Little Manatee River near Wimauma at US 301, FL
River level and flood forecast · Hillsborough County
The river is 1.4 ft below flood stage (11 ft).
Forecast to fall to 4.9 ft by Sat, Oct 17, 8 AM.
Flow: 627 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 9:18 AM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 17 ft |
| Moderate flood stage | 14.5 ft |
| Flood stage | 11 ft |
| Action stage | 9.5 ft |
| Record crest (September 8, 1988) | 20.14 ft |
What floods at each level
From the National Weather Service, highest first.
- 28.9 ftWater overtops the guardrail of the U.S. 301 bridge.
- 25.9 ftWater reaches the road surface of U.S. 301 bridge.
- 23.9 ftWater reaches the base of U.S. 301 bridge.
- 19.5 ftCanoe rental office floods up to 4 feet deep.
- 17.1 ftCanoe rental office floods up to 18 inches deep.
- 15.8 ftWater reaches cabin steps west of the canoe rental office.
- 15 ftWater reaches the base of the canoe office.
- 14.5 ftFlooding of several houses begins near 32nd and 33rd streets in Ruskin.
- 13 ftThe canoe parking area east of the canoe rental office floods.
- 11.6 ftWater reaches the top of the bank.
Highest crests on record
- 20.14 ft — September 8, 1988
- 19.93 ft — September 15, 2001
- 19.76 ft — September 11, 1960
- 19.47 ft — August 6, 2024
- 18.79 ft — September 21, 1962
Recent crests: 11.64 ft (August 27, 2025) · 17.12 ft (October 10, 2024) · 19.47 ft (August 6, 2024) · 17.56 ft (September 29, 2022) · 13.5 ft (November 13, 2020)
Up and down the river, and nearby
- Manatee River at Rye Bridge, FL
- Alafia River at US 301 Riverview, FL
- Manatee River near Myakka Head at SR 64, FL
- Alafia River at Lithia Pinecrest Road at Lithia, FL
- Hillsborough River at Fowler Avenue, FL
- Hillsborough River at Morris Bridge, FL
- Myakka River at Myakka River State Park, FL
- Hillsborough River near Zephyrhills at State Park, FL
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (WIMF1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.