MERCED R A HAPPY ISLES BRIDGE NR YOSEMITE CA

MARIPOSA COUNTY, CA37.7313°N, -119.5590°W Updated 12 hr ago

FLOW RATE

131cfs

GAUGE HT

2.16ft

WATER TEMP

63°F

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

131cfs 63.4% vs avg

Optimal band: 239–323 cfs

PERIOD HIGH

777cfs

PERIOD LOW

131cfs

RUNNABLE

last 30 day in band

Gauge Height

2.16ft

Water Temperature

63.1°F

Precipitation History

Your History · MERCED R A HAPPY ISLES BRIDGE NR YOSEMITE CA

Track your history

Sign in to track your sessions at MERCED R A HAPPY ISLES BRIDGE NR YOSEMITE CA — best days, monthly trends, and time on the water.

37.7313, -119.5590

Loading map…

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

Site #11264500·USGS

Create a free account to save favorites, set flow alerts, and track conditions