Bayou Lafourche at Napoleonville water level

Name: Bayou Lafourche at Napoleonville 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, Bayou Lafourche, Louisiana, United States

Directions

Latest reading

Water level

4.82ft Down 0.17 ft over the last 24 hours

Measured Oct 20, 2026, 11:00 PM CDT (1 hour ago)

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %)

What this means

Bayou Lafourche at Napoleonville reads 4.82 ft as of Oct 20, 2026, 11:00 PM CDT. The agency publishes no normal range or warning level for this river yet, so there is nothing to judge the number against.

It has dropped 0.17 ft over the past 24 hours. In the last month it has stayed between 4.22 ft and 5.03 ft.

Over the past seven days the change adds up to +0.44 ft.

The agency publishes no normal range for this gauge yet, so we show the trend only. How to read levels

Key numbers

Same day last year: 4.49 ft+0.33 ft
Lowest and highest in 30 days: 4.22 ft – 5.03 ft
Lowest and highest in 12 months: 4.22 ft – 6.69 ft
Highest on record: 9.68 ftAugust 13, 2016

Floating and fishing near Bayou Lafourche at Napoleonville

Use the recent trend as your guide, and ask locally which gage height makes for a good float.

Highest crests on record

Rank	Level	Date
1	9.68 ft	August 13, 2016
2	8.55 ft	May 4, 2017
3	7.90 ft	March 11, 2016
4	7.46 ft	April 14, 2015

Weather at the gauge

The forecast is not available right now.

Sunrise 07:10 AM Sunset 06:28 PM Daylight 11 hr, 18 min Waxing gibbous 74%

Map

Other gauges on Bayou Lafourche

Gauge	Level	Compared with normal	24 hours	Distance
Bayou Lafourche at ThibodauxRiver gauge, Bayou Lafourche	3.41 ft	Low	+0.05 ft	16 mi
Bayou Lafourche at LockportRiver gauge, Bayou Lafourche	5.06 ft	Normal	+0.14 ft	36 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Bayou Lafourche SW of DonaldsonvilleRiver gauge	6.79 ft	Low	−0.54 ft	11 mi
Belle River at Hwy 70 near Pierre PartRiver gauge, Belle River	0.92 ft	Normal	+0.15 ft	12 mi
Panama Canal at Hwy 44 near GonzalesRiver gauge, Panama Canal	1.88 ft	Normal	−0.01 ft	17 mi
Middle Fork Bayou Long at Bayou LongRiver gauge, Middle Fork Bayou Long	2.83 ft	Normal	−0.01 ft	18 mi
Bayou Conway near SorrentoRiver gauge, Bayou Conway	−1.76 ft	Very low	±0	19 mi
Little Bayou Long North of Duck LakeRiver gauge	2.67 ft	Normal	+0.15 ft	19 mi
Choctaw Bayou at Hwy 404 W of White CastleRiver gauge, Choctaw Bayou	8.94 ft	Normal	+0.06 ft	20 mi
Lower Atchafalaya River at Morgan CityRiver gauge, Lower Atchafalaya River	2.74 ft	Normal	+0.22 ft	21 mi

Questions and answers

How does Bayou Lafourche at Napoleonville compare with last year?

It is 0.33 ft higher than on the same day last year, when the reading was 4.49 ft.

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 at Napoleonville today?

On Oct 20, 2026, 11:00 PM CDT, the water level was 4.82 ft. Down 0.17 ft over the last 24 hours.

Is Bayou Lafourche at Napoleonville rising or falling?

Down 0.17 ft over the last 24 hours. Up 0.44 ft over the last 7 days.

Is the level of Bayou Lafourche at Napoleonville normal?

The agency publishes no normal range for this gauge yet, so we show the trend only.

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

The highest level on record is 9.68 ft on August 13, 2016.

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:07380500 (Agency page)
Coordinates: 29.94150, -91.02322 (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	4.82 ft	2026-10-21 04:00	Provisional

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How to cite

U.S. Geological Survey: Bayou Lafourche at Napoleonville (usgs:07380500). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/louisiana/bayou-lafourche-at-napoleonville

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