Radio Navigation Warnings

Reference Date Time Group Description Select
2171 WZ 6/26 021235 UTC Jan 26 HUMBER. HADDOCK BANK SOUTHWESTWARDS. HUMBER. HADDOCK BANK SOUTHWESTWARDS. PLATFORM BLYTHE UNLIT AND ALL NAVAIDS INOPERATIVE.

UK Coastal

WZ 6/26

021235 UTC Jan 26 

                                                HUMBER.
HADDOCK BANK SOUTHWESTWARDS.
PLATFORM BLYTHE 53-14.5N 001-26.8E UNLIT AND ALL NAVAIDS INOPERATIVE.
2170 NAVAREA I 1/26 021013 UTC Jan 26 NAVAREA I WARNINGS IN FORCE AT 021000 UTC JAN 2026

NAVAREA 1

NAVAREA I 1/26

021013 UTC Jan 26 

                                                1. NAVAREA I WARNINGS IN FORCE AT 021000 UTC JAN 2026:

2025 SERIES: 157, 299, 305.
2026 SERIES: 1.

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 (299/25 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 303/25.
2167 WZ 823/25 311720 UTC Dec 25 FAIR ISLE. SOUTH CHANNEL. BULLIA SKERRY LIGHT UNLIT.

UK Coastal

WZ 823/25

311720 UTC Dec 25 

                                                FAIR ISLE.
SOUTH CHANNEL.
BULLIA SKERRY LIGHT 60-06.7N 001-21.6W UNLIT.
2166 WZ 822/25 302110 UTC Dec 25 GMDSS. MRCC HUMBER. MF R/T AND DSC SERVICES FROM CULLERCOATS SITE OFF AIR.

UK Coastal

WZ 822/25

302110 UTC Dec 25 

                                                GMDSS.
MRCC HUMBER.
MF R/T AND DSC SERVICES FROM CULLERCOATS SITE 55-04.4N 001-27.8W OFF AIR.
2165 WZ 821/25 302107 UTC Dec 25 GMDSS. MRCC ABERDEEN. MF R/T SERVICE FROM GREGNESS SITE OFF AIR.

UK Coastal

WZ 821/25

302107 UTC Dec 25 

                                                GMDSS.
MRCC ABERDEEN.
MF R/T SERVICE FROM GREGNESS SITE 57-07.7N 002-03.2W OFF AIR.
2164 NAVAREA I 305/25 290500 UTC Dec 25 RIGLIST. CORRECT AT 290500 UTC DEC 2025.

NAVAREA 1

NAVAREA I 305/25

290500 UTC Dec 25 

                                                RIGLIST.
1. CORRECT AT 290500 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
    53-24.3N 004-01.4E NOBLE RESOLUTE ACP L10-M
    53-37.4N 000-47.4E OBANA ACP AMETHYST GAS FIELD
    53-37.8N 003-04.0E SHELF DRILLING WINNER ACP K7-FB-1
    53-39.7N 004-32.4E SWIFT 10 ACP WINTERSHALL GAS FIELD
    53-41.1N 006-21.6E PROSPECTOR 1 ACP N05-A
    54-18.0N 001-39.6E ERDA ACP TRENT GAS FIELD
    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
NEW 56-25.4N 003-12.6E LINUS ACP ELDFISK OIL FIELD
    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
    58-19.9N 001-35.6E DEEPSEA ATLANTIC
    58-25.1N 001-43.0E NOBLE LLOYD NOBLE ACP SLEIPNER GAS FIELD
    58-42.8N 002-12.6E DEEPSEA NORDKAPP
    59-13.1N 002-25.4E COSL PIONEER
    59-52.3N 002-34.0E NOBLE INTEGRATOR
    
    NORWEGIAN SEA: 60N TO 65N, EAST OF 5W
    60-06.7N 002-35.5E DEEPSEA STAVANGER
    60-30.3N 002-00.8E ASKEPOTT ACP MARTIN LINGE
    60-50.3N 003-34.9E DEEPSEA ABERDEEN
    61-04.7N 001-59.3E ASKELADDEN
    61-16.5N 002-06.9E COSL PROMOTER
    61-18.0N 002-21.7E DEEPSEA BOLLSTA
NEW NAVAREA XIX        TRANSOCEAN NORGE
    61-30.9N 000-57.1E NOBLE PATRIOT
    64-20.5N 007-43.3E DEEPSEA YANTAI
NEW NAVAREA XIX        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 297/25.
2163 WZ 818/25 281215 UTC Dec 25 HUMBER. BESSEMER GAS FIELD. PLATFORM 49/23E, FOG SIGNAL INOPERATIVE.

UK Coastal

WZ 818/25

281215 UTC Dec 25 

                                                HUMBER.
BESSEMER GAS FIELD.
1. PLATFORM 49/23E, 53-11.9N 002-29.1E, FOG SIGNAL INOPERATIVE.
2. CANCEL WZ 714/25.
2158 NAVAREA I 299/25 241328 UTC Dec 25 NORTH SEA. OUTER SILVER PIT SOUTHWARDS. SPECIAL AND CARDINAL BUOYS MARKING THE PERIMETER OF THE FUTURE HORNSEA 3 WINDFARM ESTABLISHED.

NAVAREA 1

NAVAREA I 299/25

241328 UTC Dec 25 

                                                NORTH SEA.
OUTER SILVER PIT SOUTHWARDS.
CHART GB 1187.
SPECIAL AND CARDINAL BUOYS ESTABLISHED MARKING THE PERIMETER OF THE FUTURE HORNSEA 3 WINDFARM IN AREA BOUND BY 53-58.9N 002-10.9E, 53-58.0N 002-27.3E, 53-54.6N 002-44.3E, 53-39.6N 002-50.4E, 53-47.4N 002-23.4E.
2149 WZ 803/25 180107 UTC Dec 25 WIGHT. NAB TOWER FOG SIGNAL INOPERATIVE.

UK Coastal

WZ 803/25

180107 UTC Dec 25 

                                                WIGHT.
NAB TOWER 50-40.1N 000-57.2W FOG SIGNAL INOPERATIVE.
2148 WZ 802/25 172054 UTC Dec 25 GMDSS. MRCC STORNOWAY. VHF R/T AND DSC SERVICES FROM FORSNAVAL SITE OFF AIR.

UK Coastal

WZ 802/25

172054 UTC Dec 25 

                                                GMDSS.
MRCC STORNOWAY.
VHF R/T AND DSC SERVICES FROM FORSNAVAL SITE 58-12.8N 007-00.4W OFF AIR.
2147 WZ 800/25 171746 UTC Dec 25 WIGHT. EASTERN APPROACHES TO THE SOLENT. DERELICT CONTAINERS REPORTED.

UK Coastal

WZ 800/25

171746 UTC Dec 25 

                                                WIGHT.
EASTERN APPROACHES TO THE SOLENT.
1. DERELICT CONTAINERS REPORTED IN AREA BOUND BY 50-41N 001-04W, 50-43N 000-47W, 50-35N 000-47W, 50-33N 001-07W.
2. CANCEL WZ 791/25.
2138 WZ 785/25 131028 UTC Dec 25 GMDSS. MRCC SHETLAND. VHF R/T SERVICE FROM DUNNET HEAD SITE UNSTABLE.

UK Coastal

WZ 785/25

131028 UTC Dec 25 

                                                GMDSS.
MRCC SHETLAND.
1. VHF R/T SERVICE FROM DUNNET HEAD SITE 58-40.3N 003-22.6W UNSTABLE.
2. CANCEL WZ 686/25.
2137 WZ 783/25 121748 UTC Dec 25 HUMBER. RACE BANK WIND FARM. TURBINE FOG SIGNALS INOPERATIVE.

UK Coastal

WZ 783/25

121748 UTC Dec 25 

                                                HUMBER.
RACE BANK WIND FARM.
1. TURBINE FOG SIGNALS INOPERATIVE:
A. D01, 53-20.1N 000-49.1E.
B. S01, 53-15.7N 000-55.9E.
2. CANCEL WZ 775/25.
2060 WZ 756/25 051800 UTC Dec 25 CROMARTY. HYWIND FLOATING WIND FARM. TURBINE FOG SIGNAL INOPERATIVE.

UK Coastal

WZ 756/25

051800 UTC Dec 25 

                                                CROMARTY.
HYWIND FLOATING WIND FARM.
1. TURBINE HS2, 57-29.4N 001-21.1W, FOG SIGNAL INOPERATIVE.
2. TURBINE HS4, ADMIRALTY LIST OF LIGHTS REFERS.
3. CANCEL WZ 674/25.
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.
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.