* WHAT...Rough bar conditions expected. Seas 4 to 7 ft at 10 seconds and north winds 15 to 20 kt with gusts up to 25 kt expected.
* WHERE...In the Main Channel of the Columbia River Bar.
* WHEN...From 2 PM to 11 PM PDT Tuesday.
* IMPACTS...Conditions will be hazardous to small craft, especially when operating near to, or attempting to cross, the Columbia River Bar.