* WHAT...Northeast winds 25 to 35 kt with gusts up to 50 kt and seas 16 to 21 feet.
* WHERE...In Massachusetts coastal waters, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary and Massachusetts Bay and Ipswich Bay. In Atlantic coastal waters, Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM.
* WHEN...Until 8 PM EDT Saturday.
* IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility.