


Special Marine Warning
Issued by NWS Boston, MA
Issued by NWS Boston, MA
Versions:
1
127 WHUS51 KBOX 272013 SMWBOX ANZ250-251-272115- /O.NEW.KBOX.MA.W.0040.250827T2013Z-250827T2115Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Boston/Norton MA 413 PM EDT Wed Aug 27 2025 The National Weather Service in Boston/Norton has issued a * Special Marine Warning for... Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary... Massachusetts Bay and Ipswich Bay... * Until 515 PM EDT. * At 413 PM EDT, a strong thunderstorm was located over Ipswich Bay, moving east at 15 knots. HAZARD...Wind gusts to 40 knots and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Eastern Point Ma, Mass Bay Buoy 44029, Sandy Bay, Ipswich Bay, Thatcher Island, Essex Bay, and Plum Island. PRECAUTIONARY/PREPAREDNESS ACTIONS... Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. && LAT...LON 4276 7022 4243 7052 4259 7088 4261 7082 4265 7088 4268 7089 4280 7078 4282 7064 TIME...MOT...LOC 2013Z 288DEG 16KT 4272 7070 HAIL...<.75IN WIND...40KTS $$ KP