* WHAT...Very steep and hazardous seas 15 to 20 ft at 16 seconds through tonight. Monday through Tuesday, south winds 15 to 25 kt with gusts up to 35 kt and seas 10 to 14 ft at 15 seconds.
* WHERE...All areas south of Cape Blanco.
* WHEN...The Hazardous Seas Warning is in effect until 1 AM PST Monday. For the Small Craft Advisory, from 1 AM Monday to 4 AM PST Wednesday.
* IMPACTS...Very steep and hazardous seas could capsize or damage vessels. Bar crossings will become especially treacherous.
* View the hazard area in detail at https://go.usa.gov/x6hks