USGS · 01077400

COCKERMOUTH RIVER

USGS · 01077400LIVE

COCKERMOUTH RIVER BELOW HARDY BROOK, AT GROTON, NH

GROTON, NH43.7039°N, -71.8333°W Updated 38 min ago

FLOW RATE

43cfs

GAUGE HT

1.89ft

AIR TEMP

60°F

WIND

4mph E

FISH INDEX

81SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

43cfs 78.9% vs avg

Optimal band: 31–42 cfs

PERIOD HIGH

43cfs

PERIOD LOW

29.5cfs

RUNNABLE

82%

last 1 day in band

Gauge Height

1.89ft

Precipitation History

Your History · COCKERMOUTH RIVER BELOW HARDY BROOK, AT GROTON, NH

Track your history

Sign in to track your sessions at COCKERMOUTH RIVER BELOW HARDY BROOK, AT GROTON, NH — best days, monthly trends, and time on the water.

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

70°

60°

SAT

75°

59°

SUN

81°

56°

MON

84°

57°

TUE

86°

59°

WED

86°

62°

THU

76°

60°

TIME

FRI

NOW

SAT

SUN

MON

TUE

WED

TEMP

hourly forecast

61°

mild

61°

63°

64°

67°

68°

69°

70°

66°

64°

63°

62°

61°

60°

59°

60°

63°

65°

67°

69°

71°

72°

73°

74°

75°

73°

71°

69°

68°

66°

63°

61°

59°

57°

56°

57°

60°

64°

69°

73°

76°

78°

79°

81°

80°

74°

71°

73°

69°

64°

62°

60°

59°

58°

57°

58°

63°

68°

73°

76°

78°

80°

82°

83°

84°

83°

81°

76°

70°

66°

64°

66°

63°

60°

59°

60°

65°

70°

74°

77°

81°

75°

82°

86°

84°

81°

75°

72°

69°

66°

64°

63°

WIND

mph · gust · dir

3mph E

G 8 mph

ESE

G13

ESE

G10

ESE

G11

ENE

G15

WNW

WSW

WNW

G15

WNW

G16

G13

WNW

G10

WNW

NNW

NNE

ESE

WSW

WNW

G10

NNW

G12

G11

G10

NNW

G11

G10

NNW

ENE

WNW

WSW

G10

WNW

G10

G12

ESE

NNW

PRECIP

chance %

44%

17%

14%

20%

46%

37%

28%

51%

48%

50%

34%

17%

28%

13%

14%

16%

18%

17%

26%

CLOUDS

cover %

100%

overcast

100%

94%

100%

63%

100%

84%

85%

100%

65%

63%

100%

93%

100%

37%

100%

97%

21%

42%

53%

11%

36%

94%

100%

63%

82%

100%

21%

50%

100%

44%

59%

52%

11%

10%

33%

62%

100%

77%

23%

88%

100%

75%

100%

74%

100%

84%

63%

49%

57%

64%

70%

PRESSURE

hPa · trend

996

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Calm

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:07 AM

SUNSET

08:33 PM

15H 26M OF DAYLIGHT11H 55M REMAINING

MOON PHASE

Waxing Gibbous

86% illuminated

Station Location

43.7039, -71.8333

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-06-26 08:38 UTC

Site #01077400·USGS

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