Heavy Freezing Spray Warning Issued for Port Heiden to Nelson Lagoon Through Sunday
This alert is no longer in effect.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 Southwest Alaska coastal waters, with dangerous icing conditions expected through Sunday 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 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 Southwest Alaska.
Alert Details
A Heavy Freezing Spray Warning has been issued by the National Weather Service (NWS) Anchorage AK. This alert is currently in effect and is classified under the NWS alert type code UPW.
Affected Areas
The warning specifically impacts the coastal waters from Port Heiden to Nelson Lagoon, extending from 15 to 60 nautical miles out. This includes the forecast zone PKZ757.
What You Should Do
Mariners and vessel operators are advised to avoid the warning area. Heavy freezing spray can lead to significant ice accumulation on vessels, which poses a severe risk to stability and safety at sea.
Expected Conditions
According to the NWS Anchorage forecast, the following conditions are expected:
- Winds: Northeast winds at 30 knots are expected to persist through Sunday.
- Seas: Wave heights are forecast to be 8 feet today, increasing to 9 feet tonight and through Sunday.
- Icing: Heavy freezing spray is expected to occur continuously through Sunday.
Timeline
The warning is effective as of 3:09 AM AKST on Saturday, February 28, 2026. The hazardous conditions and the formal warning are expected to continue until 5:00 PM AKST on Sunday, March 1, 2026. Conditions are forecast to begin improving Sunday night as winds decrease to 25 knots and seas subside to 7 feet.
Original source: NOAA Official Notice ↗
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