Oct 29, 2021
Strong high pressure located in eastern Canada and slow moving low pressure approaching from the southeastern states resulted in a prolonged onshore flow along the Middle Atlantic coast. Moderate to major flooding occurred in the tidal areas of Delaware on the afternoon and evening of October 29.
Source: NOAA National Weather Service Storm Events Database (event 986553). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Delaware Beaches County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.