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ALT Graphic showing a Flood Watch in effect for RI and Southeast MA Friday and Friday night.
ALT National Weather Service Boston wind gust forecast for Wednesday, October 21, through Friday, October 23. A color-coded table shows forecast gusts every three hours for 17 locations across southern New England. Strongest gusts Wednesday are expected across Cape Cod, the Islands, and Block Island, generally 30–40 mph, with Nantucket reaching 40 mph. Inland gusts are generally 20–30 mph, with lighter winds in western Massachusetts. Coastal winds remain gusty Thursday before gradually diminishing Friday.
ALT Table showing maximum wind gusts and the chances of precipitation between 10/14/2026 and 10/18/2026 in 6 hour intervals, starting 6 AM 10/14 and ending 6 PM 10/18. The highest wind gusts are expected Saturday where gusts to 35 mph and even 40 mph are possible. Gusts up to 30 mph possible today (10/14/2026). Rain chances increase considerably starting Friday morning with the arrival of our next system, lasting through late Friday night/early Saturday morning.
ALT Map of the newly issued Flood Watch which is in effect for all of Eastern MA and RI until 2 AM Tuesday.
ALT Key messages for a September Nor’easter: significant coastal impacts through Monday including dangerous coastal flooding, hazardous beach conditions, and powerful wind gusts, accompanied by maps showing forecast coastal flood points and rainfall totals for the Eastern Seaboard.
ALT National forecast map showing rain and thunderstorms from Texas through the Midwest into the Great Lakes and coastal New England, with hatched red areas over parts of Missouri/Nebraska and New England indicating heavy rain/flash‑flood risk, plus surface fronts and high/low centers; valid 8am EDT
ALT Graphic showing the forecast rain totals for this Nor'easter system. Timing is Friday night through Monday, and totals range between around an inch in far western MA to up to 4-6 inches in eastern MA, including the Cape and Islands. Totals increase from west to east. Prolonged period of rainfall, potentially heavy at times within bands expected. Urban poor drainage street flooding is another concern.
ALT Graphic showing where Storm Warnings are in effect for the southern New England waters, which is all of the MA and RI waters. Seas up to 20 ft offshore are possible, along with winds gusting between 45-60 kt. Storm force winds and hazardous waves will capsize or damage vessels and reduce visibility. Mariners should remain in port, alter course, and/or secure the vessel for severe conditions.
ALT Graphic showing where a Coastal Flood Watch has been issued for southern New England, which is the east-facing beaches and the Islands of MA. Timing for the greatest impacts is the Friday afternoon though Sunday evening high tide cycles. Beach erosion and minor to perhaps pockets of moderate coastal flooding are expected. Main impacts come from a prolonged period of strong NE winds aligned with several high tide cycles.
ALT Graphic showing where High Wind Warnings and a Wind Advisory are in effect over southern New England. High Wind Warnings are in effect for the eastern MA coast and into RI, plus the south coast of MA. The Wind Advisory stretches westward across central MA, much of CT, and eastern Hampden County. Sustained winds between 30-40 MPH and peak gusts between 45-60 MPH are possible through the timeframe of this nor'easter, generally between 8 AM Friday and 2 AM Sunday.
ALT Graphic showing the potential coastal storm track late this weekend into this weekend.
ALT NWS Boston graphic highlighting the potential for near-gale-force gusts Thursday, with the highest probabilities over the southern offshore waters. A Gale Watch is in effect for southern coastal waters beginning Tuesday afternoon, with dangerous seas potentially reaching 15–20 feet by Friday.
