* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and seas 5 to 8 feet expected.
* WHERE...Nantucket Sound, Vineyard Sound and Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM.
* WHEN...From 10 PM this evening to 7 PM EST Sunday.
* IMPACTS...Conditions will be hazardous to small craft.