Alert archive / Delaware / Coastal Flood Advisories
Coastal Flood Advisories in Delaware, 2025
22 coastal flood advisories in 2025. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of coastal flood advisories reaches back to 2005.
Coastal Flood Advisories by county
Each county as a circle sized by its count in 2025. Tap one for its archive.
- Coastal Flood Advisories
- 22
- Busiest month
- May6 coastal flood advisories
- Busiest day
- July 23, 20252 coastal flood advisories
Over time
By month
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 5:36 PM EDT | Coastal Flood Advisory | PHI | Kent, New Castle | 36 hr |
| May 21, 3:54 PM EDT | Coastal Flood Advisory | PHI | Kent, New Castle | 7 hr |
| May 22, 3:59 AM EDT | Coastal Flood Advisory | PHI | Kent, Sussex | 17 hr |
| May 23, 4:54 AM EDT | Coastal Flood Advisory | PHI | Sussex | 9 hr |
| May 26, 3:05 PM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 14 hr |
| May 28, 4:51 PM EDT | Coastal Flood Advisory | PHI | Kent, Sussex | 9 hr |
| Jun 26, 4:25 AM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 23 hr |
| Jun 27, 6:36 PM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 12 hr |
| Jul 22, 8:39 PM EDT | Coastal Flood Advisory | PHI | Kent, New Castle | 3 hr |
| Jul 23, 3:37 AM EDT | Coastal Flood Advisory | PHI | Kent, New Castle | 24 hr |
| Aug 18, 4:45 AM EDT | Coastal Flood Advisory | PHI | Sussex | 17 hr |
| Aug 19, 11:10 AM EDT | Coastal Flood Advisory | PHI | Kent, Sussex | 11 hr |
| Aug 20, 4:15 PM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 4 days |
| Sep 9, 12:40 PM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 52 hr |
| Sep 15, 5:24 PM EDT | Coastal Flood Advisory | PHI | Kent, Sussex | 28 hr |
| Sep 17, 5:05 AM EDT | Coastal Flood Advisory | PHI | Sussex | 11 hr |
| Sep 30, 5:49 PM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 32 hr |
| Oct 2, 6:06 AM EDT | Coastal Flood Advisory | PHI | Sussex | 16 hr |
| Oct 8, 5:21 AM EDT | Coastal Flood Advisory | PHI | Kent, Sussex | 4 days |
| Oct 13, 7:55 PM EDT | Coastal Flood Advisory | PHI | Kent, Sussex | 37 hr |
| Oct 18, 9:27 AM EDT | Coastal Flood Advisory | PHI | Sussex | 53 hr |
| Oct 28, 10:52 AM EDT | Coastal Flood Advisory | PHI | Kent, New Castle, Sussex | 3 days |
By county
Every county with at least one alert. A county page lists each alert that covered it.
The busiest days
Days with the most alerts issued, by UTC date.
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. Warning verification from the Mesonet's Cow. Rebuilt daily.