Waterlands
Manalapan Brook
USGS · 01405400
MANALAPAN BROOK
USGS · 01405400LIVE

Manalapan Brook at Spotswood NJ

SPOTSWOOD, NJ40.3894°N, -74.3906°W Updated 16 hr ago
FLOW RATE
44cfs
GAUGE HT
10.18ft
AIR TEMP
80°F
WIND
6mph E
FISH INDEX
56SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
44cfs 35.0% vs avg
Optimal band: 12–16 cfs
PERIOD HIGH
117cfs
PERIOD LOW
5cfs
RUNNABLE
19%
last 30 day in band

Gauge Height

10.18ft
Precipitation History
Your History · Manalapan Brook at Spotswood NJ

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Weather Conditions
WEATHER CONDITIONS
TODAY
83°
67°
MON
86°
66°
TUE
93°
67°
WED
101°
74°
THU
88°
72°
FRI
80°
66°
SAT
84°
61°
TIME
SUN
4
NOW
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
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
WED
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
THU
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
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
TEMP
hourly forecast
83°
mild
83°
83°
81°
80°
76°
72°
70°
69°
69°
69°
68°
67°
66°
66°
66°
68°
71°
75°
78°
80°
82°
84°
85°
86°
86°
86°
85°
84°
80°
76°
75°
72°
71°
69°
68°
67°
67°
67°
67°
69°
73°
78°
82°
85°
88°
91°
92°
93°
93°
92°
91°
89°
86°
84°
82°
81°
79°
79°
79°
78°
77°
75°
74°
76°
80°
84°
88°
92°
95°
98°
100°
101°
101°
100°
99°
96°
93°
89°
88°
88°
82°
78°
79°
78°
78°
77°
72°
74°
76°
77°
78°
79°
80°
81°
80°
87°
88°
84°
85°
86°
83°
82°
78°
77°
75°
73°
71°
69°
67°
66°
66°
67°
68°
70°
73°
75°
WIND
mph · gust · dir
8mph SSE
G 10 mph
8
G10
SSE
8
G10
SSE
7
G9
SSE
6
G11
SSE
5
G13
ESE
6
G13
SE
4
G12
SSE
3
G9
SW
2
G6
WNW
3
G7
S
4
G8
S
3
G7
S
2
G5
SE
1
G6
SSW
2
G3
NNW
2
G4
SSW
6
G11
SSW
5
G9
SW
5
G8
SW
4
G7
SW
6
G8
SW
7
G9
SSW
7
G10
SSW
9
G13
SSW
8
G11
SSW
8
G10
SW
8
G12
SSW
7
G12
SSW
6
G14
SSW
5
G14
SSW
9
G20
SSW
9
G20
SSW
8
G16
SSW
8
G16
SSW
7
G16
SW
7
G15
SW
7
G15
SW
6
G14
SW
6
G16
WSW
8
G19
SW
10
G19
WSW
10
G17
WSW
10
G16
WSW
11
G16
WSW
12
G17
WSW
13
G17
WSW
13
G17
W
13
G17
W
13
G17
W
14
G18
W
13
G20
W
12
G23
WSW
11
G27
WSW
11
G29
SW
12
G31
SW
12
G33
SW
11
G34
WSW
12
G33
WSW
11
G29
WSW
10
G26
WSW
9
G23
WSW
8
G20
WSW
8
G19
WSW
8
G22
WSW
8
G17
W
9
G13
W
9
G12
W
10
G13
W
10
G15
W
11
G16
W
12
G17
W
12
G17
W
12
G18
W
12
G18
W
12
G17
WSW
9
G18
WSW
7
G16
WSW
5
G14
WNW
5
G17
NW
7
G14
N
6
G19
NNW
4
G13
NNW
3
G10
NNW
2
G5
WNW
2
G3
WSW
1
G2
SW
5
W
2
G3
WSW
3
G5
SW
4
G6
SW
4
G6
WSW
4
G5
WSW
4
G7
SW
8
G10
SSW
6
G11
WSW
9
G15
W
10
G16
WNW
10
G13
WNW
7
G14
WNW
6
G16
W
7
G22
WNW
11
G22
N
9
G23
N
10
G24
NNW
8
G21
NNW
8
G22
NNW
7
G24
NNW
7
G24
NW
6
G24
NW
7
G24
NW
8
G23
NW
10
G22
NNW
11
G21
NNW
11
G19
NNW
11
G17
NNW
11
G16
NW
PRECIP
chance %
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%
1%
1%
1%
1%
1%
1%
1%
1%
1%
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%
0%
0%
0%
0%
0%
0%
0%
6%
6%
6%
6%
6%
6%
14%
14%
14%
14%
14%
14%
6%
6%
6%
6%
6%
6%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
2%
4%
4%
4%
4%
4%
4%
1%
1%
1%
1%
1%
1%
1%
1%
1%
CLOUDS
cover %
2%
clear
2%
1%
0%
0%
0%
1%
6%
12%
100%
71%
18%
7%
17%
78%
49%
100%
82%
32%
8%
7%
2%
11%
8%
1%
3%
4%
0%
0%
0%
0%
1%
0%
0%
2%
1%
1%
1%
2%
25%
5%
37%
8%
11%
100%
5%
5%
0%
0%
0%
0%
0%
0%
0%
0%
6%
5%
6%
6%
90%
100%
100%
9%
8%
6%
6%
7%
6%
5%
7%
7%
100%
5%
0%
0%
5%
5%
31%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
13%
100%
100%
100%
42%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
PRESSURE
hPa · trend
1020
10201021102210231020102010201019101510131012101110081010101010091007101010121015
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
56
Temperature
Too Hot
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:38 AM
SUNSET
08:28 PM
14H 50M OF DAYLIGHT
MOON PHASE
Waning Crescent
5% illuminated

Station Location

40.3894, -74.3906
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC
Site #01405400·USGS

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