Waterlands
Merced R A Happy Isles Bridge nr Yosemite Ca River
USGS · 11264500
MERCED R A HAPPY ISLES BRIDGE NR YOSEMITE CA RIVER
USGS · 11264500LIVE

MERCED R A HAPPY ISLES BRIDGE NR YOSEMITE CA

MARIPOSA COUNTY, CA37.7313°N, -119.5590°W Updated 11 hr ago
FLOW RATE
150cfs
AIR TEMP
58°F
WIND
4mph SSW
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
150cfs 55.3% vs avg
Optimal band: 516–698 cfs
PERIOD HIGH
908cfs
PERIOD LOW
150cfs
RUNNABLE
29%
last 30 day in band
Precipitation History
Your History · MERCED R A HAPPY ISLES BRIDGE NR YOSEMITE CA

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Weather Conditions
WEATHER CONDITIONS
TODAY
78°
58°
FRI
81°
60°
SAT
87°
62°
SUN
88°
64°
MON
87°
64°
TUE
91°
63°
WED
92°
65°
TIME
THU
12
NOW
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
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
TEMP
hourly forecast
76°
mild
76°
76°
77°
78°
77°
77°
75°
73°
70°
67°
65°
64°
63°
63°
63°
63°
62°
61°
60°
63°
69°
72°
75°
77°
78°
80°
80°
81°
81°
81°
79°
77°
73°
68°
66°
64°
63°
63°
63°
62°
62°
62°
62°
68°
75°
78°
81°
83°
85°
86°
87°
87°
86°
85°
83°
80°
70°
66°
65°
65°
65°
65°
65°
65°
64°
64°
64°
69°
77°
80°
83°
86°
87°
88°
88°
87°
87°
85°
83°
80°
70°
66°
66°
66°
66°
66°
66°
65°
65°
64°
64°
69°
77°
80°
82°
84°
85°
86°
87°
87°
86°
85°
82°
79°
69°
65°
65°
65°
64°
64°
64°
64°
WIND
mph · gust · dir
13mph W
G 19 mph
13
G19
W
13
G18
W
12
G17
W
12
G17
W
11
G16
W
11
G15
W
10
G14
W
8
G12
W
5
G11
WSW
1
G9
SW
4
SE
3
SSE
3
S
5
SSW
4
S
5
SSW
3
S
3
SSW
3
SSW
3
SSW
1
W
4
G5
W
8
G11
W
11
G15
W
12
G16
W
13
G18
W
12
G17
W
11
G16
W
11
G14
W
10
G15
W
10
G14
W
8
G13
W
5
G13
W
3
G7
SE
6
ESE
6
ESE
7
E
7
E
7
E
7
ENE
7
ENE
7
ENE
7
ENE
4
ENE
3
W
6
W
8
W
9
WSW
10
WSW
11
WSW
11
WSW
11
WSW
10
WSW
9
WSW
7
WSW
6
WSW
2
WSW
7
E
8
E
8
E
8
E
8
E
8
E
8
E
8
E
8
E
8
ENE
6
ENE
2
W
5
W
7
W
9
WSW
10
WSW
11
WSW
11
WSW
10
WSW
10
WSW
9
WSW
8
WSW
6
W
2
W
7
ENE
8
E
8
E
8
E
8
E
8
E
8
E
8
E
8
ENE
7
E
5
E
2
W
5
WSW
7
WSW
10
WSW
10
WSW
10
WSW
10
WSW
10
WSW
10
WSW
9
WSW
8
WSW
6
WSW
2
WSW
7
ENE
8
E
8
E
9
E
8
E
8
E
8
E
PRECIP
chance %
1%
1%
1%
2%
4%
4%
3%
2%
1%
2%
1%
1%
0%
1%
1%
1%
0%
0%
0%
0%
0%
0%
1%
1%
1%
2%
2%
2%
4%
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%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
5%
5%
5%
5%
5%
5%
4%
4%
4%
4%
4%
4%
1%
1%
1%
1%
1%
1%
2%
2%
2%
2%
2%
2%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
CLOUDS
cover %
100%
overcast
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
52%
9%
2%
0%
1%
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%
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%
5%
5%
5%
5%
0%
6%
100%
100%
100%
100%
100%
78%
5%
5%
5%
6%
6%
5%
5%
10%
6%
5%
5%
7%
5%
5%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
PRESSURE
hPa · trend
878
878878876876881881877878880877877876879875876876879876876
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Ideal
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:40 AM
SUNSET
08:23 PM
14H 43M OF DAYLIGHT8H 27M REMAINING
MOON PHASE
Waning Gibbous
93% illuminated

Station Location

37.7313, -119.5590
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-02 11:56 UTC
Site #11264500·USGS

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