USGS · 01105600

OLD SWAMP RIVER

USGS · 01105600LIVE

OLD SWAMP RIVER NEAR SOUTH WEYMOUTH, MA

WEYMOUTH, MA42.1904°N, -70.9448°W Updated 58 min ago

FLOW RATE

0.27cfs

GAUGE HT

2.41ft

AIR TEMP

82°F

WIND

7mph W

FISH INDEX

56SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

0.27cfs 95.9% vs avg

Optimal band: 0–0 cfs

PERIOD HIGH

0.36cfs

PERIOD LOW

0.27cfs

RUNNABLE

last 1 day in band

Gauge Height

2.41ft

Precipitation History

Your History · OLD SWAMP RIVER NEAR SOUTH WEYMOUTH, MA

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Weather Conditions

WEATHER CONDITIONS

TODAY

94°

78°

SUN

83°

69°

MON

69°

61°

TUE

66°

59°

WED

76°

59°

THU

91°

65°

FRI

78°

69°

TIME

SAT

NOW

SUN

MON

TUE

WED

THU

TEMP

hourly forecast

81°

mild

81°

84°

88°

91°

93°

94°

91°

94°

93°

92°

87°

84°

82°

80°

79°

78°

77°

75°

74°

72°

73°

71°

72°

75°

80°

82°

83°

81°

78°

74°

71°

69°

68°

67°

66°

64°

62°

63°

62°

61°

62°

63°

64°

65°

66°

65°

64°

62°

61°

60°

59°

61°

62°

64°

65°

66°

70°

72°

74°

73°

76°

74°

70°

69°

67°

66°

65°

WIND

mph · gust · dir

9mph WNW

G 20 mph

G20

WNW

G17

WNW

G13

WNW

G13

WNW

G13

WNW

G15

G17

WNW

G17

G16

WNW

G15

WNW

ENE

ESE

G11

ENE

G14

G10

ENE

ESE

ENE

G12

NNE

WSW

SSE

ENE

G10

ENE

G11

G14

ESE

G16

ESE

G19

G18

G16

SSE

G16

G11

ESE

SSW

ENE

G10

ENE

G11

ENE

G13

ENE

G14

G16

G22

G27

G28

G26

G24

G25

G26

G25

G26

G27

ENE

G28

ENE

G28

G26

G22

G15

NNE

G15

NNE

G18

NNE

G19

NNE

G19

NNE

G19

G18

G17

NNW

G17

NNW

G18

G19

G20

NNW

G18

NNW

G16

NNW

G15

G14

G13

G14

G13

G11

NNE

NNW

WSW

SSE

G12

G19

SSW

G23

G22

PRECIP

chance %

12%

16%

17%

23%

10%

24%

23%

17%

15%

12%

16%

14%

11%

28%

38%

45%

47%

39%

20%

17%

14%

16%

12%

CLOUDS

cover %

clear

27%

100%

38%

19%

13%

89%

44%

100%

46%

94%

100%

75%

100%

48%

82%

100%

97%

100%

95%

93%

79%

54%

100%

92%

11%

100%

39%

33%

34%

37%

40%

45%

PRESSURE

hPa · trend

1007

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Too Hot

Wind

Light

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:13 AM

SUNSET

08:23 PM

15H 10M OF DAYLIGHT13H 25M REMAINING

MOON PHASE

Waning Gibbous

81% illuminated

Station Location

42.1904, -70.9448

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DATA · USGS · NOAA · NWSUPDATED 2026-07-04 06:58 UTC

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