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.
- An older warning still listed in force · issued 2026-09-21 00:00ZAn overturned hydrogen tank truck in Bellingham, Washington, on September 21, 2026, poses a chemical threat with no obvious leak, and modeling is requested.
In force now · 1
Longest in force
By year
By month (all years)
By category · available archive
| Spills | 351 | 55% |
| Nav aids | 252 | 39% |
| Other | 23 | 4% |
| Quakes | 5 | 1% |
| Surveys | 4 | 1% |
| Cable ops | 2 | 0% |
| Wrecks | 1 | 0% |
| Towing | 1 | 0% |
| Derelicts | 1 | 0% |
Archive · 639 cancelled
- NAVAREA XII 281/12 · Quakes2012-10-28 → 2012-10-28Tsunami warning
- NAVAREA XII 280/12 · Quakes2012-10-28 → 2012-10-28Tsunami warning
- NOAAORR-8511 · Spills2012-09-24 → 2012-10-08Swinomish channel, wa
- NOAAORR-8504 · Spills2012-08-31 → 2012-09-14Fisherman's terminal, seattle
- NOAAORR-8485 · Spills2012-07-29 → 2012-08-12Prince of wales bay, se alaska
- NOAAORR-8484 · Spills2012-07-27 → 2012-08-10Cape chacon, se alaska
- NAVAREA XII 162/12 · Other2012-06-21 → 2012-06-22Pyrotechnics exercises 221500Z to 221700Z jun vicinity 58-23.0N 134-38.9W
- NAVAREA XII 135/12 · Nav aids2012-05-17 → 2012-05-18Alaska-southeast Coast
- HYDROPAC 1392/12 · Nav aids2012-05-17 → 2012-05-17Alaska-southeast Coast
- NAVAREA XII 130/12 · Nav aids2012-05-14 → 2012-05-15Alaska-southeast Coast
- NOAAORR-8446 · Spills2012-05-14 → 2012-05-28Whidbey island, penn cove, wa
- NOAAORR-8440 · Spills2012-05-09 → 2012-05-23Neah bay, wa
- NOAAORR-8438 · Spills2012-05-04 → 2012-05-18Noaa ssc contacted 1400 pst may 4 about leaking container at terminal 18 on harbor island in seattle wa
- NAVAREA XII 122/12 · Nav aids2012-05-02 → 2012-05-03Alaska-southeast Coast
- NOAAORR-8421 · Spills2012-03-19 → 2012-04-02Noaa ssc contacted 1200 pst by uscg to provide trajectory support to situation at vigor marine shipyard in…
- NAVAREA XII 58/12 · Nav aids2012-03-10 → 2012-03-11Alaska-southeast Coast
- NOAAORR-8414 · Spills2012-03-09 → 2012-03-23Harbor island, seattle,wa
- NAVAREA XII 31/12 · Nav aids2012-02-15 → 2012-02-15Alaska-southeast Coast
- NAVAREA XII 11/12 · Nav aids2012-01-10 → 2012-02-01Alaska-southeast Coast
- NAVAREA XII 9/12 · Nav aids2012-01-09 → 2012-01-09Alaska-southeast Coast
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.