Gulf of Alaska

IHO sea area 58 · -163° to -137° E, 54° to 62° N

in force
2
last 12 months
1
since 1999
388
categories
6

In force now · 2

  1. NAVAREA XII 718/25 · Nav aids2025-11-13
    Weather fax services are off air at Kodiak, Alaska; NAVAREA XII 460/24 is canceled.
  2. NAVAREA XII 259/25 · Nav aids2025-05-05
    At Kodiak, Alaska (57-46N 152-34W), U.S. Coast Guard high-frequency and digital selective calling services are unreliable.

Longest in force

  1. NAVAREA XII 259/25 · Nav aids2025-05-05
    At Kodiak, Alaska (57-46N 152-34W), U.S. Coast Guard high-frequency and digital selective calling services are unreliable.
  2. NAVAREA XII 718/25 · Nav aids2025-11-13
    Weather fax services are off air at Kodiak, Alaska; NAVAREA XII 460/24 is canceled.

By year

99
01
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25

By month (all years)

J
F
M
A
M
J
J
A
S
O
N
D

By category · since 1997

Nav aids31982%
Other4311%
Exercises174%
Cable ops62%
Derelicts21%
Missiles10%

Archive · 386 cancelled

  1. NAVAREA XII 255/18 · Nav aids2018-06-27 → 2018-06-28
    Kodiak dgps station 57-37.1N 152-11.6W unusable
  2. NAVAREA XII 252/18 · Nav aids2018-06-26 → 2018-06-26
    NAVTEX and vobra broadcast services at uscg remote communication facility kodiak (jx) 57-46.6N 152-31.7W off…
  3. NAVAREA XII 91/18 · Nav aids2018-02-27 → 2018-02-28
    Kodiak dgps station 57-37.1N 152-11.6W unreliable
  4. NAVAREA XII 83/18 · Nav aids2018-02-20 → 2018-02-27
    Kodiak dgps station 57-37.1N 152-11.6W unreliable
  5. NAVAREA XII 52/18 · Nav aids2018-01-26 → 2018-02-20
    Kodiak dgps station 57-37.1N 152-11.6W unreliable
  6. NAVAREA XII 33/18 · Nav aids2018-01-23 → 2018-01-25
    Kodiak dgps station 57-37.1N 152-11.6W unreliable
  7. NAVAREA XII 28/18 · Nav aids2018-01-19 → 2018-01-19
    Kodiak dgps station 57-37.1N 152-11.6W unreliable
  8. NAVAREA XII 25/18 · Nav aids2018-01-18 → 2018-01-18
    Kodiak dgps station 57-37.1N 152-11.6W unreliable
  9. NAVAREA XII 19/18 · Nav aids2018-01-14 → 2018-01-18
    Kodiak dgps station 57-37.1N 152-11.6W unreliable
  10. NAVAREA XII 6/18 · Nav aids2018-01-05 → 2018-01-10
    Kodiak dgps station 57-37.1N 152-11.6W unusable 101730Z to 101930Z jan
  11. NAVAREA XII 534/17 · Nav aids2017-11-24 → 2017-11-24
    Kodiak dgps station 57-37.1N 152-11.6W unreliable
  12. NAVAREA XII 523/17 · Nav aids2017-11-20 → 2017-11-20
    Kodiak dgps station 57-37.1N 152-11.6W unreliable
  13. NAVAREA XII 309/17 · Nav aids2017-07-14 → 2017-07-14
    Kodiak dgps station 57-37.1N 152-11.6W unreliable
  14. NAVAREA XII 306/17 · Nav aids2017-07-13 → 2017-07-13
    Kodiak dgps station 57-37.1N 152-11.6W unusable
  15. NAVAREA XII 295/17 · Exercises2017-07-05 → 2017-07-11
    Hazardous operations 100300Z to 100930Z jul, alternate 0300Z to 0930Z daily 11 thru 13 jul in areas bound…
  16. NAVAREA XII 248/17 · Nav aids2017-06-04 → 2017-06-04
    Kodiak dgps station 57-37.1N 152-11.6W unreliable
  17. NAVAREA XII 241/17 · Nav aids2017-06-01 → 2017-06-06
    Kodiak dgps station 57-37.1N 152-11.6W unusable 061730Z to 062230Z jun
  18. NAVAREA XII 180/17 · Nav aids2017-05-01 → 2017-05-02
    Kodiak dgps station 57-37.1N 152-11.6W unusable
  19. NAVAREA XII 128/17 · Nav aids2017-03-19 → 2017-03-19
    Kodiak dgps station 57-37.1N 152-11.6W at reduced power
  20. NAVAREA XII 127/17 · Nav aids2017-03-19 → 2017-03-19
    Kodiak dgps station 57-37.1N 152-11.6W unreliable 1900Z to 2200Z daily 21 and 22 mar

Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.