Heavy Freezing Spray Warning Issued for Port Heiden to Nelson Lagoon
This alert is no longer in effect.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).
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The National Weather Service has issued a Heavy Freezing Spray Warning for coastal waters from Port Heiden to Nelson Lagoon, effective Tuesday evening through Wednesday afternoon.
Read this weather record in 30 seconds
- Record type
- Heavy Freezing Spray Warning
- Affected area
- Southwest Alaska
- 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.
Alert Details
The National Weather Service (NWS) in Anchorage has issued a Heavy Freezing Spray Warning for the coastal waters of Southwest Alaska. The warning is officially in effect from 5:00 PM AKST on Tuesday, February 24, 2026, until 5:00 PM AKST on Wednesday, February 25, 2026.
Affected Areas
The geographic scope of this alert includes the maritime region from Port Heiden to Nelson Lagoon, extending out to 15 nautical miles. This area covers critical coastal waters along the Alaska Peninsula.
What You Should Do
Mariners and vessel operators are advised to avoid the warning area during the effective period. Heavy freezing spray can lead to rapid ice accumulation on vessels, which poses a significant risk to vessel stability and safety. Operators should monitor the latest Coastal Waters Forecast for Southwest Alaska and Bristol Bay for updates.
Expected Conditions
Weather conditions in the region are expected to become hazardous starting Tuesday night. The following conditions are forecasted:
- Wind: North winds at 25 knots.
- Seas: Average wave heights of 9 feet on Tuesday night, increasing to 10 feet on Wednesday.
- Hazards: Heavy freezing spray is expected to develop as cold winds interact with the sea surface.
- Precipitation: Snow is also expected in the area during this period.
Timeline
- Warning Onset: Tuesday, February 24, at 5:00 PM AKST.
- Peak Conditions: Tuesday night through Wednesday afternoon.
- Warning Expiration: Wednesday, February 25, at 5:00 PM AKST.
Original source: NOAA Official Notice ↗
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