Expires:202308151215;;675204 FZUS71 KBOX 151120 MWSBOX Marine Weather Statement National Weather Service Boston/Norton MA 720 AM EDT Tue Aug 15 2023 ANZ254-255-271-272-151215- 720 AM EDT Tue Aug 15 2023 ...A STRONG THUNDERSTORM APPROACHING THE WATERS... The areas affected include... Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket... Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm... Ocean Waters from Marthas Vineyard to Nantucket from 25 to 45 NM offshore... Ocean Waters from Provincetown to Nantucket from 20 to 35 NM offshore... At 719 AM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located 20 nm south of The Coastal Waters South Of Nantucket, moving northeast at 30 knots. The strong thunderstorm will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Expect gusty winds to around 30 knots...briefly rough seas and lightning strikes. Consider heading for safe harbor until this storm passes. Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible and keep away from ungrounded metal objects. && LAT...LON 4120 6914 4102 6921 4073 6947 4064 6961 4059 6979 4103 7018 4153 6921 4147 6915 $$ RM