Storm Warning Issued for Sitkinak to Castle Cape: Wind Gusts Up to 70 Knots Forecast

Source: NOAA · Southwest Alaska Coastal Waters

This alert is no longer in effect.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.

NWS Anchorage has issued a Storm Warning for Sitkinak to Castle Cape, effective from Thursday evening through Friday afternoon, featuring extreme winds and freezing spray.

Read this weather record in 30 seconds

Record type
Storm Warning
Affected area
Southwest Alaska Coastal Waters
Issued
April 6, 2026
Issuing authority
NWS Anchorage

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 Southwest Alaska Coastal Waters.

Alert Details

The National Weather Service in Anchorage, AK, has issued a Storm Warning for the coastal waters of Southwest Alaska. This alert is classified as a severe meteorological event requiring immediate attention for those in the affected maritime zones.

Affected Areas

The warning specifically covers the coastal waters from Sitkinak to Castle Cape, extending out to 15 nautical miles. This includes portions of the Alaska Peninsula waters.

What You Should Do

According to the National Weather Service, the recommended response is to avoid the warning area. Mariners should seek safe harbor or remain in port until conditions improve. Ensure all vessels are properly secured against high winds and heavy seas.

Expected Conditions

  • Wind Speeds: Northwest winds of 35 knots are expected today. Conditions will intensify tonight, with winds increasing to 50 knots after midnight and gusts reaching 65 knots. On Friday, winds will peak at 55 knots with gusts up to 70 knots.
  • Sea States: Average wave heights are forecast at 8 feet today, increasing to 10 feet tonight and reaching 12 feet on Friday.
  • Freezing Spray: Freezing spray is forecast to occur from today through Friday, which can lead to significant ice accumulation on vessels.

Timeline

  • Onset: The Storm Warning conditions are expected to begin at 5:00 PM AKST on Thursday, February 19, 2026.
  • Duration: The warning remains in effect through Friday.
  • Expiration: The alert is scheduled to end at 5:00 PM AKST on Friday, February 20, 2026.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Anchorage has issued a Storm Warning for Sitkinak to Castle Cape, effective from Thursday evening through Friday afternoon, featuring extreme winds and freezing spray.
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 Southwest Alaska Coastal Waters. 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.