Heavy Freezing Spray Warning Issued for Port Heiden to Nelson Lagoon Through Thursday
This alert is no longer in effect.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 in Anchorage has issued a Heavy Freezing Spray Warning for coastal waters from Port Heiden to Nelson Lagoon, effective through Thursday 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) Anchorage AK has issued a Heavy Freezing Spray Warning for the coastal waters of Southwest Alaska. This alert is currently in effect and is scheduled to remain active until Thursday afternoon.
Affected Areas
The warning specifically covers the region from Port Heiden to Nelson Lagoon, extending from 15 to 60 nautical miles out. This includes the forecast zone PKZ757.
What You Should Do
Official guidance from the NWS recommends that mariners avoid the affected area if possible. Heavy freezing spray can cause rapid ice accumulation on vessels, which poses a significant risk to ship stability and safety. Mariners currently in the area should monitor conditions closely and take necessary precautions to mitigate ice buildup.
Expected Conditions
According to the Coastal Waters Forecast, the following conditions are anticipated for the warning area:
- Tonight: Northwest winds at 30 knots with seas reaching 8 feet. Snow showers and heavy freezing spray are expected.
- Thursday: North winds at 20 knots with seas around 7 feet. Heavy freezing spray will continue through the day.
- Thursday Night: Conditions are expected to transition to lighter freezing spray with northeast winds at 20 knots and 5-foot seas.
Timeline
The Heavy Freezing Spray Warning is effective immediately and is set to expire at 5:00 PM AKST on Thursday, February 26, 2026.
Original source: NOAA Official Notice ↗
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