* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and seas 4 to 7 feet.
* WHERE...Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM and Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket.
* WHEN...Until 7 PM EST Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.