Storm Warning Issued for Marmot Island to Sitkinak Waters Through Friday

Weather Alerts high NOAA · · Northern Gulf of Alaska Coast

NWS Anchorage has issued a Storm Warning for the Northern Gulf of Alaska Coast, forecasting 50-knot winds and 19-foot seas through Friday afternoon.

Alert Details

The National Weather Service in Anchorage, AK, has issued a Storm Warning for the coastal waters of the Northern Gulf of Alaska. This alert is in effect starting Thursday evening and continues through Friday afternoon.

Affected Areas

The warning specifically covers the region from Marmot Island to Sitkinak, extending from 15 to 85 nautical miles offshore. This includes the coastal waters forecast for the Northern Gulf of Alaska Coast up to 100 nm out, including Kodiak Island and Cook Inlet.

What You Should Do

Official guidance indicates that individuals should avoid the affected marine areas. Mariners should seek safe harbor or remain in port until conditions improve.

Expected Conditions

Significant marine hazards are forecast for the duration of the warning:

  • Winds: Northwest winds are expected to reach 50 knots on Thursday night and Friday, shifting to North winds at 50 knots by Friday night.
  • Seas: Average heights of the highest one-third of waves are expected to reach 19 feet on Thursday night and Friday, subsiding slightly to 17 feet by Friday night.
  • Additional Hazards: Freezing spray is forecast for Friday.

Timeline

The Storm Warning onset is scheduled for 5:00 PM AKST on Thursday, February 19, 2026. The warning is currently set to expire at 5:00 PM AKST on Friday, February 20, 2026. Conditions are expected to begin improving on Saturday with winds decreasing to 40 knots and seas to 13 feet.

Source: NOAA Official Notice