* WHAT...North winds 25 to 30 kt with gusts up to 35 kt and seas 9 to 12 ft.
* WHERE...Waters from South Santee River SC to Edisto Beach SC extending from 20 to 60 NM.
* WHEN...Until 6 AM EDT Friday.
* IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.