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
- NAVAREA XII 386/11 · Nav aids2011-10-20 → 2011-10-20Nos chart 16011 (37TH ed)
- NAVAREA XII 379/11 · Nav aids2011-10-15 → 2011-10-18Nga chart 16011 (37TH ed)
- NAVAREA XII 377/11 · Nav aids2011-10-14 → 2011-10-15Nga chart 16580 (14TH ed)
- NAVAREA XII 375/11 · Nav aids2011-10-11 → 2011-10-12Nos chart 16011 (37TH ed)
- NAVAREA XII 360/11 · Nav aids2011-09-29 → 2011-10-01Nga chart 16011 (37TH ed)
- NAVAREA XII 357/11 · Missiles2011-09-27 → 2011-09-30Hazardous operations 1540Z to 1800Z daily 27 sep thru 03 oct in areas bound by: a. 57-29.040N 152-16.970W,…
- NAVAREA XII 339/11 · Nav aids2011-09-12 → 2011-09-13Nga chart 16580 (14TH ed)
- NAVAREA XII 332/11 · Nav aids2011-09-08 → 2011-09-09Nos chart 16011 (37TH ed)
- NAVAREA XII 326/11 · Nav aids2011-09-02 → 2011-09-02Nos chart 16011 (37TH ed)
- NAVAREA XII 319/11 · Nav aids2011-08-28 → 2011-08-31Nos chart 16011 (37TH ed)
- NAVAREA XII 301/11 · Nav aids2011-08-14 → 2011-08-14Nos chart 16011 (37TH ed)
- NAVAREA XII 280/11 · Nav aids2011-07-29 → 2011-08-05Nos chart 16011 (37TH ed)
- USGS-USP000J5C4 · Quakes2011-07-23 → 2011-07-2682 km ssw of sand point, alaska
- NAVAREA XII 270/11 · Nav aids2011-07-19 → 2011-07-19Nos chart 16011 (37TH ed)
- NAVAREA XII 268/11 · Nav aids2011-07-17 → 2011-07-21Nos chart 16011 (37TH ed)
- USGS-USP000J51F · Quakes2011-07-16 → 2011-07-1972 km ese of king cove, alaska
- NAVAREA XII 263/11 · Exercises2011-07-12 → 2011-07-17Gunnery exercises: a. 142100Z to 150300Z jul in 59-26N 147-45W
- NAVAREA XII 261/11 · Nav aids2011-07-10 → 2011-07-14Nos chart 16580 (14TH ed)
- NOAAORR-8331 · Spills2011-07-07 → 2011-07-21Puget pt, nw gulf of alaska
- NAVAREA XII 241/11 · Nav aids2011-06-20 → 2011-06-21Nos chart 16580 (14TH 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.