Major Flood
8 ft
Current Water Level
Gage Height
Loading...
Streamflow
Loading...
Last Reading
Loading...
This is an NWS forecast point (LID: CFPL1). Live data may be limited. View on NWS AHPS →
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
6 ft
Minor Flood
4 ft
Action Stage
3.5 ft
What Floods at Each Level
8 ft
FLOODING OF SECONDARY ROADS AND SHIP YARDS NEAR THE RIVER CAN BE EXPECTED.
5 ft
SECONDARY ROADS NEAR THE RIVER WILL BE THREATENED BY FLOOD WATERS
4 ft
MINOR FLOODING OF LOW LYING AREAS NEAR THE RIVER CAN BE EXPECTED
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
Loading chart data...
Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Jun 26, 1957 | 8.3 ft | -9,999 cfs |
| Apr 24, 1913 | 6.6 ft | -9,999 cfs |
| Jul 7, 1989 | 6.25 ft | — |
About This Gauge
NWS LID
CFPL1
River
Mermentau River
County
Vermilion, LA
Coordinates
29.8636°N, 92.8483°W
Get Flood Alerts for Mermentau River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Mermentau River at Catfish Point Lock?
The Mermentau River at Catfish Point Lock gauge is maintained by USGS and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Mermentau River at Catfish Point Lock?
The NWS-defined flood stage for Mermentau River at Catfish Point Lock is 4 feet. Action stage begins at 3.5 feet. Moderate flooding starts at 6 feet, and major flooding at 8 feet.
How do I get alerts when Mermentau River rises?
Download StormCast free on Google Play, go to River Gauges, and add Mermentau River at Catfish Point Lock to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Mermentau River at Catfish Point Lock gauge located?
The gauge is located in Vermilion County, Louisiana at coordinates 29.8636°N, 92.8483°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Mermentau River
On This River
More Resources
Source & Notes
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.