Coastal Services Center

National Oceanic and Atmospheric Administration

With Sea Level Rise, Floods Can Become Everyday Events

Flood Frequency Predictions for Wilmington, Delaware

Pie Charts - Sea Level Rise Increases Flood Frequencies
Sea level rise can turn minor tidal flooding into a daily event.

Annual Occurrence of High Tides With or Without Flooding

Return to the previous map of predicted Sea Level Rise Impacts

Map - Current Storm Tide Flood Levels
This map shows minor flooding from the Delaware and Christina Rivers that now happens only during storm events. Minor flooding (minimal or no property damage but possibly some public inconvenience) is a 7.2 foot threshold selected by the National Weather Service for issuing coastal flood advisories.
placemark Places of interest vulnerable to sea level rise.

Note: Flood layer in the map may take a moment to load.

This pilot project is a collaborative effort of NOAA, the U.S. Geological Survey, and the Delaware Department of Natural Resources.