Storm Warning Issued for Southeast Alaska Coastal Waters: 45-Knot Winds and 37-Foot Seas Expected

Alert Details

The National Weather Service (NWS) office in Juneau, AK, has issued a Storm Warning for Southeast Alaska coastal waters. The alert is currently in effect and is scheduled to remain active until Thursday afternoon.

Affected Areas

The warning specifically covers the coastal waters from Cape Decision to Cape Edgecumbe out to 15 nautical miles. The broader forecast area includes Southeast Alaska Coastal Waters from Dixon Entrance to Cape Suckling out to 100 nautical miles.

What You Should Do

According to the National Weather Service, individuals in the affected maritime areas should avoid travel and exposure to the open water. Mariners should ensure vessels are secured and monitor further updates from NWS Juneau.

Expected Conditions

Extreme marine conditions are forecast for the duration of this event:

• Wind Speeds: Winds are expected to increase from Southeast 15 knots to South 40 knots tonight. By Thursday, winds will reach Southwest 45 knots.
• Sea Heights: Seas will build from 11 feet to 22 feet tonight, peaking at an average height of 37 feet on Thursday. Seas are expected to subside to 27 feet and eventually 18 feet by Thursday night.
• Precipitation: Rain showers are expected, with a slight chance of thunderstorms beginning late tonight and continuing through Thursday.

Timeline

• Warning Issued: February 11 at 2:15 PM AKST
• Onset of Peak Conditions: Thursday, February 12 at 5:00 AM AKST
• Warning Expiration: Thursday, February 12 at 5:00 PM AKST

Conditions are expected to improve by Friday, with winds decreasing to Southwest 15 knots and seas subsiding to approximately 13 feet.