* WHAT...Rough bar conditions expected. Seas 7 to 10 ft at 11 seconds and west winds 15 to 25 kt with gusts up to 30 kt expected.
* WHERE...In the Main Channel of the Columbia River Bar.
* WHEN...Until 11 AM PDT Wednesday.
* IMPACTS...Conditions will be hazardous to small craft, especially when operating near to, or attempting to cross, the Columbia River Bar.
* ADDITIONAL DETAILS...Very strong ebb current of 6.98 kt at 601 PM Tuesday. Seas 9 ft. Ebb current of 3.8 kt at 632 AM Wednesday. Seas 7 ft. Very strong ebb current of 6.88 kt at 644 PM Wednesday. Seas 10 ft.