Heavy Freezing Spray Warning Issued for Saint Matthew Island Waters Through Thursday Morning

Source: NOAA · Saint Matthew Island Waters, 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This alert is no longer in effect.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 Heavy Freezing Spray Warning for Saint Matthew Island Waters, with dangerous ice accumulation and seas up to 22 feet expected.

Read this weather record in 30 seconds

Record type
Heavy Freezing Spray Warning
Affected area
Saint Matthew Island Waters, Alaska
Issued
April 6, 2026
Issuing authority
NWS Anchorage AK

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 Saint Matthew Island Waters, Alaska.

Alert Details

Type: Heavy Freezing Spray Warning
Issued by: National Weather Service (NWS) Anchorage, AK
Effective: Wednesday, February 11, 2026, at 5:00 AM AKST
Expires: Thursday, February 12, 2026, at 5:00 AM AKST
Alert Code: UPW

Affected Areas

This warning specifically impacts the Saint Matthew Island Waters (UGC: PKZ767). This includes coastal waters for Southwest Alaska, Bristol Bay, the Alaska Peninsula Waters, and the Aleutian Islands up to 100 nautical miles out.

What You Should Do

Mariners and residents in the affected maritime region are advised to avoid the area. Heavy freezing spray can lead to rapid ice accumulation on vessels, which significantly increases the risk of capsizing or losing stability. Ensure all safety equipment is secured and monitor local maritime forecasts for updates.

Expected Conditions

  • Winds:
    • Tonight: Northeast winds reaching 50 knots west of Saint Matthew Island and East winds at 40 knots to the east.
    • Wednesday: North winds at 45 knots west of the island and Northeast winds at 40 knots to the east.
    • Wednesday Night: North winds sustained at 40 knots.
  • Seas: Waves in ice-free waters are expected to reach 22 feet tonight, subsiding slightly to 20 feet on Wednesday and 17 feet by Wednesday night.
  • Precipitation: Snow showers are expected tonight, followed by steady snow on Wednesday.
  • Hazard: Heavy freezing spray is expected to persist through Wednesday night.

Timeline

The Heavy Freezing Spray Warning begins at 5:00 AM AKST on Wednesday, February 11. Conditions are expected to remain hazardous through Wednesday night, with the warning currently set to expire at 5:00 AM AKST on Thursday, February 12.

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?
The National Weather Service has issued a Heavy Freezing Spray Warning for Saint Matthew Island Waters, with dangerous ice accumulation and seas up to 22 feet expected.
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 Saint Matthew Island Waters, 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.