Waterlands
Ontonagon River
USGS · 04040000
ONTONAGON RIVER
USGS · 04040000LIVE

ONTONAGON RIVER NEAR ROCKLAND, MI

MICHIGAN46.7208°N, -89.2071°W Updated 9 hr ago
FLOW RATE
582cfs
AIR TEMP
64°F
WIND
1mph WNW
FISH INDEX
81SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
582cfs 36.3% vs avg
Optimal band: 565–765 cfs
PERIOD HIGH
1,332cfs
PERIOD LOW
522cfs
RUNNABLE
65%
last 30 day in band
Precipitation History
Your History · ONTONAGON RIVER NEAR ROCKLAND, MI

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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
10
NOW
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
SUN
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
MON
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
TUE
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
WED
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
THU
12
am
1
am
2
am
3
am
4
am
TEMP
hourly forecast
66°
mild
66°
70°
74°
78°
80°
81°
82°
82°
80°
78°
76°
73°
70°
66°
64°
63°
62°
60°
59°
58°
57°
57°
61°
67°
72°
76°
78°
81°
82°
83°
84°
85°
83°
82°
80°
76°
72°
69°
65°
63°
60°
58°
58°
59°
59°
60°
64°
69°
74°
77°
80°
83°
82°
81°
83°
84°
82°
80°
76°
71°
68°
68°
68°
67°
67°
68°
67°
68°
67°
65°
66°
70°
73°
73°
75°
77°
79°
79°
81°
81°
81°
79°
76°
72°
70°
67°
66°
68°
66°
65°
67°
67°
66°
64°
67°
66°
64°
62°
62°
60°
60°
64°
66°
64°
65°
68°
68°
65°
61°
58°
57°
56°
56°
56°
55°
WIND
mph · gust · dir
1mph NE
G 6 mph
1
G6
NE
4
G5
E
2
G3
ENE
3
G5
NE
4
G6
NE
5
G7
NNE
6
G7
ENE
7
G9
ENE
9
G12
ENE
9
G13
ENE
8
G13
ENE
7
G13
E
4
G15
E
3
G15
E
2
G11
ESE
2
G5
SSE
3
G6
SE
3
G4
E
3
G6
E
4
G8
E
2
G5
E
2
G5
SE
3
G7
SSE
4
G12
SE
4
G9
ESE
4
G6
ESE
4
G6
E
4
G5
E
5
G7
ENE
5
G6
E
4
G5
E
4
G5
ENE
9
G12
ENE
9
G12
ENE
8
G11
ENE
7
G12
ENE
4
G16
E
3
G13
ESE
4
G12
ESE
4
G10
SE
4
G10
SE
4
G8
SE
4
G7
SE
4
G6
SSE
5
SSE
4
S
3
S
3
SSW
3
G4
SW
5
G6
W
4
G5
NW
5
G6
NW
10
NNW
7
NNW
7
NNW
6
NNW
7
NNW
6
N
3
NNE
4
G6
ESE
4
G6
SE
5
G13
SE
6
G12
S
5
G9
SSW
4
G7
SW
4
G5
SW
5
G9
SSW
5
G19
WSW
4
G7
NNE
3
NNE
2
G4
SE
3
G6
SSE
6
G10
SW
4
G8
WSW
6
G10
W
5
G9
W
5
G7
W
5
G7
NW
5
G7
NW
5
G7
WNW
6
G8
NW
6
G7
NW
4
G7
NW
3
NNW
3
NNW
2
ESE
1
NW
1
G2
SSW
2
WSW
3
G4
W
3
WSW
4
ENE
2
SW
2
S
4
G8
NW
6
G8
NNW
4
G14
NNE
3
G4
N
4
G7
N
6
G16
NNE
5
G19
ENE
8
G13
NE
9
G13
N
7
G11
N
7
G12
N
6
G9
N
5
NNW
3
G4
NNW
1
G3
W
2
SSW
2
SW
2
G3
WNW
3
NW
2
G3
NW
0
G3
E
PRECIP
chance %
4%
4%
4%
3%
3%
2%
2%
2%
1%
2%
2%
2%
2%
3%
3%
3%
3%
3%
3%
3%
4%
6%
6%
6%
5%
3%
3%
2%
2%
3%
3%
2%
5%
5%
5%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
3%
3%
3%
3%
3%
3%
4%
4%
4%
4%
4%
4%
5%
5%
5%
5%
5%
5%
8%
8%
8%
8%
8%
8%
20%
20%
20%
20%
20%
20%
14%
14%
14%
14%
14%
14%
47%
47%
47%
47%
47%
47%
48%
48%
48%
48%
48%
48%
51%
51%
51%
51%
51%
51%
48%
48%
48%
48%
48%
48%
40%
40%
CLOUDS
cover %
100%
overcast
100%
56%
26%
40%
38%
14%
21%
11%
2%
1%
0%
0%
0%
0%
0%
0%
0%
67%
0%
37%
5%
59%
80%
100%
69%
48%
68%
26%
100%
100%
11%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
6%
100%
100%
100%
12%
79%
77%
56%
6%
5%
77%
100%
5%
10%
87%
100%
12%
27%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
89%
100%
97%
96%
71%
100%
41%
78%
100%
100%
42%
100%
100%
87%
57%
100%
98%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
4%
0%
0%
0%
0%
1%
4%
13%
37%
68%
PRESSURE
hPa · trend
994
994994993993994994993995995994992992993991990990989989989990
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
81
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

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