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 284/09 · Nav aids2009-07-08 → 2009-07-08Nga chart 17320 (18TH ed)
- NAVAREA XII 253/09 · Nav aids2009-06-05 → 2009-06-05Nga chart 16016 (21ST ed)
- NAVAREA XII 197/09 · Nav aids2009-04-22 → 2009-04-22Nga chart 17320 (18TH ed)
- NOAAORR-8006 · Spills2009-04-17 → 2009-05-01Uscg sector seattle called the noaa ssc for technical guidance regarding a small mystery sheen observed…
- NAVAREA XII 156/09 · Nav aids2009-03-27 → 2009-04-02Nga chart 17320 (18TH ed)
- NAVAREA XII 152/09 · Nav aids2009-03-24 → 2009-03-24Nga chart 17320 (18TH ed)
- NAVAREA XII 145/09 · Nav aids2009-03-20 → 2009-03-22Nga chart 17320 (18TH ed)
- NAVAREA XII 136/09 · Nav aids2009-03-16 → 2009-03-19Nga chart 17320 (18TH ed)
- NAVAREA XII 126/09 · Nav aids2009-03-07 → 2009-03-09Nga chart 17320 (18TH ed)
- NAVAREA XII 98/09 · Nav aids2009-02-21 → 2009-02-24Nga chart 17300 (21ST ed)
- NAVAREA XII 61/09 · Nav aids2009-02-05 → 2009-02-05Nga chart 17320 (18TH ed)
- NAVAREA XII 59/09 · Nav aids2009-02-03 → 2009-02-05Nga chart 17320 (18TH ed)
- NAVAREA XII 58/09 · Nav aids2009-02-03 → 2009-02-06Nga chart 16016 (21ST ed)
- NOAAORR-7962 · Spills2009-01-30 → 2009-02-13Metlakatla, se alaska
- NAVAREA XII 46/09 · Nav aids2009-01-29 → 2009-02-01Nga chart 17320 (18TH ed)
- NAVAREA XII 36/09 · Nav aids2009-01-23 → 2009-01-23Nga chart 17320 (18TH ed)
- NAVAREA XII 26/09 · Nav aids2009-01-14 → 2009-01-14Nga chart 16016 (21ST ed)
- NAVAREA XII 25/09 · Nav aids2009-01-14 → 2009-01-17Nga chart 17320 (18TH ed)
- NAVAREA XII 9/09 · Nav aids2009-01-05 → 2009-01-06Nga chart 17320 (17TH ed)
- NAVAREA XII 551/08 · Nav aids2008-12-31 → 2009-01-03Nga 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.