Wednesday Evening: Showers expand, ramp up to rain. Windy. Temps in the 50s. Overnight Wednesday Night: Windswept, torrential rain. Lows around 50. Thursday: Windswept, heavy rain. Some power outages with northeast gusts to 45 mph, higher on the Cape. Highs in the 50s. Cape Cod Radio Forecast ***Our NBC10 Boston Weather Team has issued a First Alert for Cape Cod through Friday*** Wednesday Evening: Rain with an increasing northeast wind gusting 40-50 mph. Temps in the 50s. Overnight Wednesday Night: Windswept, torrential rain with some power outages as northeast gusts reach 55 mph. Lows around 50. Thursday: Windswept, heavy rain with some power outages as northeast wind gusts to 55 mph. Beach erosion & some coastal flooding. Highs in the 50s.
Our nor’easter continues to bring gusty wind and waves of rain across southern New England on Wednesday night. More heavy rain and even higher wind gusts along with increased wave heights are forecast for Thursday into Friday as the storm stalls south. We won’t see an end to the raw conditions until a cold front sweeps the storm away by the end of the weekend.
Timing, Rain:
Showers have been steady across Connecticut, Rhode Island and Massachusetts all day. There will be a few breaks in the heavy rainfall, but more waves of rain will move in tonight and last through Saturday morning.
The heaviest rainfall totals will be across southeastern Massachusetts. By Saturday, they could see 3 to 6 inches of rainfall which may lead to some street flooding. 1 to 3 inches of rain is likely across Rhode Island and central Massachusetts to Boston. Less than an inch of rain is expected in western Massachusetts, central Connecticut and southern Vermont and New Hampshire.
Northern New England will miss out on all this heavy rainfall. They will continue to see cool temperatures and breezy weather through the end of the week. Falling leaves will add to the slick road conditions and may also clog the storm drains.
Wind:
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The wind gusts will increase gradually Wednesday night and will stay strong through Friday morning. Peak winds between 30 and 40 mph will be likely from Boston to Worcester, with higher and more damaging wind gusts across the coastline. The south shore, Cape Cod and the islands will see 50 to 60 mph gusts. This will lead to some power outages and damage may be more widespread with the leaves still on the trees and weighing them down.
Coastal Flooding:
We have four tide cycles where there is a chance for splashover and possible minor flooding in low-lying communities. Our tides are astronomically low, but the wave heights offshore will be 10 to 20 feet from Thursday morning through Friday night. As we continue to see a northeast flow, there will also be beach erosion on northeastern facing beaches.
10-Day Outlook:
A cold front heads through Saturday into Sunday, sweeping out the nor’easter. Lingering showers will taper Saturday, and we clear out Sunday with sunshine and temps in the low 60s. We keep a break in the rain through Monday. Showers return for mid-week next week as temperatures stay with the autumn season, highs in the low 60s to 50s north.
