Alert archive / Delaware / Coastal Flood Advisories

Coastal Flood Advisories in Delaware, 2026

19 coastal flood advisories in 2026. 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 2026. Tap one for its archive.

Coastal Flood Advisories
19
Busiest month
June4 coastal flood advisories
Busiest day
August 11, 20262 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.

IssuedProductOfficeCountiesLasted
Jan 30, 3:54 PM ESTCoastal Flood AdvisoryPHISussex44 hr
Feb 1, 3:20 PM ESTCoastal Flood AdvisoryPHISussex22 hr
Feb 22, 4:47 AM ESTCoastal Flood AdvisoryPHINew Castle23 hr
Feb 23, 4:46 AM ESTCoastal Flood AdvisoryPHIKent, Sussex12 hr
Mar 16, 4:20 AM EDTCoastal Flood AdvisoryPHISussex25 hr
Apr 17, 3:00 PM EDTCoastal Flood AdvisoryPHIKent, New Castle, Sussex39 hr
Apr 19, 4:37 PM EDTCoastal Flood AdvisoryPHIKent, Sussex10 hr
Apr 29, 5:41 PM EDTCoastal Flood AdvisoryPHINew Castle11 hr
Jun 13, 2:49 AM EDTCoastal Flood AdvisoryPHIKent, Sussex21 hr
Jun 14, 12:11 AM EDTCoastal Flood AdvisoryPHIKent, Sussex25 hr
Jun 15, 3:10 AM EDTCoastal Flood AdvisoryPHIKent, Sussex23 hr
Jun 17, 4:51 PM EDTCoastal Flood AdvisoryPHINew Castle11 hr
Jul 11, 4:16 AM EDTCoastal Flood AdvisoryPHIKent, Sussex19 hr
Jul 12, 4:25 AM EDTCoastal Flood AdvisoryPHIKent, New Castle, Sussex20 hr
Aug 11, 3:23 AM EDTCoastal Flood AdvisoryPHIKent, New Castle, Sussex23 hr
Aug 11, 4:56 PM EDTCoastal Flood AdvisoryPHIKent, New Castle, Sussex33 hr
Sep 5, 4:13 PM EDTCoastal Flood AdvisoryPHIKent, Sussex29 hr
Sep 21, 1:24 PM EDTCoastal Flood AdvisoryPHIKent, New Castle, Sussex4 days
Sep 27, 12:48 PM EDTCoastal Flood AdvisoryPHISussex56 hr

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 archive2025

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.