Headline:
Hazardous Seas Warning issued December 21 at 1:52PM PST until December 22 at 2:00AM PST by NWS Portland OR
Event:
Hazardous Seas Warning
Urgency:
Expected
Effective:
December 21, 2024 - 1:52pm
Expires:
December 22, 2024 - 6:00am
Description:
* WHAT...For the Hazardous Seas Warning, very steep and hazardous
seas 16 to 18 ft at 15 seconds and south winds 10 to 20 kt with
gusts up to 25 kt. For the Gale Warning, seas 18 to 20 ft at 15
seconds and southeast winds 20 to 30 kt with gusts up to 45 kt
expected.
* WHERE...In the Main Channel of the Columbia River Bar.
* WHEN...Hazardous Seas Warning, until 2 AM PST Sunday. Gale
Warning, from 2 AM to 7 PM PST Sunday.
* IMPACTS...Strong winds will cause hazardous seas which could
capsize or damage vessels and reduce visibility.
* ADDITIONAL DETAILS...Ebb current of 3.7 kt at 854 PM Saturday.
Seas 12 to 16 ft. Ebb current of 3.16 kt at 1000 AM Sunday. Seas
12 to 15 ft. Ebb current of 3.05 kt at 950 PM Sunday. Seas 12 to
16 ft.
Instruction:
A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
harbor prior to the onset of gale conditions.
Area Description:
Columbia River Bar
Forcast Office:
NWS Portland OR