Heavy Freezing Spray Warning Issued for Marmot Island to Sitkinak Through Thursday Morning

Alert Details

The National Weather Service (NWS) in Anchorage, AK, has issued a Heavy Freezing Spray Warning for the coastal waters of the Northern Gulf of Alaska. This alert indicates a severe meteorological event where heavy ice accumulation on vessels is likely due to extreme wind and temperature conditions.

Affected Areas

The warning covers the maritime region from Marmot Island to Sitkinak, extending out to 15 nautical miles. This area is part of the Northern Gulf of Alaska Coast, including waters near Kodiak Island.

What You Should Do

Mariners are advised to avoid the area during the warning period. Heavy freezing spray can cause rapid ice accumulation on vessel superstructures, which poses a significant risk to vessel stability and safety. The NWS response recommendation is to avoid the hazard.

Expected Conditions

Severe marine conditions are forecast for the duration of the warning:

• Wind Speed: Northwest winds are expected to reach 45 knots on Wednesday, increasing to 50 knots by Wednesday night.
• Sea Heights: Average wave heights are forecast between 10 and 11 feet.
• Icing: Heavy freezing spray is expected to develop Wednesday and persist through Wednesday night.

Timeline

• Onset: Wednesday, February 25, 2026, at 5:00 AM AKST.
• Duration: The warning remains in effect through Wednesday night.
• Expiration: The alert is scheduled to end at 5:00 AM AKST on Thursday, February 26, 2026.