Bayou Lafourche near Alto water level
River gauge, Bayou Lafourche, Louisiana, United States
Right now
Normal for late October
Water level
History
20252026
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
| Rank | Level | Date |
|---|---|---|
| 1 | 65.48 ft | March 14, 2016 |
| 2 | 65.30 ft | May 9, 1991 |
| 3 | 63.80 ft | April 23, 1947 |
| 4 | 63.70 ft | January 5, 1983 |
| 5 | 62.62 ft | September 12, 2008 |
| 6 | 62.41 ft | February 4, 1999 |
| 7 | 62.31 ft | April 29, 1973 |
| 8 | 61.72 ft | October 19, 2009 |
| 9 | 61.49 ft | March 1, 2001 |
| 10 | 61.14 ft | April 7, 2000 |
Weather at the gauge
No rain in the last 3 days.
Forecast: Open-Meteo
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
| Parameter | Last value | Time (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.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer