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Maps: What to expect from the nor’easter approaching Mass.

Heavy rain and damaging winds begin across the region Tuesday morning.
Heavy rain and damaging winds begin across the region Tuesday morning.John Tlumacki/Globe Staff/file

Massachusetts is expected to be hit by a nor’easter this week to close out October.

Tuesday’s rain will continue into early Wednesday as a developing strong coastal storm will bring the potential for flooding and damaging winds, according to the National Weather Service.

The National Weather Service on Monday issued a high wind warning, which went into effect for portions of Eastern Massachusetts and Rhode Island Tuesday afternoon and will stay in effect until Wednesday at 2 p.m. Boston and Cape Cod could see wind gusts from 60 to 70 m.p.h.

Timing

The heaviest rain is predicted to take place from late Tuesday night through Wednesday morning. Forecasters predict strong to damaging winds to begin Tuesday afternoon and continue through early Wednesday morning.

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NOAA

High winds possible

Strong winds Tuesday could cause damage to trees and power lines, leading to power outages across Eastern Massachusetts and Cape Cod, forecasters warn. Winds were beginning to pick up Tuesday, and gusts of 25 to 37 mph swept across the coast and Cape Cod.

Winds are expected to ramp up after 4 p.m. Tuesday afternoon on Cape Cod and in the rest of southern New England Tuesday night.

Wind gusts recorded Tuesday afternoon.
Wind gusts recorded Tuesday afternoon.NOAA
What to expect from the nor’easter approaching Mass.
Rain will fall Tuesday and continue into early Wednesday as a developing strong coastal storm will bring the potential for flooding and damaging winds. (NOAA)

Flooding concerns

Heavy rain fell across the region Tuesday morning, and will continue overnight. The heaviest rain is predicted to fall across parts of Connecticut, Rhode Island, and Eastern Massachusetts including Worcester and Boston. Boston is expected to receive an additional 3 to 4 inches of rain.

NOAA

Rainfall rates could exceed 1 inch per hour at times, leading to flooding of roads and low-lying areas. Because of this, a flood watch was put in place which went into effect for much of the region starting Tuesday at 2 a.m. and will end Wednesday at 8 p.m.

NOAA

Maps will be updated as the forecast changes.

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Maria Elena Little Endara can be reached at mariaelena.littleendara@globe.com.