USGS · 03078000

CASSELMAN RIVER

USGS · 03078000LIVE

CASSELMAN RIVER AT GRANTSVILLE, MD

GARRETT COUNTY, MD39.7022°N, -79.1364°W Updated 38 min ago

FLOW RATE

39.9cfs

GAUGE HT

1.10ft

AIR TEMP

74°F

WIND

9mph SW

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

39.9cfs 62.9% vs avg

Optimal band: 49–67 cfs

PERIOD HIGH

106cfs

PERIOD LOW

39.9cfs

RUNNABLE

34%

last 1 day in band

Gauge Height

1.10ft

Precipitation History

Your History · CASSELMAN RIVER AT GRANTSVILLE, MD

Track your history

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

75°

54°

FRI

75°

62°

SAT

67°

64°

SUN

78°

63°

MON

84°

60°

TUE

89°

62°

WED

91°

69°

TIME

THU

NOW

FRI

SAT

SUN

MON

TUE

TEMP

hourly forecast

73°

mild

73°

72°

69°

67°

63°

62°

63°

62°

63°

62°

63°

65°

67°

69°

71°

72°

74°

75°

72°

70°

69°

68°

67°

66°

65°

64°

65°

67°

66°

67°

66°

65°

64°

65°

67°

69°

71°

73°

74°

77°

78°

75°

73°

69°

65°

64°

63°

62°

61°

60°

63°

67°

70°

75°

77°

80°

82°

83°

84°

76°

82°

79°

73°

69°

68°

66°

65°

64°

63°

62°

65°

71°

75°

79°

82°

84°

86°

WIND

mph · gust · dir

9mph SW

G 17 mph

G17

G18

WSW

G13

G11

SSW

ENE

G11

G13

SSW

G11

G12

SSW

G16

SSW

G19

G20

WSW

G17

G15

G14

G15

WSW

G14

WSW

G14

WSW

G16

WSW

G12

WSW

G11

WNW

WSW

NNE

ESE

G10

SSW

G16

SSE

G15

G17

G16

SSE

G16

G19

G21

SSW

G23

G20

G17

WSW

G16

WSW

G15

WSW

G15

WSW

G15

G13

WNW

SSW

NNE

ENE

NNE

ENE

SSE

SSW

ESE

ENE

G15

ESE

G18

G21

G13

SSW

WSW

WNW

PRECIP

chance %

10%

16%

15%

21%

32%

21%

12%

16%

10%

14%

15%

11%

12%

16%

13%

12%

16%

18%

22%

37%

44%

63%

92%

85%

81%

51%

35%

23%

22%

CLOUDS

cover %

100%

overcast

100%

34%

10%

100%

98%

82%

62%

100%

12%

98%

90%

100%

94%

100%

46%

100%

75%

50%

100%

34%

22%

60%

89%

99%

100%

PRESSURE

hPa · trend

943

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Light

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:50 AM

SUNSET

08:48 PM

14H 58M OF DAYLIGHT2H 40M REMAINING

MOON PHASE

Waxing Gibbous

81% illuminated

Station Location

39.7022, -79.1364

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-06-25 18:08 UTC

Site #03078000·USGS

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