* 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 8 AM this morning to 8 PM PDT this evening.
* 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 2.35 kt at 318 PM Monday. Seas 4 to 5 ft. Ebb current of 4.80 kt at 330 AM Tuesday. Seas 3 ft. Ebb current of 2.89 kt at 442 PM Tuesday. Seas 4 to 5 ft.