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% |
| Towing | 1 | 0% |
| Wrecks | 1 | 0% |
| Derelicts | 1 | 0% |
Archive · 639 cancelled
- NAVAREA XII 528/08 · Nav aids2008-12-12 → 2008-12-13Nga chart 16016 (21ST ed)
- NAVAREA XII 526/08 · Nav aids2008-12-11 → 2008-12-14Nga chart 17320 (18TH ed)
- NAVAREA XII 521/08 · Nav aids2008-12-06 → 2008-12-06Nga chart 16016 (21ST ed)
- NAVAREA XII 515/08 · Nav aids2008-12-04 → 2008-12-04Nga chart 16016 (21ST ed)
- NAVAREA XII 500/08 · Nav aids2008-11-25 → 2008-11-26Nga chart 16016 (21ST ed)
- NAVAREA XII 497/08 · Nav aids2008-11-24 → 2008-11-24Nga chart 16016 (21ST ed)
- NAVAREA XII 493/08 · Nav aids2008-11-23 → 2008-11-24Nga chart 17320 (18TH ed)
- NAVAREA XII 485/08 · Nav aids2008-11-21 → 2008-11-22Nga chart 16016 (21ST ed)
- NAVAREA XII 474/08 · Nav aids2008-11-14 → 2008-11-14Nga chart 16016 (21ST ed)
- NAVAREA XII 463/08 · Nav aids2008-11-04 → 2008-11-05Nga chart 16016 (21ST ed)
- NAVAREA XII 455/08 · Nav aids2008-10-31 → 2008-11-01Nga chart 16016 (21ST ed)
- NAVAREA XII 445/08 · Nav aids2008-10-26 → 2008-10-29Nga chart 16016 (21ST ed)
- NAVAREA XII 443/08 · Nav aids2008-10-26 → 2008-10-26Nga chart 17320 (17TH ed)
- NAVAREA XII 409/08 · Nav aids2008-10-02 → 2008-10-03Nga chart 16016 (21ST ed)
- NAVAREA XII 394/08 · Nav aids2008-09-22 → 2008-09-23Nga chart 16016 (21ST ed)
- NAVAREA XII 392/08 · Nav aids2008-09-22 → 2008-09-22Nga chart 16016 (21ST ed)
- NAVAREA XII 335/08 · Nav aids2008-08-22 → 2008-08-22Nga chart 16016 (21ST ed)
- NAVAREA XII 331/08 · Nav aids2008-08-19 → 2008-08-19Nga chart 16016 (21ST ed)
- NAVAREA XII 330/08 · Nav aids2008-08-18 → 2008-08-22Nga chart 16016 (21ST ed)
- NAVAREA XII 329/08 · Nav aids2008-08-18 → 2008-08-19Nga 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.