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
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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
- HYDROARC 246/22 · Missiles2022-08-29 → 2022-09-02Hazardous operations, rocket launching 1600Z to 2300Z daily 29 aug thru 03 sep in areas bound by: a.…
- HYDROARC 238/22 · Missiles2022-08-25 → 2022-08-27Hazardous operations, rocket launching 1600Z to 2300Z daily 24 aug thru 03 sep in areas bound by: a.…
- HYDROLANT 2099/22 · Surveys2022-08-25 → 2022-09-26Survey operations in progress until 30 sep by M/V pxgeo 2 towing eight 9000 meter long cables in area bound…
- HYDROARC 227/22 · Nav aids2022-08-20 → 2022-09-04Platform heidrun 65-19.53N 007-18.95E unlit until 16 sep
- HYDROARC 208/22 · Missiles2022-08-16 → 2022-08-19Hazardous operations
- HYDROARC 206/22 · Missiles2022-08-15 → 2022-08-16Hazardous operations
- HYDROARC 201/22 · Surveys2022-08-13 → 2022-09-14Survey operation in progress until further notice by M/V ramform hyperion towing 14 six mile long cables in…
- HYDROLANT 2006/22 · Surveys2022-08-13 → 2022-09-14Survey operation in progress until further notice by M/V ramform hyperion towing 14 six mile long cables in…
- HYDROLANT 1970/22 · Other2022-08-08 → 2022-09-07Sub-surface mooring, least depth 38 meters, temporarily established in 62-01.60N 001-26.00E
- HYDROLANT 1848/22 · Surveys2022-07-25 → 2022-08-29Survey operations in progress until further notice by M/V amazon conqueror towing 14 8700 meter long cables…
- HYDROPAC 1969/22 · Cable ops2022-07-19 → 2022-10-14Cable operations 25 jul thru 30 oct by M/V nusantara explorer along trackline joining 52-59.18N 158-50.53E,…
- HYDROARC 142/22 · Surveys2022-07-04 → 2022-08-12Survey operations 05 jul until further notice by M/V ramform vanguard towing 12 4050 meter long cables in…
- HYDROARC 141/22 · Surveys2022-07-02 → 2022-08-07Survey operations in progress until further notice by M/V ramform atlas towing 15 six mile long cables in…
- HYDROLANT 1680/22 · Surveys2022-07-02 → 2022-07-08Survey operations in progress until further notice by M/V ramform atlas towing 15 six mile long cables in…
- HYDROARC 133/22 · Exercises2022-06-24 → 2022-06-30Hazardous operations 1500Z to 2000Z daily 27 jun thru 01 jul in area bound by 69-07.00N 015-37.00E,…
- HYDROARC 127/22 · Missiles2022-06-19 → 2022-06-26Hazardous operations, rocket launching 0200Z to 0900Z daily 20 thru 30 jun in areas bound by: a. 69-17.20N…
- HYDROLANT 1477/22 · Exercises2022-06-08 → 2022-06-27Hazardous operations 130001Z to 262359Z jun in area bound by 65-30.00N 013-00.00W, 65-30.00N 007-00.00E,…
- HYDROLANT 1415/22 · Surveys2022-05-29 → 2022-07-01Survey operations 01 jun until further notice by M/V ramform vanguard towing 12 5000 meter long cables in…
- HYDROARC 101/22 · Surveys2022-05-22 → 2022-07-02Survey operations in progress until further notice by M/V ramform atlas towing 15 six mile long cables in…
- HYDROLANT 1325/22 · Surveys2022-05-20 → 2022-07-25Survey operations in progress until further notice by M/V amazon conqueror towing 14 8000 meter long cables…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.