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 29/08 · Nav aids2008-01-28 → 2008-01-30
    Nga chart 17434 (13TH ed)
  2. NAVAREA XII 315/07 · Nav aids2007-11-16 → 2007-11-22
    Nga chart 17300 (31ST ed)
  3. NAVAREA XII 300/07 · Nav aids2007-11-07 → 2007-11-07
    Nga chart 17300 (31ST ed)
  4. NAVAREA XII 183/07 · Surveys2007-07-31 → 2007-10-11
    Survey operations 10 aug thru 10 oct by M/V davidson, M/V R2, M/V D2, and M/V ua in area bound by 58-00.606N…
  5. NAVAREA XII 219/06 · Nav aids2006-08-29 → 2006-08-31
    Level island dgps station 56-28.1N 133-04.8W off air 311800Z to 312000Z aug
  6. NAVAREA XII 59/06 · Nav aids2006-03-07 → 2006-03-08
    Level island dgps station 56-28.1N 133-04.8W at reduced power

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