Norwegian Sea
IHO sea area 6 · -14° to 26° E, 61° to 77° N
- in force
- 1
- last 12 months
- 13
- archive messages
- 497
- categories
- 15
What the archive shows
497 messages are recorded since 1999-04-21 for the Norwegian Sea. The selection uses the IHO sea area; a message may describe an exercise, equipment outage or continuing operation as well as a hazard report.
Cable ops accounts for 134 of 497 recorded messages (27%), the largest category group in this selection.
The NGA historical archive froze in 2024-05; live collection began 2026-08-17. Counts around that gap are incomplete, and changes in reporting volume do not establish changes in incident frequency.
- An older warning still listed in force · issued 2026-08-28 09:28ZSurvey operations in Norwegian Sea by Amazon Conqueror towing twelve 10,000-meter cables, seven mile berth requested.
In force now · 1
Longest in force
By year
99
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
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25
26
By month (all years)
J
F
M
A
M
J
J
A
S
O
N
D
By category · available archive
| Cable ops | 134 | 27% |
| Surveys | 109 | 22% |
| Missiles | 85 | 17% |
| Exercises | 62 | 12% |
| Nav aids | 31 | 6% |
| Quakes | 17 | 3% |
| Ordnance | 13 | 3% |
| Debris | 12 | 2% |
| Other | 12 | 2% |
| Containers | 9 | 2% |
| Incidents | 6 | 1% |
| Restricted | 4 | 1% |
| Mines | 1 | 0% |
| Derelicts | 1 | 0% |
| Icebergs | 1 | 0% |
Archive · 496 cancelled
- HYDROLANT 826/23 · Surveys2023-04-17 → 2023-06-10Survey operations in progress until further notice by M/V ramform atlas towing 14 11000 meter long cables in…
- HYDROARC 54/23 · Surveys2023-04-17 → 2023-06-10Survey operations in progress until further notice by M/V ramform atlas towing 14 11000 meter long cables in…
- HYDROARC 49/23 · Exercises2023-04-15 → 2023-04-25Hazardous operations 1800Z to 0200Z daily 17 thru 26 apr in areas bound by: a. 69-00.00N 012-18.00E,…
- HYDROLANT 811/23 · Surveys2023-04-15 → 2023-06-25Survey operations in progress until further notice by M/V amazon warrior towing 12 8000 meter long cables,…
- HYDROARC 47/23 · Surveys2023-04-14 → 2023-04-15Survey operations in progress until further notice by M/V amazon warrior towing 12 8000 meter long cables,…
- HYDROLANT 806/23 · Surveys2023-04-14 → 2023-04-15Survey operations in progress until further notice by M/V amazon warrior towing 12 8000 meter long cables,…
- HYDROARC 29/23 · Missiles2023-03-19 → 2023-03-27Hazardous operations, rocket launching 2045Z to 0400Z daily 19 thru 26 mar in areas bound by: a. 69-23.00N…
- HYDROARC 27/23 · Missiles2023-03-17 → 2023-03-19Hazardous operations, rocket launching 1600Z to 2300Z daily 17 thru 26 mar in area bound by 71-48.50N…
- HYDROLANT 475/23 · Exercises2023-03-02 → 2023-03-18Hazardous operations in progress until 172359Z mar in area bound by 62-00.00N 005-05.08E, 62-00.00N…
- HYDROARC 19/23 · Exercises2023-03-02 → 2023-03-18Hazardous operations in progress until 172359Z mar in area bound by 62-00.00N 005-05.08E, 62-00.00N…
- HYDROLANT 414/23 · Incidents2023-02-22 → 2023-02-25Derelict S/V capsized and adrift in vicinity 61-13.00N 002-36.00E at 221450Z feb
- HYDROLANT 3130/22 · Restricted2022-12-05 → 2022-12-09500 meter safety zone established in 61-02.05N 001-41.97E
- HYDROLANT 3086/22 · Nav aids2022-11-30 → 2022-12-04Hywind tampen floating offshore wind farm turbines unlit in: a. 61-19.10N 002-15.30E
- HYDROLANT 3056/22 · Nav aids2022-11-27 → 2022-11-30Hywind tampen floating offshore wind farm turbines unlit in: a. 61-22.10N 002-15.20E
- HYDROLANT 2924/22 · Nav aids2022-11-15 → 2022-12-26Fog signal at platform magnus 211/12 61-37.20N 001-18.40E inoperative
- HYDROARC 363/22 · Missiles2022-11-12 → 2022-11-23Hazardous operations, rocket launching 1645Z to 2145Z daily 16 thru 30 nov in areas bound by: a. 69-22.70N…
- HYDROLANT 2889/22 · Nav aids2022-11-12 → 2022-11-15All navigational aids at platform magnus 211/12 61-37.20N 001-18.40E inoperative
- HYDROARC 353/22 · Missiles2022-11-07 → 2022-11-09Hazardous operations, rocket launching 1000Z to 1500Z daily 09 thru 11 nov in area bound by 70-40.10N…
- HYDROARC 324/22 · Surveys2022-10-17 → 2022-10-30Scientific moorings, top float least depth ten meters established in: a. 76-27.00N 015-32.00E
- HYDROLANT 2565/22 · Nav aids2022-10-09 → 2022-10-19All turbines at hywind tampen floating offshore wind farm 61-20.10N 002-15.50E unlit
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.