* WHAT...Rough bar conditions expected.
* WHERE...In the Main Channel of the Columbia River Bar.
* WHEN...Until 2 AM PDT Thursday.
* 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 4.47 kt at 310 PM Wednesday. Seas 6 ft. Ebb current of 4.96 kt at 325 AM Thursday. Seas 6 to 7 ft. Ebb current of 5.19 kt at 355 PM Thursday. Seas 6 ft.