National Weather ServiceConnecticutCoastal Flood AdvisoryArchive to October 1, 2026
Coastal Flood Advisories in Connecticut
The National Weather Service issued 12 coastal flood advisories for Connecticut in 2025 and 18 a year on average in 2008-2025; in 2021-2025 it had the 15th most of any state. 2026 through September: 8, 35% below the average of 12 for those months in 2008-2025. Southern Fairfield was covered most often (317 times since 2008).
How many coastal flood advisories does Connecticut get?
Every coastal flood advisory that covered part of Connecticut. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 8 |
| 2025 | 12 |
| 2024 | 42 |
| 2023 | 21 |
| 2022 | 12 |
| 2021 | 13 |
| 2020 | 20 |
| 2019 | 19 |
| 2018 | 26 |
| 2017 | 14 |
| 2016 | 14 |
| 2015 | 8 |
| 2014 | 14 |
| 2013 | 12 |
| 2012 | 15 |
| 2011 | 20 |
| 2010 | 28 |
| 2009 | 16 |
| 2008 | 14 |
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 Connecticut 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 Connecticut?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Southern Fairfield | 317 | 79 | September 28, 2026 |
| Southern New Haven | 175 | 26 | September 28, 2026 |
| Southern Middlesex | 67 | 16 | September 25, 2026 |
| Southern New London | 63 | 15 | September 25, 2026 |
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 coastal flood advisory?
A coastal flood advisory covers minor coastal flooding at high tide, such as water on shore roads and low parking lots. 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 Connecticut.