Caernarvon Outfall Channel at Caernarvon water level

Name: Caernarvon Outfall Channel at Caernarvon 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, Caernarvon Outfall Channel, Louisiana, United States

Directions

Very high for mid-October

Water level

2.09ft Down 0.07 ft over the last 24 hours

Measured Oct 19, 2026, 11:30 PM CDT (1 hour ago)

Flow: 333 cfs
Water temperature: 74 °F

History

7 days

Water level Normal range (10–90 %)

What this means

High water at Caernarvon Outfall Channel at Caernarvon: the latest reading is 2.09 ft, well above normal for mid-October.

That puts it 0.73 ft above the median of 1.36 ft for mid-October, based on 12 years of readings.

It is still going down, by 0.07 ft over the past 24 hours. The 30-day range is 0.98 ft – 2.28 ft.

That stands out in fall, when many rivers are usually near their lowest. The sensor also reports a water temperature of 74 °F.

Compared with 12 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 1.36 ft0.73 ft above the median for this date
Normal for this date: 0.55 ft – 1.74 ft8 years in 10 fall in this range (12 years of records)

Staying safe in high water

Flood stage is only the first threshold. Above it the National Weather Service sets moderate and major flood stages, and the forecast crest tells you which of those the river is expected to reach.

Upstream gauges on the same river usually show a rise first, which is a useful early warning.

Weather at the gauge

The forecast is not available right now.

Sunrise 07:05 AM Sunset 06:25 PM Daylight 11 hr, 20 min First quarter 65%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Caernarvon Canal Sector Gate at CaernarvonRiver gauge, Caernarvon Canal Sector Gate	1.97 ft	Normal	−0.05 ft	0.4 mi
Mississippi River at Belle ChasseRiver gauge, Mississippi River	8.84 ft	Normal	−0.16 ft	4.2 mi
Reggio Canal near Wills PointCanal gauge, Reggio Canal	1.80 ft	Very high	−0.04 ft	5.1 mi
GIWW East Storm Surge Barrier at New OrleansRiver gauge, GIWW East Storm Surge Barrier	1.03 ft	Normal	−0.28 ft	11 mi
Naomi Diversion Canal near NaomiRiver gauge, Naomi Diversion Canal	1.27 ft	Normal	+0.23 ft	12 mi
Inner Harbor Navigation Canal near Seabrook bridgeRiver gauge, Inner Harbor Navigation Canal	1.25 ft	Normal	−0.03 ft	14 mi
Crooked B. NW of L. Cuatro Caballo near DelacroixEstuary gauge, Crooked B. NW of L. Cuatro Caballo	6.00 ft	High	−0.06 ft	14 mi
L. Cataouatche at Whiskey Canal S of WaggamanLake, L. Cataouatche	6.42 ft	Normal	+0.17 ft	18 mi

Questions and answers

What is a normal level for the Caernarvon Outfall Channel at Caernarvon in mid-October?

The median for mid-October is 1.36 ft. In 8 years out of 10 the reading falls between 0.55 ft and 1.74 ft, based on 12 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 Caernarvon Outfall Channel at Caernarvon today?

On Oct 19, 2026, 11:30 PM CDT, the water level was 2.09 ft. Down 0.07 ft over the last 24 hours.

Is Caernarvon Outfall Channel at Caernarvon rising or falling?

Down 0.07 ft over the last 24 hours.

Is the level of Caernarvon Outfall Channel at Caernarvon normal?

Very high for mid-October. Compared with 12 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.

Where does this data come from?

The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:295124089542100 (Agency page)
Coordinates: 29.85356, -89.90769 (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	2.09 ft	2026-10-20 04:30	Provisional
Flow	333 cfs	2026-10-20 04:30	Provisional
Water temperature	74 °F	2026-10-20 03:45	Provisional

Download

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How to cite

U.S. Geological Survey: Caernarvon Outfall Channel at Caernarvon (usgs:295124089542100). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/louisiana/caernarvon-outfall-channel-at-caernarvon

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