Heavy Freezing Spray Warning Issued for Castle Cape to Cape Tolstoi Through Wednesday Morning

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