USGS · 01105600

OLD SWAMP RIVER

USGS · 01105600LIVE

OLD SWAMP RIVER NEAR SOUTH WEYMOUTH, MA

WEYMOUTH, MA42.1904°N, -70.9448°W Updated 47 min ago

FLOW RATE

0.27cfs

GAUGE HT

2.41ft

AIR TEMP

83°F

WIND

9mph W

FISH INDEX

56SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

0.27cfs 95.8% 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°

68°

MON

68°

60°

TUE

63°

60°

WED

69°

58°

THU

82°

57°

FRI

85°

65°

TIME

SAT

NOW

SUN

MON

TUE

WED

THU

TEMP

hourly forecast

78°

mild

78°

81°

84°

88°

90°

91°

93°

94°

93°

94°

91°

89°

87°

84°

82°

80°

79°

78°

77°

75°

74°

72°

73°

71°

72°

75°

80°

82°

83°

81°

79°

76°

74°

70°

68°

67°

66°

64°

63°

62°

61°

60°

61°

62°

61°

60°

61°

62°

63°

62°

61°

60°

61°

60°

61°

63°

65°

67°

68°

69°

68°

67°

65°

63°

61°

59°

58°

WIND

mph · gust · dir

7mph W

G 16 mph

G16

G20

G18

WNW

G14

WNW

G16

WNW

G15

WNW

G17

G19

WNW

G17

G16

G11

NNW

ENE

ESE

G11

ENE

G14

G10

ENE

ESE

ENE

G12

NNE

WSW

SSE

ENE

G10

ENE

G11

G14

ESE

G16

SSE

G19

G18

SSW

G16

SSW

G16

SSW

G11

SSW

SSE

SSW

G10

G11

ESE

G13

G14

ESE

G13

ESE

G16

G22

G27

ESE

G28

G26

ENE

G24

ENE

G25

ENE

G26

ENE

G25

ENE

G26

ENE

G27

ENE

G28

ENE

G28

ENE

G28

ENE

G26

ENE

G22

G15

G18

NNE

G19

NNE

G19

NNE

G19

NNE

G18

NNE

G17

NNE

G17

NNE

G17

G18

G19

G20

G18

NNE

G16

NNE

G15

G14

G13

NNE

G14

G13

G11

ENE

ESE

G12

G19

G23

SSW

G23

PRECIP

chance %

12%

11%

19%

22%

24%

12%

20%

19%

14%

12%

10%

16%

14%

11%

28%

38%

45%

47%

39%

20%

17%

14%

16%

12%

CLOUDS

cover %

clear

18%

23%

36%

16%

24%

81%

20%

100%

86%

100%

46%

94%

100%

75%

100%

48%

82%

100%

97%

100%

85%

92%

100%

98%

100%

87%

69%

51%

32%

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 DAYLIGHT14H 36M REMAINING

MOON PHASE

Waning Gibbous

81% illuminated

Station Location

42.1904, -70.9448

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DATA · USGS · NOAA · NWSUPDATED 2026-07-04 05:47 UTC

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