USGS · 01029500

EAST BRANCH

USGS · 01029500LIVE

East Branch Penobscot River at Grindstone, Maine

GRINDSTONE TOWNSHIP, ME45.7303°N, -68.5894°W Updated 3 hr ago

FLOW RATE

805cfs

GAUGE HT

5.11ft

AIR TEMP

63°F

WIND

3mph SSW

FISH INDEX

94SCORE / 100

EPIC · 5 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

805cfs 29.9% vs avg

Optimal band: 684–926 cfs

PERIOD HIGH

7,839cfs

PERIOD LOW

317cfs

RUNNABLE

19%

last 1 year in band

Gauge Height

5.11ft

Precipitation History

Your History · East Branch Penobscot River at Grindstone, Maine

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Weather Conditions

WEATHER CONDITIONS

TODAY

81°

52°

MON

84°

58°

TUE

85°

66°

WED

82°

62°

THU

72°

54°

FRI

72°

43°

SAT

76°

52°

TIME

MON

NOW

TUE

WED

THU

FRI

TEMP

hourly forecast

59°

mild

59°

58°

59°

64°

69°

73°

77°

80°

82°

83°

84°

81°

79°

77°

72°

71°

70°

69°

70°

69°

67°

66°

67°

69°

71°

76°

81°

78°

75°

80°

84°

85°

84°

82°

79°

77°

73°

71°

70°

69°

66°

65°

63°

67°

65°

73°

76°

78°

80°

82°

80°

79°

74°

67°

65°

63°

62°

61°

59°

58°

59°

58°

56°

57°

62°

66°

72°

66°

59°

66°

68°

72°

71°

70°

66°

64°

60°

57°

54°

55°

54°

53°

47°

44°

43°

45°

50°

55°

59°

63°

64°

63°

67°

69°

71°

72°

69°

64°

60°

58°

56°

WIND

mph · gust · dir

4mph SSE

G 6 mph

SSE

G13

SSW

G12

G15

SSW

G15

SSW

G16

SSW

G16

SSW

G17

G16

WNW

G22

WNW

G16

SSE

G13

G10

SSW

G13

SSW

G12

SSW

G11

SSW

G22

G14

SSW

G18

G24

WSW

G21

SSW

G27

SSW

G23

SSW

G21

WSW

G22

WSW

G23

WSW

G19

WSW

G11

WSW

WNW

G15

NNW

WNW

G14

NNW

G24

G11

WNW

G14

WNW

G18

WNW

G18

WNW

G18

WNW

G19

WNW

G20

WNW

G22

WNW

G23

WNW

G24

WNW

G28

G18

WSW

G19

WSW

G17

WSW

G18

WSW

G17

G13

G17

WSW

G25

G19

G13

WSW

G10

WSW

G13

WSW

G22

G13

WNW

G10

G17

G23

G22

G21

WNW

G20

WNW

G19

WNW

G18

G15

G14

G13

G12

G11

WNW

G11

WSW

G11

WNW

G11

G15

G16

G17

WNW

G16

WNW

G20

WNW

G21

WSW

G19

WSW

G17

G16

G17

G18

PRECIP

chance %

11%

17%

21%

28%

33%

20%

16%

11%

28%

52%

12%

18%

33%

CLOUDS

cover %

100%

overcast

100%

11%

14%

46%

83%

65%

67%

31%

100%

64%

68%

100%

94%

100%

89%

99%

100%

44%

100%

97%

100%

35%

100%

76%

18%

100%

43%

100%

54%

100%

35%

11%

10%

100%

15%

92%

100%

35%

52%

51%

100%

12%

100%

82%

100%

58%

52%

16%

20%

100%

86%

67%

55%

60%

73%

75%

52%

19%

PRESSURE

hPa · trend

1010

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Calm

Pressure

Stable

Moon Phase

Peak Activity

DAYLIGHT

SUNRISE

04:57 AM

SUNSET

08:23 PM

15H 26M OF DAYLIGHT

MOON PHASE

New Moon

3% illuminated

PEAK ACTIVITY

Station Location

45.7303, -68.5894

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-07-13 00:00 UTC

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