Heavy Freezing Spray Warning for Sitkinak to Castle Cape Coastal Waters
This alert is no longer in effect.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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NWS Anchorage has issued a Heavy Freezing Spray Warning for Sitkinak to Castle Cape, effective through Wednesday morning, with extreme accumulation rates expected.
Read this weather record in 30 seconds
- Record type
- Heavy Freezing Spray Warning
- Affected area
- Southwest Alaska Coastal Waters
- 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 Coastal Waters.
Alert Details
The National Weather Service (NWS) in Anchorage, AK, has issued a Heavy Freezing Spray Warning for coastal waters. This alert is classified as severe, with hazardous conditions likely to impact maritime operations in the region. A Gale Warning is also in effect through Tuesday night.
Affected Areas
The warning covers the coastal waters from Sitkinak to Castle Cape, extending out to 15 nautical miles. This includes the forecast zone PKZ750.
What You Should Do
Mariners and vessel operators are advised to avoid the warning area. The NWS response recommendation is to avoid these waters as extreme freezing spray can rapidly accumulate on vessels, potentially compromising stability and safety. Monitor local maritime forecasts for updates.
Expected Conditions
Northwest winds are expected at 45 knots, with gusts reaching up to 60 knots out of bays and passes. Seas are forecast to reach heights of 11 to 12 feet. The primary hazard is extreme freezing spray, which is expected to accumulate at a rate of 4 cm per hour or greater.
Timeline
The Heavy Freezing Spray Warning is set to begin at 5:00 AM AKDT on Tuesday, March 10, 2026. The warning remains in effect until 5:00 AM AKDT on Wednesday, March 11, 2026.
Original source: NOAA Official Notice ↗
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