* WHAT...Rough bar conditions expected. Seas 8 to 12 ft at 12 seconds and north winds 10 to 20 kt with gusts up to 30 kt expected.
* WHERE...In the Main Channel of the Columbia River Bar.
* WHEN...From 11 AM this morning to 8 AM PDT Friday.
* 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 4.12 kt at 253 PM Thursday. Seas 7 to 8 ft. Ebb current of 4.12 kt at 253 PM Thursday. Seas 7 to 8 ft. Ebb current of 4.95 kt at 332 PM Friday. Seas 6 to 7 ft.