Heavy Freezing Spray Warning Issued for Bristol Bay Waters Through Saturday Morning

Alert Details

The National Weather Service (NWS) in Anchorage, AK, has issued a Heavy Freezing Spray Warning (VTEC code: UPW) for the Bristol Bay region. This alert indicates a high likelihood of significant ice accumulation on vessels due to freezing spray and wind conditions.

Affected Areas

The warning specifically covers the coastal waters of Bristol Bay, extending from Port Heiden to Cape Chichagof out to 15 nautical miles.

What You Should Do

Mariners and residents in the affected maritime zone are advised to take necessary precautions. The NWS recommends that vessels avoid the area during the warning period to prevent dangerous ice accumulation, which can affect vessel stability and safety.

Expected Conditions

Conditions expected during the warning period include:

• Winds: North winds at approximately 20 knots.
• Seas: Average wave heights of 5 feet in ice-free waters.
• Hazards: Heavy freezing spray is expected to develop as cold air moves over the water.

Prior to the warning onset today, the area is experiencing Northwest winds of 25 knots and seas of 8 feet with standard freezing spray.

Timeline

• Effective/Onset: Friday, February 20, 2026, at 5:00 PM AKST.
• Expiration: Saturday, February 21, 2026, at 5:00 AM AKST.
• Duration: The warning is expected to remain in effect for 12 hours.