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

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.