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
- NOAAORR-7874 · Spills2008-08-18 → 2008-09-01Saltery cove, clarence strait, se alaska
- NAVAREA XII 323/08 · Nav aids2008-08-13 → 2008-08-14Nga chart 16016 (21ST ed)
- NAVAREA XII 321/08 · Nav aids2008-08-12 → 2008-08-12Nga chart 16016 (21ST ed)
- NAVAREA XII 318/08 · Nav aids2008-08-10 → 2008-08-13Nga chart 16016 (21ST ed)
- NAVAREA XII 314/08 · Nav aids2008-08-08 → 2008-08-10Nga chart 16016 (21ST ed)
- NAVAREA XII 304/08 · Nav aids2008-08-02 → 2008-08-06Nga chart 16016 (16 ed)
- NAVAREA XII 289/08 · Nav aids2008-07-25 → 2008-07-25Nga chart 16016 (21ST ed)
- NOAAORR-7852 · Spills2008-07-07 → 2008-07-21Glacier bay, northern extremity
- NAVAREA XII 240/08 · Nav aids2008-06-23 → 2008-06-26Nga chart 16016 (21ST ed)
- NAVAREA XII 239/08 · Nav aids2008-06-23 → 2008-06-25Nga chart 16016 (21ST ed)
- NAVAREA XII 229/08 · Nav aids2008-06-19 → 2008-06-24Nga chart 16016 (21ST ed)
- NAVAREA XII 226/08 · Nav aids2008-06-16 → 2008-06-20Nga chart 17300 (31ST ed)
- NAVAREA XII 219/08 · Nav aids2008-06-14 → 2008-06-18Nga chart 17300 (31ST ed)
- NAVAREA XII 214/08 · Nav aids2008-06-11 → 2008-06-12Nga chart 17434 (13TH ed)
- NAVAREA XII 187/08 · Nav aids2008-05-21 → 2008-05-22Nga chart 16016 (21ST ed)
- NAVAREA XII 151/08 · Nav aids2008-04-17 → 2008-04-17Nga chart 17300 (31ST ed)
- NAVAREA XII 126/08 · Nav aids2008-03-31 → 2008-03-31Nga chart 16016 (21ST ed)
- NAVAREA XII 109/08 · Nav aids2008-03-25 → 2008-03-25Nga chart 17320 (17TH ed)
- NOAAORR-7798 · Spills2008-03-25 → 2008-04-08South seattle, wa
- NAVAREA XII 106/08 · Nav aids2008-03-24 → 2008-03-25Nga chart 17320 (17TH 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.