* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and seas 4 to 7 feet expected.
* WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM.
* WHEN...From 2 PM Thursday to 8 PM EDT Friday.
* IMPACTS...Conditions will be hazardous to small craft.