Flat River at High Island water level

Name: Flat River at High Island water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Flat River, Louisiana, United States

Directions

Normal for mid-October

Water level

8.08ft Steady over the last 24 hours

Measured Oct 18, 2026, 09:30 PM CDT (44 min ago)

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %)

What this means

Water levels are unremarkable at Flat River at High Island, where the gauge shows 8.08 ft.

That puts it 0.23 ft above the median of 7.85 ft for mid-October, based on 23 years of readings. A year ago it stood at 8.00 ft (+0.08 ft).

The level has held steady over the past 24 hours. The 30-day range is 7.85 ft – 8.90 ft.

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

Compared with 23 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 7.85 ft0.23 ft above the median for this date
Normal for this date: 7.51 ft – 12.20 ft8 years in 10 fall in this range (23 years of records)
Same day last year: 8.00 ft+0.08 ft
Lowest and highest in 30 days: 7.85 ft – 8.90 ft
Lowest and highest in 12 months: 7.54 ft – 18.46 ft

Paddling and fishing conditions

Most paddlers and anglers will find the river in good shape at this stage.

Weather at the gauge

No rain in the last 3 days.

18 Sun 74° 46° – Wind 8 mph

19 Mon 79° 51° – Wind 7 mph

20 Tue 81° 51° – Wind 6 mph

21 Wed 85° 53° – Wind 5 mph

22 Thu 87° 56° – Wind 4 mph

23 Fri 87° 56° – Wind 5 mph

24 Sat 87° 57° – Wind 5 mph

Forecast: Open-Meteo

Sunrise 07:21 AM Sunset 06:38 PM Daylight 11 hr, 17 min First quarter 55%

Map

Other gauges on the Flat River

Gauge	Level	Compared with normal	24 hours	Distance
Flat River at Shed Rd. near Bossier CityRiver gauge, Flat River	3.95 ft	Very low	−0.01 ft	24 mi
Flat River near CurtisRiver gauge, Flat River	2.45 ft	Very low	+0.04 ft	17 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Lake Bistineau near RinggoldLake, Lake Bistineau	133.58 ft	Below flood stage	−0.04 ft	4.4 mi
Red Chute Bayou near Elm GroveRiver gauge, Red Chute Bayou	9.30 ft	Normal	+0.02 ft	8 mi
Red Chute Bayou at SligoRiver gauge, Red Chute Bayou	17.26 ft	Normal	+0.02 ft	16 mi
Grand Bayou Reservoir at spillway near CoushattaReservoir, Grand Bayou Reservoir	40.31 ft	Very low	−0.01 ft	22 mi
Cypress Bayou near KeithvilleRiver gauge, Cypress Bayou	1.36 ft	Normal	+0.07 ft	23 mi
Bayou Dorcheat near MindenRiver gauge, Bayou Dorcheat	0.33 ft	Very low	+0.01 ft	24 mi
Red Chute Bayou at Dogwood Tr. Rd. near Bossier CityRiver gauge, Red Chute Bayou	5.43 ft	Normal	±0	24 mi
Bayou Pierre near Lake EndRiver gauge, Bayou Pierre	5.34 ft	Normal	−0.10 ft	26 mi

Questions and answers

How does the Flat River at High Island compare with last year?

It is 0.08 ft higher than on the same day last year, when the reading was 8.00 ft.

What is a normal level for the Flat River at High Island in mid-October?

The median for mid-October is 7.85 ft. In 8 years out of 10 the reading falls between 7.51 ft and 12.20 ft, based on 23 years of records.

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 Flat River at High Island today?

On Oct 18, 2026, 09:30 PM CDT, the water level was 8.08 ft. Steady over the last 24 hours.

Is Flat River at High Island rising or falling?

Steady over the last 24 hours. Steady over the last 7 days.

Is the level of Flat River at High Island normal?

Normal for mid-October. Compared with 23 years of daily readings for this time of year.

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.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:07349910 (Agency page)
Coordinates: 32.26444, -93.43111 (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

Parameter	Last value	Time (UTC)	Quality
Water level	8.08 ft	2026-10-19 02:30	Provisional

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How to cite

U.S. Geological Survey: Flat River at High Island (usgs:07349910). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/louisiana/flat-river-at-high-island

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