Storm Warning Issued for Sumner Strait and Southeast Alaska Inside Waters

Source: NOAA · Southeast Alaska

This alert is no longer in effect.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).

Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

The National Weather Service has issued a Storm Warning for Sumner Strait, forecasting 45-knot winds and seas up to 22 feet through Thursday afternoon.

Read this weather record in 30 seconds

Record type
Storm Warning
Affected area
Southeast Alaska
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.

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

Original source: NOAA Official Notice ↗

All Weather Alerts →

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
The National Weather Service has issued a Storm Warning for Sumner Strait, forecasting 45-knot winds and seas up to 22 feet through Thursday afternoon.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Southeast Alaska. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.