Waterlands
Casselman River
USGS · 03078000
CASSELMAN RIVER
USGS · 03078000LIVE

CASSELMAN RIVER AT GRANTSVILLE, MD

GARRETT COUNTY, MD39.7022°N, -79.1364°W Updated 1 hr ago
FLOW RATE
59.8cfs
GAUGE HT
1.24ft
AIR TEMP
64°F
WIND
4mph ENE
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
59.8cfs 16.1% vs avg
Optimal band: 63–85 cfs
PERIOD HIGH
87.8cfs
PERIOD LOW
59.8cfs
RUNNABLE
83%
last 1 day in band

Gauge Height

1.24ft
Precipitation History
Your History · CASSELMAN RIVER AT GRANTSVILLE, MD

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Weather Conditions
WEATHER CONDITIONS
TODAY
77°
62°
MON
76°
60°
TUE
85°
59°
WED
89°
62°
THU
84°
64°
FRI
83°
64°
SAT
75°
61°
TIME
SUN
7
NOW
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
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
TEMP
hourly forecast
63°
mild
63°
66°
68°
69°
72°
73°
74°
75°
77°
77°
77°
76°
74°
71°
69°
67°
66°
65°
64°
63°
62°
61°
60°
60°
61°
65°
68°
70°
72°
73°
74°
75°
75°
76°
75°
74°
73°
71°
69°
68°
68°
62°
61°
61°
61°
60°
59°
59°
62°
68°
73°
77°
80°
82°
84°
85°
85°
85°
85°
83°
80°
74°
70°
68°
67°
67°
66°
66°
65°
63°
62°
62°
64°
70°
75°
79°
81°
84°
87°
88°
89°
89°
88°
86°
82°
77°
73°
72°
71°
70°
69°
69°
70°
69°
70°
69°
70°
72°
73°
74°
78°
79°
81°
83°
84°
84°
82°
78°
72°
70°
67°
65°
64°
64°
64°
WIND
mph · gust · dir
4mph ENE
G 12 mph
4
G12
ENE
7
G17
E
9
G17
ESE
8
G14
E
8
G12
ESE
7
G11
ESE
6
G9
ESE
5
G7
ESE
5
G8
E
7
G9
E
6
G9
E
6
G10
ESE
5
G11
ESE
6
G16
ESE
7
G15
ESE
8
G23
SE
8
G22
SE
5
G16
SE
2
G8
E
4
G8
E
3
G9
ESE
2
G7
NE
4
G9
E
5
G10
ESE
4
G9
E
5
G15
ESE
5
G15
ESE
7
G16
ESE
8
G15
ESE
9
G15
ESE
9
G14
ESE
8
G12
ESE
7
G11
ESE
7
G10
ESE
6
G10
ESE
5
G10
ESE
5
G13
ESE
5
G16
SE
5
G18
ESE
4
G17
E
5
G19
ESE
2
G14
SSE
2
G4
E
3
SSW
3
G4
SSW
0
G2
S
1
G2
WSW
2
WNW
2
WNW
1
NW
1
N
2
NE
3
NE
3
ENE
3
ENE
4
NE
4
NE
4
NE
4
NE
4
NE
4
G7
NE
3
N
3
NW
3
W
4
W
4
W
4
WNW
4
WNW
5
WNW
5
WNW
5
W
5
W
5
G7
W
6
G14
W
9
G18
WNW
10
G17
WNW
11
G15
WNW
11
G14
WNW
11
G13
WNW
11
G13
WNW
10
G13
WNW
10
G13
WNW
11
G14
WNW
9
G14
NW
9
G17
NW
6
G15
WNW
5
W
5
W
5
G6
W
5
WNW
5
G8
WNW
6
G17
W
6
G18
W
8
G22
W
10
G26
W
11
G27
W
11
G26
W
12
G27
WNW
14
G25
WNW
14
G24
WNW
14
G21
WNW
14
G20
WNW
13
G19
WNW
13
G19
WNW
13
G20
WNW
14
G19
NW
14
G20
NW
12
G20
NW
10
G22
NW
7
G8
NW
6
NW
5
NW
4
NW
4
NW
3
WNW
PRECIP
chance %
2%
2%
3%
4%
3%
5%
5%
6%
7%
7%
8%
9%
8%
8%
7%
9%
9%
7%
4%
3%
2%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
2%
2%
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%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
2%
3%
3%
3%
3%
3%
3%
1%
1%
1%
1%
1%
1%
8%
8%
8%
8%
8%
8%
3%
3%
3%
3%
3%
CLOUDS
cover %
69%
mostly
69%
52%
45%
93%
98%
100%
100%
100%
99%
100%
93%
43%
0%
0%
8%
4%
0%
0%
0%
0%
28%
95%
22%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
25%
34%
75%
93%
93%
100%
0%
0%
0%
0%
0%
0%
0%
0%
10%
5%
5%
10%
10%
5%
0%
5%
0%
0%
0%
0%
0%
0%
0%
6%
100%
42%
6%
6%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
6%
6%
0%
13%
100%
100%
77%
58%
100%
80%
100%
100%
100%
100%
100%
100%
90%
14%
95%
100%
100%
100%
100%
100%
100%
100%
PRESSURE
hPa · trend
945
945948947946947949947947948947944944944943940941941941941943
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Ideal
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:59 AM
SUNSET
08:45 PM
14H 46M OF DAYLIGHT
MOON PHASE
Waning Crescent
7% illuminated

Station Location

39.7022, -79.1364
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 05:30 UTC
Site #03078000·USGS

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