Mermentau River at Catfish Point Lock

Last updated: Jun 29, 2025, 10:00 PM UTC

No watches, warnings or advisories are in effect for this area.

Downstream gauge unavailable

Warning: no valid ratings curve available. Transformations to and from FEET/CFS/KCFS will not happen.

No secondary data available. Transformations for Flow data and a secondary Y axis cannot be made at this time.

Scale to Flood Categories

Auto Refresh

Traces and Thresholds Click to turn on/off display

Observed (OBS) 06/29/2025 4:00 PM CDT

Record: 8.3 ft

CATEGORY STAGE

Major Flooding 8 ft

Moderate Flooding 6 ft

Minor Flooding 4 ft

Action 3.5 ft

Reliability of the Forecast:

NOTE: Graphical forecasts are not available during times of high water, forecast crest information can be found in the local WFO web page.

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.
Auto Refresh

	CATEGORY	STAGE
	Major Flooding	8 ft
	Moderate Flooding	6 ft
	Minor Flooding	4 ft
	Action	3.5 ft

Flood Impacts 🅘

8 - FLOODING OF SECONDARY ROADS AND SHIP YARDS NEAR THE RIVER CAN BE EXPECTED.
5 - SECONDARY ROADS NEAR THE RIVER WILL BE THREATENED BY FLOOD WATERS
4 - MINOR FLOODING OF LOW LYING AREAS NEAR THE RIVER CAN BE EXPECTED

Gauge Info

Coordinates	29.8636, -92.8483
RFC	LMRFC
State	LA
WFO	LCH
County	Vermilion

Gauge Location

Recent Crests

1.	4.89 ft	on 08-30-2017
2.	5.32 ft	on 08-21-2016
3.	3.98 ft	on 04-05-1997
4.	3.94 ft	on 11-17-1996
5.	3.27 ft	on 10-02-1995

Historic Crests

1.	8.30 ft	on 06-27-1957
2.	6.60 ft	on 04-25-1913
3.	6.25 ft	on 07-08-1989
4.	6.10 ft	on 08-23-1915
5.	6.00 ft	on 05-24-1953

Gauge Photos

No Images Found

Probability Information

No Images Available

Collaborative Agencies

The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

WFO Information

Weather Forecast Office

Lake Charles

500 Airport Boulevard

Lake Charles, LA 70607

(337) 477-5285

Ask Questions/Webmaster

Official Homepage

1.	4.89 ft	on 08-30-2017
2.	5.32 ft	on 08-21-2016
3.	3.98 ft	on 04-05-1997
4.	3.94 ft	on 11-17-1996
5.	3.27 ft	on 10-02-1995
6.	3.38 ft	on 10-23-1994
7.	2.97 ft	on 06-20-1993
8.	3.78 ft	on 03-18-1992
9.	4.33 ft	on 04-27-1991
10.	6.25 ft	on 07-08-1989
11.	4.76 ft	on 05-25-1989
12.	2.40 ft	on 12-06-1959
13.	2.90 ft	on 07-25-1959
14.	3.90 ft	on 09-21-1958
15.	3.70 ft	on 06-28-1957
16.	8.30 ft	on 06-27-1957
17.	2.30 ft	on 05-27-1955
18.	2.40 ft	on 05-02-1954
19.	6.00 ft	on 05-24-1953
20.	3.20 ft	on 07-17-1952
21.	2.50 ft	on 10-03-1950
22.	5.40 ft	on 06-09-1950
23.	3.50 ft	on 03-30-1949
24.	3.30 ft	on 04-25-1948
25.	2.70 ft	on 01-24-1947
26.	2.70 ft	on 02-21-1946
27.	4.50 ft	on 04-22-1945
28.	3.60 ft	on 05-26-1944
29.	3.00 ft	on 07-28-1943
30.	3.50 ft	on 08-30-1942
31.	4.90 ft	on 12-17-1940
32.	3.60 ft	on 08-13-1940
33.	2.50 ft	on 06-19-1939
34.	3.30 ft	on 04-16-1938
35.	2.00 ft	on 01-27-1937
36.	2.20 ft	on 12-14-1935
37.	4.70 ft	on 05-26-1935
38.	3.50 ft	on 03-07-1934
39.	5.10 ft	on 08-05-1933
40.	5.20 ft	on 03-04-1932
41.	2.30 ft	on 01-18-1931
42.	2.30 ft	on 02-13-1930
43.	4.30 ft	on 06-04-1929
44.	2.10 ft	on 04-22-1928
45.	3.30 ft	on 05-09-1927
46.	3.80 ft	on 11-13-1925
47.	2.00 ft	on 04-23-1925
48.	5.70 ft	on 12-25-1923
49.	5.80 ft	on 04-16-1923
50.	5.00 ft	on 04-14-1922
51.	3.30 ft	on 04-13-1921
52.	4.20 ft	on 02-02-1920
53.	3.90 ft	on 09-15-1919
54.	2.00 ft	on 05-11-1918
55.	1.70 ft	on 05-21-1917
56.	2.90 ft	on 02-06-1916
57.	6.10 ft	on 08-23-1915
58.	5.80 ft	on 05-02-1914
59.	6.60 ft	on 04-25-1913

1.	8.30 ft	on 06-27-1957
2.	6.60 ft	on 04-25-1913
3.	6.25 ft	on 07-08-1989
4.	6.10 ft	on 08-23-1915
5.	6.00 ft	on 05-24-1953
6.	5.80 ft	on 04-16-1923
7.	5.80 ft	on 05-02-1914
8.	5.70 ft	on 12-25-1923
9.	5.40 ft	on 06-09-1950
10.	5.32 ft	on 08-21-2016
11.	5.20 ft	on 03-04-1932
12.	5.10 ft	on 08-05-1933
13.	5.00 ft	on 04-14-1922
14.	4.90 ft	on 12-17-1940
15.	4.89 ft	on 08-30-2017
16.	4.76 ft	on 05-25-1989
17.	4.70 ft	on 05-26-1935
18.	4.50 ft	on 04-22-1945
19.	4.33 ft	on 04-27-1991
20.	4.30 ft	on 06-04-1929
21.	4.20 ft	on 02-02-1920
22.	3.98 ft	on 04-05-1997
23.	3.94 ft	on 11-17-1996
24.	3.90 ft	on 09-15-1919
25.	3.90 ft	on 09-21-1958
26.	3.80 ft	on 11-13-1925
27.	3.78 ft	on 03-18-1992
28.	3.70 ft	on 06-28-1957
29.	3.60 ft	on 08-13-1940
30.	3.60 ft	on 05-26-1944
31.	3.50 ft	on 03-30-1949
32.	3.50 ft	on 03-07-1934
33.	3.50 ft	on 08-30-1942
34.	3.38 ft	on 10-23-1994
35.	3.30 ft	on 05-09-1927
36.	3.30 ft	on 04-16-1938
37.	3.30 ft	on 04-13-1921
38.	3.30 ft	on 04-25-1948
39.	3.27 ft	on 10-02-1995
40.	3.20 ft	on 07-17-1952
41.	3.00 ft	on 07-28-1943
42.	2.97 ft	on 06-20-1993
43.	2.90 ft	on 02-06-1916
44.	2.90 ft	on 07-25-1959
45.	2.70 ft	on 02-21-1946
46.	2.70 ft	on 01-24-1947
47.	2.50 ft	on 10-03-1950
48.	2.50 ft	on 06-19-1939
49.	2.40 ft	on 12-06-1959
50.	2.40 ft	on 05-02-1954
51.	2.30 ft	on 05-27-1955
52.	2.30 ft	on 01-18-1931
53.	2.30 ft	on 02-13-1930
54.	2.20 ft	on 12-14-1935
55.	2.10 ft	on 04-22-1928
56.	2.00 ft	on 01-27-1937
57.	2.00 ft	on 04-23-1925
58.	2.00 ft	on 05-11-1918
59.	1.70 ft	on 05-21-1917