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Thunderstorms are rolling across Mass. Monday evening. These maps show what to expect.

Colie Bailey, a dog walker with Boston for the Dogs, walked some dogs through Pope John Paul II Park Reservation in Boston in 2021.Erin Clark/Globe Staff

A severe thunderstorm watch has been issued for parts of Massachusetts until 11 p.m. Monday as storms make their way across the region.

The watch covers Central Massachusetts, northwestern Connecticut, and much of New Hampshire

As the storms move east, they will become weaker, meaning Cape Cod is expected to be largely in the clear from severe weather. Similarly, the risk of severe weather in Eastern Mass. is “marginal,” according to the National Weather Service.

The storms made their way across Massachusetts late Monday afternoon and into the evening. The storms should clear the area entirely between 10 p.m. and midnight. The NWS says damaging winds are the biggest concern.


Also Monday, the weather service issued a Coastal Flood Statement warning that the coastlines of Massachusetts and Rhode Island may experience flooding due to astronomical high tides. As seen from the map below, tides around Boston are expected to be high enough to possibly overflow onto vulnerable low-lying areas.

The National Weather Service has predicted these levels of wave heights in New England between 8 p.m. until around 12 a.m. Monday night.National Weather Service

The thunderstorm has weakened as expected as it moved toward Eastern Massachusetts, with only the occasional sound of thunder in the greater Boston area, said NWS Observation Program Leader Alan Dunham on Monday night. There could be some thunder in Southeastern Massachusetts, including Bristol County and Cape Cod, for the rest of the night, he said.

Globe correspondent Madison Mercado contributed to this report.

Annie Bennett can be reached at annie.bennett@globe.com.