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
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09
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By month (all years)
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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% |
| Derelicts | 1 | 0% |
| Mines | 1 | 0% |
| Icebergs | 1 | 0% |
Archive · 496 cancelled
- HYDROLANT 1881/21 · Surveys2021-07-18 → 2021-08-27Survey operations in progress until further notice by M/V ramform sovereign towing 12 3600 meter long cables…
- HYDROARC 123/21 · Exercises2021-07-03 → 2021-07-09Hazardous operations 1800Z to 0100Z daily 05 thru 14 jul in area bound by a. 69-06.0N 015-38.3E, 69-07.0N…
- HYDROARC 120/21 · Exercises2021-06-30 → 2021-07-10Hazardous operations 302100Z jun thru 102100Z jul in areas bound by: a. 71-40N 003-00E, 71-40N 007-00E,…
- HYDROLANT 1574/21 · Surveys2021-06-12 → 2021-10-13Survey operations in progress until further notice by M/V sw amundsen towing 12 8000 meter long cables in…
- HYDROLANT 1519/21 · Surveys2021-06-06 → 2021-07-07Survey operations in progress until further notice by M/V ramform sovereign towing ten 4600 meter long…
- HYDROARC 88/21 · Exercises2021-05-30 → 2021-06-03Hazardous operations 1600Z to 2200Z daily 31 may thru 03 jun in areas bound by: a. 69-13.00N 013-57.00E,…
- HYDROARC 83/21 · Exercises2021-05-25 → 2021-05-29Hazardous operations 0300Z to 1900Z daily 27 thru 29 may in area bound by 71-30N 020-30E, 73-30N 020-30E,…
- HYDROARC 81/21 · Missiles2021-05-23 → 2021-05-27Hazardous operations, rocket launching 1600Z to 2200Z daily 26 and 27 may in area bound by 69-01.5N…
- HYDROLANT 1375/21 · Surveys2021-05-22 → 2021-05-28Survey operations in progress until further notice by M/V akademik lazarev towing 13000 meter long cable in…
- HYDROARC 72/21 · Cable ops2021-05-06 → 2021-06-19Cable operations 080600Z may thru 282359Z jun by cableship ile de batz in vicinity of trackline joining…
- HYDROARC 70/21 · Exercises2021-05-02 → 2021-05-08Hazardous operations 1900Z to 0200Z daily 03 thru 12 may in areas bound by: a. 69-55.0N 013-53.0E, 69-16.0N…
- HYDROLANT 1156/21 · Surveys2021-04-27 → 2021-06-12Survey operations in progress until further notice by M/V sw amundsen towing 12 8000 meter long cables in…
- HYDROARC 51/21 · Exercises2021-04-13 → 2021-04-14Hazardous operations 0600Z to 1500Z daily 13 and 14 apr in area bound by 72-40N 015-00E, 72-40N 030-00E,…
- HYDROLANT 932/21 · Derelicts2021-04-05 → 2021-04-08Derelict M/V eemslift hendrika adrift in vicinity 63-07N 003-39E at 051620Z apr
- HYDROLANT 704/21 · Nav aids2021-03-12 → 2021-05-28All navigational aids at platform 211/18-A 61-21.8N 001-34.8E inoperative
- HYDROLANT 268/21 · Nav aids2021-01-29 → 2021-03-12All navigational aids at platform 211/18-A 61-21.8N 001-34.8E inoperative
- HYDROLANT 3907/20 · Nav aids2020-12-18 → 2021-01-29All navigational aids at platform 211/18-A 61-21.8N 001-34.8E inoperative
- USGS-US7000CR1R · Quakes2020-12-14 → 2020-12-17Earthquake magnitude 5.8 (mww) in 72.235N 000.742E, depth 10 km at 141935Z dec 20
- USGS-US7000C8FY · Quakes2020-10-30 → 2020-11-02206 km ene of olonkinbyen, svalbard and jan mayen
- HYDROARC 162/20 · Exercises2020-08-28 → 2020-09-08Hazardous operations: a. 051900Z to 080200Z sep in area bound by 69-00.0N 012-18.0E, 70-17.0N 016-15.5E,…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.