Storm Warning Issued for Sitkinak to Castle Cape: Wind Gusts Up to 70 Knots Forecast

Alert Details

The National Weather Service in Anchorage, AK, has issued a Storm Warning for the coastal waters of Southwest Alaska. This alert is classified as a severe meteorological event requiring immediate attention for those in the affected maritime zones.

Affected Areas

The warning specifically covers the coastal waters from Sitkinak to Castle Cape, extending out to 15 nautical miles. This includes portions of the Alaska Peninsula waters.

What You Should Do

According to the National Weather Service, the recommended response is to avoid the warning area. Mariners should seek safe harbor or remain in port until conditions improve. Ensure all vessels are properly secured against high winds and heavy seas.

Expected Conditions

• Wind Speeds: Northwest winds of 35 knots are expected today. Conditions will intensify tonight, with winds increasing to 50 knots after midnight and gusts reaching 65 knots. On Friday, winds will peak at 55 knots with gusts up to 70 knots.
• Sea States: Average wave heights are forecast at 8 feet today, increasing to 10 feet tonight and reaching 12 feet on Friday.
• Freezing Spray: Freezing spray is forecast to occur from today through Friday, which can lead to significant ice accumulation on vessels.

Timeline

• Onset: The Storm Warning conditions are expected to begin at 5:00 PM AKST on Thursday, February 19, 2026.
• Duration: The warning remains in effect through Friday.
• Expiration: The alert is scheduled to end at 5:00 PM AKST on Friday, February 20, 2026.