* WHAT...For the Hazardous Seas Warning, very steep and hazardous seas 18 to 23 ft at 16 seconds and southeast winds 5 to 10 kt. For the Gale Warning, seas 10 to 12 ft at 13 seconds and south winds 20 to 30 kt with gusts up to 35 kt expected.
* WHERE...In the Main Channel of the Columbia River Bar.
* WHEN...Hazardous Seas Warning, until 4 AM PST Monday. Gale Warning, from 4 AM to 7 PM PST Monday.
* IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.