* WHAT...For the Gale Warning, south winds 30 to 40 kt with gusts up to 50 kt and seas 15 to 20 ft. For the Small Craft Advisory, south winds 20 to 30 kt with gusts up to 40 kt and seas 13 to 18 ft expected.
* WHERE...Sumner Strait.
* WHEN...For the Gale Warning, until 3 AM AKST Friday. For the Small Craft Advisory, from 3 AM to 9 AM AKST Friday.
* IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.