Heavy Freezing Spray Warning Issued for Cape Tolstoi to Cape Sarichef Waters

Weather Alerts high NOAA · · Southwest Alaska Peninsula Waters

NWS Anchorage AK has issued a Heavy Freezing Spray Warning for the waters from Cape Tolstoi to Cape Sarichef, effective Tuesday morning through Tuesday afternoon.

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 classified as a severe meteorological event with a high certainty of occurrence.

Affected Areas

The warning specifically covers the marine area from Cape Tolstoi to Cape Sarichef, extending out to 15 nautical miles (NM). This includes the forecast zone PKZ754.

What You Should Do

The National Weather Service advises mariners to avoid the affected waters during the warning period. Heavy freezing spray can cause rapid and significant ice accumulation on vessels, which can lead to stability issues and hazardous operating conditions.

Expected Conditions

On Tuesday, conditions are expected to include Northwest winds reaching 40 knots. Sea heights are forecasted to reach an average of 6 feet. These high winds and sea states, combined with cold temperatures, will result in heavy freezing spray. Conditions are expected to persist into Tuesday night with North winds remaining at 40 knots and seas at 6 feet.

Timeline

The Heavy Freezing Spray Warning is scheduled to begin at 5:00 AM AKDT on Tuesday, March 10, 2026. The alert is currently set to expire at 5:00 PM AKDT on Tuesday, March 10, 2026.

Source: NOAA Official Notice