* WHAT...Rough bar conditions expected. North winds 15 to 20 kt with gusts up to 25 kt.
* 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.
* ADDITIONAL DETAILS...Ebb current of 5.19 kt at 151 AM Monday. Seas 3 to 4 ft. Ebb current of 2.95 kt at 234 PM Monday. Seas 3 ft. Ebb current of 5.56 kt at 252 AM Tuesday. Seas 4 ft.