Gulf of Alaska
IHO sea area 58 · -163° to -137° E, 54° to 62° N
- in force
- 2
- last 12 months
- 14
- archive messages
- 666
- categories
- 10
What the archive shows
666 messages are recorded since 1985-02-25 for the Gulf of Alaska. The selection uses the IHO sea area; a message may describe an exercise, equipment outage or continuing operation as well as a hazard report.
Nav aids accounts for 323 of 666 recorded messages (48%), 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 2025-11-13 21:05ZWeather fax services are off air at Kodiak, Alaska; NAVAREA XII 460/24 is canceled.
In force now · 2
- NOAAORR-11227 · Spills2026-09-28The 91-foot fishing vessel Rolfy sank at I-Dock in Seward Harbor, Alaska, on September 28, 2026, posing an oil threat as salvage crews prepare to refloat it.
- NAVAREA XII 718/25 · Nav aids2025-11-13Weather fax services are off air at Kodiak, Alaska; NAVAREA XII 460/24 is canceled.
Longest in force
- NAVAREA XII 718/25 · Nav aids2025-11-13Weather fax services are off air at Kodiak, Alaska; NAVAREA XII 460/24 is canceled.
- NOAAORR-11227 · Spills2026-09-28The 91-foot fishing vessel Rolfy sank at I-Dock in Seward Harbor, Alaska, on September 28, 2026, posing an oil threat as salvage crews prepare to refloat it.
By year
85
86
87
88
89
90
91
92
93
94
95
97
98
99
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
By month (all years)
J
F
M
A
M
J
J
A
S
O
N
D
By category · available archive
| Nav aids | 323 | 48% |
| Spills | 191 | 29% |
| Quakes | 86 | 13% |
| Other | 33 | 5% |
| Exercises | 17 | 3% |
| Cable ops | 6 | 1% |
| Incidents | 4 | 1% |
| Debris | 3 | 0% |
| Derelicts | 2 | 0% |
| Missiles | 1 | 0% |
Archive · 664 cancelled
- NOAAORR-8283 · Spills2011-01-25 → 2011-02-08Latouche isl, pws, alaska
- NAVAREA XII 24/11 · Nav aids2011-01-22 → 2011-01-23Nos chart 16580 (14TH ed)
- NAVAREA XII 22/11 · Nav aids2011-01-21 → 2011-01-22Nos chart 16580 (14TH ed)
- NAVAREA XII 17/11 · Nav aids2011-01-19 → 2011-01-23Nos chart 16011 (37TH ed)
- NAVAREA XII 493/10 · Nav aids2010-12-30 → 2010-12-31Nos chart 16580 (14TH ed)
- NAVAREA XII 491/10 · Nav aids2010-12-24 → 2010-12-31Nos chart 16011 (37TH ed)
- NAVAREA XII 487/10 · Nav aids2010-12-20 → 2010-12-21Nos chart 16580 (14TH ed)
- NAVAREA XII 443/10 · Nav aids2010-10-31 → 2010-11-06Nos chart 16011 (37TH ed)
- NAVAREA XII 441/10 · Nav aids2010-10-30 → 2010-11-01Nos chart 16011 (37TH ed)
- NAVAREA XII 417/10 · Nav aids2010-10-10 → 2010-10-12Nos chart 16580 (14TH ed)
- NAVAREA XII 402/10 · Nav aids2010-09-28 → 2010-10-02Nos chart 16580 (14TH ed)
- NAVAREA XII 380/10 · Nav aids2010-09-11 → 2010-09-14Nos chart 16580 (14TH ed)
- NAVAREA XII 375/10 · Exercises2010-09-06 → 2010-09-08Gunnery exercises 081500Z to 082200Z sep within ten miles of 57-30N 150-55W
- NAVAREA XII 359/10 · Nav aids2010-08-15 → 2010-08-15Nos chart 16011 (37TH ed)
- NAVAREA XII 354/10 · Nav aids2010-08-11 → 2010-08-13Nos chart 16011 (37TH ed)
- NOAAORR-8239 · Spills2010-07-26 → 2010-08-09Main bay, ak
- NAVAREA XII 331/10 · Nav aids2010-07-24 → 2010-07-24Nos chart 16580 (14TH ed)
- NAVAREA XII 264/10 · Nav aids2010-06-12 → 2010-06-15Nos chart 16580 (14TH ed)
- NAVAREA XII 225/10 · Nav aids2010-05-19 → 2010-05-19Nos chart 16580 (14TH ed)
- NAVAREA XII 179/10 · Nav aids2010-04-17 → 2010-04-18Nos chart 16011 (37TH ed)
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.