USGS · 04180988

ST. MARYS RIVER

USGS · 04180988LIVE

St. Marys River at Rockford OH

OHIO40.6948°N, -84.6466°W Updated 1 hr ago

FLOW RATE

62cfs

AIR TEMP

75°F

WIND

5mph WNW

FISH INDEX

75SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

62cfs 20.0% vs avg

Optimal band: 72–98 cfs

PERIOD HIGH

443cfs

PERIOD LOW

32cfs

RUNNABLE

16%

last 30 day in band

Precipitation History

Your History · St. Marys River at Rockford OH

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Weather Conditions

WEATHER CONDITIONS

TODAY

84°

65°

WED

86°

65°

THU

86°

67°

FRI

83°

68°

SAT

79°

68°

SUN

84°

67°

MON

84°

65°

TIME

WED

NOW

THU

FRI

SAT

SUN

TEMP

hourly forecast

69°

mild

69°

68°

67°

66°

65°

66°

69°

74°

78°

81°

83°

84°

85°

86°

85°

83°

80°

77°

75°

73°

72°

70°

69°

68°

67°

72°

76°

81°

83°

84°

86°

85°

84°

80°

74°

71°

69°

68°

69°

68°

69°

72°

76°

79°

80°

82°

83°

80°

78°

80°

78°

74°

72°

71°

70°

69°

68°

70°

72°

74°

76°

78°

79°

78°

76°

75°

73°

72°

71°

70°

69°

68°

67°

70°

73°

75°

77°

80°

82°

83°

84°

83°

82°

80°

WIND

mph · gust · dir

3mph NW

G 8 mph

G11

NNW

WSW

WNW

WSW

WNW

WSW

G10

WSW

G10

WSW

G11

G13

WSW

G13

WSW

G12

WSW

G13

WSW

G12

G11

WSW

G11

G10

WSW

G13

WSW

G19

WSW

G15

G12

SSW

ESE

G13

ESE

G10

NNE

G17

NNE

G19

NNE

G17

G16

G15

G16

NNW

G13

G10

NNW

G10

WNW

G11

WNW

G13

G11

NNW

NNE

ENE

SSE

SSW

WSW

WNW

WSW

ESE

ENE

NNE

PRECIP

chance %

29%

71%

46%

51%

27%

17%

18%

15%

CLOUDS

cover %

87%

mostly

87%

100%

85%

100%

88%

11%

100%

96%

100%

63%

100%

72%

69%

42%

100%

77%

80%

96%

51%

66%

99%

100%

60%

100%

97%

43%

49%

36%

23%

45%

100%

94%

100%

17%

28%

51%

57%

58%

54%

41%

22%

PRESSURE

hPa · trend

988

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Light

Pressure

Stable

Moon Phase

Good

DAYLIGHT

SUNRISE

06:14 AM

SUNSET

09:12 PM

14H 58M OF DAYLIGHT

MOON PHASE

Last Quarter

43% illuminated

Station Location

40.6948, -84.6466

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

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