National Weather ServiceMassachusettsFlood AdvisoryArchive to October 1, 2026
Flood Advisories in Massachusetts
The National Weather Service issued 3 flood advisories for Massachusetts in 2025 and 58 a year on average in 2008-2025; in 2021-2025 it had the 47th most of any state. 2026 through September: 0, 100% below the average of 51 for those months in 2008-2025. Berkshire was covered most often (290 times since 2008).
How many flood advisories does Massachusetts get?
Every flood advisory that covered part of Massachusetts. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 0 |
| 2025 | 3 |
| 2024 | 7 |
| 2023 | 23 |
| 2022 | 7 |
| 2021 | 33 |
| 2020 | 12 |
| 2019 | 18 |
| 2018 | 102 |
| 2017 | 59 |
| 2016 | 33 |
| 2015 | 30 |
| 2014 | 127 |
| 2013 | 105 |
| 2012 | 80 |
| 2011 | 109 |
| 2010 | 60 |
| 2009 | 110 |
| 2008 | 121 |
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
When in the year does Massachusetts get them?
Sum of 2008-2025; the busiest month is labelled.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
Where in Massachusetts?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Berkshire | 290 | 33 | July 14, 2025 |
| Worcester | 281 | 0 | April 22, 2019 |
| Middlesex | 236 | 0 | April 22, 2019 |
| Hampden | 230 | 0 | April 22, 2019 |
| Bristol | 223 | 0 | April 22, 2019 |
| Plymouth | 207 | 0 | April 22, 2019 |
| Hampshire | 200 | 0 | April 22, 2019 |
| Norfolk | 186 | 0 | April 22, 2019 |
| Franklin | 175 | 0 | April 22, 2019 |
| Essex | 140 | 0 | April 15, 2019 |
| Suffolk | 139 | 0 | April 22, 2019 |
| Barnstable | 79 | 0 | April 15, 2019 |
The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
What is a flood advisory?
A flood advisory covers flooding that is less serious than a warning, such as water on roads or in low-lying areas, that is still a hazard to drivers and walkers. An advisory is issued for a hazard less serious than a warning that can still cause inconvenience or danger if people are not careful. The national record · Every warning type in Massachusetts.