* WHAT...Very steep and hazardous seas 6 to 11 feet and northwest winds 15 to 25 kt with gusts up to 35 kt.
* WHERE...Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm.
* WHEN...Until 6 AM PDT Thursday.
* IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels.