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

 | 

SAN JOAQUIN RIVER - STEVINSON (SSTC1)
Latitude: 37.29º NLongitude: 120.85º WElevation: 82 FeetForecast Type: Unofficial Location
Location: Merced County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Oct 31 2026 at 8:37 AM PDTNext Issuance: Nov 01 2026 at 9:00 AM PST
Action: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A


# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Joaquin River - Stevinson (SSTC1)
#
# File Generation Time:  10/31/2026 at 08:38 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  10/30/2026 at 08:00 PM PDT
# Maximum Observed Stage:                       61.98 Feet
# Maximum Observed Flow:                        87 cfs
#
# Earliest Date & Time of Maximum Forecast:     10/31/2026 at 03:00 PM PDT
# Maximum Forecast Stage:                       62.00 Feet
# Maximum Forecast Flow:                        88 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  10/26/2026 08 AM PDT           61.81             76                Not Applicable
  10/26/2026 09 AM PDT           61.81             76         0      Not Applicable
  10/26/2026 10 AM PDT           61.81             76         0      Not Applicable
  10/26/2026 11 AM PDT           61.81             76         0      Not Applicable
  10/26/2026 12 PM PDT           61.81             76         0      Not Applicable
  10/26/2026 01 PM PDT           61.81             76         0      Not Applicable
  10/26/2026 02 PM PDT           61.81             76         0      Not Applicable
  10/26/2026 03 PM PDT           61.79             75         -      Not Applicable
  10/26/2026 04 PM PDT           61.79             75         0      Not Applicable
  10/26/2026 05 PM PDT           61.79             75         0      Not Applicable
  10/26/2026 06 PM PDT           61.79             75         0      Not Applicable
  10/26/2026 07 PM PDT           61.79             75         0      Not Applicable
  10/26/2026 08 PM PDT           61.79             75         0      Not Applicable
  10/26/2026 09 PM PDT           61.79             75         0      Not Applicable
  10/26/2026 10 PM PDT           61.79             75         0      Not Applicable
  10/26/2026 11 PM PDT           61.79             75         0      Not Applicable
  10/27/2026 12 AM PDT           61.79             75         0      Not Applicable
  10/27/2026 01 AM PDT           61.79             75         0      Not Applicable
  10/27/2026 02 AM PDT           61.79             75         0      Not Applicable
  10/27/2026 03 AM PDT           61.77             74         -      Not Applicable
  10/27/2026 04 AM PDT           61.77             74         0      Not Applicable
  10/27/2026 05 AM PDT           61.77             74         0      Not Applicable
  10/27/2026 06 AM PDT           61.77             74         0      Not Applicable
  10/27/2026 07 AM PDT           61.76             73         -      Not Applicable
  10/27/2026 08 AM PDT           61.76             73         0      Not Applicable
  10/27/2026 09 AM PDT           61.76             73         0      Not Applicable
  10/27/2026 10 AM PDT           61.76             73         0      Not Applicable
  10/27/2026 11 AM PDT           61.76             73         0      Not Applicable
  10/27/2026 12 PM PDT           61.76             73         0      Not Applicable
  10/27/2026 01 PM PDT           61.76             73         0      Not Applicable
  10/27/2026 02 PM PDT           61.74             72         -      Not Applicable
  10/27/2026 03 PM PDT           61.76             73         +      Not Applicable
  10/27/2026 04 PM PDT           61.76             73         0      Not Applicable
  10/27/2026 05 PM PDT           61.76             73         0      Not Applicable
  10/27/2026 06 PM PDT           61.74             72         -      Not Applicable
  10/27/2026 07 PM PDT           61.74             72         0      Not Applicable
  10/27/2026 08 PM PDT           61.76             73         +      Not Applicable
  10/27/2026 09 PM PDT           61.76             73         0      Not Applicable
  10/27/2026 10 PM PDT           61.74             72         -      Not Applicable
  10/27/2026 11 PM PDT           61.76             73         +      Not Applicable
  10/28/2026 12 AM PDT           61.76             73         0      Not Applicable
  10/28/2026 01 AM PDT           61.76             73         0      Not Applicable
  10/28/2026 02 AM PDT           61.76             73         0      Not Applicable
  10/28/2026 03 AM PDT           61.76             73         0      Not Applicable
  10/28/2026 04 AM PDT           61.76             73         0      Not Applicable
  10/28/2026 05 AM PDT           61.76             73         0      Not Applicable
  10/28/2026 06 AM PDT           61.76             73         0      Not Applicable
  10/28/2026 07 AM PDT           61.77             74         +      Not Applicable
  10/28/2026 08 AM PDT           61.76             73         -      Not Applicable
  10/28/2026 09 AM PDT           61.76             73         0      Not Applicable
  10/28/2026 10 AM PDT           61.77             74         +      Not Applicable
  10/28/2026 11 AM PDT           61.77             74         0      Not Applicable
  10/28/2026 12 PM PDT           61.77             74         0      Not Applicable
  10/28/2026 01 PM PDT           61.77             74         0      Not Applicable
  10/28/2026 02 PM PDT           61.77             74         0      Not Applicable
  10/28/2026 03 PM PDT           61.79             75         +      Not Applicable
  10/28/2026 04 PM PDT           61.79             75         0      Not Applicable
  10/28/2026 05 PM PDT           61.79             75         0      Not Applicable
  10/28/2026 06 PM PDT           61.79             75         0      Not Applicable
  10/28/2026 07 PM PDT           61.79             75         0      Not Applicable
  10/28/2026 08 PM PDT           61.81             76         +      Not Applicable
  10/28/2026 09 PM PDT           61.81             76         0      Not Applicable
  10/28/2026 10 PM PDT           61.81             76         0      Not Applicable
  10/28/2026 11 PM PDT           61.82             77         +      Not Applicable
  10/29/2026 12 AM PDT           61.82             77         0      Not Applicable
  10/29/2026 01 AM PDT           61.82             77         0      Not Applicable
  10/29/2026 02 AM PDT           61.84             78         +      Not Applicable
  10/29/2026 03 AM PDT           61.84             78         0      Not Applicable
  10/29/2026 04 AM PDT           61.84             78         0      Not Applicable
  10/29/2026 05 AM PDT           61.84             78         0      Not Applicable
  10/29/2026 06 AM PDT           61.86             79         +      Not Applicable
  10/29/2026 07 AM PDT           61.86             79         0      Not Applicable
  10/29/2026 08 AM PDT           61.86             79         0      Not Applicable
  10/29/2026 09 AM PDT           61.86             79         0      Not Applicable
  10/29/2026 10 AM PDT           61.86             79         0      Not Applicable
  10/29/2026 11 AM PDT           61.86             79         0      Not Applicable
  10/29/2026 12 PM PDT           61.86             79         0      Not Applicable
  10/29/2026 01 PM PDT           61.87             80         +      Not Applicable
  10/29/2026 02 PM PDT           61.87             80         0      Not Applicable
  10/29/2026 03 PM PDT           61.87             80         0      Not Applicable
  10/29/2026 04 PM PDT           61.87             80         0      Not Applicable
  10/29/2026 05 PM PDT           61.87             80         0      Not Applicable
  10/29/2026 06 PM PDT           61.87             80         0      Not Applicable
  10/29/2026 07 PM PDT           61.88             81         +      Not Applicable
  10/29/2026 08 PM PDT           61.88             81         0      Not Applicable
  10/29/2026 09 PM PDT           61.89             81         +      Not Applicable
  10/29/2026 10 PM PDT           61.89             81         0      Not Applicable
  10/29/2026 11 PM PDT           61.89             81         0      Not Applicable
  10/30/2026 12 AM PDT           61.89             81         0      Not Applicable
  10/30/2026 01 AM PDT           61.89             81         0      Not Applicable
  10/30/2026 02 AM PDT           61.90             82         +      Not Applicable
  10/30/2026 03 AM PDT           61.90             82         0      Not Applicable
  10/30/2026 04 AM PDT           61.90             82         0      Not Applicable
  10/30/2026 05 AM PDT           61.92             83         +      Not Applicable
  10/30/2026 06 AM PDT           61.92             83         0      Not Applicable
  10/30/2026 07 AM PDT           61.92             83         0      Not Applicable
  10/30/2026 08 AM PDT           61.92             83         0      Not Applicable
  10/30/2026 09 AM PDT           61.92             83         0      Not Applicable
  10/30/2026 10 AM PDT           61.94             84         +      Not Applicable
  10/30/2026 11 AM PDT           61.94             84         0      Not Applicable
  10/30/2026 12 PM PDT           61.95             85         +      Not Applicable
  10/30/2026 01 PM PDT           61.95             85         0      Not Applicable
  10/30/2026 02 PM PDT           61.97             86         +      Not Applicable
  10/30/2026 03 PM PDT           61.97             86         0      Not Applicable
  10/30/2026 04 PM PDT           61.97             86         0      Not Applicable
  10/30/2026 05 PM PDT           61.97             86         0      Not Applicable
  10/30/2026 06 PM PDT           61.97             86         0      Not Applicable
  10/30/2026 07 PM PDT           61.98             87         +      Not Applicable
  10/30/2026 08 PM PDT           61.98             87         0      Not Applicable
  10/30/2026 09 PM PDT           61.97             86         -      Not Applicable
  10/30/2026 10 PM PDT           61.97             86         0      Not Applicable
  10/30/2026 11 PM PDT           61.97             86         0      Not Applicable
  10/31/2026 12 AM PDT           61.97             86         0      Not Applicable
  10/31/2026 01 AM PDT           61.97             86         0      Not Applicable
  10/31/2026 02 AM PDT           61.97             86         0      Not Applicable
  10/31/2026 03 AM PDT           61.97             86         0      Not Applicable
  10/31/2026 04 AM PDT           61.97             86         0      Not Applicable
  10/31/2026 05 AM PDT           61.97             86         0      Not Applicable
  10/31/2026 06 AM PDT           61.97             86         0      Not Applicable
  10/31/2026 07 AM PDT           61.97             86         0      Not Applicable
  10/31/2026 08 AM PDT           61.97             86         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  10/31/2026 09 AM PDT           61.98             87                Not Applicable
  10/31/2026 10 AM PDT           61.98             87         0      Not Applicable
  10/31/2026 11 AM PDT           61.98             87         0      Not Applicable
  10/31/2026 12 PM PDT           61.98             87         0      Not Applicable
  10/31/2026 01 PM PDT           61.98             87         0      Not Applicable
  10/31/2026 02 PM PDT           61.99             88         +      Not Applicable
  10/31/2026 03 PM PDT           62.00             88         +      Not Applicable
  10/31/2026 04 PM PDT           62.00             88         0      Not Applicable
  10/31/2026 05 PM PDT           62.00             88         0      Not Applicable
  10/31/2026 06 PM PDT           62.00             88         0      Not Applicable
  10/31/2026 07 PM PDT           62.00             88         0      Not Applicable
  10/31/2026 08 PM PDT           61.99             88         -      Not Applicable
  10/31/2026 09 PM PDT           61.99             88         0      Not Applicable
  10/31/2026 10 PM PDT           61.98             87         -      Not Applicable
  10/31/2026 11 PM PDT           61.98             87         0      Not Applicable
  11/01/2026 12 AM PDT           61.98             87         0      Not Applicable
  11/01/2026 01 AM PDT           61.97             86         -      Not Applicable
  11/01/2026 01 AM PST           61.97             86         0      Not Applicable
  11/01/2026 02 AM PST           61.96             86         -      Not Applicable
  11/01/2026 03 AM PST           61.96             86         0      Not Applicable
  11/01/2026 04 AM PST           61.95             85         -      Not Applicable
  11/01/2026 05 AM PST           61.95             85         0      Not Applicable
  11/01/2026 06 AM PST           61.95             85         0      Not Applicable
  11/01/2026 07 AM PST           61.95             85         0      Not Applicable
  11/01/2026 08 AM PST           61.94             84         -      Not Applicable
  11/01/2026 09 AM PST           61.94             84         0      Not Applicable
  11/01/2026 10 AM PST           61.93             84         -      Not Applicable
  11/01/2026 11 AM PST           61.93             84         0      Not Applicable
  11/01/2026 12 PM PST           61.92             83         -      Not Applicable
  11/01/2026 01 PM PST           61.92             83         0      Not Applicable
  11/01/2026 02 PM PST           61.92             83         0      Not Applicable
  11/01/2026 03 PM PST           61.91             83         -      Not Applicable
  11/01/2026 04 PM PST           61.91             83         0      Not Applicable
  11/01/2026 05 PM PST           61.91             83         0      Not Applicable
  11/01/2026 06 PM PST           61.90             82         -      Not Applicable
  11/01/2026 07 PM PST           61.90             82         0      Not Applicable
  11/01/2026 08 PM PST           61.90             82         0      Not Applicable
  11/01/2026 09 PM PST           61.90             82         0      Not Applicable
  11/01/2026 10 PM PST           61.90             82         0      Not Applicable
  11/01/2026 11 PM PST           61.90             82         0      Not Applicable
  11/02/2026 12 AM PST           61.90             82         0      Not Applicable
  11/02/2026 01 AM PST           61.89             81         -      Not Applicable
  11/02/2026 02 AM PST           61.89             81         0      Not Applicable
  11/02/2026 03 AM PST           61.89             81         0      Not Applicable
  11/02/2026 04 AM PST           61.89             81         0      Not Applicable
  11/02/2026 05 AM PST           61.89             81         0      Not Applicable
  11/02/2026 06 AM PST           61.88             81         -      Not Applicable
  11/02/2026 07 AM PST           61.88             81         0      Not Applicable
  11/02/2026 08 AM PST           61.88             81         0      Not Applicable
  11/02/2026 09 AM PST           61.88             81         0      Not Applicable
  11/02/2026 10 AM PST           61.88             81         0      Not Applicable
  11/02/2026 11 AM PST           61.87             80         -      Not Applicable
  11/02/2026 12 PM PST           61.87             80         0      Not Applicable
  11/02/2026 01 PM PST           61.87             80         0      Not Applicable
  11/02/2026 02 PM PST           61.87             80         0      Not Applicable
  11/02/2026 03 PM PST           61.87             80         0      Not Applicable
  11/02/2026 04 PM PST           61.87             80         0      Not Applicable
  11/02/2026 05 PM PST           61.87             80         0      Not Applicable
  11/02/2026 06 PM PST           61.87             80         0      Not Applicable
  11/02/2026 07 PM PST           61.87             80         0      Not Applicable
  11/02/2026 08 PM PST           61.87             80         0      Not Applicable
  11/02/2026 09 PM PST           61.87             80         0      Not Applicable
  11/02/2026 10 PM PST           61.87             80         0      Not Applicable
  11/02/2026 11 PM PST           61.87             80         0      Not Applicable
  11/03/2026 12 AM PST           61.86             79         -      Not Applicable
  11/03/2026 01 AM PST           61.86             79         0      Not Applicable
  11/03/2026 02 AM PST           61.86             79         0      Not Applicable
  11/03/2026 03 AM PST           61.86             79         0      Not Applicable
  11/03/2026 04 AM PST           61.86             79         0      Not Applicable
  11/03/2026 05 AM PST           61.86             79         0      Not Applicable
  11/03/2026 06 AM PST           61.86             79         0      Not Applicable
  11/03/2026 07 AM PST           61.85             79         -      Not Applicable
  11/03/2026 08 AM PST           61.85             79         0      Not Applicable
  11/03/2026 09 AM PST           61.85             79         0      Not Applicable
  11/03/2026 10 AM PST           61.85             79         0      Not Applicable
  11/03/2026 11 AM PST           61.85             79         0      Not Applicable
  11/03/2026 12 PM PST           61.85             79         0      Not Applicable
  11/03/2026 01 PM PST           61.85             79         0      Not Applicable
  11/03/2026 02 PM PST           61.84             78         -      Not Applicable
  11/03/2026 03 PM PST           61.84             78         0      Not Applicable
  11/03/2026 04 PM PST           61.84             78         0      Not Applicable
  11/03/2026 05 PM PST           61.84             78         0      Not Applicable
  11/03/2026 06 PM PST           61.84             78         0      Not Applicable
  11/03/2026 07 PM PST           61.84             78         0      Not Applicable
  11/03/2026 08 PM PST           61.84             78         0      Not Applicable
  11/03/2026 09 PM PST           61.84             78         0      Not Applicable
  11/03/2026 10 PM PST           61.84             78         0      Not Applicable
  11/03/2026 11 PM PST           61.84             78         0      Not Applicable
  11/04/2026 12 AM PST           61.83             78         -      Not Applicable
  11/04/2026 01 AM PST           61.83             78         0      Not Applicable
  11/04/2026 02 AM PST           61.83             78         0      Not Applicable
  11/04/2026 03 AM PST           61.83             78         0      Not Applicable
  11/04/2026 04 AM PST           61.83             78         0      Not Applicable
  11/04/2026 05 AM PST           61.83             78         0      Not Applicable
  11/04/2026 06 AM PST           61.83             78         0      Not Applicable
  11/04/2026 07 AM PST           61.83             78         0      Not Applicable
  11/04/2026 08 AM PST           61.83             78         0      Not Applicable
  11/04/2026 09 AM PST           61.83             78         0      Not Applicable
  11/04/2026 10 AM PST           61.83             78         0      Not Applicable
  11/04/2026 11 AM PST           61.82             77         -      Not Applicable
  11/04/2026 12 PM PST           61.82             77         0      Not Applicable
  11/04/2026 01 PM PST           61.82             77         0      Not Applicable
  11/04/2026 02 PM PST           61.82             77         0      Not Applicable
  11/04/2026 03 PM PST           61.82             77         0      Not Applicable
  11/04/2026 04 PM PST           61.82             77         0      Not Applicable
  11/04/2026 05 PM PST           61.82             77         0      Not Applicable
  11/04/2026 06 PM PST           61.82             77         0      Not Applicable
  11/04/2026 07 PM PST           61.82             77         0      Not Applicable
  11/04/2026 08 PM PST           61.82             77         0      Not Applicable
  11/04/2026 09 PM PST           61.82             77         0      Not Applicable
  11/04/2026 10 PM PST           61.82             77         0      Not Applicable
  11/04/2026 11 PM PST           61.82             77         0      Not Applicable
  11/05/2026 12 AM PST           61.82             77         0      Not Applicable
  11/05/2026 01 AM PST           61.82             77         0      Not Applicable
  11/05/2026 02 AM PST           61.82             77         0      Not Applicable
  11/05/2026 03 AM PST           61.82             77         0      Not Applicable
  11/05/2026 04 AM PST           61.82             77         0      Not Applicable
#
# 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.