Storm Warning Issued for Southeast Alaska Coastal Waters from Cape Edgecumbe to Cape Spencer

Alert Details

A Storm Warning has been issued by the National Weather Service (NWS) Juneau AK. The alert is effective for a window on Thursday, February 12, 2026.

Affected Areas

The warning covers the Southeast Alaska coastal waters from Cape Edgecumbe to Cape Spencer, extending from 15 to 80 nautical miles (NM) offshore.

What You Should Do

According to the National Weather Service, individuals in the affected maritime areas should avoid travel. Mariners should take necessary precautions to secure vessels and remain in safe harbor where possible due to extremely hazardous sea conditions.

Expected Conditions

Conditions are expected to deteriorate significantly during the warning period:

• Wind: South winds of 45 knots are forecast, becoming West in the afternoon.
• Seas: Average heights of the highest one-third of waves are expected to reach 37 feet.
• Precipitation: Rain showers are expected throughout the duration of the storm.

Prior to the onset of the warning on Wednesday night, East winds are expected to increase to 30 knots with seas building to 23 feet. Following the warning period on Thursday night, conditions will transition to a West gale of 35 knots with seas subsiding to 18 feet.

Timeline

• Onset: Thursday, February 12, 2026, at 5:00 AM AKST
• Expiration: Thursday, February 12, 2026, at 5:00 PM AKST