National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

*** IMPORTANT ***  Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.
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MERCED RIVER - YOSEMITE NP AT POHONO BRIDGE (POHC1)
Latitude: 37.72º NLongitude: 119.67º WElevation: 3862 Feet
Location: Mariposa County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Jun 16 2025 at 6:03 AM PDTNext Issuance: Jun 17 2025 at 9:00 AM PDT
Action/Monitor: N/A Minor Flood: 10.0 FeetModerate Flood: 12.5 FeetMajor Flood: 20.0 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Merced River - Yosemite NP at Pohono Bridge (POHC1)
#
# File Generation Time:  06/16/2025 at 06:03 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/11/2025 at 12:00 PM PDT
# Maximum Observed Stage:                       4.74 Feet
# Maximum Observed Flow:                        1251 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/19/2025 at 07:00 AM PDT
# Maximum Forecast Stage:                       4.07 Feet
# Maximum Forecast Flow:                        835 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/11/2025 06 AM PDT            4.66           1198                        Normal
  06/11/2025 07 AM PDT            4.70           1224         +              Normal
  06/11/2025 08 AM PDT            4.73           1244         +              Normal
  06/11/2025 09 AM PDT            4.71           1231         -              Normal
  06/11/2025 10 AM PDT            4.74           1251         +              Normal
  06/11/2025 11 AM PDT            4.74           1251         0              Normal
  06/11/2025 12 PM PDT            4.74           1251         0              Normal
  06/11/2025 01 PM PDT            4.71           1231         -              Normal
  06/11/2025 02 PM PDT            4.71           1231         0              Normal
  06/11/2025 03 PM PDT            4.69           1217         -              Normal
  06/11/2025 04 PM PDT            4.67           1204         -              Normal
  06/11/2025 05 PM PDT            4.65           1191         -              Normal
  06/11/2025 06 PM PDT            4.59           1152         -              Normal
  06/11/2025 07 PM PDT            4.57           1139         -              Normal
  06/11/2025 08 PM PDT            4.53           1114         -              Normal
  06/11/2025 09 PM PDT            4.51           1102         -              Normal
  06/11/2025 10 PM PDT            4.44           1059         -              Normal
  06/11/2025 11 PM PDT            4.44           1059         0              Normal
  06/12/2025 12 AM PDT            4.42           1046         -              Normal
  06/12/2025 01 AM PDT            4.41           1040         -              Normal
  06/12/2025 02 AM PDT            4.40           1034         -              Normal
  06/12/2025 03 AM PDT            4.40           1034         0              Normal
  06/12/2025 04 AM PDT            4.38           1022         -              Normal
  06/12/2025 05 AM PDT            4.43           1052         +              Normal
  06/12/2025 06 AM PDT            4.42           1046         -              Normal
  06/12/2025 07 AM PDT            4.41           1040         -              Normal
  06/12/2025 08 AM PDT            4.41           1040         0              Normal
  06/12/2025 09 AM PDT            4.41           1040         0              Normal
  06/12/2025 10 AM PDT            4.37           1016         -              Normal
  06/12/2025 11 AM PDT            4.42           1046         +              Normal
  06/12/2025 12 PM PDT            4.37           1016         -              Normal
  06/12/2025 01 PM PDT            4.39           1028         +              Normal
  06/12/2025 02 PM PDT            4.39           1028         0              Normal
  06/12/2025 03 PM PDT            4.35           1003         -              Normal
  06/12/2025 04 PM PDT            4.33            991         -              Normal
  06/12/2025 05 PM PDT            4.35           1003         +              Normal
  06/12/2025 06 PM PDT            4.31            978         -              Normal
  06/12/2025 07 PM PDT            4.28            959         -              Normal
  06/12/2025 08 PM PDT            4.24            935         -              Normal
  06/12/2025 09 PM PDT            4.24            935         0              Normal
  06/12/2025 10 PM PDT            4.24            935         0              Normal
  06/12/2025 11 PM PDT            4.17            893         -              Normal
  06/13/2025 12 AM PDT            4.15            881         -              Normal
  06/13/2025 01 AM PDT            4.14            875         -              Normal
  06/13/2025 02 AM PDT            4.12            864         -              Normal
  06/13/2025 03 AM PDT            4.15            881         +              Normal
  06/13/2025 04 AM PDT            4.13            869         -              Normal
  06/13/2025 05 AM PDT            4.12            864         -              Normal
  06/13/2025 06 AM PDT            4.12            864         0              Normal
  06/13/2025 07 AM PDT            4.13            869         +              Normal
  06/13/2025 08 AM PDT            4.12            864         -              Normal
  06/13/2025 09 AM PDT            4.12            864         0              Normal
  06/13/2025 10 AM PDT            4.10            852         -              Normal
  06/13/2025 11 AM PDT            4.08            841         -              Normal
  06/13/2025 12 PM PDT            4.08            841         0              Normal
  06/13/2025 01 PM PDT            4.08            841         0              Normal
  06/13/2025 02 PM PDT            4.10            852         +              Normal
  06/13/2025 03 PM PDT            4.06            829         -              Normal
  06/13/2025 04 PM PDT            4.08            841         +              Normal
  06/13/2025 05 PM PDT            4.05            824         -              Normal
  06/13/2025 06 PM PDT            4.02            807         -              Normal
  06/13/2025 07 PM PDT            4.04            818         +              Normal
  06/13/2025 08 PM PDT            4.01            801         -              Normal
  06/13/2025 09 PM PDT            3.99            790         -              Normal
  06/13/2025 10 PM PDT            3.98            785         -              Normal
  06/13/2025 11 PM PDT            3.92            753         -              Normal
  06/14/2025 12 AM PDT            3.94            763         +              Normal
  06/14/2025 01 AM PDT            3.92            753         -              Normal
  06/14/2025 02 AM PDT            3.90            742         -              Normal
  06/14/2025 03 AM PDT            3.92            753         +              Normal
  06/14/2025 04 AM PDT            3.91            747         -              Normal
  06/14/2025 05 AM PDT            3.91            747         0              Normal
  06/14/2025 06 AM PDT            3.92            753         +              Normal
  06/14/2025 07 AM PDT            3.91            747         -              Normal
  06/14/2025 08 AM PDT            3.91            747         0              Normal
  06/14/2025 09 AM PDT            3.89            737         -              Normal
  06/14/2025 10 AM PDT            3.90            742         +              Normal
  06/14/2025 11 AM PDT            3.89            737         -              Normal
  06/14/2025 12 PM PDT            3.89            737         0              Normal
  06/14/2025 01 PM PDT            3.89            737         0              Normal
  06/14/2025 02 PM PDT            3.89            737         0              Normal
  06/14/2025 03 PM PDT            3.90            742         +              Normal
  06/14/2025 04 PM PDT            3.89            737         -              Normal
  06/14/2025 05 PM PDT            3.88            732         -              Normal
  06/14/2025 06 PM PDT            3.84            711         -              Normal
  06/14/2025 07 PM PDT            3.85            716         +              Normal
  06/14/2025 08 PM PDT            3.84            711         -              Normal
  06/14/2025 09 PM PDT            3.81            696         -              Normal
  06/14/2025 10 PM PDT            3.78            681         -              Normal
  06/14/2025 11 PM PDT            3.79            686         +              Normal
  06/15/2025 12 AM PDT            3.77            676         -              Normal
  06/15/2025 01 AM PDT            3.76            671         -              Normal
  06/15/2025 02 AM PDT            3.74            661         -              Normal
  06/15/2025 03 AM PDT            3.73            656         -              Normal
  06/15/2025 04 AM PDT            3.71            647         -              Normal
  06/15/2025 05 AM PDT            3.72            652         +              Normal
  06/15/2025 06 AM PDT            3.73            656         +              Normal
  06/15/2025 07 AM PDT            3.72            652         -              Normal
  06/15/2025 08 AM PDT            3.71            647         -              Normal
  06/15/2025 09 AM PDT            3.72            652         +              Normal
  06/15/2025 10 AM PDT            3.73            656         +              Normal
  06/15/2025 11 AM PDT            3.74            661         +              Normal
  06/15/2025 12 PM PDT            3.74            661         0              Normal
  06/15/2025 01 PM PDT            3.74            661         0              Normal
  06/15/2025 02 PM PDT            3.72            652         -              Normal
  06/15/2025 03 PM PDT            3.71            647         -              Normal
  06/15/2025 04 PM PDT            3.71            647         0              Normal
  06/15/2025 05 PM PDT            3.71            647         0              Normal
  06/15/2025 06 PM PDT            3.68            632         -              Normal
  06/15/2025 07 PM PDT            3.69            637         +              Normal
  06/15/2025 08 PM PDT            3.67            628         -              Normal
  06/15/2025 09 PM PDT            3.65            618         -              Normal
  06/15/2025 10 PM PDT            3.64            614         -              Normal
  06/15/2025 11 PM PDT            3.63            609         -              Normal
  06/16/2025 12 AM PDT            3.62            605         -              Normal
  06/16/2025 01 AM PDT            3.60            595         -              Normal
  06/16/2025 02 AM PDT            3.57            582         -              Normal
  06/16/2025 03 AM PDT            3.59            591         +              Normal
  06/16/2025 04 AM PDT            3.57            582         -              Normal
  06/16/2025 05 AM PDT            3.56            577         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/16/2025 06 AM PDT            3.57            582                        Normal
  06/16/2025 07 AM PDT            3.58            586         +              Normal
  06/16/2025 08 AM PDT            3.59            591         +              Normal
  06/16/2025 09 AM PDT            3.60            595         +              Normal
  06/16/2025 10 AM PDT            3.61            600         +              Normal
  06/16/2025 11 AM PDT            3.62            605         +              Normal
  06/16/2025 12 PM PDT            3.62            605         0              Normal
  06/16/2025 01 PM PDT            3.63            609         +              Normal
  06/16/2025 02 PM PDT            3.64            614         +              Normal
  06/16/2025 03 PM PDT            3.65            618         +              Normal
  06/16/2025 04 PM PDT            3.65            618         0              Normal
  06/16/2025 05 PM PDT            3.66            623         +              Normal
  06/16/2025 06 PM PDT            3.67            628         +              Normal
  06/16/2025 07 PM PDT            3.68            632         +              Normal
  06/16/2025 08 PM PDT            3.69            637         +              Normal
  06/16/2025 09 PM PDT            3.70            642         +              Normal
  06/16/2025 10 PM PDT            3.71            647         +              Normal
  06/16/2025 11 PM PDT            3.73            656         +              Normal
  06/17/2025 12 AM PDT            3.74            661         +              Normal
  06/17/2025 01 AM PDT            3.75            666         +              Normal
  06/17/2025 02 AM PDT            3.77            676         +              Normal
  06/17/2025 03 AM PDT            3.78            681         +              Normal
  06/17/2025 04 AM PDT            3.78            681         0              Normal
  06/17/2025 05 AM PDT            3.79            686         +              Normal
  06/17/2025 06 AM PDT            3.80            691         +              Normal
  06/17/2025 07 AM PDT            3.80            691         0              Normal
  06/17/2025 08 AM PDT            3.79            686         -              Normal
  06/17/2025 09 AM PDT            3.79            686         0              Normal
  06/17/2025 10 AM PDT            3.78            681         -              Normal
  06/17/2025 11 AM PDT            3.77            676         -              Normal
  06/17/2025 12 PM PDT            3.76            671         -              Normal
  06/17/2025 01 PM PDT            3.75            666         -              Normal
  06/17/2025 02 PM PDT            3.73            656         -              Normal
  06/17/2025 03 PM PDT            3.72            652         -              Normal
  06/17/2025 04 PM PDT            3.71            647         -              Normal
  06/17/2025 05 PM PDT            3.70            642         -              Normal
  06/17/2025 06 PM PDT            3.70            642         0              Normal
  06/17/2025 07 PM PDT            3.69            637         -              Normal
  06/17/2025 08 PM PDT            3.69            637         0              Normal
  06/17/2025 09 PM PDT            3.70            642         +              Normal
  06/17/2025 10 PM PDT            3.71            647         +              Normal
  06/17/2025 11 PM PDT            3.73            656         +              Normal
  06/18/2025 12 AM PDT            3.75            666         +              Normal
  06/18/2025 01 AM PDT            3.77            676         +              Normal
  06/18/2025 02 AM PDT            3.79            686         +              Normal
  06/18/2025 03 AM PDT            3.81            696         +              Normal
  06/18/2025 04 AM PDT            3.82            701         +              Normal
  06/18/2025 05 AM PDT            3.84            711         +              Normal
  06/18/2025 06 AM PDT            3.85            716         +              Normal
  06/18/2025 07 AM PDT            3.87            727         +              Normal
  06/18/2025 08 AM PDT            3.88            732         +              Normal
  06/18/2025 09 AM PDT            3.89            737         +              Normal
  06/18/2025 10 AM PDT            3.89            737         0              Normal
  06/18/2025 11 AM PDT            3.89            737         0              Normal
  06/18/2025 12 PM PDT            3.89            737         0              Normal
  06/18/2025 01 PM PDT            3.89            737         0              Normal
  06/18/2025 02 PM PDT            3.88            732         -              Normal
  06/18/2025 03 PM PDT            3.88            732         0              Normal
  06/18/2025 04 PM PDT            3.88            732         0              Normal
  06/18/2025 05 PM PDT            3.87            727         -              Normal
  06/18/2025 06 PM PDT            3.87            727         0              Normal
  06/18/2025 07 PM PDT            3.87            727         0              Normal
  06/18/2025 08 PM PDT            3.88            732         +              Normal
  06/18/2025 09 PM PDT            3.89            737         +              Normal
  06/18/2025 10 PM PDT            3.91            747         +              Normal
  06/18/2025 11 PM PDT            3.94            763         +              Normal
  06/19/2025 12 AM PDT            3.96            774         +              Normal
  06/19/2025 01 AM PDT            3.98            785         +              Normal
  06/19/2025 02 AM PDT            4.01            801         +              Normal
  06/19/2025 03 AM PDT            4.02            807         +              Normal
  06/19/2025 04 AM PDT            4.04            818         +              Normal
  06/19/2025 05 AM PDT            4.05            824         +              Normal
  06/19/2025 06 AM PDT            4.06            829         +              Normal
  06/19/2025 07 AM PDT            4.07            835         +              Normal
  06/19/2025 08 AM PDT            4.07            835         0              Normal
  06/19/2025 09 AM PDT            4.06            829         -              Normal
  06/19/2025 10 AM PDT            4.05            824         -              Normal
  06/19/2025 11 AM PDT            4.04            818         -              Normal
  06/19/2025 12 PM PDT            4.02            807         -              Normal
  06/19/2025 01 PM PDT            4.01            801         -              Normal
  06/19/2025 02 PM PDT            3.99            790         -              Normal
  06/19/2025 03 PM PDT            3.97            779         -              Normal
  06/19/2025 04 PM PDT            3.96            774         -              Normal
  06/19/2025 05 PM PDT            3.94            763         -              Normal
  06/19/2025 06 PM PDT            3.93            758         -              Normal
  06/19/2025 07 PM PDT            3.92            753         -              Normal
  06/19/2025 08 PM PDT            3.91            747         -              Normal
  06/19/2025 09 PM PDT            3.91            747         0              Normal
  06/19/2025 10 PM PDT            3.92            753         +              Normal
  06/19/2025 11 PM PDT            3.92            753         0              Normal
  06/20/2025 12 AM PDT            3.93            758         +              Normal
  06/20/2025 01 AM PDT            3.94            763         +              Normal
  06/20/2025 02 AM PDT            3.94            763         0              Normal
  06/20/2025 03 AM PDT            3.94            763         0              Normal
  06/20/2025 04 AM PDT            3.94            763         0              Normal
  06/20/2025 05 AM PDT            3.94            763         0              Normal
  06/20/2025 06 AM PDT            3.93            758         -              Normal
  06/20/2025 07 AM PDT            3.93            758         0              Normal
  06/20/2025 08 AM PDT            3.92            753         -              Normal
  06/20/2025 09 AM PDT            3.90            742         -              Normal
  06/20/2025 10 AM PDT            3.89            737         -              Normal
  06/20/2025 11 AM PDT            3.87            727         -              Normal
  06/20/2025 12 PM PDT            3.85            716         -              Normal
  06/20/2025 01 PM PDT            3.84            711         -              Normal
  06/20/2025 02 PM PDT            3.82            701         -              Normal
  06/20/2025 03 PM PDT            3.80            691         -              Normal
  06/20/2025 04 PM PDT            3.78            681         -              Normal
  06/20/2025 05 PM PDT            3.77            676         -              Normal
  06/20/2025 06 PM PDT            3.75            666         -              Normal
  06/20/2025 07 PM PDT            3.74            661         -              Normal
  06/20/2025 08 PM PDT            3.73            656         -              Normal
  06/20/2025 09 PM PDT            3.73            656         0              Normal
  06/20/2025 10 PM PDT            3.73            656         0              Normal
  06/20/2025 11 PM PDT            3.73            656         0              Normal
  06/21/2025 12 AM PDT            3.73            656         0              Normal
  06/21/2025 01 AM PDT            3.74            661         +              Normal
  06/21/2025 02 AM PDT            3.74            661         0              Normal
  06/21/2025 03 AM PDT            3.74            661         0              Normal
  06/21/2025 04 AM PDT            3.74            661         0              Normal
  06/21/2025 05 AM PDT            3.74            661         0              Normal
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Flows are rounded to the nearest (1) cfs.
# NOTE 3: Trends are determined using hourly change in unrounded stage and flow.
# NOTE 4: Maximum Values are determined using unrounded stage and flow.