* WHAT...For the Storm Warning, seas 13 to 18 ft at 12 seconds and south winds 30 to 40 kt with gusts up to 50 kt. For the Hazardous Seas Warning, very steep and hazardous seas 19 to 24 ft at 16 seconds and south winds 20 to 30 kt expected.
* WHERE...In the Main Channel of the Columbia River Bar.
* WHEN...Storm Warning, until 4 AM PST Sunday. Hazardous Seas Warning, from 4 AM Sunday to 4 AM PST Monday.
* IMPACTS...Very strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.