Nivelmap
EN

Bayou Manchac at Alligator B. near Kleinpeter water level

River gauge, Bayou Manchac, Louisiana, United States

Directions

Right now

Normal for mid-October

Water level

2.08ft Down 0.21 ft over the last 24 hours

0 5 10 15 Highest onrecord 15.13 ft

History

History
24ftOct 16Oct 17Oct 18Oct 19Oct 2124ftOct 16Oct 18Oct 21
2468ftSep 22Sep 29Oct 6Oct 13Oct 212468ftSep 22Oct 6Oct 21
-0510ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026-0510ftOct 2025Apr 2026Oct 2026
-0510ftJanMarMayJulSepNov2026-0510ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %)

What this means

Bayou Manchac at Alligator B. near Kleinpeter is at 2.08 ft, in the normal range for mid-October.

The median for mid-October is 1.98 ft, based on 26 years of readings, so the river stage is 0.11 ft above typical. On the same day last year the reading was 2.28 ft, a difference of −0.20 ft.

It has dropped 0.21 ft over the past 24 hours. In the last month it has stayed between 1.44 ft and 3.31 ft.

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

Compared with 26 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
1.98 ft0.11 ft above the median for this date
Normal for this date
0.84 ft – 4.32 ft8 years in 10 fall in this range (26 years of records)
Same day last year
2.28 ft−0.20 ft
Lowest and highest in 30 days
1.44 ft – 3.31 ft
Lowest and highest in 12 months
−0.12 ft – 11.39 ft
Highest on record
15.13 ftAugust 15, 2016

Floating and fishing near Bayou Manchac at Alligator B. near Kleinpeter

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

Highest crests on record

RankLevelDate
115.13 ftAugust 15, 2016
210.14 ftJune 5, 2001
310.00 ftMarch 3, 1966
49.44 ftDecember 23, 1961
59.43 ftJanuary 21, 2013
69.18 ftDecember 20, 2009
79.18 ftDecember 21, 2009
89.03 ftApril 26, 1973
98.70 ftSeptember 16, 1977
108.46 ftJanuary 9, 2007

Weather at the gauge

No rain in the last 3 days.

20 Tue 76° 56° – Wind 7 mph
21 Wed 76° 54° – Wind 6 mph
22 Thu 84° 54° – Wind 5 mph
23 Fri 85° 58° – Wind 9 mph
24 Sat 81° 59° – Wind 11 mph
25 Sun 82° 56° – Wind 11 mph
26 Mon 81° 55° – Wind 11 mph

Forecast: Open-Meteo

Sunrise 07:11 AM Sunset 06:28 PM Daylight 11 hr, 17 min Waxing gibbous 73%

Map

Other gauges on Bayou Manchac

Gauge Level Compared with normal 24 hours Distance
Bayou Manchac near Little PrairieRiver gauge, Bayou Manchac 2.85 ft High −0.07 ft 6 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Alligator Bayou near KleinpeterRiver gauge, Alligator Bayou 2.14 ft Normal −0.06 ft 0.0 mi
Bluff Swamp near KleinpeterRiver gauge, Bluff Swamp 2.17 ft Normal −0.07 ft 0.2 mi
Muddy Creek at Hwy 42 near Oak GroveRiver gauge, Muddy Creek 2.82 ft Low −0.01 ft 4.0 mi
Grand Goudine at Babin Rd Near DuplessisRiver gauge, Grand Goudine 1.84 ft Very low −0.04 ft 5.3 mi
Black Bayou at Hwy 621 near PrairievilleRiver gauge, Black Bayou 2.07 ft Very high −0.03 ft 7 mi
Ward Creek at Essen Lane near Baton RougeRiver gauge, Ward Creek 7.85 ft Very low −0.01 ft 8 mi
North Branch Ward Creek at Baton RougeRiver gauge, North Branch Ward Creek 14.03 ft Normal +0.14 ft 8 mi
Henderson Bayou near Port VincentRiver gauge, Henderson Bayou 2.04 ft High −0.07 ft 8 mi

Questions and answers

Is Bayou Manchac at Alligator B. near Kleinpeter higher than last year?

No, it is 0.20 ft lower than on the same day last year, when the reading was 2.28 ft.

What is a normal level for Bayou Manchac at Alligator B. near Kleinpeter in mid-October?

The median for mid-October is 1.98 ft. In 8 years out of 10 the reading falls between 0.84 ft and 4.32 ft, based on 26 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 Manchac at Alligator B. near Kleinpeter today?

On Oct 20, 2026, 08:00 PM CDT, the water level was 2.08 ft. Down 0.21 ft over the last 24 hours.

Is Bayou Manchac at Alligator B. near Kleinpeter rising or falling?

Down 0.21 ft over the last 24 hours. Up 0.29 ft over the last 7 days.

Is the level of Bayou Manchac at Alligator B. near Kleinpeter normal?

Normal for mid-October. Compared with 26 years of daily readings for this time of year.

What is the highest water level ever recorded at Bayou Manchac at Alligator B. near Kleinpeter?

The highest level on record is 15.13 ft on August 15, 2016.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:07378746 (Agency page)
Coordinates
30.32139, -91.02094 (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 2.08 ft 2026-10-21 01:00 Provisional

Download

Embed this gauge

Add a live card for this gauge to your website. It updates on its own and links back here.

How to cite

U.S. Geological Survey: Bayou Manchac at Alligator B. near Kleinpeter (usgs:07378746). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/louisiana/bayou-manchac-at-alligator-b-near-kleinpeter

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.