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 93/08 · Nav aids2008-03-15 → 2008-03-15Nga chart 17300 (31ST ed)
- NAVAREA XII 92/08 · Nav aids2008-03-15 → 2008-03-15Nga chart 17300 (31ST ed)
- NAVAREA XII 80/08 · Nav aids2008-03-06 → 2008-03-15Nga chart 17434 (13TH ed)
- NOAAORR-7787 · Spills2008-03-05 → 2008-03-19On march 5, 2008 between 0030-0238hrs, an estimated 10 lbs of nitrogen oxide gas was released from a flare…
- NAVAREA XII 74/08 · Nav aids2008-03-03 → 2008-03-05Nga chart 17434 (13TH ed)
- NAVAREA XII 72/08 · Nav aids2008-03-02 → 2008-03-02Nga chart 17420 (28TH ed)
- NOAAORR-7780 · Spills2008-02-22 → 2008-03-07Chemical release port of seattle; terminal 5, seattle, wa
- NAVAREA XII 55/08 · Nav aids2008-02-20 → 2008-03-02Nga chart 17434 (13TH ed)
- NOAAORR-7777 · Spills2008-02-18 → 2008-03-03Prince of wales isl., se alaska
- NOAAORR-7766 · Spills2008-02-03 → 2008-02-17Seattle police department and uscg sector seattle contacted the hdo on sunday morning february 3 to report…
- NAVAREA XII 29/08 · Nav aids2008-01-28 → 2008-01-30Nga chart 17434 (13TH ed)
- NOAAORR-7730 · Spills2007-12-11 → 2007-12-25At approximately 0115 december 11 uscg sector seattle notified the hdo that a fishing vessel had released…
- NOAAORR-7725 · Spills2007-12-05 → 2007-12-19Harbor island, seattle, wa
- NOAAORR-7717 · Spills2007-11-23 → 2007-12-07George inlet, se alaska
- NAVAREA XII 315/07 · Nav aids2007-11-16 → 2007-11-22Nga chart 17300 (31ST ed)
- NAVAREA XII 300/07 · Nav aids2007-11-07 → 2007-11-07Nga chart 17300 (31ST ed)
- NOAAORR-7686 · Spills2007-08-18 → 2007-09-01Revillagigedo channel, ak
- NAVAREA XII 183/07 · Surveys2007-07-31 → 2007-10-11Survey 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…
- NOAAORR-7678 · Spills2007-07-25 → 2007-08-08Sunshine cove, ak
- NOAAORR-7662 · Spills2007-06-19 → 2007-07-03Burton beach, quartermaster harbor, wa
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.