* WHAT...Very steep and hazardous seas 24 to 29 feet and southwest winds 15 to 25 kt with gusts up to 35 kt expected.
* WHERE...Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm.
* WHEN...Until 9 PM PST Saturday.
* IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels.