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-9643 · Spills2018-01-12 → 2018-01-26On january 12, 2018, the uscg notified the alaska ssc of a planned oil and hazmat removal operation from a…
- NAVAREA XII 546/17 · Nav aids2017-12-02 → 2017-12-04Gustavus dgps station 58-25.1N 135-41.8W unusable
- NOAAORR-9628 · Spills2017-12-01 → 2017-12-15Towing vessel jake shearer voyage wx forecast; kitimat-stikine, bc, canada
- NAVAREA XII 540/17 · Nav aids2017-11-28 → 2017-12-07Gustavus dgps station 58-25.1N 135-41.8W inoperative from 061800Z to 070200Z dec
- NAVAREA XII 522/17 · Nav aids2017-11-18 → 2017-11-20Biorka dgps station 56-51.3N 135-32.4W unusable
- NAVAREA XII 520/17 · Nav aids2017-11-18 → 2017-12-01Gustavus dgps station 58-25.1N 135-41.8W unusable
- NAVAREA XII 486/17 · Nav aids2017-10-30 → 2017-11-01Biorka dgps station 56-51.3N 135-32.4W unreliable
- NAVAREA XII 451/17 · Nav aids2017-10-12 → 2017-10-13GPS unreliable 16 oct thru 18 nov in area within 96 miles of 47-43.8N 122-43.8W
- NAVAREA XII 430/17 · Nav aids2017-09-24 → 2017-11-01Gustavus dgps station 58-25.1N 135-41.8W unusable
- NAVAREA XII 415/17 · Nav aids2017-09-17 → 2017-09-21Gustavus dgps station 58-25.1N 135-41.8W at reduced power
- NAVAREA XII 392/17 · Nav aids2017-09-08 → 2017-09-09Annette island dgps station 55-04.1N 131-36.0W unreliable
- NAVAREA XII 386/17 · Nav aids2017-09-05 → 2017-09-15Gustavus dgps station 58-25.1N 135-41.8W unusable
- NAVAREA XII 379/17 · Nav aids2017-09-02 → 2017-09-09Biorka dgps station 56-51.3N 135-32.4W unusable 071600Z to 091600Z sep
- NAVAREA XII 376/17 · Nav aids2017-09-01 → 2017-09-01Annette island dgps station 55-04.1N 131-36.0W unusable
- NAVAREA XII 367/17 · Nav aids2017-08-29 → 2017-08-29Gustavus dgps station 58-25.1N 135-41.8W unreliable
- NAVAREA XII 357/17 · Nav aids2017-08-24 → 2017-08-29Biorka dgps station 56-51.3N 135-32.4W off air 281900Z to 290300Z aug
- NOAAORR-9554 · Spills2017-08-24 → 2017-09-07Floating hazmat box; between burrows & bird island near anacortes, wa, USA
- NOAAORR-9544 · Spills2017-08-09 → 2017-08-23On august 6, 2017, the commercial fishing vessel confidence , a 48.8' seine vessel, grounded in neva strait…
- NAVAREA XII 332/17 · Nav aids2017-08-04 → 2017-08-04Gustavus dgps station 58-25.1N 135-41.8W unusable
- NAVAREA XII 304/17 · Nav aids2017-07-13 → 2017-07-13Biorka dgps station 56-51.3N 135-32.4W 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.