Heavy Freezing Spray Warning Issued for Castle Cape to Cape Tolstoi Through Wednesday Morning
NWS Anchorage has issued a Heavy Freezing Spray Warning for Alaska Peninsula waters, with 55-knot gusts and heavy ice accumulation expected through March 11.
Alert Details
The National Weather Service in Anchorage, AK, has issued a Heavy Freezing Spray Warning for the coastal waters of Southwest Alaska. This alert is in effect alongside a Gale Warning for the same period.
Affected Areas
The warning specifically covers the maritime region from Castle Cape to Cape Tolstoi, extending out to 15 nautical miles. This includes the Alaska Peninsula waters and the Aleutian Islands up to 100 nm out.
What You Should Do
Mariners and vessel operators are advised to avoid the area if possible. Heavy freezing spray can cause rapid ice accumulation on vessels, which can significantly impact stability and safety. Ensure all safety equipment is accessible and monitor local maritime forecasts for updates.
Expected Conditions
Conditions are expected to deteriorate starting Tuesday morning. The following conditions are forecast:
- Winds: Northwest winds at 40 knots, with gusts reaching up to 55 knots out of bays and passes.
- Seas: Average wave heights between 6 and 7 feet.
- Hazard: Heavy freezing spray is expected throughout Tuesday and Tuesday night, leading to potential ice buildup.
Timeline
- Onset: Tuesday, March 10, 2026, at 5:00 AM AKDT
- Duration: The warning remains in effect through the night.
- Expires: Wednesday, March 11, 2026, at 5:00 AM AKDT
Source: NOAA Official Notice
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