Alert archive / Massachusetts / 2025

Weather alerts in Massachusetts, August 2025

39 weather alerts in August 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in August 2025. Tap one for its archive.

Alerts
39
Warnings
22
Watches
1
Advisories
12
Busiest day
August 13, 20257 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Aug 1, 1:28 PM EDTSmall Craft AdvisoryBOX11 hr
Aug 13, 12:42 PM EDTMesoscale DiscussionSPCBerkshire, Franklin, Hampden, Hampshire, Worcester2 hr
Aug 13, 4:37 PM EDTSevere Thunderstorm WarningBOXEssex, Middlesex, Worcester53 min
Aug 13, 5:00 PM EDTSevere Thunderstorm WarningBOXHampden, Worcester33 min
Aug 13, 5:03 PM EDTFlash Flood WarningBOXHampden85 min
Aug 13, 6:58 PM EDTFlash Flood WarningBOXEssex, Middlesex97 min
Aug 13, 7:05 PM EDTSevere Thunderstorm WarningBOXEssex, Middlesex55 min
Aug 13, 7:26 PM EDTSpecial Marine WarningBOX94 min
Aug 14, 4:54 PM EDTSpecial Marine WarningBOX66 min
Aug 14, 5:33 PM EDTSpecial Marine WarningBOX46 min
Aug 14, 5:51 PM EDTSpecial Marine WarningBOX54 min
Aug 14, 6:41 PM EDTSpecial Marine WarningBOX64 min
Aug 14, 6:56 PM EDTSevere Thunderstorm WarningBOXBristol, Middlesex, Norfolk, Plymouth, Suffolk64 min
Aug 14, 8:45 PM EDTSpecial Marine WarningBOX49 min
Aug 17, 2:20 AM EDTSmall Craft AdvisoryBOX4 days
Aug 17, 6:12 PM EDTSpecial Weather StatementALYBerkshire63 min
Aug 18, 4:33 AM EDTSmall Craft AdvisoryBOX8 hr
Aug 18, 3:13 PM EDTHigh Surf AdvisoryBOXBarnstable, Bristol, Dukes, Essex, Nantucket, Norfolk and 1 more5 days
Aug 19, 1:11 PM EDTGale WatchBOX25 hr
Aug 20, 1:46 PM EDTWind AdvisoryBOXBarnstable, Dukes, Nantucket48 hr
Aug 20, 2:31 PM EDTGale WarningBOX48 hr
Aug 20, 2:31 PM EDTSmall Craft AdvisoryBOX4 days
Aug 20, 2:42 PM EDTCoastal Flood AdvisoryBOXDukes, Nantucket32 min
Aug 20, 2:42 PM EDTCoastal Flood AdvisoryBOXBristol, Dukes, Nantucket59 hr
Aug 20, 3:14 PM EDTCoastal Flood AdvisoryBOXDukes, Nantucket35 hr
Aug 21, 1:03 PM EDTCoastal Flood StatementBOXBarnstable, Essex, Norfolk, Plymouth, Suffolk37 hr
Aug 21, 1:03 PM EDTCoastal Flood AdvisoryBOXBristol21 hr
Aug 23, 8:04 PM EDTRip Current StatementBOXBarnstable, Bristol, Dukes, Essex, Nantucket, Norfolk and 1 more24 hr
Aug 24, 7:21 AM EDTSmall Craft AdvisoryBOX15 hr
Aug 25, 4:12 AM EDTSmall Craft AdvisoryBOX28 hr
Aug 27, 4:13 PM EDTSpecial Marine WarningBOX62 min
Aug 29, 10:06 AM EDTSpecial Marine WarningBOX54 min
Aug 29, 10:56 AM EDTSpecial Marine WarningBOX38 min
Aug 29, 11:11 AM EDTSpecial Marine WarningBOX37 min
Aug 29, 11:45 AM EDTSpecial Marine WarningBOX39 min
Aug 29, 12:37 PM EDTSpecial Marine WarningBOX53 min
Aug 29, 12:45 PM EDTSevere Thunderstorm WarningBOXBristol32 min
Aug 29, 1:29 PM EDTSpecial Marine WarningBOX23 min
Aug 29, 8:58 PM EDTSpecial Marine WarningBOX62 min

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20242026

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.