Storm Warning Issued for Southeast Alaska Coastal Waters: 45-Knot Winds and 37-Foot Seas Expected
This alert is no longer in effect.
NOAA issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
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The National Weather Service has issued a storm warning for coastal waters from Cape Decision to Cape Edgecumbe, with dangerous winds and extreme sea heights forecast through Thursday.
Read this weather record in 30 seconds
- Record type
- Storm Warning
- Affected area
- Southeast Alaska Coastal Waters
- Issued
- April 6, 2026
- Issuing authority
- NWS Juneau AK
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Southeast Alaska Coastal Waters.
Alert Details
The National Weather Service (NWS) office in Juneau, AK, has issued a Storm Warning for Southeast Alaska coastal waters. The alert is currently in effect and is scheduled to remain active until Thursday afternoon.
Affected Areas
The warning specifically covers the coastal waters from Cape Decision to Cape Edgecumbe out to 15 nautical miles. The broader forecast area includes Southeast Alaska Coastal Waters from Dixon Entrance to Cape Suckling out to 100 nautical miles.
What You Should Do
According to the National Weather Service, individuals in the affected maritime areas should avoid travel and exposure to the open water. Mariners should ensure vessels are secured and monitor further updates from NWS Juneau.
Expected Conditions
Extreme marine conditions are forecast for the duration of this event:
- Wind Speeds: Winds are expected to increase from Southeast 15 knots to South 40 knots tonight. By Thursday, winds will reach Southwest 45 knots.
- Sea Heights: Seas will build from 11 feet to 22 feet tonight, peaking at an average height of 37 feet on Thursday. Seas are expected to subside to 27 feet and eventually 18 feet by Thursday night.
- Precipitation: Rain showers are expected, with a slight chance of thunderstorms beginning late tonight and continuing through Thursday.
Timeline
- Warning Issued: February 11 at 2:15 PM AKST
- Onset of Peak Conditions: Thursday, February 12 at 5:00 AM AKST
- Warning Expiration: Thursday, February 12 at 5:00 PM AKST
Conditions are expected to improve by Friday, with winds decreasing to Southwest 15 knots and seas subsiding to approximately 13 feet.
Original source: NOAA Official Notice ↗
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