GRADUAL CHANGES FRIDAY
Clouds, wind and waves will increase today. Plan on a mostly dry and blustery day in Boston with highs in the low to mid 60s. Showers will arrive first on the Cape and Islands around midday. That rain will slowly move into southeastern MA and approach Boston around 5 PM.
I’m expecting scattered showers in the evening - still not all parts of southern New England will see rain. But the wind and waves will be cranking with gusts 50+ mph at the coast.
COASTAL STORM
Friday through Sunday we have a Coastal Flood Warning and a High Surf Advisory in effect for waves 10-20 feet, minor coastal flooding with each high tide, and inundation up to a foot. Beach erosion will be moderate from the big breaking waves over a very long duration.
Winds will peak tonight through Saturday with NE sustained winds 15-30 mph with gusts 50-60 along the coast. There is a High Wind Warning along the entire MA coastline. Inland towns will be under a Wind Advisory for gusts 35-50 mph. There will be areas of wind damage and power outages. The gust threshold for tree damage is actually lower this time year when all the leaves are still attached.
It’s going to be a soaker with 3-6″ of rain across eastern MA and 1-3″ far inland. Steady, at times heavy, rain will fall all weekend and eventually taper off late Monday or early Tuesday. Flash flooding isn’t out of the question, but less likely given the drawn out timeline.
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