USGS · 01104455

STONY BROOK

USGS · 01104455LIVE

STONY BROOK, UNNAMED TRIBUTARY 1, NEAR WALTHAM, MA

MASSACHUSETTS42.3726°N, -71.2703°W Updated 1 d ago

FLOW RATE

3cfs

AIR TEMP

62°F

WIND

9mph NNE

FISH INDEX

81SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

3cfs 47.1% vs avg

Optimal band: 1–1 cfs

PERIOD HIGH

7cfs

PERIOD LOW

1cfs

RUNNABLE

70%

last 1 year in band

Precipitation History

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Weather Conditions

WEATHER CONDITIONS

TODAY

67°

62°

WED

86°

61°

THU

89°

69°

FRI

88°

69°

SAT

82°

63°

SUN

88°

60°

MON

88°

65°

TIME

WED

NOW

THU

FRI

SAT

SUN

TEMP

hourly forecast

62°

mild

62°

61°

62°

65°

67°

71°

74°

76°

80°

83°

85°

86°

82°

80°

78°

76°

73°

72°

71°

70°

69°

72°

77°

81°

85°

87°

89°

86°

83°

88°

84°

82°

83°

76°

73°

72°

71°

70°

69°

71°

75°

78°

82°

85°

88°

82°

81°

82°

76°

74°

71°

70°

69°

68°

67°

66°

65°

67°

69°

75°

78°

80°

81°

82°

81°

79°

76°

74°

72°

68°

65°

64°

63°

62°

61°

60°

65°

70°

75°

79°

82°

84°

86°

88°

86°

82°

78°

76°

74°

WIND

mph · gust · dir

9mph N

G 21 mph

G21

G22

G20

G15

NNW

G16

G15

NNW

G13

NNW

G12

NNW

G11

NNW

G11

NNW

G13

NNW

G13

G10

NNW

G10

ESE

G17

SSE

G15

G11

SSW

G12

G13

G14

G16

WSW

G16

WSW

G15

WSW

G14

WSW

G20

WSW

G19

WSW

G17

WSW

G12

WSW

G12

WSW

G15

WSW

G14

WSW

G13

WSW

G14

G21

SSW

G24

G25

G26

SSW

G26

SSW

G26

G22

G19

G16

G14

G13

WSW

G13

WSW

G14

WNW

G11

G10

NNW

G10

G11

ENE

G11

G19

G14

ESE

G13

WSW

G11

WNW

G12

NNW

G17

G22

NNE

G22

G23

G24

G26

NNE

G22

NNE

G19

G20

G19

G18

ENE

G17

G16

G13

G11

ESE

SSE

WSW

WNW

WSW

ESE

G10

G11

ESE

G11

ESE

G11

SSE

PRECIP

chance %

10%

57%

34%

CLOUDS

cover %

89%

overcast

89%

24%

25%

26%

58%

25%

38%

13%

20%

13%

14%

100%

80%

97%

100%

88%

100%

84%

100%

52%

100%

18%

100%

83%

100%

10%

39%

53%

68%

80%

89%

96%

PRESSURE

hPa · trend

1012

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Light

Pressure

Stable

Moon Phase

Good

DAYLIGHT

SUNRISE

05:15 AM

SUNSET

08:24 PM

15H 9M OF DAYLIGHT

MOON PHASE

Last Quarter

43% illuminated

Station Location

42.3726, -71.2703

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

Site #01104455·USGS

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