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
14
archive messages
640
categories
9

What the archive shows

640 messages are recorded since 1984-07-27 for the The Coastal Waters of Southeast Alaska and British Columbia. The selection uses the IHO sea area; a message may describe an exercise, equipment outage or continuing operation as well as a hazard report.

Spills accounts for 351 of 640 recorded messages (55%), 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.

In force now · 1

  1. NOAAORR-11221 · Spills2026-09-21
    An overturned hydrogen tank truck in Bellingham, Washington, on September 21, 2026, poses a chemical threat with no obvious leak, and modeling is requested.

Longest in force

  1. NOAAORR-11221 · Spills2026-09-21
    An overturned hydrogen tank truck in Bellingham, Washington, on September 21, 2026, poses a chemical threat with no obvious leak, and modeling is requested.

By year

84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
00
01
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

Spills35155%
Nav aids25239%
Other234%
Quakes51%
Surveys41%
Cable ops20%
Towing10%
Wrecks10%
Derelicts10%

Archive · 639 cancelled

  1. NAVAREA XII 461/11 · Nav aids2011-12-31 → 2012-01-01
    Alaska-southeast Coast
  2. NAVAREA XII 457/11 · Nav aids2011-12-26 → 2011-12-27
    Alaska-southeast Coast
  3. NAVAREA XII 439/11 · Nav aids2011-12-06 → 2011-12-06
    Nos chart 17320 (18TH ed)
  4. NAVAREA XII 433/11 · Nav aids2011-11-27 → 2011-11-28
    Nga chart 16016 (21ST ed)
  5. NAVAREA XII 401/11 · Nav aids2011-10-28 → 2011-10-28
    Nga chart 16016 (21ST ed)
  6. NAVAREA XII 383/11 · Nav aids2011-10-17 → 2011-10-20
    Nos chart 16016 (21ST ed)
  7. NOAAORR-8368 · Spills2011-10-14 → 2011-10-28
    Alki point, washington
  8. NAVAREA XII 358/11 · Nav aids2011-09-28 → 2011-09-29
    Nos chart 16016 (21ST ed)
  9. NAVAREA XII 336/11 · Nav aids2011-09-09 → 2011-09-10
    Nos chart 16016 (21ST ed)
  10. NAVAREA XII 252/11 · Nav aids2011-07-03 → 2011-07-04
    Nos chart 16016 (21ST ed)
  11. NAVAREA XII 200/11 · Nav aids2011-05-18 → 2011-05-19
    Nos chart 16016 (21ST ed)
  12. NAVAREA XII 196/11 · Nav aids2011-05-14 → 2011-05-18
    Nos chart 16016 (21ST ed)
  13. NAVAREA XII 75/11 · Nav aids2011-03-01 → 2011-03-04
    Nos chart 16016 (21ST ed)
  14. NAVAREA XII 49/11 · Nav aids2011-02-11 → 2011-02-15
    Nga chart 17320 (18TH ed)
  15. NAVAREA XII 456/10 · Nav aids2010-11-12 → 2010-11-13
    Nos chart 16016 (21ST ed)
  16. NAVAREA XII 423/10 · Nav aids2010-10-12 → 2010-10-15
    Nos chart 16016 (21ST ed)
  17. NAVAREA XII 419/10 · Nav aids2010-10-11 → 2010-10-12
    Nga chart 16016 (21ST ed)
  18. NAVAREA XII 413/10 · Nav aids2010-10-06 → 2010-10-07
    Nos chart 16016 (21ST ed)
  19. NAVAREA XII 351/10 · Nav aids2010-08-08 → 2010-08-12
    Nos chart 17320 (18TH ed)
  20. NAVAREA XII 324/10 · Nav aids2010-07-19 → 2010-07-20
    Nos chart 16016 (21ST 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.

The Coastal Waters of Southeast Alaska and British Columbia — navigational warnings — archive page 19 · seahazards