USGS · 04040000

ONTONAGON RIVER

USGS · 04040000LIVE

ONTONAGON RIVER NEAR ROCKLAND, MI

ROCKLAND TOWNSHIP, MI46.7208°N, -89.2071°W Updated 30 min ago

FLOW RATE

579cfs

GAUGE HT

5.44ft

AIR TEMP

64°F

WIND

1mph SW

FISH INDEX

81SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

579cfs 39.0% vs avg

Optimal band: 501–677 cfs

PERIOD HIGH

599cfs

PERIOD LOW

579cfs

RUNNABLE

100%

last 1 day in band

Gauge Height

5.44ft

Precipitation History

Your History · ONTONAGON RIVER NEAR ROCKLAND, MI

Track your history

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

82°

64°

SUN

85°

57°

MON

84°

58°

TUE

81°

65°

WED

68°

58°

THU

79°

55°

FRI

84°

56°

TIME

SAT

NOW

SUN

MON

TUE

WED

THU

TEMP

hourly forecast

66°

mild

66°

70°

74°

78°

80°

81°

82°

80°

78°

76°

73°

70°

66°

64°

63°

62°

60°

59°

58°

57°

61°

67°

72°

76°

78°

81°

82°

83°

84°

85°

83°

82°

80°

76°

72°

69°

65°

63°

60°

58°

59°

60°

64°

69°

74°

77°

80°

83°

82°

81°

83°

84°

82°

80°

76°

71°

68°

67°

68°

67°

68°

67°

65°

66°

70°

73°

75°

77°

79°

81°

79°

76°

72°

70°

67°

66°

68°

66°

65°

67°

66°

64°

67°

66°

64°

62°

60°

64°

66°

64°

65°

68°

65°

61°

58°

57°

56°

55°

WIND

mph · gust · dir

1mph NE

G 6 mph

ENE

NNE

ENE

G12

ENE

G13

ENE

G13

ENE

G13

G15

G11

ESE

SSE

G12

ESE

ENE

G12

ENE

G12

ENE

G11

ENE

G12

ENE

G16

G13

ESE

G12

ESE

G10

SSE

SSW

NNW

NNE

ESE

G13

G12

SSW

G19

WSW

NNE

SSE

G10

WSW

G10

WNW

NNW

ESE

SSW

WSW

ENE

NNW

G14

NNE

G16

NNE

G19

ENE

G13

G11

G12

NNW

SSW

WNW

PRECIP

chance %

20%

14%

47%

48%

51%

48%

40%

CLOUDS

cover %

100%

overcast

100%

56%

26%

40%

38%

14%

21%

11%

67%

37%

59%

80%

100%

69%

48%

68%

26%

100%

11%

100%

12%

79%

77%

56%

77%

100%

10%

87%

100%

12%

27%

100%

89%

100%

97%

96%

71%

100%

41%

78%

100%

42%

100%

87%

57%

100%

98%

100%

13%

37%

68%

PRESSURE

hPa · trend

994

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Ideal

Wind

Calm

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

06:09 AM

SUNSET

09:53 PM

15H 44M OF DAYLIGHT12H 8M REMAINING

MOON PHASE

Waning Gibbous

80% illuminated

Station Location

46.7208, -89.2071

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-07-04 09:45 UTC

Site #04040000·USGS

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