USGS · 03078000

CASSELMAN RIVER

USGS · 03078000LIVE

CASSELMAN RIVER AT GRANTSVILLE, MD

GARRETT COUNTY, MD39.7022°N, -79.1364°W Updated 17 min ago

FLOW RATE

39.9cfs

GAUGE HT

1.10ft

AIR TEMP

73°F

WIND

5mph SSW

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

35%

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°

61°

SAT

68°

63°

SUN

78°

62°

MON

82°

60°

TUE

87°

60°

WED

81°

66°

TIME

THU

NOW

FRI

SAT

SUN

MON

TUE

TEMP

hourly forecast

73°

mild

73°

71°

72°

70°

67°

64°

63°

62°

61°

62°

61°

63°

65°

67°

69°

71°

72°

74°

75°

72°

70°

69°

68°

67°

66°

65°

64°

63°

65°

66°

68°

67°

68°

67°

68°

67°

66°

65°

64°

65°

66°

67°

68°

70°

71°

70°

76°

78°

77°

73°

72°

68°

64°

63°

62°

61°

60°

62°

65°

68°

73°

76°

78°

80°

81°

82°

81°

80°

77°

72°

68°

66°

65°

64°

63°

62°

61°

60°

62°

65°

68°

72°

76°

79°

WIND

mph · gust · dir

9mph SW

G 16 mph

G16

WSW

G13

G11

SSW

NNW

ESE

NNW

G12

SSW

G12

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

SSW

G21

G23

WSW

G20

WSW

G20

WSW

G17

WSW

G16

WSW

G15

WSW

G15

WSW

G15

WSW

G13

WNW

SSW

SSE

SSW

NNE

NNW

NNE

ESE

ENE

ESE

ENE

G15

G18

ESE

G21

ESE

G13

ESE

SSE

PRECIP

chance %

20%

16%

18%

26%

35%

27%

19%

11%

12%

14%

12%

16%

12%

16%

15%

22%

16%

20%

63%

92%

85%

81%

51%

35%

23%

22%

CLOUDS

cover %

100%

overcast

100%

26%

100%

10%

100%

92%

100%

99%

100%

94%

66%

100%

82%

95%

100%

30%

100%

44%

61%

13%

66%

24%

31%

65%

85%

75%

52%

40%

54%

81%

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 DAYLIGHT4H 1M REMAINING

MOON PHASE

Waxing Gibbous

80% illuminated

Station Location

39.7022, -79.1364

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-06-25 16:47 UTC

Site #03078000·USGS

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