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 NNE
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 7 DAY
—cfs
No flow data available
Precipitation History
Your History · Mermentau River At Mermentau, LA

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Weather Conditions
WEATHER CONDITIONS
TODAY
90°
74°
FRI
89°
75°
SAT
92°
74°
SUN
89°
75°
MON
93°
75°
TUE
92°
75°
WED
95°
74°
TIME
THU
12
NOW
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
5
am
TEMP
hourly forecast
86°
mild
86°
87°
88°
89°
90°
90°
89°
84°
81°
79°
79°
79°
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°
76°
76°
75°
75°
75°
74°
76°
79°
83°
86°
88°
90°
91°
92°
92°
91°
89°
85°
86°
82°
79°
78°
77°
77°
76°
76°
76°
75°
75°
75°
76°
79°
82°
85°
87°
88°
89°
89°
89°
88°
87°
83°
80°
79°
78°
77°
76°
76°
76°
76°
76°
75°
75°
75°
76°
80°
83°
85°
87°
89°
91°
93°
93°
89°
85°
83°
81°
80°
78°
77°
77°
76°
76°
75°
75°
75°
75°
WIND
mph · gust · dir
4mph NE
4
NE
5
G6
NE
5
G6
NE
5
G6
NE
5
G6
NE
6
ENE
5
G7
ENE
8
G13
E
8
G12
SSE
4
G8
SSE
3
G9
SSE
2
G7
SSW
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
4
G5
SW
3
WSW
3
WSW
3
WSW
2
SW
3
SW
2
S
1
G2
S
1
G2
WSW
2
G3
E
3
E
4
E
5
ENE
6
ENE
5
ESE
7
S
8
SSW
6
G14
SSW
6
G11
SSW
6
G9
SSW
5
G10
SW
4
G8
SSW
5
SSW
5
SW
5
WSW
3
G4
WSW
3
WSW
3
WSW
2
G3
W
1
G2
WSW
1
G2
SSW
3
S
3
S
3
S
0
G2
W
1
G3
WNW
0
G4
SW
4
G5
ESE
5
SSE
5
G9
SSW
9
G20
WSW
8
G16
SW
5
G12
SSW
7
G16
SW
5
G15
SW
4
G9
SSW
6
SW
6
SW
6
G7
SSW
5
G6
SSW
4
G5
SSW
3
G4
SSW
4
G5
SSW
3
G5
SSW
4
G7
S
5
G7
SSW
5
G7
SW
4
G6
WSW
3
G6
W
2
G7
WNW
2
G7
NNW
1
G7
NW
3
G12
SSW
4
S
4
G5
S
7
SSW
8
SSW
8
G14
SSW
7
G16
SSW
6
G13
SSW
7
G8
SSW
6
SSW
5
SSW
6
SSW
6
SSW
5
S
PRECIP
chance %
12%
12%
14%
21%
20%
15%
14%
13%
14%
13%
11%
7%
7%
5%
1%
2%
2%
1%
2%
2%
2%
3%
4%
5%
8%
10%
13%
15%
15%
13%
15%
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%
2%
CLOUDS
cover %
4%
clear
4%
0%
0%
0%
0%
0%
0%
0%
0%
100%
60%
100%
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%
6%
6%
6%
6%
6%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
10%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
6%
5%
6%
100%
97%
71%
31%
11%
68%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
96%
100%
100%
100%
12%
17%
18%
30%
63%
12%
11%
10%
6%
2%
52%
73%
61%
100%
100%
100%
100%
100%
12%
0%
0%
0%
0%
0%
0%
0%
0%
PRESSURE
hPa · trend
1018
1018101610181018101810171017101510171013101510141015101210141015101610151016
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Warm
Wind
Calm
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
06:12 AM
SUNSET
08:15 PM
14H 3M OF DAYLIGHT8H 21M REMAINING
MOON PHASE
Waning Gibbous
93% illuminated

Station Location

30.1900, -92.5906
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-02 11:54 UTC
Site #08012150·USGS

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