National Weather ServiceDelawareCoastal Flood WatchArchive to October 1, 2026
Coastal Flood Watches in Delaware
The National Weather Service issued 2 coastal flood watches for Delaware in 2025 and 3 a year on average in 2008-2025; in 2021-2025 it had the 7th most of any state. 2026 through September: 2, in line with the average of 2 for those months in 2008-2025. Delaware Beaches was covered most often (52 times since 2008).
How many coastal flood watches does Delaware get?
Every coastal flood watch that covered part of Delaware. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 2 |
| 2025 | 2 |
| 2024 | 7 |
| 2023 | 4 |
| 2022 | 3 |
| 2021 | 3 |
| 2020 | 2 |
| 2019 | 2 |
| 2018 | 7 |
| 2017 | 1 |
| 2016 | 2 |
| 2015 | 2 |
| 2014 | 3 |
| 2013 | 3 |
| 2012 | 2 |
| 2011 | 4 |
| 2010 | 1 |
| 2009 | 5 |
| 2008 | 2 |
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 Delaware 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 Delaware?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Delaware Beaches | 52 | 11 | September 23, 2026 |
| Inland Sussex | 51 | 11 | September 23, 2026 |
| Kent | 49 | 12 | September 23, 2026 |
| New Castle | 23 | 6 | October 12, 2025 |
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 watch?
A coastal flood watch means significant coastal flooding is possible. A watch means the conditions for the hazard are possible or favourable, but it is not yet happening: be ready to act if a warning follows. The national record · Every warning type in Delaware.