* WHAT...Northeast winds 20 to 30 kt with gusts up to 40 kt and seas 6 to 9 feet expected.
* WHERE...In Massachusetts coastal waters, Nantucket Sound, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound.
* WHEN...From 5 AM Wednesday to 8 PM EDT Thursday.
* IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.