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

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MERCED RIVER - STEVINSON (STVC1)
Latitude: 37.37º NLongitude: 120.93º WElevation: 82 FeetForecast Type: Official Location
Location: Merced County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Sep 19 2026 at 8:26 AM PDTNext Issuance: Sep 20 2026 at 9:00 AM PDT
Action: 68.0 FeetMinor Flood: 71.0 FeetModerate Flood: 73.8 FeetMajor Flood: 75.0 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Merced River - Stevinson (STVC1)
#
# File Generation Time:  09/19/2026 at 08:26 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  09/19/2026 at 08:00 AM PDT
# Maximum Observed Stage:                       56.89 Feet
# Maximum Observed Flow:                        153 cfs
#
# Earliest Date & Time of Maximum Forecast:     09/24/2026 at 05:00 AM PDT
# Maximum Forecast Stage:                       57.06 Feet
# Maximum Forecast Flow:                        169 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  09/14/2026 08 AM PDT           56.62            127                        Normal
  09/14/2026 09 AM PDT           56.60            125         -              Normal
  09/14/2026 10 AM PDT           56.58            123         -              Normal
  09/14/2026 11 AM PDT           56.57            122         -              Normal
  09/14/2026 12 PM PDT           56.57            122         0              Normal
  09/14/2026 01 PM PDT           56.56            121         -              Normal
  09/14/2026 02 PM PDT           56.54            120         -              Normal
  09/14/2026 03 PM PDT           56.54            120         0              Normal
  09/14/2026 04 PM PDT           56.53            119         -              Normal
  09/14/2026 05 PM PDT           56.51            117         -              Normal
  09/14/2026 06 PM PDT           56.60            125         +              Normal
  09/14/2026 07 PM PDT           56.61            126         +              Normal
  09/14/2026 08 PM PDT           56.60            125         -              Normal
  09/14/2026 09 PM PDT           56.58            123         -              Normal
  09/14/2026 10 PM PDT           56.57            122         -              Normal
  09/14/2026 11 PM PDT           56.56            121         -              Normal
  09/15/2026 12 AM PDT           56.54            120         -              Normal
  09/15/2026 01 AM PDT           56.54            120         0              Normal
  09/15/2026 02 AM PDT           56.52            118         -              Normal
  09/15/2026 03 AM PDT           56.51            117         -              Normal
  09/15/2026 04 AM PDT           56.49            115         -              Normal
  09/15/2026 05 AM PDT           56.47            113         -              Normal
  09/15/2026 06 AM PDT           56.45            111         -              Normal
  09/15/2026 07 AM PDT           56.42            108         -              Normal
  09/15/2026 08 AM PDT           56.39            105         -              Normal
  09/15/2026 09 AM PDT           56.35            102         -              Normal
  09/15/2026 10 AM PDT           56.31             98         -              Normal
  09/15/2026 11 AM PDT           56.29             96         -              Normal
  09/15/2026 12 PM PDT           56.27             94         -              Normal
  09/15/2026 01 PM PDT           56.25             92         -              Normal
  09/15/2026 02 PM PDT           56.23             91         -              Normal
  09/15/2026 03 PM PDT           56.23             91         0              Normal
  09/15/2026 04 PM PDT           56.22             90         -              Normal
  09/15/2026 05 PM PDT           56.23             91         +              Normal
  09/15/2026 06 PM PDT           56.23             91         0              Normal
  09/15/2026 07 PM PDT           56.26             93         +              Normal
  09/15/2026 08 PM PDT           56.25             92         -              Normal
  09/15/2026 09 PM PDT           56.22             90         -              Normal
  09/15/2026 10 PM PDT           56.21             89         -              Normal
  09/15/2026 11 PM PDT           56.20             88         -              Normal
  09/16/2026 12 AM PDT           56.20             88         0              Normal
  09/16/2026 01 AM PDT           56.20             88         0              Normal
  09/16/2026 02 AM PDT           56.21             89         +              Normal
  09/16/2026 03 AM PDT           56.21             89         0              Normal
  09/16/2026 04 AM PDT           56.22             90         +              Normal
  09/16/2026 05 AM PDT           56.23             91         +              Normal
  09/16/2026 06 AM PDT           56.26             93         +              Normal
  09/16/2026 07 AM PDT           56.27             94         +              Normal
  09/16/2026 08 AM PDT           56.27             94         0              Normal
  09/16/2026 09 AM PDT           56.27             94         0              Normal
  09/16/2026 10 AM PDT           56.28             95         +              Normal
  09/16/2026 11 AM PDT           56.30             97         +              Normal
  09/16/2026 12 PM PDT           56.30             97         0              Normal
  09/16/2026 01 PM PDT           56.29             96         -              Normal
  09/16/2026 02 PM PDT           56.29             96         0              Normal
  09/16/2026 03 PM PDT           56.29             96         0              Normal
  09/16/2026 04 PM PDT           56.35            102         +              Normal
  09/16/2026 05 PM PDT           56.37            104         +              Normal
  09/16/2026 06 PM PDT           56.40            106         +              Normal
  09/16/2026 07 PM PDT           56.41            107         +              Normal
  09/16/2026 08 PM PDT           56.41            107         0              Normal
  09/16/2026 09 PM PDT           56.40            106         -              Normal
  09/16/2026 10 PM PDT           56.41            107         +              Normal
  09/16/2026 11 PM PDT           56.42            108         +              Normal
  09/17/2026 12 AM PDT           56.43            109         +              Normal
  09/17/2026 01 AM PDT           56.44            110         +              Normal
  09/17/2026 02 AM PDT           56.46            112         +              Normal
  09/17/2026 03 AM PDT           56.47            113         +              Normal
  09/17/2026 04 AM PDT           56.48            114         +              Normal
  09/17/2026 05 AM PDT           56.49            115         +              Normal
  09/17/2026 06 AM PDT           56.50            116         +              Normal
  09/17/2026 07 AM PDT           56.52            118         +              Normal
  09/17/2026 08 AM PDT           56.54            120         +              Normal
  09/17/2026 09 AM PDT           56.58            123         +              Normal
  09/17/2026 10 AM PDT           56.58            123         0              Normal
  09/17/2026 11 AM PDT           56.60            125         +              Normal
  09/17/2026 12 PM PDT           56.62            127         +              Normal
  09/17/2026 01 PM PDT           56.64            129         +              Normal
  09/17/2026 02 PM PDT           56.66            131         +              Normal
  09/17/2026 03 PM PDT           56.68            133         +              Normal
  09/17/2026 04 PM PDT           56.71            136         +              Normal
  09/17/2026 05 PM PDT           56.72            137         +              Normal
  09/17/2026 06 PM PDT           56.75            139         +              Normal
  09/17/2026 07 PM PDT           56.76            140         +              Normal
  09/17/2026 08 PM PDT           56.78            142         +              Normal
  09/17/2026 09 PM PDT           56.79            143         +              Normal
  09/17/2026 10 PM PDT           56.80            144         +              Normal
  09/17/2026 11 PM PDT           56.81            145         +              Normal
  09/18/2026 12 AM PDT           56.82            146         +              Normal
  09/18/2026 01 AM PDT           56.82            146         0              Normal
  09/18/2026 02 AM PDT           56.82            146         0              Normal
  09/18/2026 03 AM PDT           56.83            147         +              Normal
  09/18/2026 04 AM PDT           56.82            146         -              Normal
  09/18/2026 05 AM PDT           56.83            147         +              Normal
  09/18/2026 06 AM PDT           56.82            146         -              Normal
  09/18/2026 07 AM PDT           56.83            147         +              Normal
  09/18/2026 08 AM PDT           56.83            147         0              Normal
  09/18/2026 09 AM PDT           56.83            147         0              Normal
  09/18/2026 10 AM PDT           56.82            146         -              Normal
  09/18/2026 11 AM PDT           56.82            146         0              Normal
  09/18/2026 12 PM PDT           56.81            145         -              Normal
  09/18/2026 01 PM PDT           56.79            143         -              Normal
  09/18/2026 02 PM PDT           56.78            142         -              Normal
  09/18/2026 03 PM PDT           56.77            141         -              Normal
  09/18/2026 04 PM PDT           56.76            140         -              Normal
  09/18/2026 05 PM PDT           56.75            139         -              Normal
  09/18/2026 06 PM PDT           56.81            145         +              Normal
  09/18/2026 07 PM PDT           56.84            148         +              Normal
  09/18/2026 08 PM PDT           56.85            149         +              Normal
  09/18/2026 09 PM PDT           56.86            150         +              Normal
  09/18/2026 10 PM PDT           56.87            151         +              Normal
  09/18/2026 11 PM PDT           56.86            150         -              Normal
  09/19/2026 12 AM PDT           56.86            150         0              Normal
  09/19/2026 01 AM PDT           56.87            151         +              Normal
  09/19/2026 02 AM PDT           56.87            151         0              Normal
  09/19/2026 03 AM PDT           56.87            151         0              Normal
  09/19/2026 04 AM PDT           56.88            152         +              Normal
  09/19/2026 05 AM PDT           56.88            152         0              Normal
  09/19/2026 06 AM PDT           56.88            152         0              Normal
  09/19/2026 07 AM PDT           56.89            153         +              Normal
  09/19/2026 08 AM PDT           56.89            153         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  09/19/2026 09 AM PDT           56.90            154                        Normal
  09/19/2026 10 AM PDT           56.91            155         +              Normal
  09/19/2026 11 AM PDT           56.92            156         +              Normal
  09/19/2026 12 PM PDT           56.93            157         +              Normal
  09/19/2026 01 PM PDT           56.94            158         +              Normal
  09/19/2026 02 PM PDT           56.95            159         +              Normal
  09/19/2026 03 PM PDT           56.95            159         0              Normal
  09/19/2026 04 PM PDT           56.96            160         +              Normal
  09/19/2026 05 PM PDT           56.97            161         +              Normal
  09/19/2026 06 PM PDT           56.97            161         0              Normal
  09/19/2026 07 PM PDT           56.98            162         +              Normal
  09/19/2026 08 PM PDT           56.98            162         0              Normal
  09/19/2026 09 PM PDT           56.99            163         +              Normal
  09/19/2026 10 PM PDT           57.00            163         +              Normal
  09/19/2026 11 PM PDT           57.01            164         +              Normal
  09/20/2026 12 AM PDT           57.01            164         0              Normal
  09/20/2026 01 AM PDT           57.01            164         0              Normal
  09/20/2026 02 AM PDT           57.01            164         0              Normal
  09/20/2026 03 AM PDT           57.02            165         +              Normal
  09/20/2026 04 AM PDT           57.02            165         0              Normal
  09/20/2026 05 AM PDT           57.02            165         0              Normal
  09/20/2026 06 AM PDT           57.02            165         0              Normal
  09/20/2026 07 AM PDT           57.02            165         0              Normal
  09/20/2026 08 AM PDT           57.02            165         0              Normal
  09/20/2026 09 AM PDT           57.02            165         0              Normal
  09/20/2026 10 AM PDT           57.02            165         0              Normal
  09/20/2026 11 AM PDT           57.02            165         0              Normal
  09/20/2026 12 PM PDT           57.03            166         +              Normal
  09/20/2026 01 PM PDT           57.03            166         0              Normal
  09/20/2026 02 PM PDT           57.03            166         0              Normal
  09/20/2026 03 PM PDT           57.03            166         0              Normal
  09/20/2026 04 PM PDT           57.03            166         0              Normal
  09/20/2026 05 PM PDT           57.03            166         0              Normal
  09/20/2026 06 PM PDT           57.03            166         0              Normal
  09/20/2026 07 PM PDT           57.03            166         0              Normal
  09/20/2026 08 PM PDT           57.03            166         0              Normal
  09/20/2026 09 PM PDT           57.03            166         0              Normal
  09/20/2026 10 PM PDT           57.03            166         0              Normal
  09/20/2026 11 PM PDT           57.03            166         0              Normal
  09/21/2026 12 AM PDT           57.03            166         0              Normal
  09/21/2026 01 AM PDT           57.03            166         0              Normal
  09/21/2026 02 AM PDT           57.03            166         0              Normal
  09/21/2026 03 AM PDT           57.03            166         0              Normal
  09/21/2026 04 AM PDT           57.03            166         0              Normal
  09/21/2026 05 AM PDT           57.03            166         0              Normal
  09/21/2026 06 AM PDT           57.03            166         0              Normal
  09/21/2026 07 AM PDT           57.03            166         0              Normal
  09/21/2026 08 AM PDT           57.03            166         0              Normal
  09/21/2026 09 AM PDT           57.03            166         0              Normal
  09/21/2026 10 AM PDT           57.03            166         0              Normal
  09/21/2026 11 AM PDT           57.03            166         0              Normal
  09/21/2026 12 PM PDT           57.03            166         0              Normal
  09/21/2026 01 PM PDT           57.03            166         0              Normal
  09/21/2026 02 PM PDT           57.03            166         0              Normal
  09/21/2026 03 PM PDT           57.04            167         +              Normal
  09/21/2026 04 PM PDT           57.04            167         0              Normal
  09/21/2026 05 PM PDT           57.04            167         0              Normal
  09/21/2026 06 PM PDT           57.04            167         0              Normal
  09/21/2026 07 PM PDT           57.04            167         0              Normal
  09/21/2026 08 PM PDT           57.04            167         0              Normal
  09/21/2026 09 PM PDT           57.04            167         0              Normal
  09/21/2026 10 PM PDT           57.04            167         0              Normal
  09/21/2026 11 PM PDT           57.04            167         0              Normal
  09/22/2026 12 AM PDT           57.04            167         0              Normal
  09/22/2026 01 AM PDT           57.04            167         0              Normal
  09/22/2026 02 AM PDT           57.04            167         0              Normal
  09/22/2026 03 AM PDT           57.04            167         0              Normal
  09/22/2026 04 AM PDT           57.04            167         0              Normal
  09/22/2026 05 AM PDT           57.04            167         0              Normal
  09/22/2026 06 AM PDT           57.04            167         0              Normal
  09/22/2026 07 AM PDT           57.04            167         0              Normal
  09/22/2026 08 AM PDT           57.04            167         0              Normal
  09/22/2026 09 AM PDT           57.04            167         0              Normal
  09/22/2026 10 AM PDT           57.04            167         0              Normal
  09/22/2026 11 AM PDT           57.04            167         0              Normal
  09/22/2026 12 PM PDT           57.04            167         0              Normal
  09/22/2026 01 PM PDT           57.04            167         0              Normal
  09/22/2026 02 PM PDT           57.04            167         0              Normal
  09/22/2026 03 PM PDT           57.04            167         0              Normal
  09/22/2026 04 PM PDT           57.04            167         0              Normal
  09/22/2026 05 PM PDT           57.04            167         0              Normal
  09/22/2026 06 PM PDT           57.04            167         0              Normal
  09/22/2026 07 PM PDT           57.04            167         0              Normal
  09/22/2026 08 PM PDT           57.04            167         0              Normal
  09/22/2026 09 PM PDT           57.05            168         +              Normal
  09/22/2026 10 PM PDT           57.05            168         0              Normal
  09/22/2026 11 PM PDT           57.05            168         0              Normal
  09/23/2026 12 AM PDT           57.05            168         0              Normal
  09/23/2026 01 AM PDT           57.05            168         0              Normal
  09/23/2026 02 AM PDT           57.05            168         0              Normal
  09/23/2026 03 AM PDT           57.05            168         0              Normal
  09/23/2026 04 AM PDT           57.05            168         0              Normal
  09/23/2026 05 AM PDT           57.05            168         0              Normal
  09/23/2026 06 AM PDT           57.05            168         0              Normal
  09/23/2026 07 AM PDT           57.05            168         0              Normal
  09/23/2026 08 AM PDT           57.05            168         0              Normal
  09/23/2026 09 AM PDT           57.05            168         0              Normal
  09/23/2026 10 AM PDT           57.05            168         0              Normal
  09/23/2026 11 AM PDT           57.05            168         0              Normal
  09/23/2026 12 PM PDT           57.05            168         0              Normal
  09/23/2026 01 PM PDT           57.05            168         0              Normal
  09/23/2026 02 PM PDT           57.05            168         0              Normal
  09/23/2026 03 PM PDT           57.05            168         0              Normal
  09/23/2026 04 PM PDT           57.05            168         0              Normal
  09/23/2026 05 PM PDT           57.05            168         0              Normal
  09/23/2026 06 PM PDT           57.05            168         0              Normal
  09/23/2026 07 PM PDT           57.05            168         0              Normal
  09/23/2026 08 PM PDT           57.05            168         0              Normal
  09/23/2026 09 PM PDT           57.05            168         0              Normal
  09/23/2026 10 PM PDT           57.05            168         0              Normal
  09/23/2026 11 PM PDT           57.05            168         0              Normal
  09/24/2026 12 AM PDT           57.05            168         0              Normal
  09/24/2026 01 AM PDT           57.05            168         0              Normal
  09/24/2026 02 AM PDT           57.05            168         0              Normal
  09/24/2026 03 AM PDT           57.05            168         0              Normal
  09/24/2026 04 AM PDT           57.05            168         0              Normal
  09/24/2026 05 AM PDT           57.06            169         +              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.