Rivers in California

Merced River at Pohono Bridge

Mariposa County, CaliforniaNWS POHC1USGS 11266500Hanford office

Below flood stage
1.01ftStage

Observed Sun, Sep 27, 5:00 PM PDT

Flood stage
10.00 ft
Forecast crest
1.02 ftTue, Sep 29, 9:00 AM PDT
Record crest
23.43 ft1997

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood20.00 ft
Moderate flood12.50 ft
Minor flood10.00 ft
  1. 23.45 ftFlood of record...1/3/97. $178 million damage to Yosemite Valley.
  2. 13.60 ftLift stations at Housekeeping Camp and Yosemite Creek flooded. Southside Drive at Chapel Meadow impassable.
  3. 12.50 ftNorthside Drive at Wosky Pond, El Capitan crossover, and Sentinel crossover are impassable to vehicles.
  4. 12.00 ftWater on road at Northside Drive, Southside Drive, El Capitan crossover, Sentinel crossover, and Highway 140 near Cookie Cliff.
  5. 11.40 ftWater begins to overtop road curbs on Northside Drive. Swinging Bridge overtops.
  6. 10.00 ftMerced River at Pohono Bridge begins to rise out of its banks. Flood Stage.
  7. 9.50 ftLower Pines and Housekeeping Camp begin flooding.
  8. 7.00 ftRIVER IS CLOSED TO RAFTERS AND FLOATATION DEVICES.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 27, 2024.

Crest history

18 crests on NOAA’s list since 1937.

#DateStage
1January 3, 199723.43 ft
2December 23, 195521.52 ft
3November 19, 195020.98 ft
4December 11, 193720.10 ft
5December 23, 196416.96 ft
6April 11, 198213.11 ft
7January 13, 198013.01 ft
8May 16, 200512.54 ft
9May 30, 198312.10 ft
10May 22, 202312.08 ft
11June 18, 198311.62 ft
12June 5, 199510.70 ft
13June 9, 197810.19 ft
14June 13, 199610.14 ft
15February 16, 19829.91 ft
16May 31, 20039.56 ft
17May 14, 19848.94 ft
18January 1, 20238.05 ft

Most recent crests

  • May 22, 2023: 12.08 ft
  • January 1, 2023: 8.05 ft
  • May 16, 2005: 12.54 ft
  • May 31, 2003: 9.56 ft
  • January 3, 1997: 23.43 ft
  • June 13, 1996: 10.14 ft
  • June 5, 1995: 10.70 ft
  • May 14, 1984: 8.94 ft
  • June 18, 1983: 11.62 ft
  • May 30, 1983: 12.10 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the California Nevada River Forecast Center. Forecasts are issued routinely year-round.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.