The Coastal Waters of Southeast Alaska and British Columbia

IHO sea area 59 · -137° to -122° E, 47° to 59° N

in force
1
last 12 months
1
since 2006
287
categories
7

In force now · 1

  1. NAVAREA XII 429/26 · Nav aids2026-06-16
    At Point Higgins, Alaska, 55-27N 131-49W, U.S. Coast Guard communication facility transmit and receive services are off air.

Longest in force

  1. NAVAREA XII 429/26 · Nav aids2026-06-16
    At Point Higgins, Alaska, 55-27N 131-49W, U.S. Coast Guard communication facility transmit and receive services are off air.

By year

06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
26

By month (all years)

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

By category · since 1997

Nav aids25288%
Other269%
Surveys41%
Cable ops21%
Towing10%
Wrecks10%
Derelicts10%

Archive · 286 cancelled

  1. NAVAREA XII 546/17 · Nav aids2017-12-02 → 2017-12-04
    Gustavus dgps station 58-25.1N 135-41.8W unusable
  2. NAVAREA XII 540/17 · Nav aids2017-11-28 → 2017-12-07
    Gustavus dgps station 58-25.1N 135-41.8W inoperative from 061800Z to 070200Z dec
  3. NAVAREA XII 522/17 · Nav aids2017-11-18 → 2017-11-20
    Biorka dgps station 56-51.3N 135-32.4W unusable
  4. NAVAREA XII 520/17 · Nav aids2017-11-18 → 2017-12-01
    Gustavus dgps station 58-25.1N 135-41.8W unusable
  5. NAVAREA XII 486/17 · Nav aids2017-10-30 → 2017-11-01
    Biorka dgps station 56-51.3N 135-32.4W unreliable
  6. NAVAREA XII 451/17 · Nav aids2017-10-12 → 2017-10-13
    GPS unreliable 16 oct thru 18 nov in area within 96 miles of 47-43.8N 122-43.8W
  7. NAVAREA XII 430/17 · Nav aids2017-09-24 → 2017-11-01
    Gustavus dgps station 58-25.1N 135-41.8W unusable
  8. NAVAREA XII 415/17 · Nav aids2017-09-17 → 2017-09-21
    Gustavus dgps station 58-25.1N 135-41.8W at reduced power
  9. NAVAREA XII 392/17 · Nav aids2017-09-08 → 2017-09-09
    Annette island dgps station 55-04.1N 131-36.0W unreliable
  10. NAVAREA XII 386/17 · Nav aids2017-09-05 → 2017-09-15
    Gustavus dgps station 58-25.1N 135-41.8W unusable
  11. NAVAREA XII 379/17 · Nav aids2017-09-02 → 2017-09-09
    Biorka dgps station 56-51.3N 135-32.4W unusable 071600Z to 091600Z sep
  12. NAVAREA XII 376/17 · Nav aids2017-09-01 → 2017-09-01
    Annette island dgps station 55-04.1N 131-36.0W unusable
  13. NAVAREA XII 367/17 · Nav aids2017-08-29 → 2017-08-29
    Gustavus dgps station 58-25.1N 135-41.8W unreliable
  14. NAVAREA XII 357/17 · Nav aids2017-08-24 → 2017-08-29
    Biorka dgps station 56-51.3N 135-32.4W off air 281900Z to 290300Z aug
  15. NAVAREA XII 332/17 · Nav aids2017-08-04 → 2017-08-04
    Gustavus dgps station 58-25.1N 135-41.8W unusable
  16. NAVAREA XII 304/17 · Nav aids2017-07-13 → 2017-07-13
    Biorka dgps station 56-51.3N 135-32.4W unreliable
  17. NAVAREA XII 286/17 · Nav aids2017-06-27 → 2017-06-27
    Gustavus dgps station 58-25.1N 135-41.8W at reduced power
  18. NAVAREA XII 263/17 · Nav aids2017-06-14 → 2017-06-22
    Gustavus dgps station 58-25.1N 135-41.8W unusable
  19. NAVAREA XII 214/17 · Nav aids2017-05-12 → 2017-05-17
    Gustavus dgps station 58-25.1N 135-41.8W at reduced power
  20. NAVAREA XII 211/17 · Nav aids2017-05-11 → 2017-05-11
    Annette island dgps station 55-04.1N 131-36.0W inoperative

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