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Highland Bayou at FM 646 near Santa Fe water level

River gauge, Highland Bayou, Texas, United States

Directions

Below flood stage

Water level

9.76ft Steady over the last 24 hours

10 13 15 Minor floodstage 15.00 ft

History

9.789.809.83ftOct 16Oct 17Oct 18Oct 19Oct 219.789.809.83ftOct 16Oct 18Oct 21
9.89.910.010.1ftSep 22Sep 29Oct 6Oct 13Oct 219.89.910.010.1ftSep 22Oct 6Oct 21
101214ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026Minor flood stage101214ftOct 2025Apr 2026Oct 2026Minor flood stage
101112ftJanMarMayJulSepNov2026101112ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %) Minor flood stage

What this means

Highland Bayou at FM 646 near Santa Fe is at 9.76 ft, in the normal range.

It is 5.24 ft below the flood stage of 15.00 ft.

It has barely moved over the past 24 hours. In the last month it has stayed between 9.76 ft and 10.10 ft.

Fall is often low-water season on rivers, until steadier rain returns.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Lowest and highest in 30 days
9.76 ft – 10.10 ft
Lowest and highest in 12 months
9.75 ft – 12.53 ft

Floating and fishing near Highland Bayou at FM 646 near Santa Fe

Normal flows mean predictable rapids and good access at most put-ins.

Flood stage here is 15.00 ft, 5.24 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

Weather at the gauge

No rain in the last 3 days.

20 Tue 78° 60° – Wind 11 mph
21 Wed 80° 62° – Wind 10 mph
22 Thu 80° 60° – Wind 9 mph
23 Fri 80° 64° – Wind 10 mph
24 Sat 80° 69° – Wind 15 mph
25 Sun 75° 67° 0.02 in Wind 14 mph
26 Mon 80° 69° 0.02 in Wind 13 mph

Forecast: Open-Meteo

Sunrise 07:26 AM Sunset 06:45 PM Daylight 11 hr, 19 min Waxing gibbous 73%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Dickinson Bayou at FM 517 near AlvinRiver gauge, Dickinson Bayou 12.12 ft Below flood stage −0.02 ft 6.2 mi
Clear Creek near FriendswoodRiver gauge, Clear Creek 1.73 ft Normal +0.18 ft 11 mi
Mustang Bayou at SH 6 near AlvinRiver gauge, Mustang Bayou 32.14 ft Below flood stage −0.03 ft 11 mi
Chocolate Bayou near AlvinRiver gauge, Chocolate Bayou 11.24 ft Normal +0.01 ft 14 mi
Austin Bayou at SH 35 near LiverpoolRiver gauge, Austin Bayou 8.79 ft Very low −0.05 ft 16 mi
Clear Creek at Mykawa St near PearlandRiver gauge, Clear Creek 31.10 ft Normal +0.02 ft 19 mi
Hickory Sl at FM 865 near PearlandRiver gauge, Hickory Sl 44.87 ft Low −0.01 ft 20 mi
Berry Bayou at Nevada St, HoustonRiver gauge, Berry Bayou 15.50 ft Normal −0.02 ft 21 mi

Questions and answers

What is flood stage for Highland Bayou at FM 646 near Santa Fe?

The official flood stage is 15.00 ft. The level is currently 5.24 ft below it.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Highland Bayou at FM 646 near Santa Fe today?

On Oct 20, 2026, 09:00 PM CDT, the water level was 9.76 ft. Steady over the last 24 hours.

Is Highland Bayou at FM 646 near Santa Fe rising or falling?

Steady over the last 24 hours. Down 0.08 ft over the last 7 days.

Is the level of Highland Bayou at FM 646 near Santa Fe normal?

Below flood stage. Judged against the official flood stage for this gauge.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

Where does this data come from?

The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:08077670 (Agency page)
Coordinates
29.38056, -95.09005 (WGS84)
Vertical datum
NAVD88
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Water level 9.76 ft 2026-10-21 02:00 Provisional

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How to cite

U.S. Geological Survey: Highland Bayou at FM 646 near Santa Fe (usgs:08077670). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/texas/highland-bayou-at-fm-646-near-santa-fe

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer