Special Marine Warning for Cape Decision to Cape Edgecumbe out to 15 NM
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NWS Juneau has issued a Special Marine Warning for Cape Decision to Cape Edgecumbe out to 15 NM until 4:30 PM AKDT due to a strong thunderstorm producing wind gusts to 34 knots.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Southeast Alaska Coast
- Issued
- September 20, 2026
- Issuing authority
- NWS Juneau AK
Marine notices apply to named waters or shoreline zones. They may not describe conditions on land, even when the nearest place name is the same.
Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
A Special Marine Warning has been issued by the National Weather Service in Juneau AK. The alert is effective from September 20 at 3:58 PM AKDT until September 20 at 4:30 PM AKDT.
Affected Areas
Cape Decision to Cape Edgecumbe out to 15 NM. The thunderstorm was located 19 NM south of Biorka Island, or 29 NM southeast of Cape Edgecumbe, moving north at 30 knots.
What You Should Do
Move to safe harbor until hazardous weather passes. Boaters should seek safe harbor immediately until this storm passes.
Expected Conditions
Wind gusts to 34 knots. Small craft could be damaged in briefly higher winds and suddenly higher waves. Wind gusts 34 knots or greater, high waves, dangerous lightning, and heavy rain are possible.
Timeline
The warning is in effect from 3:58 PM AKDT to 4:30 PM AKDT on September 20, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (845 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to September 20, 2026.
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