San Jacinto River Water Level

Q: What is the water level of San Jacinto River today?

San Jacinto River water levels are measured at USGS gauge W Fk San Jacinto Rv nr Humble, TX; the current gauge height updates on this page throughout the day, alongside a 30-day trend.

Q: Is San Jacinto River high or low right now?

This page compares the current reading against the trailing 30-day average and range for San Jacinto River — above the average means higher water than usual, below means lower.

Live gauge height for San Jacinto River, measured at USGS station W Fk San Jacinto Rv nr Humble, TX (5.7 mi from the nearest mapped ramp).

Latest daily gauge height

42.96 ft

Daily average for 2026-09-07

vs. 30-day average

+0.39 ft

30-day avg: 42.57 ft

Streamflow

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30-Day Water Level Trend

2026-08-09Range: 41.60–42.96 ft2026-09-07

San Jacinto River is currently 0.4 ft above its 30-day average — ramps and courtesy docks may sit deeper than usual; watch for submerged hazards near shorelines.

Boat Ramps on San Jacinto River (18)

Good Times Marina and RV park — Magnolia Gardens, Texas
Xtreme Off Road Park and Beach — Sheldon, Texas
Lee High School Open Space — Baytown, Texas
San Jacinto River — Conroe, Texas
San Jacinto River
San Jacinto River
San Jacinto River — Houston, Texas
San Jacinto River — Houston, Texas
San Jacinto River — Houston, Texas
San Jacinto River — Crosby, Texas

See all San Jacinto River boat ramps →

San Jacinto River Water Level FAQ

What is the water level of San Jacinto River today?

The most recent daily average gauge height at W Fk San Jacinto Rv nr Humble, TX was 42.96 feet on 2026-09-07.

Is San Jacinto River high or low right now?

Compared with the past 30 days, San Jacinto River is 0.4 ft above its 30-day average.

Where can I launch a boat on San Jacinto River?

BoatLaunchMap lists 18 boat ramps on San Jacinto River, each with directions, ratings, and launch details.

Data: U.S. Geological Survey, station 08069500. Gauge height is measured relative to the station datum, not lake depth. Always verify conditions on site before launching.