USGS · 01591700

HAWLINGS RIVER

USGS · 01591700LIVE

HAWLINGS RIVER NEAR SANDY SPRING, MD

MONTGOMERY COUNTY, MD39.1745°N, -77.0214°W Updated 19 hr ago

FLOW RATE

14cfs

GAUGE HT

0.52ft

AIR TEMP

78°F

WIND

5mph SW

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

14cfs 147.5% vs avg

Optimal band: 20–26 cfs

PERIOD HIGH

260cfs

PERIOD LOW

9cfs

RUNNABLE

25%

last 7 day in band

Gauge Height

0.52ft

Precipitation History

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Weather Conditions

WEATHER CONDITIONS

TODAY

81°

72°

MON

84°

65°

TUE

91°

66°

WED

98°

75°

THU

92°

74°

FRI

83°

63°

SAT

82°

62°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

75°

mild

75°

73°

72°

71°

70°

69°

68°

67°

66°

65°

67°

72°

74°

77°

78°

80°

82°

83°

84°

83°

81°

79°

76°

74°

72°

71°

69°

68°

67°

66°

68°

72°

75°

79°

83°

85°

87°

89°

90°

91°

90°

88°

84°

81°

80°

78°

77°

76°

75°

79°

83°

86°

89°

91°

93°

95°

97°

98°

95°

88°

85°

84°

83°

81°

80°

78°

76°

74°

77°

81°

84°

87°

90°

92°

90°

89°

87°

83°

80°

78°

77°

75°

73°

72°

69°

68°

66°

65°

63°

64°

67°

70°

73°

77°

79°

80°

82°

WIND

mph · gust · dir

5mph S

G 11 mph

G11

G12

SSE

G12

G10

G11

SSE

NNE

ENE

ESE

SSE

SSW

G10

G13

G14

G10

G11

SSW

G11

G10

SSW

G10

WSW

G13

G20

G22

WSW

G22

WSW

G20

WSW

G15

G13

G19

G21

G22

WNW

G22

G20

WNW

G16

WNW

G14

WNW

G14

WNW

G14

WNW

G14

WNW

G14

WNW

G14

G15

WNW

G12

NNW

G11

G13

NNW

G13

G16

WNW

G16

WNW

G18

WNW

G19

G18

NNW

G18

G21

G22

NNW

G26

G28

G30

NNW

G28

NNW

G30

NNW

G27

NNW

G24

NNW

G22

NNW

G22

NNW

G21

NNW

G22

NNW

G22

NNW

G19

NNW

G18

NNW

G16

NNW

G15

NNW

G15

NNW

G15

NNW

G15

PRECIP

chance %

CLOUDS

cover %

86%

mostly

86%

82%

98%

95%

100%

19%

22%

100%

22%

29%

100%

94%

14%

31%

13%

23%

58%

46%

51%

77%

100%

71%

64%

81%

11%

90%

17%

100%

12%

79%

96%

100%

98%

100%

15%

11%

100%

17%

52%

PRESSURE

hPa · trend

1009

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Light

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:52 AM

SUNSET

08:35 PM

14H 43M OF DAYLIGHT

MOON PHASE

Waning Crescent

4% illuminated

Station Location

39.1745, -77.0214

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

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