* WHAT...South winds 10 to 20 kt with gusts up to 25 kt and seas 9 to 12 feet.
* WHERE...Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm.
* WHEN...Until 3 AM PST Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
* ADDITIONAL DETAILS...Conditions will likely become increasingly hazardous end of week into the weekend.