Hillsborough River Flow Today
As of November 11, 2026 at 2:30 AM, the Hillsborough River is flowing at 581 cfs near Tampa Fl, FL — 709% of normal for the date and down 1% in 24 hours. 5 of 5 USGS gauges reported in the last 3 days; flows range from 68 to 581 cfs. ❤ Favorite
Hillsborough River map
See the Hillsborough River on a live map
Every gauge, dam and paddle run on the river, one tap each:
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Hillsborough River conditions today
Where the river is running versus normal, what’s rising or dropping, and what it means for a trip — built from the live USGS readings below.
At Tampa Fl, the Hillsborough River is running 581 cfs — 709% of normal, down 1% since yesterday. Along the river, 5 of 5 reporting gauges are above normal (the typical gauge is at 283% of normal).
In the last 24 hours the river is dropping at Zephyrhills Fl (-12%).
Highest against normal: Tampa Fl at 709%. Lowest: Zephyrhills Fl at 149%.
How the Hillsborough River compares to normal
Every reporting gauge from the top of the river to the bottom: bar length is today’s flow, colour is percent of normal for the date.
Flow along the river, upstream to downstream
- Zephyrhills Fl118 ft 68 cfs283%
- Zephyrhills Fl109 ft 119 cfs149%
- Zephyrhills Fl78 ft 291 cfs267%
- Morris Branch Near Thonotosassa Fl47 ft 521 cfs390%
- Tampa Fl16 ft 581 cfs709%
Bar length uses a square-root scale so small headwater flows stay visible next to big downstream ones. Colour: <50% 50–90 90–110 110–150 150%+ of normal.
Where every gauge sits
One dot per Hillsborough River streamgauge, placed by its own percent of normal. The line is the typical gauge (283%).
Hillsborough River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Hillsborough River Above Crystal Spr Near Zephyrhills Fl FL
Nov 11, 2:15 AM · USGS 02301990 |
68 cfs | 283% | -6% | 53.37 ft | · | 118 ft |
|
Hillsborough River Below Crystal Spr Near Zephyrhills Fl FL
Nov 11, 2:15 AM · USGS 02302010 |
119 cfs | 149% | -3% | 50.92 ft | · | 109 ft |
|
Hillsborough River Near Zephyrhills Fl FL
Nov 11, 2:00 AM · USGS 02303000 |
291 cfs | 267% | -12% | 2.52 ft | 7.5 ft below | 78 ft |
|
Hillsborough River At Morris Branch Near Thonotosassa Fl FL
Nov 11, 2:45 AM · USGS 02303330 |
521 cfs | 390% | -10% | 27.26 ft | 4.7 ft below | 47 ft |
|
Hillsborough River Near Tampa Fl FL
Nov 11, 2:30 AM · USGS 02304500 |
581 cfs | 709% | -1% | 21.74 ft | · | 16 ft |
USGS provisional data. Readings are in each gauge’s local time; gauges silent for more than 3 days are marked “Last reported”. Tap any gauge for its hydrograph, forecast and history.
Dams & reservoirs on the Hillsborough River
Releases from these dams shape the flow downstream. Tap one for its daily level and history.
Hillsborough River streamflow over time
Daily total flow across every monitored gauge on the river.
Maximum streamflow by year
Hillsborough River
The Hillsborough River is a 54-mile long river in western Florida that flows from the Green Swamp to Hillsborough Bay in Tampa. The river has a rich history, as it was home to Native American tribes and served as a major transportation route during the Spanish colonial era. The river is also known for its diverse hydrology, with shallow marshes, wetlands, and deep pools. The Hillsborough River is impounded by two major reservoirs, the Hillsborough River Reservoir and the Tampa Bypass Canal. These reservoirs provide flood control and water supply to the surrounding areas. The river is a popular recreational destination, with activities such as fishing, boating, and hiking available. The Hillsborough River also supports agriculture, with crops such as strawberries, blueberries, and citrus grown along its banks.
Fishing near the Hillsborough River
About the Hillsborough River
How is the Hillsborough River flowing right now?
As of November 11, 2026, the Hillsborough River is flowing at 581 cfs near Tampa Fl, FL, about 709% of normal for the date. Across its 5 USGS gauges, current flows range from 68 to 581 cfs. Every gauge’s live reading is in the table above.
Is the Hillsborough River running high or low?
The typical gauge on the Hillsborough River is at 283% of normal for the date. Above 100% means higher than the historical average for this calendar day; below 100% means lower. The profile above shows which reaches are high or low.
What is flood stage on the Hillsborough River?
The National Weather Service sets flood stages for Zephyrhills Fl (10.0 ft), Morris Branch Near Thonotosassa Fl (32.0 ft), . The table shows how far each gauge is below its flood stage right now.
Where does the data come from?
Discharge and gage height are from the USGS National Water Information System; flood stages from the National Weather Service. The history chart sums every monitored gauge on the river.
Can I get alerts for a gauge?
Yes — open any gauge from the table, favorite it in the Snoflo app and set a flow threshold.