OBSERVED WITHIN THE AREA.
MARINERS ADVISED TO EXERCISE CAUTION AND BE PREPARED FOR DISRUPTION TO NAVIGATION.
2. BALTIC SEA NAVIGATION WARNING 026/25 REFERS.
1903 WZ 429/25 020905 UTC Jul 25 DOGGER. TRENT GAS FIELD. TRENT 43/24A UNLIT AND ALL NAVAIDS INOPERATIVE.

UK Coastal

WZ 429/25

020905 UTC Jul 25 

                                                DOGGER.
TRENT GAS FIELD.
TRENT 43/24A 54-18.0N 001-39.6E UNLIT AND ALL NAVAIDS INOPERATIVE.
1850 WZ 428/25 301727 UTC Jun 25 PLATFORM SOUTHWARK, AIS INOPERATIVE.

UK Coastal

WZ 428/25

301727 UTC Jun 25 

                                                HUMBER. 
INNER BANK SOUTHEASTWARDS.
1. PLATFORM SOUTHWARK 53-11.0N 002-05.8E AIS INOPERATIVE.
2. CANCEL WZ 342/25.
1902 NAVAREA I 156/25 300500 UTC Jun 25 RIGLIST CORRECT AT 300500 UTC JUN 2025.

NAVAREA 1

NAVAREA I 156/25

300500 UTC Jun 25 

                                                1. RIGLIST. CORRECT AT 300500 UTC JUN 2025.

    SOUTHERN NORTH SEA: 51N TO 55N
    52-07.7N 003-56.4E VALARIS 123 ACP P18-A
    52-36.8N 003-44.3E JB-115 ACP HKW-B
    53-00.2N 001-50.2E VALARIS 72
    53-17.4N 001-06.6E HAEVA
    53-31.2N 001-48.0E SEAFOX 4 ACP GALLEON GAS FIELD
    53-37.8N 005-08.7E PROSPECTOR 1 ACP M7-A
    53-53.1N 000-26.0E WELL SAFE PROTECTOR ACP YORK GAS FIELD
    54-16.4N 000-59.8E ERDA ACP GARROW GAS FIELD
    54-18.5N 002-25.2E ENSCO 92
    54-19.0N 002-37.0E SWIFT 10 ACP WINGATE GAS FIELD
    54-34.2N 002-17.6E VALARIS NORWAY ACP CYGNUS GAS FIELD
   
    NORTH SEA: 55N TO 60N, EAST OF 5W
NEW 55-04.0N 003-57.1E NOBLE RESOLUTE
    55-28.8N 005-06.5E SHELF DRILLING WINNER ACP DAN OIL FIELD
    55-33.5N 005-08.0E NOBLE REACHER ACP HALFDAN OIL FIELD
    56-22.6N 003-16.0E LINUS ACP ELDFISK OIL FIELD
    56-32.9N 003-12.8E WEST ELARA ACP EKOFISK COMPLEX
    56-41.9N 002-20.2E VALARIS 120 ACP JUDY OIL FIELD
    56-42.0N 003-07.1E NOBLE INTEGRATOR ACP FENRIS JACKET UNDER CONSTRUCTION
NEW 56-43.3N 001-18.6E STENA DON
    56-54.0N 002-22.8E VALARIS 122 ACP 30/02-WHPA
    57-01.9N 001-57.3E VALARIS 121 ACP SHEARWATER OIL FIELD
    57-09.1N 001-40.5E VALARIS 248 (EX GORILLA VI)
    57-11.6N 001-54.8E VALARIS STAVANGER ACP CULZEAN GAS 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
    58-14.9N 000-50.8E PAUL B LOYD JR
    58-18.5N 001-46.4W SAFE CALEDONIA ACP CAPTAIN OIL FIELD
    58-25.1N 001-43.0E NOBLE LLOYD NOBLE ACP SLEIPNER GAS FIELD
    58-50.6N 002-14.9E NOBLE INVINCIBLE ACP EDVARD GRIEG
    59-10.5N 002-22.5E COSL PIONEER
    59-14.5N 002-35.0E DEEPSEA ABERDEEN
    59-20.5N 001-50.0E DEEPSEA NORDKAPP
    59-53.9N 002-16.0E DEEPSEA STAVANGER
    
    NORWEGIAN SEA: 60N TO 65N, EAST OF 5W
    60-30.3N 002-00.8E ASKEPOTT ACP MARTIN LINGE
    61-04.9N 002-15.0E ASKELADDEN
    61-15.2N 000-44.2E NOBLE PATRIOT
    61-20.7N 002-04.3E COSL PROMOTER
NEW INVERGORDON        NOBLE ENDEAVOR (EX OCEAN)
    61-38.1N 002-45.3E DEEPSEA ATLANTIC
    64-02.0N 006-34.6E DEEPSEA YANTAI
NEW FLORO              SCARABEO 8
    64-52.5N 006-26.1E TRANSOCEAN SPITSBERGEN
    64-56.8N 006-57.0E TRANSOCEAN NORGE

    SOUTH AND WEST COASTS OF THE BRITISH ISLES
    53-37.9N 003-10.5W IRISH SEA PIONEER ACP LENNOX OIL/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 152/25.
1899 NAVAREA I 155/25 280013 UTC Jun 25 CULLERCOATS NAVTEX STATION (G) UNSTABLE.

NAVAREA 1

NAVAREA I 155/25

280013 UTC Jun 25 

                                                GMDSS.
ENGLAND AND SCOTLAND EAST COAST, INCLUDING THE NORTH SEA AND THE SHETLAND ISLANDS.
1. CULLERCOATS NAVTEX STATION (G) 55-04N 001-28W UNSTABLE.
2. BROADCASTS TRANSMITTED FROM PORTPATRICK 54-51N 005-07W.
1897 NAVAREA I 153/25 261019 UTC Jun 25 NORTH SEA. VISUND OIL FIELD AND SNORRE OIL FIELD. SEISMIC SURVEY IN PROGRESS BY M/V RAMFORM ATLAS.

NAVAREA 1

NAVAREA I 153/25

261019 UTC Jun 25 

                                                NORTH SEA. VISUND OIL FIELD AND SNORRE OIL FIELD.
1. SEISMIC SURVEY IN PROGRESS BY M/V RAMFORM ATLAS TOWING 12 X 5025 METRE LONG CABLES IN AREA BOUND BY 61-27.1N 001-58.8E, 61-38.5N 002-19.8E, 61-20.4N 003-02.4E, 61-09.0N 002-41.3E.
WIDE BERTH OF 2 MILES AHEAD AND ABEAM AND 4 MILES ASTERN REQUESTED.
GUARD VESSELS R/V OCEAN MERMAID AND M/V THOR OMEGA IN ATTENDANCE.
2. CANCEL NAVAREA I 105/25.
1896 WZ 415/25 251732 UTC Jun 25 IRISH SEA. WALNEY EXTENSION WIND FARM. NORTH CARDINAL BUOY UNLIT.

UK Coastal

WZ 415/25

251732 UTC Jun 25 

                                                IRISH SEA.
WALNEY EXTENSION WIND FARM.
NORTH CARDINAL BUOY 54-07.9N 003-41.2W UNLIT.
1891 WZ 406/25 210045 UTC Jun 25 GMDSS. MRCC ABERDEEN. MF R/T SERVICE FROM GREGNESS SITE OFF AIR.

UK Coastal

WZ 406/25

210045 UTC Jun 25 

                                                GMDSS.
MRCC ABERDEEN.
MF R/T SERVICE FROM GREGNESS SITE 57-07.7N 002-03.2W OFF AIR.
1830 WZ 393/25 160549 UTC Jun 25 HUMBER. LEMAN GAS FIELD. PLATFORMS 49/27-ED,EP UNLIT AND ALL NAVAIDS INOPERATIVE.

UK Coastal

WZ 393/25

160549 UTC Jun 25 

                                                HUMBER. 
LEMAN GAS FIELD.
1. PLATFORMS 49/27-ED,EP 53-03.7N 002-12.7E UNLIT AND ALL NAVAIDS INOPERATIVE.
2. CANCEL WZ 314/25.
1882 WZ 392/25 160238 UTC Jun 25 IRISH SEA. RHYL FLATS WIND FARM ALL FOG SIGNALS INOPERATIVE.

UK Coastal

WZ 392/25

160238 UTC Jun 25 

                                                IRISH SEA.
RHYL FLATS WIND FARM 53-23N 003-39W ALL FOG SIGNALS INOPERATIVE.
1881 WZ 388/25 131724 UTC Jun 25 THAMES. LEMAN GAS FIELD. PLATFORM 49/27-H UNLIT AND ALL NAVAIDS INOPERATIVE.

UK Coastal

WZ 388/25

131724 UTC Jun 25 

                                                THAMES.
LEMAN GAS FIELD.
PLATFORM 49/27-H 53-00.3N 002-12.9E UNLIT AND ALL NAVAIDS INOPERATIVE.
1823 WZ 382/25 101643 UTC Jun 25 THAMES. EAST ANGLIA ONE WIND FARM. FOG SIGNALS INOPERATIVE AT TURBINES.

UK Coastal

WZ 382/25

101643 UTC Jun 25 

                                                THAMES. 
EAST ANGLIA ONE WIND FARM.
1. FOG SIGNALS INOPERATIVE AT TURBINES:
A. A03 52-09.3N 002-27.7E.
B. F17 52-15.7N 002-33.7E.
2. CANCEL WZ 308/25.
1876 NAVAREA I 143/25 091320 UTC Jun 25 ENGLISH CHANNEL. ROYAL SOVEREIGN SHOALS. NORTH, EAST AND WEST CARDINAL BUOYS PERMANENTLY DISCONTINUED.

NAVAREA 1

NAVAREA I 143/25

091320 UTC Jun 25 

                                                ENGLISH CHANNEL. 
ROYAL SOVEREIGN SHOALS.
CHART GB 536 (INT 1740).
NORTH, EAST AND WEST CARDINAL BUOYS PERMANENTLY DISCONTINUED:
A. 50-43.6N 000-26.1E.
B. 50-43.5N 000-26.3E.
C. 50-43.5N 000-25.9E.
1871 WZ 370/25 031413 UTC Jun 25 FORTIES. SEISMIC SURVEY IN PROGRESS BY M/V RAMFORM VANGUARD.

UK Coastal

WZ 370/25

031413 UTC Jun 25 

                                                FORTIES. 
KINNAIRD HEAD EAST-NORTHEASTWARDS.
SEISMIC SURVEY IN PROGRESS BY M/V RAMFORM VANGUARD TOWING 14 X 170 METRE LONG CABLES IN AREA BOUND BY 57-57.2N 000-46.8W, 57-58.4N 000-44.0W, 57-57.2N 000-27.1W, 57-50.4N 000-27.1W, 57-47.8N 000-34.6W, 57-47.8N 000-48.0W, 57-53.9N 000-48.3W. 
WIDE BERTH OF TWO MILES REQUESTED.
1869 NAVAREA I 133/25 021402 UTC Jun 25 ENGLISH CHANNEL. OFF USHANT TSS NORTHWARDS AND EASTWARDS. UNDERWATER OPERATIONS IN PROGRESS BY M/V AETHRA AND M/V ATHENA .

NAVAREA 1

NAVAREA I 133/25

021402 UTC Jun 25 

                                                ENGLISH CHANNEL. 
OFF USHANT TSS NORTHWARDS AND EASTWARDS.
1. UNDERWATER OPERATIONS IN PROGRESS BY M/V AETHRA AND M/V ATHENA ALONG LINE JOINING 49-15.2N 005-51.7W, 48-58.3N 005-05.3W, 48-45.4N 004- 23.2W, 48-45.3N 004-10.8W, 48-44.3N 004-07.0W, 48-41.7N 004-06.6W.
2. CANCEL NAVAREA I 123/25.
1846 NAVAREA I 119/25 161016 UTC May 25 NORTH SEA. SAFETY ZONE ESTABLISHED.

NAVAREA 1

NAVAREA I 119/25

161016 UTC May 25 

                                                NORTH SEA.
TRITON OIL FIELD. 
CHART GB 273.
SAFETY ZONE, RADIUS 500 METRES, ESTABLISHED IN 57-03.11N 000-56.63E.