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: Jul 23 2026 at 8:12 AM PDTNext Issuance: Jul 24 2026 at 9:00 AM PDT
Action/Monitor: 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:  07/23/2026 at 08:12 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  07/23/2026 at 08:00 AM PDT
# Maximum Observed Stage:                       57.85 Feet
# Maximum Observed Flow:                        299 cfs
#
# Earliest Date & Time of Maximum Forecast:     07/27/2026 at 10:00 AM PDT
# Maximum Forecast Stage:                       59.14 Feet
# Maximum Forecast Flow:                        585 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  07/18/2026 08 AM PDT           56.46            112                        Normal
  07/18/2026 09 AM PDT           56.45            111         -              Normal
  07/18/2026 10 AM PDT           56.46            112         +              Normal
  07/18/2026 11 AM PDT           56.45            111         -              Normal
  07/18/2026 12 PM PDT           56.45            111         0              Normal
  07/18/2026 01 PM PDT           56.45            111         0              Normal
  07/18/2026 02 PM PDT           56.45            111         0              Normal
  07/18/2026 03 PM PDT           56.47            113         +              Normal
  07/18/2026 04 PM PDT           56.49            115         +              Normal
  07/18/2026 05 PM PDT           56.50            116         +              Normal
  07/18/2026 06 PM PDT           56.52            118         +              Normal
  07/18/2026 07 PM PDT           56.53            119         +              Normal
  07/18/2026 08 PM PDT           56.54            120         +              Normal
  07/18/2026 09 PM PDT           56.56            121         +              Normal
  07/18/2026 10 PM PDT           56.58            123         +              Normal
  07/18/2026 11 PM PDT           56.60            125         +              Normal
  07/19/2026 12 AM PDT           56.62            127         +              Normal
  07/19/2026 01 AM PDT           56.64            129         +              Normal
  07/19/2026 02 AM PDT           56.66            131         +              Normal
  07/19/2026 03 AM PDT           56.70            135         +              Normal
  07/19/2026 04 AM PDT           56.69            134         -              Normal
  07/19/2026 05 AM PDT           56.72            137         +              Normal
  07/19/2026 06 AM PDT           56.76            140         +              Normal
  07/19/2026 07 AM PDT           56.80            144         +              Normal
  07/19/2026 08 AM PDT           56.80            144         0              Normal
  07/19/2026 09 AM PDT           56.80            144         0              Normal
  07/19/2026 10 AM PDT           56.80            144         0              Normal
  07/19/2026 11 AM PDT           56.82            146         +              Normal
  07/19/2026 12 PM PDT           56.84            148         +              Normal
  07/19/2026 01 PM PDT           56.85            149         +              Normal
  07/19/2026 02 PM PDT           56.86            150         +              Normal
  07/19/2026 03 PM PDT           56.86            150         0              Normal
  07/19/2026 04 PM PDT           56.87            151         +              Normal
  07/19/2026 05 PM PDT           56.90            154         +              Normal
  07/19/2026 06 PM PDT           56.93            157         +              Normal
  07/19/2026 07 PM PDT           56.95            159         +              Normal
  07/19/2026 08 PM PDT           56.96            160         +              Normal
  07/19/2026 09 PM PDT           57.00            163         +              Normal
  07/19/2026 10 PM PDT           57.02            165         +              Normal
  07/19/2026 11 PM PDT           57.02            165         0              Normal
  07/20/2026 12 AM PDT           57.02            165         0              Normal
  07/20/2026 01 AM PDT           57.05            168         +              Normal
  07/20/2026 02 AM PDT           57.07            170         +              Normal
  07/20/2026 03 AM PDT           57.07            170         0              Normal
  07/20/2026 04 AM PDT           57.08            171         +              Normal
  07/20/2026 05 AM PDT           57.09            172         +              Normal
  07/20/2026 06 AM PDT           57.09            172         0              Normal
  07/20/2026 07 AM PDT           57.08            171         -              Normal
  07/20/2026 08 AM PDT           57.04            167         -              Normal
  07/20/2026 09 AM PDT           57.02            165         -              Normal
  07/20/2026 10 AM PDT           57.02            165         0              Normal
  07/20/2026 11 AM PDT           57.03            166         +              Normal
  07/20/2026 12 PM PDT           57.05            168         +              Normal
  07/20/2026 01 PM PDT           57.07            170         +              Normal
  07/20/2026 02 PM PDT           57.08            171         +              Normal
  07/20/2026 03 PM PDT           57.07            170         -              Normal
  07/20/2026 04 PM PDT           57.04            167         -              Normal
  07/20/2026 05 PM PDT           57.02            165         -              Normal
  07/20/2026 06 PM PDT           57.00            163         -              Normal
  07/20/2026 07 PM PDT           56.98            162         -              Normal
  07/20/2026 08 PM PDT           56.95            159         -              Normal
  07/20/2026 09 PM PDT           56.93            157         -              Normal
  07/20/2026 10 PM PDT           56.90            154         -              Normal
  07/20/2026 11 PM PDT           56.87            151         -              Normal
  07/21/2026 12 AM PDT           56.86            150         -              Normal
  07/21/2026 01 AM PDT           56.84            148         -              Normal
  07/21/2026 02 AM PDT           56.83            147         -              Normal
  07/21/2026 03 AM PDT           56.82            146         -              Normal
  07/21/2026 04 AM PDT           56.81            145         -              Normal
  07/21/2026 05 AM PDT           56.80            144         -              Normal
  07/21/2026 06 AM PDT           56.80            144         0              Normal
  07/21/2026 07 AM PDT           56.77            141         -              Normal
  07/21/2026 08 AM PDT           56.76            140         -              Normal
  07/21/2026 09 AM PDT           56.75            139         -              Normal
  07/21/2026 10 AM PDT           56.73            138         -              Normal
  07/21/2026 11 AM PDT           56.71            136         -              Normal
  07/21/2026 12 PM PDT           56.70            135         -              Normal
  07/21/2026 01 PM PDT           56.69            134         -              Normal
  07/21/2026 02 PM PDT           56.67            132         -              Normal
  07/21/2026 03 PM PDT           56.65            130         -              Normal
  07/21/2026 04 PM PDT           56.59            124         -              Normal
  07/21/2026 05 PM PDT           56.54            120         -              Normal
  07/21/2026 06 PM PDT           56.51            117         -              Normal
  07/21/2026 07 PM PDT           56.48            114         -              Normal
  07/21/2026 08 PM PDT           56.45            111         -              Normal
  07/21/2026 09 PM PDT           56.44            110         -              Normal
  07/21/2026 10 PM PDT           56.44            110         0              Normal
  07/21/2026 11 PM PDT           56.44            110         0              Normal
  07/22/2026 12 AM PDT           56.43            109         -              Normal
  07/22/2026 01 AM PDT           56.43            109         0              Normal
  07/22/2026 02 AM PDT           56.42            108         -              Normal
  07/22/2026 03 AM PDT           56.42            108         0              Normal
  07/22/2026 04 AM PDT           56.41            107         -              Normal
  07/22/2026 05 AM PDT           56.40            106         -              Normal
  07/22/2026 06 AM PDT           56.39            105         -              Normal
  07/22/2026 07 AM PDT           56.39            105         0              Normal
  07/22/2026 08 AM PDT           56.46            112         +              Normal
  07/22/2026 09 AM PDT           56.45            111         -              Normal
  07/22/2026 10 AM PDT           56.44            110         -              Normal
  07/22/2026 11 AM PDT           56.41            107         -              Normal
  07/22/2026 12 PM PDT           56.36            103         -              Normal
  07/22/2026 01 PM PDT           56.32             99         -              Normal
  07/22/2026 02 PM PDT           56.30             97         -              Normal
  07/22/2026 03 PM PDT           56.30             97         0              Normal
  07/22/2026 04 PM PDT           56.31             98         +              Normal
  07/22/2026 05 PM PDT           56.34            101         +              Normal
  07/22/2026 06 PM PDT           56.40            106         +              Normal
  07/22/2026 07 PM PDT           56.47            113         +              Normal
  07/22/2026 08 PM PDT           56.54            120         +              Normal
  07/22/2026 09 PM PDT           56.68            133         +              Normal
  07/22/2026 10 PM PDT           56.82            146         +              Normal
  07/22/2026 11 PM PDT           56.93            157         +              Normal
  07/23/2026 12 AM PDT           57.05            168         +              Normal
  07/23/2026 01 AM PDT           57.18            182         +              Normal
  07/23/2026 02 AM PDT           57.26            194         +              Normal
  07/23/2026 03 AM PDT           57.36            211         +              Normal
  07/23/2026 04 AM PDT           57.48            231         +              Normal
  07/23/2026 05 AM PDT           57.59            251         +              Normal
  07/23/2026 06 AM PDT           57.69            269         +              Normal
  07/23/2026 07 AM PDT           57.77            284         +              Normal
  07/23/2026 08 AM PDT           57.85            299         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  07/23/2026 09 AM PDT           57.92            313                        Normal
  07/23/2026 10 AM PDT           57.99            327         +              Normal
  07/23/2026 11 AM PDT           58.06            341         +              Normal
  07/23/2026 12 PM PDT           58.12            353         +              Normal
  07/23/2026 01 PM PDT           58.19            368         +              Normal
  07/23/2026 02 PM PDT           58.25            381         +              Normal
  07/23/2026 03 PM PDT           58.30            391         +              Normal
  07/23/2026 04 PM PDT           58.36            404         +              Normal
  07/23/2026 05 PM PDT           58.41            415         +              Normal
  07/23/2026 06 PM PDT           58.46            427         +              Normal
  07/23/2026 07 PM PDT           58.50            436         +              Normal
  07/23/2026 08 PM PDT           58.55            447         +              Normal
  07/23/2026 09 PM PDT           58.59            456         +              Normal
  07/23/2026 10 PM PDT           58.62            463         +              Normal
  07/23/2026 11 PM PDT           58.66            473         +              Normal
  07/24/2026 12 AM PDT           58.69            480         +              Normal
  07/24/2026 01 AM PDT           58.73            489         +              Normal
  07/24/2026 02 AM PDT           58.76            495         +              Normal
  07/24/2026 03 AM PDT           58.79            502         +              Normal
  07/24/2026 04 AM PDT           58.81            507         +              Normal
  07/24/2026 05 AM PDT           58.84            514         +              Normal
  07/24/2026 06 AM PDT           58.86            519         +              Normal
  07/24/2026 07 AM PDT           58.88            523         +              Normal
  07/24/2026 08 AM PDT           58.90            528         +              Normal
  07/24/2026 09 AM PDT           58.92            533         +              Normal
  07/24/2026 10 AM PDT           58.94            537         +              Normal
  07/24/2026 11 AM PDT           58.95            540         +              Normal
  07/24/2026 12 PM PDT           58.97            544         +              Normal
  07/24/2026 01 PM PDT           58.98            547         +              Normal
  07/24/2026 02 PM PDT           58.99            549         +              Normal
  07/24/2026 03 PM PDT           59.00            552         +              Normal
  07/24/2026 04 PM PDT           59.02            556         +              Normal
  07/24/2026 05 PM PDT           59.02            556         0              Normal
  07/24/2026 06 PM PDT           59.03            559         +              Normal
  07/24/2026 07 PM PDT           59.04            561         +              Normal
  07/24/2026 08 PM PDT           59.05            564         +              Normal
  07/24/2026 09 PM PDT           59.05            564         0              Normal
  07/24/2026 10 PM PDT           59.06            566         +              Normal
  07/24/2026 11 PM PDT           59.07            568         +              Normal
  07/25/2026 12 AM PDT           59.07            568         0              Normal
  07/25/2026 01 AM PDT           59.08            571         +              Normal
  07/25/2026 02 AM PDT           59.08            571         0              Normal
  07/25/2026 03 AM PDT           59.09            573         +              Normal
  07/25/2026 04 AM PDT           59.09            573         0              Normal
  07/25/2026 05 AM PDT           59.09            573         0              Normal
  07/25/2026 06 AM PDT           59.10            576         +              Normal
  07/25/2026 07 AM PDT           59.10            576         0              Normal
  07/25/2026 08 AM PDT           59.10            576         0              Normal
  07/25/2026 09 AM PDT           59.10            576         0              Normal
  07/25/2026 10 AM PDT           59.11            578         +              Normal
  07/25/2026 11 AM PDT           59.11            578         0              Normal
  07/25/2026 12 PM PDT           59.11            578         0              Normal
  07/25/2026 01 PM PDT           59.11            578         0              Normal
  07/25/2026 02 PM PDT           59.11            578         0              Normal
  07/25/2026 03 PM PDT           59.11            578         0              Normal
  07/25/2026 04 PM PDT           59.12            581         +              Normal
  07/25/2026 05 PM PDT           59.12            581         0              Normal
  07/25/2026 06 PM PDT           59.12            581         0              Normal
  07/25/2026 07 PM PDT           59.12            581         0              Normal
  07/25/2026 08 PM PDT           59.12            581         0              Normal
  07/25/2026 09 PM PDT           59.12            581         0              Normal
  07/25/2026 10 PM PDT           59.12            581         0              Normal
  07/25/2026 11 PM PDT           59.12            581         0              Normal
  07/26/2026 12 AM PDT           59.12            581         0              Normal
  07/26/2026 01 AM PDT           59.12            581         0              Normal
  07/26/2026 02 AM PDT           59.12            581         0              Normal
  07/26/2026 03 AM PDT           59.12            581         0              Normal
  07/26/2026 04 AM PDT           59.12            581         0              Normal
  07/26/2026 05 AM PDT           59.13            583         +              Normal
  07/26/2026 06 AM PDT           59.13            583         0              Normal
  07/26/2026 07 AM PDT           59.13            583         0              Normal
  07/26/2026 08 AM PDT           59.13            583         0              Normal
  07/26/2026 09 AM PDT           59.13            583         0              Normal
  07/26/2026 10 AM PDT           59.13            583         0              Normal
  07/26/2026 11 AM PDT           59.13            583         0              Normal
  07/26/2026 12 PM PDT           59.13            583         0              Normal
  07/26/2026 01 PM PDT           59.13            583         0              Normal
  07/26/2026 02 PM PDT           59.13            583         0              Normal
  07/26/2026 03 PM PDT           59.13            583         0              Normal
  07/26/2026 04 PM PDT           59.13            583         0              Normal
  07/26/2026 05 PM PDT           59.13            583         0              Normal
  07/26/2026 06 PM PDT           59.13            583         0              Normal
  07/26/2026 07 PM PDT           59.13            583         0              Normal
  07/26/2026 08 PM PDT           59.13            583         0              Normal
  07/26/2026 09 PM PDT           59.13            583         0              Normal
  07/26/2026 10 PM PDT           59.13            583         0              Normal
  07/26/2026 11 PM PDT           59.13            583         0              Normal
  07/27/2026 12 AM PDT           59.13            583         0              Normal
  07/27/2026 01 AM PDT           59.13            583         0              Normal
  07/27/2026 02 AM PDT           59.13            583         0              Normal
  07/27/2026 03 AM PDT           59.13            583         0              Normal
  07/27/2026 04 AM PDT           59.13            583         0              Normal
  07/27/2026 05 AM PDT           59.13            583         0              Normal
  07/27/2026 06 AM PDT           59.13            583         0              Normal
  07/27/2026 07 AM PDT           59.13            583         0              Normal
  07/27/2026 08 AM PDT           59.13            583         0              Normal
  07/27/2026 09 AM PDT           59.13            583         0              Normal
  07/27/2026 10 AM PDT           59.14            585         +              Normal
  07/27/2026 11 AM PDT           59.14            585         0              Normal
  07/27/2026 12 PM PDT           59.14            585         0              Normal
  07/27/2026 01 PM PDT           59.14            585         0              Normal
  07/27/2026 02 PM PDT           59.14            585         0              Normal
  07/27/2026 03 PM PDT           59.14            585         0              Normal
  07/27/2026 04 PM PDT           59.14            585         0              Normal
  07/27/2026 05 PM PDT           59.14            585         0              Normal
  07/27/2026 06 PM PDT           59.14            585         0              Normal
  07/27/2026 07 PM PDT           59.14            585         0              Normal
  07/27/2026 08 PM PDT           59.14            585         0              Normal
  07/27/2026 09 PM PDT           59.14            585         0              Normal
  07/27/2026 10 PM PDT           59.14            585         0              Normal
  07/27/2026 11 PM PDT           59.14            585         0              Normal
  07/28/2026 12 AM PDT           59.14            585         0              Normal
  07/28/2026 01 AM PDT           59.14            585         0              Normal
  07/28/2026 02 AM PDT           59.14            585         0              Normal
  07/28/2026 03 AM PDT           59.14            585         0              Normal
  07/28/2026 04 AM PDT           59.14            585         0              Normal
  07/28/2026 05 AM PDT           59.14            585         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.