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
By month (all years)
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% |
Ports on this sea · 6
Busiest first by annual vessel calls (IMF PortWatch); each port page shows the warnings within 60 nm, its World Port Index profile and monthly port calls.
- Florø · Norway19 archived
- Måløy · Norway14 archived
- Finnsnes · Norway23 archived
- Norway - Offshore Oil Terminal 4 · Norway1 in force
- Norway - Offshore Oil Terminal 5 · Norway1 in force
- Norway - Offshore Oil Terminal 1 · Norway30 archived
Archive · 496 cancelled
- HYDROARC 247/26 · Missiles2026-09-20 → 2026-09-23Norway conducts rocket launches in the Norwegian Sea from 0700 to 1500 daily from September 21 to 25 in a bounded area.
- NAVAREA 19 118/26 · Missiles2026-09-19 → 2026-09-180700 - 1500 UTC daily from 21 to 25 sept 26
- HYDROARC 232/26 · Missiles2026-09-13 → 2026-09-14Norway warns of hazardous rocket-launching operations in the Norwegian Sea from 1800 to 0300 UTC daily, 14 through 19 September.
- HYDROARC 222/26 · Nav aids2026-09-08 → 2026-09-09GPS jamming exercises occur in the Norwegian Sea near Norway from September 9 to 18, with extended hours on September 15 and 16.
- NAVAREA 19 111/26 · Nav aids2026-09-08 → 2026-09-04A GPS jamming exercise in the Norwegian Sea from 9 to 18 September 2026 may cause GNSS degradation; mariners should use alternative navigation.
- NAVAREA 19 107/26 · Surveys2026-08-29 → 2026-08-28Correct at 290630 UTC aug 26 norwegian sea: north of 65N, east of 5W
- NAVAREA 19 106/26 · Cable ops2026-08-28 → 2026-08-28Seismic survey in Norwegian Sea by vessel Amazon Conqueror towing 12 long cables; wide berth requested: 3 miles ahead/abeam, 7 miles astern.
- HYDROLANT 1691/26 · Surveys2026-08-28 → 2026-08-28Survey operations in Norwegian Sea by the vessel Amazon Conqueror towing 12 cables of 10000 meters, requesting a 7-mile berth, until further notice.
- NAVAREA 19 103/26 · Surveys2026-08-24 → 2026-08-21Drilling rigs listed in Norwegian Sea north of 65N east of 5W as of August 26, with safety zones; previous warning cancelled.
- NAVAREA 19 100/26 · Surveys2026-08-09 → 2026-08-24Rig list for Norwegian Sea north of 65N, east of 5W lists four rigs with 500 metre safety zones at 091830 UTC August 26.
- HYDROLANT 1297/26 · Surveys2026-07-03 → 2026-09-08Survey operations are in progress by vessel Ramform Atlas towing long cables in the North Sea off Norway; a three-mile berth is requested.
- USGS-US6000RMWV · Quakes2025-11-12 → 2025-11-15Earthquake magnitude 5.7 (mww) in 73.188N 006.477E, depth 10 km at 120603Z nov 25
- HYDROARC 70/24 · Missiles2024-05-03 → 2024-05-09Hazardous operations, rocket launching 1600Z to 0200Z daily 06 thru 08 may in area bound by 69-04.00N…
- HYDROARC 64/24 · Surveys2024-04-26 → 2026-08-14Survey operations in Norwegian Sea continue indefinitely, vessel towing 14 six-mile-long cables, seven-mile berth requested.
- HYDROLANT 866/24 · Other2024-04-23 → 2024-05-11Naval operations 290001 apr to 102359 may in area bound by 60-00.00N 023-00.00W, 60-00.00N 005-00.00E,…
- HYDROARC 60/24 · Other2024-04-23 → 2024-05-11Naval operations 290001 apr to 102359 may in area bound by 60-00.00N 023-00.00W, 60-00.00N 005-00.00E,…
- HYDROARC 24/24 · Missiles2024-02-27 → 2024-03-01Hazardous operations, rocket launching 291245Z to 291500Z feb, alternate 010745Z to 011500Z mar in area…
- USGS-US7000LIRE · Quakes2023-12-13 → 2023-12-16Earthquake magnitude 5.5 (mww) in 72.585N 003.586E, depth 10 km at 132020Z dec 23
- HYDROARC 289/23 · Missiles2023-11-11 → 2023-11-13Hazardous operations, rocket launching 0815Z to 1330Z daily 13 thru 26 nov in area bound by 69-17.50N…
- HYDROPAC 2932/23 · Missiles2023-09-13 → 2023-09-20Missile operations 1400Z to 0800Z daily 14 thru 24 sep in area bound by 65-28-00N 179-20-00W, 65-28-00N…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.