Weather Alerts Map

Delaware weather alerts

1 advisory is in effect for Delaware. The most serious is a coastal flood advisory.

Updated from the National Weather Service ยท lists refresh hourly; the live map loads current alerts directly from the NWS

Map data: NWS, OpenFreeMap, OpenStreetMap

Active alerts in Delaware

Alert typeActive
Coastal Flood Advisory1

Coastal Flood Advisory

Inland Sussex; Delaware BeachesUntil ยท NWS Mount Holly NJ

COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 4 PM EST THIS AFTERNOON

Delaware alerts by type

Delaware counties

Every county page lists its active alerts, the alerts issued there in recent days and its full warning and tornado history.

Recent alerts in Delaware

IssuedAlertArea
Nov 14, 3:41 AM ESTCoastal Flood AdvisoryOcean; Coastal Ocean

How often alerts are issued in Delaware

Average number of alert events per year in Delaware, 2016โ€“2025, from the NWS warning archive.

Alert typePer year20252026 so farMost recent
Severe Thunderstorm Warning62.36397November 12, 2026
Flood Advisory41.600March 23, 2024
Coastal Flood Advisory27.22224November 13, 2026
Flood Warning1653October 12, 2026
Flash Flood Warning13.62322November 12, 2026
Wind Advisory12.8194September 23, 2026
Flood Watch10.5910September 13, 2026
Severe Thunderstorm Watch10.41223October 16, 2026
Dense Fog Advisory8.6510April 3, 2026
Winter Weather Advisory792March 3, 2026
Heat Advisory6.799September 3, 2026
Tornado Warning5.5812November 12, 2026
Coastal Flood Warning4.522September 23, 2026
Frost Advisory4.363October 26, 2026
Freeze Warning2.524November 14, 2026
High Wind Warning2.332September 25, 2026

Tornadoes in Delaware

Delaware has recorded 74 tornadoes since 1950, an average of 0.7 per year over the last 30 years, with 3 deaths. See Delaware tornado history, maps and records โ†’