USGS · 03078000

CASSELMAN RIVER

USGS · 03078000LIVE

CASSELMAN RIVER AT GRANTSVILLE, MD

GARRETT COUNTY, MD39.7022°N, -79.1364°W Updated 13 hr ago

FLOW RATE

60cfs

GAUGE HT

1.24ft

AIR TEMP

70°F

WIND

5mph E

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

60cfs 24.4% vs avg

Optimal band: 60–81 cfs

PERIOD HIGH

578cfs

PERIOD LOW

28cfs

RUNNABLE

23%

last 30 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°

64°

MON

78°

64°

TUE

86°

60°

WED

90°

63°

THU

80°

63°

FRI

74°

54°

SAT

78°

51°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

76°

mild

76°

77°

75°

74°

73°

70°

68°

67°

66°

65°

64°

66°

67°

66°

65°

66°

67°

70°

72°

74°

75°

76°

77°

78°

77°

76°

75°

73°

71°

69°

67°

65°

63°

61°

60°

61°

63°

69°

74°

77°

81°

84°

85°

86°

85°

84°

81°

76°

71°

69°

68°

67°

66°

65°

64°

63°

65°

71°

76°

80°

82°

85°

87°

88°

89°

90°

89°

87°

84°

77°

75°

73°

72°

69°

68°

69°

68°

67°

68°

70°

73°

74°

76°

77°

79°

80°

77°

76°

73°

69°

67°

65°

63°

62°

60°

58°

56°

54°

55°

57°

60°

WIND

mph · gust · dir

4mph SE

G 5 mph

ESE

G13

ESE

G13

ESE

G14

ESE

G15

ESE

G21

ESE

G21

ESE

G18

G14

ESE

G12

G10

G16

G14

G11

SSE

G10

SSW

G11

SSW

G14

SSE

ESE

SSW

SSE

WSW

SSW

WNW

NNW

NNE

NNW

WNW

G15

WNW

G14

WNW

G13

WNW

G12

WNW

G11

WNW

G11

WNW

G11

WNW

G12

WNW

G12

WNW

G14

WNW

WSW

G10

G21

G23

G24

G23

WNW

G22

WNW

G20

WNW

G20

WNW

G20

G21

G20

NNW

G19

NNW

G20

NNW

G20

G26

G20

NNW

WNW

PRECIP

chance %

CLOUDS

cover %

100%

overcast

100%

63%

94%

100%

88%

100%

62%

79%

29%

48%

11%

100%

50%

45%

69%

100%

41%

100%

58%

43%

77%

91%

100%

70%

30%

25%

37%

PRESSURE

hPa · trend

947

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Light

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:59 AM

SUNSET

08:45 PM

14H 46M OF DAYLIGHT

MOON PHASE

Waning Crescent

5% illuminated

Station Location

39.7022, -79.1364

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DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC

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