USGS · 01104480

STONY BROOK

USGS · 01104480LIVE

STONY BROOK RESERVOIR AT DAM NEAR WALTHAM, MA

MASSACHUSETTS42.3557°N, -71.2651°W Updated 1 hr ago

FLOW RATE

0cfs

AIR TEMP

63°F

WIND

9mph N

FISH INDEX

81SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

0cfs 92.6% vs avg

Optimal band: 16–22 cfs

PERIOD HIGH

96cfs

PERIOD LOW

1cfs

RUNNABLE

14%

last 1 year in band

Precipitation History

Your History · STONY BROOK RESERVOIR AT DAM NEAR WALTHAM, MA

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Weather Conditions

WEATHER CONDITIONS

TODAY

67°

63°

WED

86°

60°

THU

90°

69°

FRI

88°

70°

SAT

82°

63°

SUN

89°

60°

MON

88°

65°

TIME

WED

NOW

THU

FRI

SAT

SUN

TEMP

hourly forecast

62°

mild

62°

60°

61°

63°

66°

69°

72°

74°

78°

81°

84°

86°

83°

81°

80°

77°

74°

72°

71°

70°

69°

73°

78°

82°

86°

89°

90°

87°

83°

89°

84°

82°

84°

77°

73°

71°

70°

72°

75°

78°

83°

85°

88°

83°

82°

83°

76°

74°

72°

71°

70°

69°

68°

67°

66°

67°

70°

76°

79°

80°

82°

80°

77°

75°

72°

68°

65°

64°

63°

62°

61°

60°

61°

65°

70°

75°

80°

82°

85°

87°

89°

86°

82°

79°

76°

75°

73°

WIND

mph · gust · dir

7mph N

G 20 mph

G20

NNE

G12

G11

G14

G13

NNW

G11

NNW

G12

NNW

G10

NNE

NNW

G12

NNW

G13

NNW

ENE

G10

G17

SSE

G15

G10

SSW

G11

G12

G13

G16

WSW

G16

WSW

G15

WSW

G13

WSW

G20

WSW

G19

WSW

G16

WSW

G12

WSW

G12

WSW

G15

WSW

G14

WSW

G14

WSW

G18

G22

SSW

G21

G24

G26

G21

SSW

G26

SSW

G26

G23

G20

G18

WSW

G15

WSW

G13

WNW

NNW

ENE

G10

G11

ESE

WSW

WNW

NNW

G16

G24

NNE

G18

G22

G23

NNE

G18

NNE

G15

G13

G12

G11

G10

ENE

G10

G11

G12

G13

ESE

SSE

WSW

WNW

WSW

ESE

G11

G14

ESE

G17

ESE

G20

SSE

G20

PRECIP

chance %

10%

57%

34%

CLOUDS

cover %

100%

overcast

100%

14%

70%

24%

17%

11%

16%

26%

100%

80%

97%

100%

88%

100%

84%

100%

52%

100%

18%

100%

83%

100%

10%

39%

53%

68%

80%

89%

96%

100%

PRESSURE

hPa · trend

1017

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

42.3557, -71.2651

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-07-08 00:00 UTC

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