* WHAT...Rough bar conditions expected. South winds 15 to 20 kt with gusts up to 25 kt.
* WHERE...In the Main Channel of the Columbia River Bar.
* WHEN...From 10 AM this morning to 7 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 4.8 kt at 330 AM Tuesday. Seas 3 ft. Ebb current of 2.89 kt at 403 PM Tuesday. Seas 5 to 6 ft. Ebb current of 5.14 kt at 411 AM Wednesday. Seas 3 to 4 ft.