The sharpest risk at Timucuan is flooding and storm activity, with Duval County recording 34 heavy-rain events, 24 thunderstorm-wind incidents, 8 floods, and 5 flash floods in recent years — plus 4 tornadoes. The preserve's mix of tidal marshes, river corridors, and low-lying terrain means water levels can rise fast and cut off access roads or launch ramps with very little warning.
Before heading out, download the NWS Jacksonville alerts app and check tidal forecasts alongside standard weather — storm surge can compound heavy rain in ways a basic radar app won't flag. Keep a waterproof dry bag for phones, keys, and documents when kayaking or hiking near the marsh edges, and identify your nearest high-ground exit before you set up camp. If skies darken quickly, get off the water immediately and move away from tall trees given the thunderstorm-wind history.
Top recorded hazards in Duval County
County dataFrom NOAA Storm Events (2024). Counts of recorded incidents — not all occurred at this park.
- Heavy Rain 34
- Thunderstorm Wind 24
- Flood 8
- Flash Flood 5
- Tornado 4
- Funnel Cloud 3
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About Timucuan Ecological & Historic Preserve
Visit one of the last unspoiled coastal wetlands on the Atlantic Coast. Discover 6,000 years of human history and experience the beauty of salt marshes, coastal dunes, and hardwood hammocks. The Timucuan Preserve includes Fort Caroline and Kingsley Plantation.
Weather
We have mild winters and hot summers. In the winter average highs are in the 60's, lows in the 40's. The summer temperatures reach up into the 90's.