Waterlands
Mermentau River
USGS · 08012150
MERMENTAU RIVER
USGS · 08012150LIVE

Mermentau River At Mermentau, LA

MERMENTAU, LA30.1900°N, -92.5906°W
AIR TEMP
74°F
WIND
2mph NE
FISH INDEX
69SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
—cfs
No flow data available
Precipitation History
Your History · Mermentau River At Mermentau, LA

Track your history

Sign in to track your sessions at Mermentau River At Mermentau, LA — best days, monthly trends, and time on the water.

Sign in
SPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
90°
73°
FRI
89°
75°
SAT
93°
75°
SUN
93°
75°
MON
93°
74°
TUE
93°
75°
WED
95°
73°
TIME
THU
11
NOW
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
FRI
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
SAT
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
SUN
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
MON
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
TUE
12
am
1
am
2
am
3
am
4
am
TEMP
hourly forecast
84°
mild
84°
86°
87°
88°
89°
90°
90°
89°
84°
81°
79°
78°
78°
78°
77°
76°
76°
76°
75°
75°
76°
79°
82°
85°
86°
87°
88°
88°
88°
89°
88°
84°
82°
79°
79°
78°
77°
77°
77°
76°
76°
75°
75°
75°
76°
80°
83°
85°
88°
90°
91°
92°
93°
93°
92°
89°
85°
81°
80°
78°
78°
77°
77°
76°
76°
75°
75°
75°
76°
80°
83°
85°
88°
90°
92°
92°
93°
91°
87°
82°
85°
81°
78°
78°
77°
76°
76°
75°
75°
75°
75°
74°
76°
80°
83°
85°
87°
90°
92°
93°
92°
87°
86°
83°
81°
79°
78°
77°
76°
76°
76°
75°
75°
75°
WIND
mph · gust · dir
3mph NE
G 4 mph
3
G4
NE
4
G5
NE
5
NE
6
G7
NE
4
G5
ENE
5
G6
NE
5
G6
ENE
7
G8
E
8
G11
E
6
G9
SSE
6
G13
SE
3
G7
SSE
2
G7
S
1
G3
ENE
2
G4
E
1
G3
NNE
2
NNW
3
NNE
3
G4
E
3
NE
2
NE
3
G4
E
1
G3
ENE
1
G3
WNW
1
NNE
2
G3
ENE
4
G5
NE
3
G4
E
3
G4
ESE
3
G4
ESE
8
G9
WSW
4
G7
SSW
8
G11
S
9
G13
ESE
1
G4
NE
5
G8
ENE
3
G7
SSE
5
G7
SSW
4
G6
SW
5
WSW
3
WSW
1
G2
WSW
1
WNW
1
G2
W
2
SW
1
SSE
2
ESE
2
ESE
1
G3
SE
2
G3
E
4
ENE
6
ENE
7
ENE
5
E
7
SSE
9
SSW
10
G14
SW
6
G11
SW
7
G9
SW
6
G10
SW
6
G8
SW
4
G5
SW
4
G5
SW
4
SSW
4
SSW
3
SW
2
G3
WSW
2
G3
SW
2
SW
2
SW
2
G3
SSW
2
G3
SW
1
G2
SSE
1
G2
NNE
3
NNE
6
NE
7
NE
6
E
11
S
10
G20
SW
7
G16
SSW
7
G12
SSW
8
G16
SSW
7
G15
SSW
6
G9
SSW
5
SSW
5
SSW
5
G7
SW
5
G6
SSW
5
SW
4
SSW
4
G5
SSW
4
G5
SSW
4
G7
SSW
4
G7
SW
5
G7
SW
5
G6
WSW
4
G6
WSW
4
G7
SSW
5
G7
S
8
S
5
G12
SSW
3
G4
SW
4
G5
NW
3
G5
NNW
2
G8
WNW
4
G14
SSW
7
G16
SSW
7
G13
SSW
5
G8
SW
4
SW
4
SSW
5
SSW
5
G6
SSW
PRECIP
chance %
11%
11%
12%
12%
19%
18%
14%
12%
11%
14%
13%
11%
6%
6%
4%
2%
2%
2%
2%
2%
2%
2%
3%
3%
4%
7%
9%
11%
12%
12%
11%
39%
39%
39%
11%
11%
11%
11%
11%
11%
8%
8%
8%
8%
8%
8%
3%
3%
3%
3%
3%
3%
21%
21%
21%
21%
21%
21%
3%
3%
3%
3%
3%
3%
7%
7%
7%
7%
7%
7%
25%
25%
25%
25%
25%
25%
60%
60%
60%
60%
60%
60%
4%
4%
4%
4%
4%
4%
9%
9%
9%
9%
9%
9%
31%
31%
31%
31%
31%
31%
51%
51%
51%
51%
51%
51%
2%
2%
2%
2%
2%
2%
2%
2%
2%
CLOUDS
cover %
4%
clear
4%
10%
4%
0%
0%
0%
0%
0%
0%
97%
100%
97%
77%
91%
41%
100%
100%
100%
100%
100%
54%
4%
0%
5%
100%
89%
78%
48%
100%
87%
76%
100%
100%
100%
100%
100%
56%
50%
24%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
5%
5%
5%
5%
0%
1%
0%
0%
0%
0%
8%
61%
0%
0%
0%
0%
0%
0%
0%
0%
0%
5%
0%
0%
0%
0%
0%
0%
4%
25%
30%
53%
94%
100%
100%
100%
100%
81%
55%
33%
17%
6%
0%
2%
10%
22%
PRESSURE
hPa · trend
1018
1018101610181017101910171017101510171014101510141016101310141015101710151016
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
69
Temperature
Warm
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
06:12 AM
SUNSET
08:15 PM
14H 3M OF DAYLIGHT9H 32M REMAINING
MOON PHASE
Waning Gibbous
94% illuminated

Station Location

30.1900, -92.5906
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-02 10:43 UTC
Site #08012150·USGS

Create a free account to save favorites, set flow alerts, and track conditions

Sign up free