Radio Navigation Warnings

Reference Date Time Group Description Select
2115 NAVAREA I 277/25 031545 UTC Dec 25 NORTH SEA. BERGEN BANK. TOWING OPERATIONS IN PROGRESS BY TUG SIEM OPAL.

NAVAREA 1

NAVAREA I 277/25

031545 UTC Dec 25 

                                                NORTH SEA.
BERGEN BANK.
1. TOWING OPERATIONS IN PROGRESS BY TUG SIEM OPAL IN 60-04N 002-48E AT 031530 UTC DEC TOWING SUBMERGED PIPELINE BUNDLE ALONG LINE JOINING 60-02N 002-50E, 60-11N 002-35E.
LENGTH OF TOW 7500 METRES.
F/V WESTRO IN ATTENDANCE.
ONE MILE BERTH REQUESTED.
2. CANCEL NAVAREA I 274/25.
2114 WZ 750/25 021510 UTC Dec 25 CROMARTY. THE SKARES. PORT HAND BUOY AIS INOPERATIVE.

UK Coastal

WZ 750/25

021510 UTC Dec 25 

                                                CROMARTY. 
THE SKARES.
PORT HAND BUOY 57-23.2N 001-50.3W AIS INOPERATIVE.
2113 WZ 747/25 011010 UTC Dec 25 HEBRIDES. UIST WESTWARDS. LIVE WEAPONS FIRINGS IN PROGRESS.

UK Coastal

WZ 747/25

011010 UTC Dec 25 

                                                HEBRIDES.
UIST WESTWARDS.
1. LIVE WEAPONS FIRINGS IN PROGRESS DAILY FROM 0730 TO 1830 UTC, 04 TO 13 DEC IN AREAS WITHIN:
A. 26 MILES OF 57-16.7N 008-10.9W.
B. 28 MILES OF 57-28.5N 008-53.7W.
2. THIS IS AN EXTREMELY HAZARDOUS AREA AND MARINERS ARE REQUESTED TO VACATE THE AREA DURING THE ABOVE PERIODS. ANY VESSELS INTENDING TO ENTER THE AREA SHOULD CONTACT HEBRIDES RANGE ON VHF CH16 OR TELEPHONE NUMBER +441870604449 OR +447787328975 FOR ADVICE. MARITIME PATROL AIRCRAFT MAY BE IN OPERATION TO SUPPORT FIRINGS AND MARINERS ARE REQUESTED TO COMPLY WITH ANY INSTRUCTIONS GIVEN.
3. CANCEL THIS MSG 131930 UTC DEC 2025.
2112 NAVAREA I 275/25 010500 UTC Dec 25 RIGLIST. CORRECT AT 010500 UTC DEC 2025

NAVAREA 1

NAVAREA I 275/25

010500 UTC Dec 25 

                                                NAVAREA I 275/25

1. RIGLIST. CORRECT AT 010500 UTC DEC 2025.

    SOUTHERN NORTH SEA: 51N TO 55N
    52-07.7N 003-56.4E VALARIS 123 ACP P18-A
    53-00.2N 002-53.7E HAEVA ACP DAVY GAS FIELD
    53-07.1N 002-06.3E ENSCO 92 ACP LEMAN GAS FIELD
    53-13.0N 003-55.1E SEAFOX 4 ACP K15-FK-1
    53-37.4N 000-47.4E OBANA ACP AMETHYST GAS FIELD
    53-37.8N 003-04.0E SHELF DRILLING WINNER ACP K7-FB-1
    53-41.8N 004-38.8E SWIFT 10 ACP WINTERSHALL GAS FIELD
    54-05.7N 003-21.8E WELL SAFE PROTECTOR ACP E17A-A
    54-18.0N 001-39.6E ERDA ACP TRENT GAS FIELD
    54-34.2N 002-17.6E VALARIS NORWAY ACP CYGNUS GAS FIELD
    54-49.4N 004-56.2E PROSPECTOR 1
   
    NORTH SEA: 55N TO 60N, EAST OF 5W
    56-16.5N 003-23.9E NOBLE INVINCIBLE ACP VALHALL OIL FIELD
    56-32.7N 003-13.4E LINUS ACP EKOFISK COMPLEX
    56-32.9N 003-12.8E WEST ELARA ACP EKOFISK COMPLEX
    56-41.7N 002-14.8E PAUL B LOYD JR
    56-41.9N 002-20.2E VALARIS 120 ACP JUDY OIL FIELD
    56-54.0N 002-22.8E VALARIS 122 ACP 30/02-WHPA
    57-01.9N 001-57.3E VALARIS 121 ACP SHEARWATER OIL FIELD
    57-11.6N 001-54.8E VALARIS STAVANGER ACP CULZEAN GAS FIELD
    57-16.5N 000-46.5E SHELF DRILLING FORTRESS
    57-22.5N 001-59.8E NOBLE INNOVATOR ACP MUNGO OIL FIELD
    57-48.9N 004-32.0E MAERSK INSPIRER ACP YME OIL FIELD
    58-18.5N 001-46.4W SAFE CALEDONIA ACP CAPTAIN OIL FIELD
    58-25.1N 001-43.0E NOBLE LLOYD NOBLE ACP SLEIPNER GAS FIELD
    58-42.3N 001-36.7E DEEPSEA ATLANTIC
    58-42.8N 002-12.6E DEEPSEA NORDKAPP
    59-13.1N 002-25.4E COSL PIONEER
    59-15.2N 002-36.1E DEEPSEA ABERDEEN
    59-52.3N 002-34.0E NOBLE INTEGRATOR
    
    NORWEGIAN SEA: 60N TO 65N, EAST OF 5W
    60-06.7N 002-35.5E DEEPSEA STAVANGER
    60-26.4N 003-01.4E DEEPSEA YANTAI
    60-30.3N 002-00.8E ASKEPOTT ACP MARTIN LINGE
    61-04.7N 001-59.3E ASKELADDEN
    61-16.5N 002-06.9E COSL PROMOTER
    61-18.0N 002-21.7E DEEPSEA BOLLSTA
    61-23.6N 003-22.3E TRANSOCEAN NORGE
    61-30.9N 000-57.1E NOBLE PATRIOT
    64-48.8N 007-03.6E TRANSOCEAN ENCOURAGE

    SOUTH AND WEST OF GREAT BRITAIN
    53-34.0N 003-27.2W VALARIS 72 ACP HAMILTON GAS FIELD
    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 265/25.
2104 NAVAREA I 272/25 281001 UTC Nov 25 NAVAREA I WARNINGS IN FORCE AT 281000 UTC NOV 2025.

NAVAREA 1

NAVAREA I 272/25

281001 UTC Nov 25 

                                                1. NAVAREA I WARNINGS IN FORCE AT 281000 UTC NOV 2025:
 
2025 SERIES: 157, 240, 256, 257, 265, 271, 272.
 
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 (240/25 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 263/25.
2103 WZ 736/25 271623 UTC Nov 25 GMDSS. MRCC STORNOWAY. VHF R/T AND DSC SERVICES FROM GLENGORM SITE OFF AIR.

UK Coastal

WZ 736/25

271623 UTC Nov 25 

                                                GMDSS. 
MRCC STORNOWAY.
VHF R/T AND DSC SERVICES FROM GLENGORM SITE 56-37.9N 006-08.0W OFF AIR.
2102 WZ 735/25 262045 UTC Nov 25 THAMES. EAST ANGLIA THREE OFFSHORE WINDFARM. PERIMETER BUOYS PERMANENTLY MOVED NORTHWARDS.

UK Coastal

WZ 735/25

262045 UTC Nov 25 

                                                THAMES. 
EAST ANGLIA THREE OFFSHORE WINDFARM.
PERIMETER BUOYS PERMANENTLY MOVED NORTHWARDS:
A. E1, 0.6 MILES TO 52-44.3N 003-00.8E.
B. E2, 0.7 MILES TO 52-38.9N 002-56.6E.
C. SP3, 0.6 MILES TO 52-36.1N 002-54.0E.
D. E3, 0.3 MILES TO 52-33.2N 002-51.6E.
2100 WZ 733/25 251001 UTC Nov 25 THAMES. EAST ANGLIA ONE WIND FARM. TURBINE A03 FOG SIGNAL INOPERATIVE.

UK Coastal

WZ 733/25

251001 UTC Nov 25 

                                                THAMES.
EAST ANGLIA ONE WIND FARM.
1. TURBINE A03, 52-09.3N 002-27.7E, FOG SIGNAL INOPERATIVE.
2. CANCEL WZ 658/25.
2098 WZ 731/25 241630 UTC Nov 25 THAMES. GUNFLEET SANDS WIND FARM. TURBINE FOG SIGNALS INOPERATIVE, A01 AND A06.

UK Coastal

WZ 731/25

241630 UTC Nov 25 

                                                THAMES. 
GUNFLEET SANDS WIND FARM.
1. TURBINE FOG SIGNALS INOPERATIVE:
A. A01 51-43.7N 001-11.3E.
B. A06 51-45.0N 001-14.6E.
2. CANCEL WZ 721/25.
1983 WZ 728/25 230630 UTC Nov 25 HUMBER. INNER BANK SOUTHEASTWARDS. PLATFORM SOUTHWARK UNLIT AND ALL NAVAIDS INOPERATIVE.

UK Coastal

WZ 728/25

230630 UTC Nov 25 

                                                HUMBER.
INNER BANK SOUTHEASTWARDS.
1. PLATFORM SOUTHWARK 53-11.0N 002-05.8E UNLIT AND ALL NAVAIDS INOPERATIVE.
2. CANCEL WZ 654/25.
2045 WZ 726/25 221345 UTC Nov 25 PLYMOUTH. EDDYSTONE ROCKS SOUTHEASTWARDS. WRECK OF F/V FAITHFUL REPORTED.

UK Coastal

WZ 726/25

221345 UTC Nov 25 

                                                PLYMOUTH. 
EDDYSTONE ROCKS SOUTHEASTWARDS.
1. WRECK OF F/V FAITHFUL REPORTED IN 50-01.0N 004-04.0W.
2. CANCEL WZ 652/25.
2085 WZ 714/25 161206 UTC Nov 25 HUMBER. BESSEMER GAS FIELD. PLATFORM 49/23E FOG SIGNAL INOPERATIVE.

UK Coastal

WZ 714/25

161206 UTC Nov 25 

                                                HUMBER.
BESSEMER GAS FIELD.
1. PLATFORM 49/23E, 53-11.9N 002-29.1E, FOG SIGNAL INOPERATIVE.
2. CANCEL WZ 712/25.
2083 NAVAREA I 257/25 131100 UTC Nov 25 SCOTLAND, EAST COAST. MORAY FIRTH. MORAY WEST OFFSHORE WINDFARM PERIMETER BUOYS PERMANENTLY DISCONTINUED.

NAVAREA 1

NAVAREA I 257/25

131100 UTC Nov 25 

                                                SCOTLAND, EAST COAST.
MORAY FIRTH.
CHART GB 115 (INT 1503).
MORAY WEST OFFSHORE WINDFARM 58-06N 003-00W PERIMETER BUOYS PERMANENTLY DISCONTINUED.
2077 WZ 703/25 081730 UTC Nov 25 GMDSS. MRCC ABERDEEN. VHF DSC SERVICE FROM INVERBERVIE SITE OFF AIR.

UK Coastal

WZ 703/25

081730 UTC Nov 25 

                                                GMDSS. MRCC ABERDEEN. 
1. VHF DSC SERVICE FROM INVERBERVIE SITE 56-51.1N 002-15.7W OFF AIR.
2. CANCEL 608/25 (GA19).
2009 WZ 686/25 011047 UTC Nov 25 GMDSS. MRCC SHETLAND. VHF R/T SERVICE FROM DUNNET HEAD SITE UNSTABLE.

UK Coastal

WZ 686/25

011047 UTC Nov 25 

                                                GMDSS. 
MRCC SHETLAND.
1. VHF R/T SERVICE FROM DUNNET HEAD SITE 58-40.3N 003-22.6W UNSTABLE.
2. CANCEL WZ 588/25.
2060 WZ 674/25 241730 UTC Oct 25 CROMARTY. HYWIND FLOATING WIND FARM. TURBINE FOG SIGNALS INOPERATIVE.

UK Coastal

WZ 674/25

241730 UTC Oct 25 

                                                CROMARTY. 
HYWIND FLOATING WIND FARM.
1. TURBINE FOG SIGNALS INOPERATIVE: 
A. HS2 57-29.4N 001-21.1W. 
B. HS4 57-28.7N 001-21.2W.
2. CANCEL WZ 585/25.
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.