Waterlands
St. Marys River
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
61.4cfs
GAUGE HT
1.88ft
AIR TEMP
75°F
WIND
5mph WNW
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
61.4cfs 76.7% vs avg
Optimal band: 36–48 cfs
PERIOD HIGH
63.3cfs
PERIOD LOW
35.6cfs
RUNNABLE
64%
last 1 day in band

Gauge Height

1.88ft
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
2
NOW
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
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
FRI
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
SAT
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
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
TEMP
hourly forecast
69°
mild
69°
68°
67°
66°
65°
66°
69°
74°
78°
81°
83°
84°
85°
85°
86°
86°
86°
85°
83°
80°
77°
75°
73°
72°
70°
69°
69°
68°
67°
67°
72°
76°
81°
83°
84°
84°
84°
84°
86°
86°
85°
84°
80°
74°
71°
71°
71°
71°
71°
69°
69°
68°
68°
68°
69°
68°
69°
72°
76°
79°
80°
82°
83°
80°
78°
80°
78°
74°
72°
71°
70°
70°
69°
69°
69°
68°
68°
68°
70°
72°
74°
76°
78°
78°
79°
79°
79°
79°
78°
76°
75°
73°
72°
71°
70°
70°
69°
68°
68°
67°
67°
67°
70°
73°
75°
77°
80°
82°
83°
84°
84°
84°
83°
82°
80°
WIND
mph · gust · dir
3mph NW
G 8 mph
3
G8
NW
4
G11
NNW
2
G7
NW
3
G4
WSW
3
W
4
NW
1
G2
WSW
2
G3
WSW
3
G4
W
4
G6
WSW
5
G7
WSW
5
G6
WNW
7
G8
WNW
5
G7
WNW
5
G6
W
4
G6
W
5
G6
W
4
G6
WNW
2
G4
WNW
2
WSW
3
SW
2
G3
WNW
2
G3
WSW
4
SW
4
G5
SW
4
G6
SW
4
G6
SW
3
G7
SW
5
G9
SW
4
G10
SW
4
G10
WSW
5
G10
WSW
7
G11
SW
8
G13
WSW
9
G13
WSW
8
G12
WSW
9
G13
WSW
8
G12
W
8
G11
WSW
8
G11
W
7
G10
W
6
G9
W
5
G7
WSW
8
G13
WSW
7
G19
WSW
7
G15
W
3
G4
SW
7
G12
SW
3
SW
3
SSW
4
ESE
5
G9
SE
7
G13
ESE
5
G8
E
6
G10
NNE
12
G17
NNE
10
G19
NNE
12
G17
N
13
G16
N
13
G15
N
12
G16
NNW
10
G13
N
8
G10
NNW
6
G10
WNW
7
G11
WNW
7
G13
NW
6
G11
NW
7
G11
NW
7
G11
NNW
5
G6
N
2
G3
N
4
G5
NNE
4
NE
2
G3
NE
3
G4
NNE
4
NE
4
G5
NE
3
ENE
2
G3
NE
3
G4
ENE
5
E
3
SSE
3
SSW
3
WSW
4
SW
4
W
4
W
4
W
4
G5
W
3
G5
W
3
WNW
1
G2
WNW
1
WSW
1
ESE
3
ENE
4
ENE
4
ENE
4
E
3
E
3
G4
ENE
4
ENE
4
E
4
G5
ENE
4
G5
NE
5
ENE
5
ENE
5
NE
5
G6
NE
6
NE
6
NE
6
G7
NE
7
NE
6
G7
NNE
6
NNE
5
NNE
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
9%
9%
9%
9%
9%
9%
29%
29%
29%
29%
29%
29%
71%
71%
71%
71%
71%
71%
46%
46%
46%
46%
46%
46%
51%
51%
51%
51%
51%
51%
27%
27%
27%
27%
27%
27%
17%
17%
17%
17%
17%
17%
18%
18%
18%
18%
18%
18%
15%
15%
15%
15%
15%
15%
8%
8%
8%
8%
8%
8%
7%
7%
7%
7%
7%
7%
8%
8%
8%
8%
8%
8%
9%
9%
9%
9%
9%
9%
CLOUDS
cover %
87%
mostly
87%
100%
100%
85%
100%
88%
11%
100%
96%
100%
100%
100%
63%
100%
100%
100%
100%
100%
100%
72%
69%
42%
100%
100%
100%
100%
100%
100%
77%
2%
80%
0%
0%
96%
8%
7%
51%
66%
6%
99%
6%
100%
100%
60%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
97%
43%
49%
36%
23%
45%
100%
100%
0%
5%
100%
94%
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%
0%
0%
0%
5%
0%
0%
0%
9%
4%
17%
28%
51%
57%
58%
54%
41%
22%
7%
PRESSURE
hPa · trend
988
988988988986986986984982982980983985987988989988988989989988
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
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
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-08 00:40 UTC
Site #04180988·USGS

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