Storm Warning Issued for Kiska to Attu Pacific Side Through Thursday Afternoon

Alert Details

The National Weather Service (NWS) in Anchorage, AK, has issued a Storm Warning for the coastal waters of the Aleutian Islands. The alert was issued on February 18 and remains in effect through the afternoon of February 19.

Affected Areas

The primary geographic region affected is the Kiska to Attu Pacific Side. This includes the Aleutian Islands and surrounding waters up to 100 nautical miles out.

What You Should Do

According to the National Weather Service, the recommended response is to avoid the area. Mariners should seek safe harbor or avoid transit through the warned zones until conditions improve.

Expected Conditions

Severe maritime conditions are forecast for the region:

• Wind: On Thursday, east winds of 40 knots are expected to increase to southeast winds of 50 knots by the afternoon. Southeast winds will continue at 45 knots Thursday night.
• Seas: Wave heights are forecast to build from 12 feet to 20 feet on Thursday afternoon. Seas are expected to peak at 22 feet on Friday.
• Precipitation: Rain is expected throughout the duration of the storm.

Timeline

• Onset: The Storm Warning begins at 5:00 AM AKST on Thursday, February 19, 2026.
• Duration: The warning is currently set to expire at 5:00 PM AKST on Thursday, February 19, 2026.
• Extended Outlook: While the warning ends Thursday afternoon, hazardous conditions will persist with seas remaining as high as 17 feet through Friday night and 16 feet on Saturday.