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Inner Harbor Navigation Canal near Seabrook bridge water level

River gauge, Inner Harbor Navigation Canal, Louisiana, United States

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Right now

Normal for mid-October

Water level

1.58ft Down 0.11 ft over the last 24 hours

1 2

History

History
12ftOct 16Oct 17Oct 18Oct 19Oct 2012ftOct 16Oct 18Oct 20
-024ftSep 21Sep 28Oct 5Oct 13Oct 20-024ftSep 21Oct 5Oct 20
-024ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026-024ftOct 2025Apr 2026Oct 2026
-024ftJanMarMayJulSepNov2026-024ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %)

What this means

The Inner Harbor Navigation Canal near Seabrook bridge is at 1.58 ft, in the normal range for mid-October.

The median for mid-October is 1.60 ft, based on 9 years of readings, so the river stage is 0.02 ft below typical. On the same day last year the reading was 1.71 ft, a difference of −0.13 ft.

It has dropped 0.11 ft over the past 24 hours. In the last month it has stayed between 0.92 ft and 3.01 ft.

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

Compared with 9 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
1.60 ft0.02 ft below the median for this date
Normal for this date
0.56 ft – 2.51 ft8 years in 10 fall in this range (9 years of records)
Same day last year
1.71 ft−0.13 ft
Lowest and highest in 30 days
0.92 ft – 3.01 ft
Lowest and highest in 12 months
−1.37 ft – 3.01 ft

Floating and fishing near Inner Harbor Navigation Canal near Seabrook bridge

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

Weather at the gauge

The forecast is not available right now.

Sunrise 07:06 AM Sunset 06:25 PM Daylight 11 hr, 19 min Waxing gibbous 71%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
GIWW East Storm Surge Barrier at New OrleansRiver gauge, GIWW East Storm Surge Barrier 1.38 ft Normal +0.16 ft 8 mi
Mississippi River at Belle ChasseRiver gauge, Mississippi River 8.88 ft Normal −0.33 ft 12 mi
L Pontchartrain at Crossover 4 near MandevilleLake, L Pontchartrain 1.31 ft High −0.12 ft 13 mi
Caernarvon Canal Sector Gate at CaernarvonRiver gauge, Caernarvon Canal Sector Gate 2.00 ft Normal −0.12 ft 14 mi
Caernarvon Outfall Channel at CaernarvonRiver gauge, Caernarvon Outfall Channel 2.07 ft Very high −0.18 ft 14 mi
L. Cataouatche at Whiskey Canal S of WaggamanLake, L. Cataouatche 6.86 ft High +0.24 ft 16 mi
Reggio Canal near Wills PointCanal gauge, Reggio Canal 1.84 ft Very high −0.23 ft 18 mi
Davis Pond Freshwater Diversion near BoutteRiver gauge, Davis Pond Freshwater Diversion 10.13 ft High −0.11 ft 19 mi

Questions and answers

Is the Inner Harbor Navigation Canal near Seabrook bridge higher than last year?

No, it is 0.13 ft lower than on the same day last year, when the reading was 1.71 ft.

What is a normal level for the Inner Harbor Navigation Canal near Seabrook bridge in mid-October?

The median for mid-October is 1.60 ft. In 8 years out of 10 the reading falls between 0.56 ft and 2.51 ft, based on 9 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 Inner Harbor Navigation Canal near Seabrook bridge today?

On Oct 20, 2026, 04:15 PM CDT, the water level was 1.58 ft. Down 0.11 ft over the last 24 hours.

Is Inner Harbor Navigation Canal near Seabrook bridge rising or falling?

Down 0.11 ft over the last 24 hours. Up 0.61 ft over the last 7 days.

Is the level of Inner Harbor Navigation Canal near Seabrook bridge normal?

Normal for mid-October. Compared with 9 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:073802332 (Agency page)
Coordinates
30.03014, -90.03417 (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 1.58 ft 2026-10-20 21:15 Provisional

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How to cite

U.S. Geological Survey: Inner Harbor Navigation Canal near Seabrook bridge (usgs:073802332). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/louisiana/inner-harbor-navigation-canal-near-seabrook-bridge

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.