The areas affected include... Block Island Sound... Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket... Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island... 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 715 AM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located 12 nm southwest of The Coastal Waters South Of Marthas Vineyard, moving east at 45 knots.
Locations impacted include... The Coastal Waters Southeast Of Block Island, The Coastal Waters South Of Marthas Vineyard, and Buoy 44097 Southeast Of Block Island.