RIVER GAUGE · NASSAU RIVER
Nassau River near Tisonia (in MHHW)
Duval County, Florida
Water level0.08 ft
Flow—
Last readingSep 16, 2026, 4:30 PM UTC (last recorded)
Action0.8 ft
Minor flood1.3 ft
Moderate flood2.3 ft
Major flood3.3 ft
The past week
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What floods at each level
- 3.3 ft
Extensive inundation of structures and roads in the area. Evacuations of people or transfer of property to higher ground is likely.
- 2.29 ft
Some inundation of structures and roads is expected. Evacuations of people or property to higher ground is possible.
- 1.3 ft
Minimal or no property damage. Minor flooding of low lying roads, campgrounds, boat ramps, docks along the river basin.
- 0.8 ft
Should water levels continue rising...preparations to protect property should begin.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Sep 11, 2017 | 4.52 ft | — |
| Nov 10, 2022 | 3.43 ft | — |
| Sep 29, 2022 | 3.02 ft | — |
Get an alert when Nassau River rises
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