Flash flooding is the standout hazard at Assateague Island, with 6 recorded flash flood events making it the most frequent documented threat on this low-lying barrier island. Thunderstorm wind events add to the picture, logging 4 incidents that can roll in fast off the Atlantic with little warning. The surrounding county also carries a violent crime rate of 446.8 per 100,000 residents, worth keeping in mind when choosing where to park and sleep overnight.
For flood risk, set up your tent on the highest ground available within your site and avoid camping in low swales or near tidal channels where water collects quickly. Keep a battery-powered NOAA weather radio in your kit so you catch storm alerts before conditions deteriorate — cell service on the island is unreliable. Store valuables and documents in a locked vehicle rather than inside a tent, and park in well-lit areas closer to ranger stations when possible.
Top recorded hazards in Worcester County
County dataFrom NOAA Storm Events (2024). Counts of recorded incidents — not all occurred at this park.
- Flash Flood 6
- Thunderstorm Wind 4
- Heavy Rain 1
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About Assateague Island National Seashore
Want to live on the edge? Visit a place recreated each day by ocean wind and waves. Life on Assateague Island has adapted to an existence on the move. Explore sandy beaches, salt marshes, maritime forests and coastal bays. Rest, relax, recreate and enjoy some time on the edge of the continent.
Weather
Spring: Often windy and cool with lows in the 40's and highs in the 60's. Summer: Hot and humid with lows in the 60's and highs in the 80's. Fall: Warm with lows in the 50's and highs in the 70's. Winter: Damp cold and often windy. Lows in the 20's, highs in the 40's.