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)
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Other hazards in the North Sea
Archive · 669 cancelled
- HYDROLANT 1512/162016-06-17 → 2016-06-22Unexploded ordnance: a. 52-09.93N 001-42.82ESouthern North Sea · England-southeast Coast · Ordnance
- HYDROLANT 1505/162016-06-16 → 2016-07-15Unexploded ordnance: a. in 51-59.50N 001-59.74ESouthern North Sea · England-east Coast
- HYDROLANT 1504/162016-06-16 → 2016-06-27Unexploded ordnance vicinity of trackline joining 52-05.59N 001-47.26E, 52-03.77N 001-48.30E, 52-03.23N…Southern North Sea · England-east Coast · Ordnance
- HYDROLANT 1480/162016-06-14 → 2016-06-16Unexploded ordnance: a. 51-59.50N 001-59.74ESouthern North Sea · England-southeast Coast · Ordnance
- HYDROLANT 1408/162016-06-08 → 2016-06-14Unexploded ordnance: a. 51-59.50N 001-59.74ESouthern North Sea · England-southeast Coast · Ordnance
- HYDROLANT 1319/162016-05-31 → 2016-06-08Unexploded ordnance: a. 51-59.50N 001-59.74ESouthern North Sea · England-southeast Coast · Ordnance
- HYDROLANT 1205/162016-05-21 → 2016-07-02All navigational aids at meteorological mast 53-53.1N 001-59.5E unreliableSouthern North Sea
- HYDROLANT 1194/162016-05-20 → 2016-06-17Unexploded ordnance: a. 52-09.93N 001-42.82ESouthern North Sea · England-southeast Coast · Ordnance
- HYDROLANT 1084/162016-05-06 → 2016-06-16Unexploded ordnance: a. 52-00.94N 001-54.45ESouthern North Sea · England-southeast Coast · Ordnance
- HYDROLANT 1063/162016-05-04 → 2016-05-06Unexploded ordnance: a. 52-00.94N 001-54.45ESouthern North Sea · England-southeast Coast · Ordnance
- HYDROLANT 1050/162016-05-02 → 2016-05-04Unexploded ordnance: a. 52-00.94N 001-54.45ESouthern North Sea · England-southeast Coast
- HYDROLANT 994/162016-04-27 → 2016-05-02Unexploded ordnance reported in 52-03.20N 001-48.84ESouthern North Sea · England-southeast Coast
- HYDROLANT 954/162016-04-22 → 2016-05-02Unexploded ordnance reported in 52-00.9N 001-54.5ESouthern North Sea · England-southeast Coast
- HYDROLANT 843/162016-04-09 → 2016-05-21All navigational aids at meteorological mast 53-53.1N 001-59.5E unreliableSouthern North Sea
- HYDROLANT 778/162016-04-01 → 2017-01-27Navigation prohibited within 500 meters of 57-42.94N 001-21.02ENorth Sea
- HYDROLANT 750/162016-03-29 → 2017-01-27Navigation prohibited within 500 meters of: a. 57-04.74N 002-04.91ENorth Sea
- HYDROLANT 660/162016-03-18 → 2016-03-18Auskerry light 59-01.5N 002-34.3W ureliableNorth Sea · Scotland-north Coast · Orkney Islands
- HYDROLANT 404/162016-02-17 → 2016-03-01All navigational aids at platforms within 7.5 miles of 53-27N 002-20E unreliableSouthern North Sea
- HYDROLANT 387/162016-02-15 → 2016-02-16All navigational aids at platforms unreliable: a. 49/17-LD, 53-28.5N 002-13.9ESouthern North Sea
- HYDROLANT 229/162016-01-27 → 2016-02-15All navigational aids at platforms within seven miles of 53-27N 002-20E unreliableSouthern North Sea
- HYDROLANT 225/162016-01-26 → 2016-03-09All navigational aids at meteorological mast 56-26.4N 002-14.5W unreliableNorth Sea · Scotland-east Coast
- HYDROLANT 221/162016-01-26 → 2016-01-27All navigational aids at platforms within seven miles of 53-27N 002-20E unreliableSouthern North Sea
- HYDROLANT 215/162016-01-25 → 2016-01-26All navigational aids at platforms within 4.5 miles of 53-27N 002-20E unreliableSouthern North Sea
- HYDROLANT 110/162016-01-13 → 2016-01-19All navigational aids at meteorological mast 52-12.9N 002-30.1E inoperativeSouthern North Sea · England-southeast Coast
- HYDROLANT 52/162016-01-05 → 2016-01-13All navigational aids at meteorological mast 56-26.4N 002-14.5W inoperativeNorth Sea · Scotland-east Coast
- HYDROLANT 3200/152015-12-28 → 2016-02-14All navigational aids at meteorological mast 53-10.65N 002-59.10E inoperativeSouthern North Sea
- HYDROLANT 3119/152015-12-17 → 2016-01-25All navigational aids at platforms within three miles of 53-27N 002-20E unreliableSouthern North Sea
- HYDROLANT 3117/152015-12-17 → 2015-12-17All navigational aids at platforms inoperative: a. 49/17-CD, 53-25.4N 002-22.6ESouthern North Sea
- HYDROLANT 3041/152015-12-08 → 2015-12-14All navigational aids at platforms inoperative: a. 49/17-DD, 53-26.5N 002-23.7ENorth Sea
- HYDROLANT 2965/152015-12-01 → 2015-12-02All navigational aids at platforms inoperative: a. 44/26A-A, 54-03.6N 002-04.6ESouthern North Sea
- HYDROLANT 2923/152015-11-26 → 2015-12-08All navigational aids at platforms inoperative: a. 49/17-DD, 53-26.5N 002-23.7ENorth Sea
- HYDROLANT 2754/152015-11-09 → 2015-11-26All navigational aids at platforms inoperative: a. 49/17-CD, 53-25.4N 002-22.6ENorth Sea
- HYDROLANT 2554/152015-10-13 → 2015-10-15All navigational aids at platforms inoperative: a. 49/12-AR, 53-32.0N 002-15.2ESouthern North Sea
- HYDROLANT 2513/152015-10-08 → 2015-10-12All navigational aids at meteorological mast 53-10.65N 002-59.10E inoperativeSouthern North Sea
- HYDROLANT 2489/152015-10-05 → 2015-10-11All navigational aids at platforms inoperative: a. 49/17-CD, 53-25.4N 002-22.5ESouthern North Sea
- HYDROLANT 2440/152015-09-30 → 2017-01-27Navigation prohibited within 500 meters of 57-53.90N 000-40.83WNorth Sea
- HYDROLANT 2402/152015-09-25 → 2015-10-05Ordnance clearing operations in progress until further notice by M/V stril explorer in: a. 53-02.1N 000-26.3ESouthern North Sea · England-east Coast · Ordnance
- HYDROLANT 2289/152015-09-15 → 2015-09-18Fishing gear reported adrift in 58-54.5N 001-35.7E at 131900Z sepNorth Sea
- HYDROLANT 2275/152015-09-13 → 2015-09-15Fishing gear abandoned vicinity 58-54.5N 001-35.7ENorth Sea
- HYDROLANT 2272/152015-09-13 → 2015-10-05All navigational aids at platforms inoperative: a. 49/17-CD, 53-25.4N 002-22.5ESouthern North Sea
- HYDROLANT 2226/152015-09-08 → 2017-01-27Unexploded ordnance in 52-10.78N 002-37.36ESouthern North Sea
- HYDROLANT 2133/152015-08-30 → 2015-11-08Platform under construction in 59-35.3N 001-03.3ENorth Sea
- HYDROLANT 2060/152015-08-21 → 2015-09-25Unexploded ordnance marked by buoys, yellow, l fl y 15 sec, in: a. 53-02.1N 000-26.3ESouthern North Sea · England-east Coast · Ordnance
- HYDROLANT 1994/152015-08-14 → 2015-08-17Fishing gear with floats adrift in 58-05N 001-05E at 141700Z augNorth Sea
- HYDROLANT 1976/152015-08-13 → 2015-08-13All navigational aids at platforms inoperative: a. 49/17-DD, 53-26.4N 002-23.1ESouthern North Sea
- HYDROLANT 1914/152015-08-05 → 2015-08-13All navigational aids at platforms inoperative: a. 49/17-DD, 53-26.4N 002-23.1ESouthern North Sea
- HYDROLANT 1903/152015-08-04 → 2015-08-05All navigational aids at platforms inoperative: a. 49/17-DD, 53-26.4N 002-23.1ESouthern North Sea
- HYDROLANT 1895/152015-08-03 → 2015-08-04All navigational aids at platforms inoperative: a. 49/17-DD, 53-26.4N 002-23.1ESouthern North Sea
- HYDROLANT 1538/152015-06-22 → 2015-08-03All navigational aids at platforms inoperative: a. 49/17-DD, 53-26.4N 002-23.1ESouthern North Sea
- HYDROLANT 1467/152015-06-15 → 2017-01-27Navigation prohibited within 500 meters of 56-11.15N 002-41.33ENorth Sea
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.