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

CALIFORNIA37.7313°N, -119.5590°W Updated 15 hr ago

FLOW RATE

130cfs

GAUGE HT

2.15ft

WATER TEMP

63°F

AIR TEMP

78°F

WIND

2mph SE

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

130cfs 44.7% vs avg

Optimal band: 157–213 cfs

PERIOD HIGH

1,626cfs

PERIOD LOW

11cfs

RUNNABLE

12%

last 1 year in band

Gauge Height

2.15ft

Water Temperature

62.8°F

Precipitation History

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Weather Conditions

WEATHER CONDITIONS

TODAY

87°

70°

MON

87°

71°

TUE

91°

68°

WED

93°

69°

THU

93°

70°

FRI

91°

70°

SAT

90°

68°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

85°

mild

85°

87°

85°

84°

82°

78°

75°

74°

72°

71°

73°

77°

79°

80°

83°

84°

85°

87°

86°

85°

84°

81°

78°

77°

76°

70°

68°

72°

81°

84°

86°

88°

89°

91°

90°

89°

86°

84°

75°

71°

69°

70°

69°

74°

83°

85°

87°

89°

91°

93°

92°

90°

88°

85°

74°

70°

71°

70°

74°

84°

86°

88°

90°

91°

92°

93°

92°

90°

88°

85°

74°

71°

72°

71°

70°

71°

75°

80°

WIND

mph · gust · dir

9mph W

G 12 mph

G12

G10

WSW

G13

SSE

ESE

SSE

SSW

WSW

SSE

WNW

G10

G12

WNW

G13

G15

G14

WSW

G12

SSE

ENE

WSW

WNW

G10

NNW

ENE

WNW

WSW

NNW

ENE

WSW

NNE

ESE

PRECIP

chance %

10%

11%

15%

19%

20%

17%

20%

15%

16%

11%

33%

CLOUDS

cover %

100%

overcast

100%

76%

49%

100%

60%

100%

56%

53%

30%

10%

11%

46%

10%

PRESSURE

hPa · trend

883

TemperatureWind / GustsPrecipitationCloud coverPressure

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FISH INDEX

Temperature

Warm

Wind

Calm

Pressure

Rising — Slow

Moon Phase

Average

DAYLIGHT

SUNRISE

05:46 AM

SUNSET

08:21 PM

14H 35M OF DAYLIGHT

MOON PHASE

Waning Crescent

5% illuminated

Station Location

37.7313, -119.5590

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DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC

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