* WHAT...Very steep and hazardous seas 9 to 14 feet and north winds 20 to 30 kt with localized gusts up to 35 kt.
* WHERE...Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm.
* WHEN...Until 11 AM PDT Saturday.
* IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels.