Storm Warning Issued for Sumner Strait and Southeast Alaska Inside Waters

Alert Details

The National Weather Service (NWS) office in Juneau, Alaska, has issued a Storm Warning for the Sumner Strait and surrounding inside waters. The alert was issued on the afternoon of February 11 and remains in effect through the afternoon of February 12.

Affected Areas

This warning specifically impacts the Sumner Strait and the Southeast Alaska Inside Waters extending from Dixon Entrance to Skagway.

What You Should Do

Mariners and residents in the affected coastal areas are advised to avoid the area during the warning period. Ensure all vessels are properly secured and monitor local weather updates for any changes in the storm’s trajectory or intensity.

Expected Conditions

Severe maritime conditions are expected as the storm progresses:

• Wind Speed: South winds are forecast to reach 45 knots on Thursday. Gusts up to 45 knots are expected out of interior passes.
• Sea Heights: Average seas are expected to reach 11 feet. However, near ocean entrances, seas are forecast to build significantly, reaching heights of up to 22 feet.
• Precipitation: Rain showers are expected throughout the event, with a slight chance of thunderstorms developing late Wednesday night into Thursday.
• Transition: Conditions will begin to deteriorate Wednesday night, with winds increasing from 10 knots to 35 knots before peaking on Thursday.

Timeline

• Effective Date: February 11, 2026, at 2:15 PM AKST
• Storm Onset: February 12, 2026, at 5:00 AM AKST
• Warning Expiration: February 12, 2026, at 5:00 PM AKST