The areas affected include... Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM... Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM...
At 712 AM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located 52 nm south of The Coastal Waters South Of Nantucket, moving southeast at 15 knots.
The strong thunderstorm will remain over mainly open waters.