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 40/17 · Nav aids2017-01-26 → 2017-03-10Biorka dgps station 56-51.3N 135-32.4W unusable
- NAVAREA XII 37/17 · Nav aids2017-01-24 → 2017-01-24Gustavus dgps station 58-25.1N 135-41.8W unusable
- NAVAREA XII 24/17 · Nav aids2017-01-17 → 2017-01-18Biorka dgps station 56-51.3N 135-32.4W unusable
- NAVAREA XII 22/17 · Nav aids2017-01-17 → 2017-01-17Gustavus dgps station 58-25.1N 135-41.8W unusable
- NAVAREA XII 20/17 · Nav aids2017-01-13 → 2017-01-19Gustavus dgps station 58-25.1N 135-41.8W unusable 181900Z to 182300Z jan
- NAVAREA XII 472/16 · Nav aids2016-12-10 → 2016-12-16Annette island dgps station 55-04.1N 131-36.0W unusable 152230Z to 160430Z dec
- NOAAORR-9413 · Spills2016-12-10 → 2016-12-24Apple tree cove
- NAVAREA XII 467/16 · Nav aids2016-12-09 → 2016-12-15Biorka dgps station 56-51.3N 135-32.4W unusable 142300Z to 150300Z dec
- NAVAREA XII 461/16 · Nav aids2016-12-07 → 2016-12-16Annette island dgps station 55-04.1N 131-36.0W unusable
- NAVAREA XII 437/16 · Nav aids2016-11-28 → 2016-11-28Gustavus dgps station 58-25.1N 135-41.8W unusable
- NAVAREA XII 429/16 · Nav aids2016-11-22 → 2016-11-22Biorka dgps station 56-51.3N 135-32.4W unreliable
- NAVAREA XII 420/16 · Nav aids2016-11-15 → 2016-11-16Anette island dgps station 55-04.1N 131-36.0W unreliable
- NAVAREA XII 402/16 · Nav aids2016-11-03 → 2016-11-03Gustavus dgps station 58-25.1N 135-41.8W unreliable
- NOAAORR-9381 · Spills2016-10-20 → 2016-11-03Carr inlet, pierce county, wa, USA
- NAVAREA XII 349/16 · Nav aids2016-09-28 → 2016-12-08Biorka dgps station 56-51.3N 135-32.4W unreliable
- NAVAREA XII 348/16 · Nav aids2016-09-26 → 2016-09-28Gustavus dgps station 58-25.1N 135-41.8W unreliable
- NAVAREA XII 341/16 · Nav aids2016-09-21 → 2016-09-22Gustavus dgps station 58-25.1N 135-41.8W unreliable
- NAVAREA XII 304/16 · Nav aids2016-09-03 → 2016-09-03Biorka dgps station 56-51.3N 135-32.4W unusable
- NAVAREA XII 287/16 · Nav aids2016-08-28 → 2016-09-02Biorka dgps station 56-51.3N 135-32.4W unusable 020400Z to 020800Z sep
- NAVAREA XII 262/16 · Nav aids2016-08-12 → 2016-08-13Gustavus dgps station 58-25.1N 135-41.8W unreliable
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.