Storm Warning Issued for Sitkinak to Castle Cape Waters Through Saturday Morning

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This alert is no longer in effect.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.

The National Weather Service has issued a Storm Warning for the waters from Sitkinak to Castle Cape, forecasting dangerous wind gusts up to 70 knots 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 (NWS) in Anchorage has issued a Storm Warning for the coastal waters of Southwest Alaska. The alert is currently in effect and remains active through early Saturday morning.

Affected Areas

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

What You Should Do

Mariners and residents in the affected coastal regions are advised to avoid the warning area. The NWS response instruction for this event is to avoid travel or operations within the specified maritime zones due to hazardous conditions.

Expected Conditions

Extreme maritime conditions are expected throughout the duration of the warning:

  • Winds: Northwest winds are forecast at 55 knots today, with powerful gusts reaching up to 70 knots. Conditions will remain intense tonight with winds at 50 knots and gusts up to 65 knots before midnight.
  • Seas: Wave heights are expected to reach 11 feet today, subsiding slightly to 10 feet tonight.
  • Additional Hazards: Freezing spray is expected through Saturday morning, which can cause significant ice accumulation on vessels.

Timeline

The Storm Warning is effective immediately and is scheduled to expire at 5:00 AM AKST on Saturday, February 21. Conditions are expected to begin improving Saturday morning with winds decreasing to 25 knots and seas falling to 5 feet.

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 the waters from Sitkinak to Castle Cape, forecasting dangerous wind gusts up to 70 knots 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.