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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26
By month (all years)
J
F
M
A
M
J
J
A
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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 213/23 · Exercises2023-09-12 → 2023-09-15Hazardous operations 1600Z to 0200Z daily 13 and 14 sep in area bound by 69-04.00N 015-40.00E, 69-09.00N…
- HYDROPAC 2911/23 · Missiles2023-09-10 → 2023-09-13Missile operations 1400Z to 0800Z daily 14 thru 19 sep in area bound by 65-28.00N 179-20.00W, 65-28.00N…
- HYDROARC 198/23 · Debris2023-09-04 → 2023-09-05Yellow buoy with 300 meter long cable adrift in vicinity 65-06.50N 006-18.80E at 030830Z sep
- HYDROARC 190/23 · Exercises2023-08-29 → 2023-09-07Hazardous operations 0800Z to 1800Z daily 30 aug thru 08 sep in areas bound by: a. 69-31.50N 016-45.00E,…
- HYDROARC 170/23 · Surveys2023-08-17 → 2023-09-04Survey operations in progress until further notice by M/V ramform victory towing nine six mile long cables…
- HYDROLANT 1767/23 · Surveys2023-08-09 → 2023-09-02Survey operations 10 aug thru 01 sep by M/V oceanic vega towing cables in area bound by 66-29.40N…
- HYDROARC 158/23 · Surveys2023-08-09 → 2023-09-02Survey operations 10 aug thru 01 sep by M/V oceanic vega towing cables in area bound by 66-29.40N…
- HYDROARC 153/23 · Missiles2023-08-06 → 2023-08-15Hazardous operations, rocket launching 0500Z to 1800Z daily 11 thru 15 aug in area bound by 75-45.00N…
- HYDROLANT 1604/23 · Surveys2023-07-16 → 2023-09-18Survey operations 17 jul until further notice by M/V ramform vanguard towing 17 4200 meter long cables in…
- HYDROARC 126/23 · Surveys2023-07-08 → 2023-08-03Survey operations in progress until 022359Z aug by M/V ramform victory towing nine six mile long cables in…
- HYDROARC 125/23 · Surveys2023-07-08 → 2023-09-06Survey operations in progress until further notice by M/V ramform hyperion towing 14 six mile long cables in…
- HYDROARC 120/23 · Surveys2023-06-29 → 2023-07-08Survey operations until further notice by M/V ramform hyperion towing 14 six mile long cables, M/V thor…
- HYDROLANT 1346/23 · Surveys2023-06-17 → 2023-06-25Survey operations in progress until further notice by M/V sw amundsen towing 2800 meter long cable in area…
- HYDROARC 104/23 · Surveys2023-06-10 → 2023-09-04Survey operations in progress until further notice by M/V ramform atlas towing 14 11000 meter long cables in…
- HYDROLANT 1286/23 · Surveys2023-06-10 → 2023-09-04Survey operations in progress until further notice by M/V ramform atlas towing 14 11000 meter long cables in…
- HYDROARC 100/23 · Missiles2023-06-06 → 2023-06-07Hazardous operations, rocket launching 061900Z to 110001Z jun in area bound by 70-23.0N 004-10.0E, 68-30.0N…
- HYDROARC 96/23 · Missiles2023-05-31 → 2023-06-06Hazardous operations, rocket launching in progress until 11 jun in area bound by: 70-23.00N 003-07.00E,…
- HYDROLANT 1112/23 · Surveys2023-05-21 → 2023-07-06Survey operations in progress until further notice by M/V sw vespucci in area bound by 61-17.10N 001-59.50E,…
- HYDROARC 79/23 · Surveys2023-05-11 → 2023-06-25Survey operations 16 may thru 24 jun by M/V ramform hyperion towing 14 six mile long cables, M/V thor omega…
- HYDROARC 75/23 · Missiles2023-05-06 → 2023-05-11Hazardous operations, rocket launching 1800Z to 0200Z daily 08 thru 13 may in areas bound by: a. 70-43.29N…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.