* WHAT...Seas 9 to 14 ft at 14 seconds and south winds 20 to 30 kt with gusts up to 35 kt.
* WHERE...In the Main Channel of the Columbia River Bar.
* WHEN...Until 10 AM PST Tuesday.
* IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.
* ADDITIONAL DETAILS...There will be a lull in gusty winds Monday night in between weather systems before winds increase quickly Tuesday morning.