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: Aug 18 2026 at 7:11 AM PDTNext Issuance: Aug 19 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:  08/18/2026 at 07:11 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  08/16/2026 at 02:00 PM PDT
# Maximum Observed Stage:                       57.39 Feet
# Maximum Observed Flow:                        216 cfs
#
# Earliest Date & Time of Maximum Forecast:     08/18/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       56.99 Feet
# Maximum Forecast Flow:                        163 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  08/13/2026 07 AM PDT           57.16            179                        Normal
  08/13/2026 08 AM PDT           57.15            178         -              Normal
  08/13/2026 09 AM PDT           57.15            178         0              Normal
  08/13/2026 10 AM PDT           57.16            179         +              Normal
  08/13/2026 11 AM PDT           57.19            183         +              Normal
  08/13/2026 12 PM PDT           57.18            182         -              Normal
  08/13/2026 01 PM PDT           57.17            180         -              Normal
  08/13/2026 02 PM PDT           57.16            179         -              Normal
  08/13/2026 03 PM PDT           57.16            179         0              Normal
  08/13/2026 04 PM PDT           57.16            179         0              Normal
  08/13/2026 05 PM PDT           57.18            182         +              Normal
  08/13/2026 06 PM PDT           57.18            182         0              Normal
  08/13/2026 07 PM PDT           57.17            180         -              Normal
  08/13/2026 08 PM PDT           57.16            179         -              Normal
  08/13/2026 09 PM PDT           57.20            185         +              Normal
  08/13/2026 10 PM PDT           57.23            189         +              Normal
  08/13/2026 11 PM PDT           57.24            191         +              Normal
  08/14/2026 12 AM PDT           57.25            193         +              Normal
  08/14/2026 01 AM PDT           57.26            194         +              Normal
  08/14/2026 02 AM PDT           57.24            191         -              Normal
  08/14/2026 03 AM PDT           57.22            188         -              Normal
  08/14/2026 04 AM PDT           57.21            186         -              Normal
  08/14/2026 05 AM PDT           57.20            185         -              Normal
  08/14/2026 06 AM PDT           57.20            185         0              Normal
  08/14/2026 07 AM PDT           57.20            185         0              Normal
  08/14/2026 08 AM PDT           57.19            183         -              Normal
  08/14/2026 09 AM PDT           57.18            182         -              Normal
  08/14/2026 10 AM PDT           57.17            180         -              Normal
  08/14/2026 11 AM PDT           57.16            179         -              Normal
  08/14/2026 12 PM PDT           57.16            179         0              Normal
  08/14/2026 01 PM PDT           57.15            178         -              Normal
  08/14/2026 02 PM PDT           57.15            178         0              Normal
  08/14/2026 03 PM PDT           57.15            178         0              Normal
  08/14/2026 04 PM PDT           57.15            178         0              Normal
  08/14/2026 05 PM PDT           57.15            178         0              Normal
  08/14/2026 06 PM PDT           57.15            178         0              Normal
  08/14/2026 07 PM PDT           57.17            180         +              Normal
  08/14/2026 08 PM PDT           57.17            180         0              Normal
  08/14/2026 09 PM PDT           57.18            182         +              Normal
  08/14/2026 10 PM PDT           57.18            182         0              Normal
  08/14/2026 11 PM PDT           57.18            182         0              Normal
  08/15/2026 12 AM PDT           57.18            182         0              Normal
  08/15/2026 01 AM PDT           57.17            180         -              Normal
  08/15/2026 02 AM PDT           57.19            183         +              Normal
  08/15/2026 03 AM PDT           57.19            183         0              Normal
  08/15/2026 04 AM PDT           57.18            182         -              Normal
  08/15/2026 05 AM PDT           57.18            182         0              Normal
  08/15/2026 06 AM PDT           57.17            180         -              Normal
  08/15/2026 07 AM PDT           57.14            177         -              Normal
  08/15/2026 08 AM PDT           57.12            175         -              Normal
  08/15/2026 09 AM PDT           57.10            173         -              Normal
  08/15/2026 10 AM PDT           57.12            175         +              Normal
  08/15/2026 11 AM PDT           57.13            176         +              Normal
  08/15/2026 12 PM PDT           57.14            177         +              Normal
  08/15/2026 01 PM PDT           57.14            177         0              Normal
  08/15/2026 02 PM PDT           57.15            178         +              Normal
  08/15/2026 03 PM PDT           57.19            183         +              Normal
  08/15/2026 04 PM PDT           57.14            177         -              Normal
  08/15/2026 05 PM PDT           57.11            174         -              Normal
  08/15/2026 06 PM PDT           57.09            172         -              Normal
  08/15/2026 07 PM PDT           57.07            170         -              Normal
  08/15/2026 08 PM PDT           57.06            169         -              Normal
  08/15/2026 09 PM PDT           57.11            174         +              Normal
  08/15/2026 10 PM PDT           57.19            183         +              Normal
  08/15/2026 11 PM PDT           57.22            188         +              Normal
  08/16/2026 12 AM PDT           57.24            191         +              Normal
  08/16/2026 01 AM PDT           57.25            193         +              Normal
  08/16/2026 02 AM PDT           57.27            196         +              Normal
  08/16/2026 03 AM PDT           57.29            199         +              Normal
  08/16/2026 04 AM PDT           57.31            202         +              Normal
  08/16/2026 05 AM PDT           57.34            207         +              Normal
  08/16/2026 06 AM PDT           57.34            207         0              Normal
  08/16/2026 07 AM PDT           57.35            209         +              Normal
  08/16/2026 08 AM PDT           57.37            212         +              Normal
  08/16/2026 09 AM PDT           57.36            211         -              Normal
  08/16/2026 10 AM PDT           57.36            211         0              Normal
  08/16/2026 11 AM PDT           57.38            214         +              Normal
  08/16/2026 12 PM PDT           57.39            216         +              Normal
  08/16/2026 01 PM PDT           57.39            216         0              Normal
  08/16/2026 02 PM PDT           57.39            216         0              Normal
  08/16/2026 03 PM PDT           57.38            214         -              Normal
  08/16/2026 04 PM PDT           57.35            209         -              Normal
  08/16/2026 05 PM PDT           57.33            206         -              Normal
  08/16/2026 06 PM PDT           57.33            206         0              Normal
  08/16/2026 07 PM PDT           57.30            201         -              Normal
  08/16/2026 08 PM PDT           57.30            201         0              Normal
  08/16/2026 09 PM PDT           57.28            198         -              Normal
  08/16/2026 10 PM PDT           57.27            196         -              Normal
  08/16/2026 11 PM PDT           57.26            194         -              Normal
  08/17/2026 12 AM PDT           57.24            191         -              Normal
  08/17/2026 01 AM PDT           57.24            191         0              Normal
  08/17/2026 02 AM PDT           57.24            191         0              Normal
  08/17/2026 03 AM PDT           57.24            191         0              Normal
  08/17/2026 04 AM PDT           57.24            191         0              Normal
  08/17/2026 05 AM PDT           57.24            191         0              Normal
  08/17/2026 06 AM PDT           57.22            188         -              Normal
  08/17/2026 07 AM PDT           57.22            188         0              Normal
  08/17/2026 08 AM PDT           57.18            182         -              Normal
  08/17/2026 09 AM PDT           57.14            177         -              Normal
  08/17/2026 10 AM PDT           57.12            175         -              Normal
  08/17/2026 11 AM PDT           57.11            174         -              Normal
  08/17/2026 12 PM PDT           57.10            173         -              Normal
  08/17/2026 01 PM PDT           57.10            173         0              Normal
  08/17/2026 02 PM PDT           57.11            174         +              Normal
  08/17/2026 03 PM PDT           57.11            174         0              Normal
  08/17/2026 04 PM PDT           57.12            175         +              Normal
  08/17/2026 05 PM PDT           57.12            175         0              Normal
  08/17/2026 06 PM PDT           57.11            174         -              Normal
  08/17/2026 07 PM PDT           57.10            173         -              Normal
  08/17/2026 08 PM PDT           57.09            172         -              Normal
  08/17/2026 09 PM PDT           57.08            171         -              Normal
  08/17/2026 10 PM PDT           57.07            170         -              Normal
  08/17/2026 11 PM PDT           57.06            169         -              Normal
  08/18/2026 12 AM PDT           57.06            169         0              Normal
  08/18/2026 01 AM PDT           57.06            169         0              Normal
  08/18/2026 02 AM PDT           57.06            169         0              Normal
  08/18/2026 03 AM PDT           57.05            168         -              Normal
  08/18/2026 04 AM PDT           57.04            167         -              Normal
  08/18/2026 05 AM PDT           57.03            166         -              Normal
  08/18/2026 06 AM PDT           57.01            164         -              Normal
  08/18/2026 07 AM PDT           57.00            163         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  08/18/2026 08 AM PDT           56.99            163                        Normal
  08/18/2026 09 AM PDT           56.98            162         -              Normal
  08/18/2026 10 AM PDT           56.98            162         0              Normal
  08/18/2026 11 AM PDT           56.97            161         -              Normal
  08/18/2026 12 PM PDT           56.96            160         -              Normal
  08/18/2026 01 PM PDT           56.96            160         0              Normal
  08/18/2026 02 PM PDT           56.95            159         -              Normal
  08/18/2026 03 PM PDT           56.95            159         0              Normal
  08/18/2026 04 PM PDT           56.94            158         -              Normal
  08/18/2026 05 PM PDT           56.94            158         0              Normal
  08/18/2026 06 PM PDT           56.93            157         -              Normal
  08/18/2026 07 PM PDT           56.93            157         0              Normal
  08/18/2026 08 PM PDT           56.92            156         -              Normal
  08/18/2026 09 PM PDT           56.92            156         0              Normal
  08/18/2026 10 PM PDT           56.91            155         -              Normal
  08/18/2026 11 PM PDT           56.91            155         0              Normal
  08/19/2026 12 AM PDT           56.91            155         0              Normal
  08/19/2026 01 AM PDT           56.90            154         -              Normal
  08/19/2026 02 AM PDT           56.90            154         0              Normal
  08/19/2026 03 AM PDT           56.90            154         0              Normal
  08/19/2026 04 AM PDT           56.89            153         -              Normal
  08/19/2026 05 AM PDT           56.89            153         0              Normal
  08/19/2026 06 AM PDT           56.89            153         0              Normal
  08/19/2026 07 AM PDT           56.88            152         -              Normal
  08/19/2026 08 AM PDT           56.88            152         0              Normal
  08/19/2026 09 AM PDT           56.88            152         0              Normal
  08/19/2026 10 AM PDT           56.88            152         0              Normal
  08/19/2026 11 AM PDT           56.88            152         0              Normal
  08/19/2026 12 PM PDT           56.87            151         -              Normal
  08/19/2026 01 PM PDT           56.87            151         0              Normal
  08/19/2026 02 PM PDT           56.87            151         0              Normal
  08/19/2026 03 PM PDT           56.87            151         0              Normal
  08/19/2026 04 PM PDT           56.87            151         0              Normal
  08/19/2026 05 PM PDT           56.87            151         0              Normal
  08/19/2026 06 PM PDT           56.87            151         0              Normal
  08/19/2026 07 PM PDT           56.87            151         0              Normal
  08/19/2026 08 PM PDT           56.87            151         0              Normal
  08/19/2026 09 PM PDT           56.87            151         0              Normal
  08/19/2026 10 PM PDT           56.86            150         -              Normal
  08/19/2026 11 PM PDT           56.86            150         0              Normal
  08/20/2026 12 AM PDT           56.86            150         0              Normal
  08/20/2026 01 AM PDT           56.86            150         0              Normal
  08/20/2026 02 AM PDT           56.86            150         0              Normal
  08/20/2026 03 AM PDT           56.86            150         0              Normal
  08/20/2026 04 AM PDT           56.86            150         0              Normal
  08/20/2026 05 AM PDT           56.86            150         0              Normal
  08/20/2026 06 AM PDT           56.86            150         0              Normal
  08/20/2026 07 AM PDT           56.86            150         0              Normal
  08/20/2026 08 AM PDT           56.86            150         0              Normal
  08/20/2026 09 AM PDT           56.86            150         0              Normal
  08/20/2026 10 AM PDT           56.86            150         0              Normal
  08/20/2026 11 AM PDT           56.86            150         0              Normal
  08/20/2026 12 PM PDT           56.86            150         0              Normal
  08/20/2026 01 PM PDT           56.86            150         0              Normal
  08/20/2026 02 PM PDT           56.86            150         0              Normal
  08/20/2026 03 PM PDT           56.86            150         0              Normal
  08/20/2026 04 PM PDT           56.86            150         0              Normal
  08/20/2026 05 PM PDT           56.86            150         0              Normal
  08/20/2026 06 PM PDT           56.86            150         0              Normal
  08/20/2026 07 PM PDT           56.86            150         0              Normal
  08/20/2026 08 PM PDT           56.86            150         0              Normal
  08/20/2026 09 PM PDT           56.86            150         0              Normal
  08/20/2026 10 PM PDT           56.86            150         0              Normal
  08/20/2026 11 PM PDT           56.86            150         0              Normal
  08/21/2026 12 AM PDT           56.86            150         0              Normal
  08/21/2026 01 AM PDT           56.86            150         0              Normal
  08/21/2026 02 AM PDT           56.86            150         0              Normal
  08/21/2026 03 AM PDT           56.86            150         0              Normal
  08/21/2026 04 AM PDT           56.86            150         0              Normal
  08/21/2026 05 AM PDT           56.86            150         0              Normal
  08/21/2026 06 AM PDT           56.86            150         0              Normal
  08/21/2026 07 AM PDT           56.86            150         0              Normal
  08/21/2026 08 AM PDT           56.86            150         0              Normal
  08/21/2026 09 AM PDT           56.86            150         0              Normal
  08/21/2026 10 AM PDT           56.86            150         0              Normal
  08/21/2026 11 AM PDT           56.86            150         0              Normal
  08/21/2026 12 PM PDT           56.86            150         0              Normal
  08/21/2026 01 PM PDT           56.86            150         0              Normal
  08/21/2026 02 PM PDT           56.86            150         0              Normal
  08/21/2026 03 PM PDT           56.86            150         0              Normal
  08/21/2026 04 PM PDT           56.86            150         0              Normal
  08/21/2026 05 PM PDT           56.86            150         0              Normal
  08/21/2026 06 PM PDT           56.86            150         0              Normal
  08/21/2026 07 PM PDT           56.86            150         0              Normal
  08/21/2026 08 PM PDT           56.86            150         0              Normal
  08/21/2026 09 PM PDT           56.86            150         0              Normal
  08/21/2026 10 PM PDT           56.86            150         0              Normal
  08/21/2026 11 PM PDT           56.86            150         0              Normal
  08/22/2026 12 AM PDT           56.86            150         0              Normal
  08/22/2026 01 AM PDT           56.86            150         0              Normal
  08/22/2026 02 AM PDT           56.86            150         0              Normal
  08/22/2026 03 AM PDT           56.86            150         0              Normal
  08/22/2026 04 AM PDT           56.87            151         +              Normal
  08/22/2026 05 AM PDT           56.87            151         0              Normal
  08/22/2026 06 AM PDT           56.87            151         0              Normal
  08/22/2026 07 AM PDT           56.87            151         0              Normal
  08/22/2026 08 AM PDT           56.87            151         0              Normal
  08/22/2026 09 AM PDT           56.87            151         0              Normal
  08/22/2026 10 AM PDT           56.87            151         0              Normal
  08/22/2026 11 AM PDT           56.87            151         0              Normal
  08/22/2026 12 PM PDT           56.87            151         0              Normal
  08/22/2026 01 PM PDT           56.87            151         0              Normal
  08/22/2026 02 PM PDT           56.87            151         0              Normal
  08/22/2026 03 PM PDT           56.87            151         0              Normal
  08/22/2026 04 PM PDT           56.87            151         0              Normal
  08/22/2026 05 PM PDT           56.87            151         0              Normal
  08/22/2026 06 PM PDT           56.87            151         0              Normal
  08/22/2026 07 PM PDT           56.87            151         0              Normal
  08/22/2026 08 PM PDT           56.87            151         0              Normal
  08/22/2026 09 PM PDT           56.87            151         0              Normal
  08/22/2026 10 PM PDT           56.87            151         0              Normal
  08/22/2026 11 PM PDT           56.87            151         0              Normal
  08/23/2026 12 AM PDT           56.87            151         0              Normal
  08/23/2026 01 AM PDT           56.87            151         0              Normal
  08/23/2026 02 AM PDT           56.87            151         0              Normal
  08/23/2026 03 AM PDT           56.87            151         0              Normal
  08/23/2026 04 AM PDT           56.87            151         0              Normal
  08/23/2026 05 AM PDT           56.87            151         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.