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Bayou Lafourche near Alto water level

River gauge, Bayou Lafourche, Louisiana, United States

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Right now

Normal for late October

Water level

35.21ft Down 0.10 ft over the last 24 hours

40 50 60 Highest onrecord 65.48 ft

History

History
405060ftOct 16Oct 17Oct 18Oct 20Oct 21405060ftOct 16Oct 18Oct 21
405060ftSep 22Sep 29Oct 6Oct 14Oct 21405060ftSep 22Oct 6Oct 21
405060ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026405060ftOct 2025Apr 2026Oct 2026
405060ftJanMarMayJulSepNov2026405060ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %)

What this means

The gauge at Bayou Lafourche near Alto reads 35.21 ft, a normal level for late October.

The median for late October is 35.36 ft, based on 29 years of readings, so the river stage is 0.15 ft below typical. On the same day last year the reading was 40.24 ft, a difference of −5.03 ft.

The level is falling, down 0.10 ft over the past 24 hours. Over the past 30 days it has moved between 34.71 ft and 35.74 ft.

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

Compared with 29 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
35.36 ft0.15 ft below the median for this date
Normal for this date
34.42 ft – 55.33 ft8 years in 10 fall in this range (29 years of records)
Same day last year
40.24 ft−5.03 ft
Lowest and highest in 30 days
34.71 ft – 35.74 ft
Lowest and highest in 12 months
34.93 ft – 51.77 ft
Highest on record
65.48 ftMarch 14, 2016

What the stage means on the water

A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.

Highest crests on record

RankLevelDate
165.48 ftMarch 14, 2016
265.30 ftMay 9, 1991
363.80 ftApril 23, 1947
463.70 ftJanuary 5, 1983
562.62 ftSeptember 12, 2008
662.41 ftFebruary 4, 1999
762.31 ftApril 29, 1973
861.72 ftOctober 19, 2009
961.49 ftMarch 1, 2001
1061.14 ftApril 7, 2000

Weather at the gauge

No rain in the last 3 days.

20 Tue 78° 43° – Wind 7 mph
21 Wed 81° 47° – Wind 6 mph
22 Thu 83° 51° – Wind 7 mph
23 Fri 86° 58° – Wind 9 mph
24 Sat 84° 56° – Wind 9 mph
25 Sun 82° 54° – Wind 9 mph
26 Mon 82° 57° – Wind 7 mph

Forecast: Open-Meteo

Sunrise 07:17 AM Sunset 06:30 PM Daylight 11 hr, 13 min Waxing gibbous 76%

Map

Other gauges on Bayou Lafourche

Gauge Level Compared with normal 24 hours Distance
Bayou Lafourche near Crew LakeRiver gauge, Bayou Lafourche −0.26 ft Very low −0.01 ft 8 mi
Bayou Lafourche at Hwy 847 east of Cane HillRiver gauge, Bayou Lafourche 4.85 ft No reference yet −0.12 ft 14 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Youngs Bayou near MonroeRiver gauge, Youngs Bayou 1.35 ft Normal +0.42 ft 5.3 mi
Bayou DeSiard at NE Drive at MonroeRiver gauge, Bayou DeSiard 6.93 ft Very low −0.13 ft 10 mi
Ouachita River at West MonroeRiver gauge, Ouachita River 18.27 ft Very low +0.09 ft 10 mi
Chauvin Bayou near MonroeRiver gauge, Chauvin Bayou 31.12 ft Normal ±0 12 mi
Boeuf River near GirardRiver gauge, Boeuf River 6.21 ft Normal +0.03 ft 13 mi
Ouachita River at SterlingtonRiver gauge, Ouachita River 50.04 ft Very low +0.12 ft 21 mi
Beaucoup Creek near Cotton PlantRiver gauge, Beaucoup Creek 1.92 ft Low −0.02 ft 28 mi
Bayou Darbonne Lake at Dam near DownsvilleReservoir, Bayou Darbonne Lake 78.84 ft Below flood stage ±0 30 mi

Questions and answers

Is Bayou Lafourche near Alto higher than last year?

No, it is 5.03 ft lower than on the same day last year, when the reading was 40.24 ft.

What is a normal level for Bayou Lafourche near Alto in late October?

The median for late October is 35.36 ft. In 8 years out of 10 the reading falls between 34.42 ft and 55.33 ft, based on 29 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 Bayou Lafourche near Alto today?

On Oct 21, 2026, 03:30 AM CDT, the water level was 35.21 ft. Down 0.10 ft over the last 24 hours.

Is Bayou Lafourche near Alto rising or falling?

Down 0.10 ft over the last 24 hours. Down 0.14 ft over the last 7 days.

Is the level of Bayou Lafourche near Alto normal?

Normal for late October. Compared with 29 years of daily readings for this time of year.

What is the highest water level ever recorded at Bayou Lafourche near Alto?

The highest level on record is 65.48 ft on March 14, 2016.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:07369050 (Agency page)
Coordinates
32.39737, -91.99458 (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 35.21 ft 2026-10-21 08:30 Provisional

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How to cite

U.S. Geological Survey: Bayou Lafourche near Alto (usgs:07369050). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/louisiana/bayou-lafourche-near-alto

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.