Heavy Freezing Spray Warning Issued for Sitkinak to Castle Cape Through Sunday

Source: NOAA · Southwest Alaska Peninsula 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This alert is no longer in effect.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.

National Weather Service Anchorage has issued a Heavy Freezing Spray Warning for Sitkinak to Castle Cape, effective through Sunday evening with winds up to 40 knots.

Read this weather record in 30 seconds

Record type
Heavy Freezing Spray Warning
Affected area
Southwest Alaska Peninsula Waters
Issued
April 6, 2026
Issuing authority
NWS Anchorage

The warning type, named area, and issue time define this record. Confirm all three against the original agency notice before treating it as current.

Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Southwest Alaska Peninsula Waters.

Alert Details

The National Weather Service in Anchorage has issued a Heavy Freezing Spray Warning for the coastal waters of Southwest Alaska. The alert was issued early Saturday morning and remains in effect through Sunday evening. A Gale Warning is also currently in effect for the region.

Affected Areas

The warning 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

The NWS recommends that mariners avoid the affected area. Heavy freezing spray can lead to rapid ice accumulation on vessel superstructures, which can compromise stability and create life-threatening conditions for those at sea.

Expected Conditions

Hazardous maritime conditions are expected throughout the weekend:

  • Today: West winds at 35 knots with seas reaching 9 feet. Heavy freezing spray is expected.
  • Tonight: Northwest winds increasing to 40 knots with seas up to 10 feet. Snow showers and heavy freezing spray are forecast.
  • Sunday: Northwest winds at 40 knots with 9-foot seas and continued heavy freezing spray.
  • Extended Outlook: Northwest winds are forecast to reach 45 knots on Monday, with seas remaining between 8 and 9 feet through Wednesday.

Timeline

The Heavy Freezing Spray Warning is effective from 3:17 AM AKST on Saturday, March 7, until 6:00 PM AKDT on Sunday, March 8. Conditions are expected to remain hazardous with high winds and significant seas through the middle of the upcoming week.

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?
National Weather Service Anchorage has issued a Heavy Freezing Spray Warning for Sitkinak to Castle Cape, effective through Sunday evening with winds up to 40 knots.
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 Peninsula 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.