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

ONTONAGON RIVER NEAR ROCKLAND, MI

MICHIGAN46.7208°N, -89.2071°W Updated 12 hr ago
FLOW RATE
582cfs
AIR TEMP
67°F
WIND
3mph NNE
FISH INDEX
81SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
582cfs 0.3% vs avg
Optimal band: 762–1,032 cfs
PERIOD HIGH
17,509cfs
PERIOD LOW
514cfs
RUNNABLE
35%
last 1 year in band
Precipitation History
Your History · ONTONAGON RIVER NEAR ROCKLAND, MI

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Weather Conditions
WEATHER CONDITIONS
TODAY
82°
63°
SUN
85°
57°
MON
85°
59°
TUE
88°
64°
WED
69°
60°
THU
80°
52°
FRI
88°
54°
TIME
SAT
12
NOW
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
5
am
6
am
7
am
TEMP
hourly forecast
77°
mild
77°
79°
81°
82°
82°
81°
79°
77°
75°
72°
69°
67°
65°
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°
61°
59°
59°
59°
59°
60°
64°
70°
74°
78°
82°
84°
84°
85°
84°
84°
83°
80°
78°
75°
71°
67°
67°
68°
69°
67°
66°
64°
64°
65°
69°
73°
77°
81°
84°
87°
88°
87°
88°
88°
81°
79°
73°
71°
69°
68°
68°
69°
69°
69°
69°
69°
69°
67°
67°
69°
69°
69°
69°
68°
66°
66°
67°
68°
66°
66°
67°
65°
62°
60°
59°
57°
56°
55°
54°
53°
52°
52°
WIND
mph · gust · dir
4mph NE
G 5 mph
4
G5
NE
4
G5
NE
5
G7
NE
6
G7
NE
8
G11
ENE
9
G12
ENE
10
G13
ENE
9
G13
ENE
9
G14
ENE
8
G15
ENE
4
G17
ENE
1
G11
ENE
1
G7
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
5
G10
SE
5
G8
SE
5
G7
SSE
5
G6
SSE
5
SSE
5
S
4
S
6
S
6
SSW
5
G6
SW
4
G5
W
6
NW
6
G9
NNW
8
NNW
9
NNW
9
NNW
7
NNW
5
G6
N
3
NE
4
G6
E
4
G6
ESE
5
G13
SSW
4
G12
SSW
6
G9
SW
7
SSW
6
SSW
5
G9
SSW
5
G19
SSW
5
G7
S
5
SSW
5
SSW
6
SSW
6
G10
SSW
8
SW
8
G10
SW
7
G9
WSW
5
G7
W
4
G7
NW
5
G7
NNW
6
G7
NNW
5
G8
N
5
G7
NW
3
G7
N
2
G3
NNW
1
G3
ESE
3
SSW
4
SSW
4
S
4
SW
5
SW
5
WSW
3
G4
SW
6
WNW
7
WNW
2
G8
WSW
4
G8
WSW
4
G14
SW
4
SW
1
G7
NW
4
G16
N
4
G19
N
4
G13
NNE
6
G13
NNE
6
G11
N
4
G12
NNE
4
G9
NNE
4
G5
ENE
4
ENE
3
SE
3
SE
3
SE
2
G3
NNW
4
N
4
N
3
N
3
NNW
4
NNW
5
NNW
PRECIP
chance %
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
2%
3%
3%
4%
3%
3%
4%
4%
5%
6%
7%
6%
5%
3%
3%
2%
2%
3%
3%
2%
2%
2%
1%
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%
40%
40%
40%
CLOUDS
cover %
5%
clear
5%
7%
18%
27%
0%
0%
0%
0%
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%
5%
10%
100%
9%
100%
39%
87%
8%
7%
5%
49%
9%
8%
15%
95%
100%
56%
6%
10%
37%
64%
11%
17%
63%
100%
100%
100%
100%
100%
89%
23%
25%
98%
100%
99%
96%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
6%
0%
0%
6%
29%
51%
71%
91%
PRESSURE
hPa · trend
994
994994993993995994994995995994992991993991990989991989989990
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 DAYLIGHT9H 34M REMAINING
MOON PHASE
Waning Gibbous
79% illuminated

Station Location

46.7208, -89.2071
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-04 12:19 UTC
Site #04040000·USGS

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