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: Oct 22 2026 at 8:13 AM PDTNext Issuance: Oct 23 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:  10/22/2026 at 08:13 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  10/19/2026 at 07:00 AM PDT
# Maximum Observed Stage:                       57.11 Feet
# Maximum Observed Flow:                        174 cfs
#
# Earliest Date & Time of Maximum Forecast:     10/27/2026 at 01:00 AM PDT
# Maximum Forecast Stage:                       59.66 Feet
# Maximum Forecast Flow:                        718 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  10/17/2026 08 AM PDT           56.90            154                        Normal
  10/17/2026 09 AM PDT           56.91            155         +              Normal
  10/17/2026 10 AM PDT           56.92            156         +              Normal
  10/17/2026 11 AM PDT           56.92            156         0              Normal
  10/17/2026 12 PM PDT           56.92            156         0              Normal
  10/17/2026 01 PM PDT           56.92            156         0              Normal
  10/17/2026 02 PM PDT           56.93            157         +              Normal
  10/17/2026 03 PM PDT           56.93            157         0              Normal
  10/17/2026 04 PM PDT           56.92            156         -              Normal
  10/17/2026 05 PM PDT           56.91            155         -              Normal
  10/17/2026 06 PM PDT           56.92            156         +              Normal
  10/17/2026 07 PM PDT           56.92            156         0              Normal
  10/17/2026 08 PM PDT           56.93            157         +              Normal
  10/17/2026 09 PM PDT           56.94            158         +              Normal
  10/17/2026 10 PM PDT           56.95            159         +              Normal
  10/17/2026 11 PM PDT           56.96            160         +              Normal
  10/18/2026 12 AM PDT           56.96            160         0              Normal
  10/18/2026 01 AM PDT           56.97            161         +              Normal
  10/18/2026 02 AM PDT           56.97            161         0              Normal
  10/18/2026 03 AM PDT           56.98            162         +              Normal
  10/18/2026 04 AM PDT           57.03            166         +              Normal
  10/18/2026 05 AM PDT           57.03            166         0              Normal
  10/18/2026 06 AM PDT           57.00            163         -              Normal
  10/18/2026 07 AM PDT           57.00            163         0              Normal
  10/18/2026 08 AM PDT           56.98            162         -              Normal
  10/18/2026 09 AM PDT           56.98            162         0              Normal
  10/18/2026 10 AM PDT           56.98            162         0              Normal
  10/18/2026 11 AM PDT           56.97            161         -              Normal
  10/18/2026 12 PM PDT           56.97            161         0              Normal
  10/18/2026 01 PM PDT           56.97            161         0              Normal
  10/18/2026 02 PM PDT           56.97            161         0              Normal
  10/18/2026 03 PM PDT           56.97            161         0              Normal
  10/18/2026 04 PM PDT           56.97            161         0              Normal
  10/18/2026 05 PM PDT           56.97            161         0              Normal
  10/18/2026 06 PM PDT           56.97            161         0              Normal
  10/18/2026 07 PM PDT           56.98            162         +              Normal
  10/18/2026 08 PM PDT           56.98            162         0              Normal
  10/18/2026 09 PM PDT           57.00            163         +              Normal
  10/18/2026 10 PM PDT           57.02            165         +              Normal
  10/18/2026 11 PM PDT           57.03            166         +              Normal
  10/19/2026 12 AM PDT           57.07            170         +              Normal
  10/19/2026 01 AM PDT           57.07            170         0              Normal
  10/19/2026 02 AM PDT           57.08            171         +              Normal
  10/19/2026 03 AM PDT           57.08            171         0              Normal
  10/19/2026 04 AM PDT           57.09            172         +              Normal
  10/19/2026 05 AM PDT           57.09            172         0              Normal
  10/19/2026 06 AM PDT           57.11            174         +              Normal
  10/19/2026 07 AM PDT           57.11            174         0              Normal
  10/19/2026 08 AM PDT           57.09            172         -              Normal
  10/19/2026 09 AM PDT           57.08            171         -              Normal
  10/19/2026 10 AM PDT           57.07            170         -              Normal
  10/19/2026 11 AM PDT           57.06            169         -              Normal
  10/19/2026 12 PM PDT           57.05            168         -              Normal
  10/19/2026 01 PM PDT           57.04            167         -              Normal
  10/19/2026 02 PM PDT           57.03            166         -              Normal
  10/19/2026 03 PM PDT           57.02            165         -              Normal
  10/19/2026 04 PM PDT           57.02            165         0              Normal
  10/19/2026 05 PM PDT           57.04            167         +              Normal
  10/19/2026 06 PM PDT           57.03            166         -              Normal
  10/19/2026 07 PM PDT           57.02            165         -              Normal
  10/19/2026 08 PM PDT           57.02            165         0              Normal
  10/19/2026 09 PM PDT           57.02            165         0              Normal
  10/19/2026 10 PM PDT           57.02            165         0              Normal
  10/19/2026 11 PM PDT           57.01            164         -              Normal
  10/20/2026 12 AM PDT           57.02            165         +              Normal
  10/20/2026 01 AM PDT           57.01            164         -              Normal
  10/20/2026 02 AM PDT           57.01            164         0              Normal
  10/20/2026 03 AM PDT           57.01            164         0              Normal
  10/20/2026 04 AM PDT           57.01            164         0              Normal
  10/20/2026 05 AM PDT           57.01            164         0              Normal
  10/20/2026 06 AM PDT           57.02            165         +              Normal
  10/20/2026 07 AM PDT           57.04            167         +              Normal
  10/20/2026 08 AM PDT           57.04            167         0              Normal
  10/20/2026 09 AM PDT           57.03            166         -              Normal
  10/20/2026 10 AM PDT           57.04            167         +              Normal
  10/20/2026 11 AM PDT           57.03            166         -              Normal
  10/20/2026 12 PM PDT           57.01            164         -              Normal
  10/20/2026 01 PM PDT           57.00            163         -              Normal
  10/20/2026 02 PM PDT           56.97            161         -              Normal
  10/20/2026 03 PM PDT           56.95            159         -              Normal
  10/20/2026 04 PM PDT           56.94            158         -              Normal
  10/20/2026 05 PM PDT           56.92            156         -              Normal
  10/20/2026 06 PM PDT           56.91            155         -              Normal
  10/20/2026 07 PM PDT           56.90            154         -              Normal
  10/20/2026 08 PM PDT           56.90            154         0              Normal
  10/20/2026 09 PM PDT           56.90            154         0              Normal
  10/20/2026 10 PM PDT           56.90            154         0              Normal
  10/20/2026 11 PM PDT           56.91            155         +              Normal
  10/21/2026 12 AM PDT           56.91            155         0              Normal
  10/21/2026 01 AM PDT           56.92            156         +              Normal
  10/21/2026 02 AM PDT           56.92            156         0              Normal
  10/21/2026 03 AM PDT           56.92            156         0              Normal
  10/21/2026 04 AM PDT           56.93            157         +              Normal
  10/21/2026 05 AM PDT           56.94            158         +              Normal
  10/21/2026 06 AM PDT           56.94            158         0              Normal
  10/21/2026 07 AM PDT           56.95            159         +              Normal
  10/21/2026 08 AM PDT           56.95            159         0              Normal
  10/21/2026 09 AM PDT           56.95            159         0              Normal
  10/21/2026 10 AM PDT           56.97            161         +              Normal
  10/21/2026 11 AM PDT           57.00            163         +              Normal
  10/21/2026 12 PM PDT           57.01            164         +              Normal
  10/21/2026 01 PM PDT           57.01            164         0              Normal
  10/21/2026 02 PM PDT           57.01            164         0              Normal
  10/21/2026 03 PM PDT           57.02            165         +              Normal
  10/21/2026 04 PM PDT           57.02            165         0              Normal
  10/21/2026 05 PM PDT           57.02            165         0              Normal
  10/21/2026 06 PM PDT           57.01            164         -              Normal
  10/21/2026 07 PM PDT           57.02            165         +              Normal
  10/21/2026 08 PM PDT           57.03            166         +              Normal
  10/21/2026 09 PM PDT           57.03            166         0              Normal
  10/21/2026 10 PM PDT           57.03            166         0              Normal
  10/21/2026 11 PM PDT           57.03            166         0              Normal
  10/22/2026 12 AM PDT           57.03            166         0              Normal
  10/22/2026 01 AM PDT           57.03            166         0              Normal
  10/22/2026 02 AM PDT           57.04            167         +              Normal
  10/22/2026 03 AM PDT           57.05            168         +              Normal
  10/22/2026 04 AM PDT           57.07            170         +              Normal
  10/22/2026 05 AM PDT           57.07            170         0              Normal
  10/22/2026 06 AM PDT           57.07            170         0              Normal
  10/22/2026 07 AM PDT           57.06            169         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  10/22/2026 08 AM PDT           57.06            169                        Normal
  10/22/2026 09 AM PDT           57.05            168         -              Normal
  10/22/2026 10 AM PDT           57.05            168         0              Normal
  10/22/2026 11 AM PDT           57.05            168         0              Normal
  10/22/2026 12 PM PDT           57.06            169         +              Normal
  10/22/2026 01 PM PDT           57.07            170         +              Normal
  10/22/2026 02 PM PDT           57.08            171         +              Normal
  10/22/2026 03 PM PDT           57.09            172         +              Normal
  10/22/2026 04 PM PDT           57.11            174         +              Normal
  10/22/2026 05 PM PDT           57.12            175         +              Normal
  10/22/2026 06 PM PDT           57.13            176         +              Normal
  10/22/2026 07 PM PDT           57.15            178         +              Normal
  10/22/2026 08 PM PDT           57.16            179         +              Normal
  10/22/2026 09 PM PDT           57.17            180         +              Normal
  10/22/2026 10 PM PDT           57.17            180         0              Normal
  10/22/2026 11 PM PDT           57.18            182         +              Normal
  10/23/2026 12 AM PDT           57.18            182         0              Normal
  10/23/2026 01 AM PDT           57.19            183         +              Normal
  10/23/2026 02 AM PDT           57.19            183         0              Normal
  10/23/2026 03 AM PDT           57.20            185         +              Normal
  10/23/2026 04 AM PDT           57.20            185         0              Normal
  10/23/2026 05 AM PDT           57.20            185         0              Normal
  10/23/2026 06 AM PDT           57.21            186         +              Normal
  10/23/2026 07 AM PDT           57.21            186         0              Normal
  10/23/2026 08 AM PDT           57.22            188         +              Normal
  10/23/2026 09 AM PDT           57.24            191         +              Normal
  10/23/2026 10 AM PDT           57.27            196         +              Normal
  10/23/2026 11 AM PDT           57.31            202         +              Normal
  10/23/2026 12 PM PDT           57.37            212         +              Normal
  10/23/2026 01 PM PDT           57.43            222         +              Normal
  10/23/2026 02 PM PDT           57.50            235         +              Normal
  10/23/2026 03 PM PDT           57.58            249         +              Normal
  10/23/2026 04 PM PDT           57.66            263         +              Normal
  10/23/2026 05 PM PDT           57.74            278         +              Normal
  10/23/2026 06 PM PDT           57.82            293         +              Normal
  10/23/2026 07 PM PDT           57.91            311         +              Normal
  10/23/2026 08 PM PDT           57.99            327         +              Normal
  10/23/2026 09 PM PDT           58.08            345         +              Normal
  10/23/2026 10 PM PDT           58.17            364         +              Normal
  10/23/2026 11 PM PDT           58.25            381         +              Normal
  10/24/2026 12 AM PDT           58.33            398         +              Normal
  10/24/2026 01 AM PDT           58.41            415         +              Normal
  10/24/2026 02 AM PDT           58.48            431         +              Normal
  10/24/2026 03 AM PDT           58.55            447         +              Normal
  10/24/2026 04 AM PDT           58.62            463         +              Normal
  10/24/2026 05 AM PDT           58.68            477         +              Normal
  10/24/2026 06 AM PDT           58.74            491         +              Normal
  10/24/2026 07 AM PDT           58.80            505         +              Normal
  10/24/2026 08 AM PDT           58.85            516         +              Normal
  10/24/2026 09 AM PDT           58.91            530         +              Normal
  10/24/2026 10 AM PDT           58.96            542         +              Normal
  10/24/2026 11 AM PDT           59.00            552         +              Normal
  10/24/2026 12 PM PDT           59.05            564         +              Normal
  10/24/2026 01 PM PDT           59.09            573         +              Normal
  10/24/2026 02 PM PDT           59.13            583         +              Normal
  10/24/2026 03 PM PDT           59.16            590         +              Normal
  10/24/2026 04 PM PDT           59.20            600         +              Normal
  10/24/2026 05 PM PDT           59.23            608         +              Normal
  10/24/2026 06 PM PDT           59.26            615         +              Normal
  10/24/2026 07 PM PDT           59.29            623         +              Normal
  10/24/2026 08 PM PDT           59.32            630         +              Normal
  10/24/2026 09 PM PDT           59.34            635         +              Normal
  10/24/2026 10 PM PDT           59.37            643         +              Normal
  10/24/2026 11 PM PDT           59.39            648         +              Normal
  10/25/2026 12 AM PDT           59.41            653         +              Normal
  10/25/2026 01 AM PDT           59.42            656         +              Normal
  10/25/2026 02 AM PDT           59.44            661         +              Normal
  10/25/2026 03 AM PDT           59.46            666         +              Normal
  10/25/2026 04 AM PDT           59.47            668         +              Normal
  10/25/2026 05 AM PDT           59.49            674         +              Normal
  10/25/2026 06 AM PDT           59.50            676         +              Normal
  10/25/2026 07 AM PDT           59.51            679         +              Normal
  10/25/2026 08 AM PDT           59.53            684         +              Normal
  10/25/2026 09 AM PDT           59.54            686         +              Normal
  10/25/2026 10 AM PDT           59.55            689         +              Normal
  10/25/2026 11 AM PDT           59.55            689         0              Normal
  10/25/2026 12 PM PDT           59.56            692         +              Normal
  10/25/2026 01 PM PDT           59.57            694         +              Normal
  10/25/2026 02 PM PDT           59.58            697         +              Normal
  10/25/2026 03 PM PDT           59.58            697         0              Normal
  10/25/2026 04 PM PDT           59.59            700         +              Normal
  10/25/2026 05 PM PDT           59.60            702         +              Normal
  10/25/2026 06 PM PDT           59.60            702         0              Normal
  10/25/2026 07 PM PDT           59.61            705         +              Normal
  10/25/2026 08 PM PDT           59.61            705         0              Normal
  10/25/2026 09 PM PDT           59.62            707         +              Normal
  10/25/2026 10 PM PDT           59.62            707         0              Normal
  10/25/2026 11 PM PDT           59.62            707         0              Normal
  10/26/2026 12 AM PDT           59.62            707         0              Normal
  10/26/2026 01 AM PDT           59.63            710         +              Normal
  10/26/2026 02 AM PDT           59.63            710         0              Normal
  10/26/2026 03 AM PDT           59.63            710         0              Normal
  10/26/2026 04 AM PDT           59.63            710         0              Normal
  10/26/2026 05 AM PDT           59.64            713         +              Normal
  10/26/2026 06 AM PDT           59.64            713         0              Normal
  10/26/2026 07 AM PDT           59.64            713         0              Normal
  10/26/2026 08 AM PDT           59.64            713         0              Normal
  10/26/2026 09 AM PDT           59.64            713         0              Normal
  10/26/2026 10 AM PDT           59.64            713         0              Normal
  10/26/2026 11 AM PDT           59.65            715         +              Normal
  10/26/2026 12 PM PDT           59.65            715         0              Normal
  10/26/2026 01 PM PDT           59.65            715         0              Normal
  10/26/2026 02 PM PDT           59.65            715         0              Normal
  10/26/2026 03 PM PDT           59.65            715         0              Normal
  10/26/2026 04 PM PDT           59.65            715         0              Normal
  10/26/2026 05 PM PDT           59.65            715         0              Normal
  10/26/2026 06 PM PDT           59.65            715         0              Normal
  10/26/2026 07 PM PDT           59.65            715         0              Normal
  10/26/2026 08 PM PDT           59.65            715         0              Normal
  10/26/2026 09 PM PDT           59.65            715         0              Normal
  10/26/2026 10 PM PDT           59.65            715         0              Normal
  10/26/2026 11 PM PDT           59.65            715         0              Normal
  10/27/2026 12 AM PDT           59.65            715         0              Normal
  10/27/2026 01 AM PDT           59.66            718         +              Normal
  10/27/2026 02 AM PDT           59.66            718         0              Normal
  10/27/2026 03 AM PDT           59.66            718         0              Normal
  10/27/2026 04 AM PDT           59.66            718         0              Normal
  10/27/2026 05 AM PDT           59.66            718         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.