Other warnings in the North Sea
Everything the classifier did not place elsewhere.
- in force
- 0
- last 12 months
- 0
- vs previous 12 (1)
- -100%
- since 1997
- 669
Coverage note: the NGA archive ends 2024-05 and live collection began 2026-08-17. Warnings issued in between are here only if they were still in force when collection started, so 2024–2026 are under-counted.
In force now · 0
No other warnings in force in the North Sea right now.
By month (all years)
J
F
M
A
M
J
J
A
S
O
N
D
Other hazards in the North Sea
Archive · 669 cancelled
- HYDROLANT 2191/202020-07-10 → 2020-07-10Ordnance detonation in progress by M/V noordhoek pathfinder in vicinity 53-59.9N 001-23.2ENorth Sea · England
- HYDROLANT 1924/202020-06-11 → 2020-07-23Leading light sectors on approaches to lowestoft harbor 52-27.7N 001-44.5E unreliableNorth Sea · England
- HYDROLANT 1922/202020-06-11 → 2020-06-11Leading light sectors on approaches to lowestoft harbour 52-27.7N 001-45.5E unreliableNorth Sea · England
- HYDROLANT 1916/202020-06-11 → 2020-07-13Anchors, 1500 meter cable, marked by buoys in: a. 56-38.6N 002-20.2WNorth Sea · Scotland
- HYDROLANT 1485/202020-04-30 → 2020-06-11Anchors, 1500 meter cable, marked by buoys in: a. 56-38.6N 002-20.2WNorth Sea · Scotland
- HYDROLANT 212/202020-01-22 → 2020-08-28Unexploded ordnance in 52-22.63N 002-49.27ENorth Sea · England
- HYDROLANT 3404/192019-11-05 → 2019-12-18Unexploded ordnance reported marked by reflector in 52-31.57N 002-56.74ENorth Sea · England
- HYDROLANT 3137/192019-10-14 → 2022-01-14Unexploded ordnance in 52-42.63N 003-04.36ENorth Sea · Netherlands
- HYDROLANT 2831/192019-09-17 → 2019-09-17All navigational aids at race bank windfarm 53-16N 000-50E unreliableNorth Sea · England
- HYDROLANT 2408/192019-08-06 → 2019-09-17All navigational aids at race bank windfarm 53-16N 000-50E unreliableNorth Sea · England
- HYDROLANT 2100/192019-07-12 → 2019-07-31All navigational aids inoperative at platforms: a. 11/30-C, 58-05.7N 003-09.1WNorth Sea · Scotland
- HYDROLANT 1899/192019-06-25 → 2019-08-06All navigational aids at race bank windfarm 53-16N 000-50E unreliableNorth Sea · England
- HYDROLANT 1824/192019-06-18 → 2019-07-31DNC20North Sea · England
- HYDROLANT 1709/192019-06-04 → 2019-06-18Unexploded ordnance in vicinity of line joining 53-31.2N 000-14.9E, 53-29.4N 000-19.1ENorth Sea · England
- HYDROLANT 1637/192019-05-29 → 2019-06-18Unexploded ordnance reported in vicinity of tracklines joining: a. 53-55.5N 001-38.0E, 53-48.5N 001-30.5E,…North Sea · England
- HYDROLANT 1572/192019-05-24 → 2019-05-29Unexploded ordnance reported in vicinity of trackline joining 53-55.5N 001-38.0E, 53-48.5N 001-30.5E,…North Sea · England
- HYDROLANT 1547/192019-05-22 → 2019-05-24Unexploded ordnance reported in vicinity: a. 53-55.5N 001-38.1ENorth Sea · England
- HYDROLANT 1515/192019-05-17 → 2019-05-22Unexploded ordnance reported in: a. 53-55.5N 001-38.1ENorth Sea · England
- HYDROLANT 1466/192019-05-14 → 2019-06-25All navigational aids at race bank windfarm 53-16N 000-50E unreliableNorth Sea · England
- HYDROLANT 1198/192019-04-17 → 2019-04-18All navigational aids inoperative at platforms: a. 49/19-BG, 53-26.5N 002-41.8ENorth Sea · England
- HYDROLANT 1063/192019-04-04 → 2019-04-04All navigational aids at race bank windfarm inoperative 040600Z to 131200Z apr in vicinity of trackline…North Sea · England
- HYDROLANT 763/192019-03-10 → 2019-03-28Unexploded ordnance in 52-18.32N 002-15.07ENorth Sea · England
- HYDROLANT 474/192019-02-13 → 2019-03-27Unexploded ordnance in: a. 52-18.44N 002-15.89ENorth Sea · England
- HYDROLANT 358/192019-02-03 → 2019-02-07Unexploded ordnance in 56-11.64N 002-42.28WNorth Sea
- HYDROLANT 272/192019-01-27 → 2019-03-10Unexploded ordnance in 52-18.32N 002-15.07ENorth Sea · England
- HYDROLANT 122/192019-01-15 → 2019-03-04All navigational aids at race bank windfarm 53-20.05N 000-46.58E inoperativeNorth Sea · England
- HYDROLANT 28/192019-01-04 → 2019-02-04All navigational aids inoperative at platforms: a. 11/30-C, 58-05.7N 003-09.1WNorth Sea · Scotland
- HYDROLANT 15/192019-01-02 → 2019-02-13Unexploded ordnance in: a. 52-18.44N 002-15.89ENorth Sea · England
- HYDROLANT 3972/182018-12-20 → 2019-03-15Navigation prohibited in area within one mile of: a. 54-11.31N 002-12.56ENorth Sea · England
- HYDROLANT 3938/182018-12-17 → 2019-01-27Unexploded ordnance in 52-18.32N 002-15.07ENorth Sea · England
- HYDROLANT 3873/182018-12-12 → 2018-12-15Numerous large bundles of wood adrift in vicinity 58-11.3N 002-28.3E at 121513Z decNorth Sea
- HYDROLANT 3870/182018-12-12 → 2019-03-04Unexploded ordnance in 52-19.94N 002-46.49ENorth Sea · England
- HYDROLANT 3799/182018-12-05 → 2018-12-08Fishing gear, marked by buoys, abandoned in 55-07.29N 000-57.55W at 051714ZNorth Sea · England
- HYDROLANT 3623/182018-11-21 → 2019-01-02Unexploded ordnance in: a. 52-18.44N 002-15.89ENorth Sea · England
- HYDROLANT 3394/182018-10-31 → 2018-11-06Unexploded ordnance in area bound by 52-05N 001-37E, 52-05N 001-45E, 51-58N 001-30E, 52-00N 001-30ENorth Sea · England
- HYDROLANT 3000/182018-09-22 → 2018-09-25All navigational aids inoperative at platforms: a. brigantine br, 53-26.5N 002-41.8ENorth Sea · England
- HYDROLANT 2999/182018-09-22 → 2018-09-25All navigational aids inoperative at platforms: a. caravel, 53-25.8N 002-53.9ENorth Sea · England
- HYDROLANT 2960/182018-09-19 → 2018-10-31Unexploded ordnance in area bound by 52-05N 001-37E, 52-05N 001-45E, 51-58N 001-30E, 52-00N 001-30ENorth Sea · England
- HYDROLANT 2770/182018-08-30 → 2018-08-31Unexploded ordnance marked by buoys in 51-44.27N 001-01.24ENorth Sea · England
- HYDROLANT 2533/182018-08-07 → 2018-09-19Unexploded ordnance in area bound by 52-05N 001-37E, 52-05N 001-45E, 51-58N 001-30E, 52-00N 001-30ENorth Sea · England
- HYDROLANT 2381/182018-07-24 → 2018-07-26Navigation prohibited until further notice unless authorized by national maritime operations center or…North Sea · Scotland
- HYDROLANT 2345/182018-07-19 → 2018-07-24Navigation prohibited until further notice unless authorized by national maritime operations centre or…North Sea · Scotland
- HYDROLANT 2172/182018-07-04 → 2018-08-15Unexploded ordnance in 52-07.4N 001-50.4ENorth Sea · England-southeast Coast
- HYDROLANT 2082/182018-06-26 → 2018-08-07Unexploded ordnance in area bound by 52-05N 001-37E, 52-05N 001-45E, 51-58N 001-30E, 52-00N 001-30ENorth Sea · England
- HYDROLANT 2081/182018-06-26 → 2018-06-26Unexploded ordnance located in vicinity 52-13.05N 002-27.50ENorth Sea · England
- HYDROLANT 2080/182018-06-26 → 2018-06-26Unexploded ordnance in vicinity of trackline joining 51-59.5N 001-30.2E, 52-03.5N 001-37.1E and 52-03.7N…North Sea · England
- HYDROLANT 2063/182018-06-25 → 2018-06-26Unexploded ordnance in vicinity of trackline between 52-03.5N 001-37.1E and 52-00.7N 001-32.7ENorth Sea · England
- HYDROLANT 2059/182018-06-24 → 2018-06-25Unexploded ordnance in: a. 52-03.5N 001-37.1ENorth Sea · England
- HYDROLANT 1953/182018-06-17 → 2018-06-18Unexploded ordnance in: a. 52-10.9N 002-06.9ENorth Sea · England
- HYDROLANT 1904/182018-06-14 → 2018-11-30Unexploded ordnance in 51-19.31N 001-56.12ENorth Sea · England-southwest Coast
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts and your national MSI service.