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

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SAN JOAQUIN RIVER - MOSSDALE (MOSC1)
Latitude: 37.79º NLongitude: 121.31º WElevation: 32 FeetForecast Type: Official Location
Location: San Joaquin County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Oct 08 2026 at 7:17 AM PDTNext Issuance: Oct 09 2026 at 9:00 AM PDT
Action: 19.5 FeetMinor Flood: 28.5 FeetModerate Flood: 32.1 FeetMajor Flood: 33.1 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Joaquin River - Mossdale (MOSC1)
#
# File Generation Time:  10/08/2026 at 07:17 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  10/04/2026 at 02:00 AM PDT
# Maximum Observed Stage:                       6.56 Feet
#
# Earliest Date & Time of Maximum Forecast:     10/11/2026 at 10:00 AM PDT
# Maximum Forecast Stage:                       5.72 Feet
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Trend     Observed Status
# ------------------------------------------------------------------
  10/03/2026 07 AM PDT            5.21                        Normal
  10/03/2026 08 AM PDT            5.02         -              Normal
  10/03/2026 09 AM PDT            4.86         -              Normal
  10/03/2026 10 AM PDT            4.72         -              Normal
  10/03/2026 11 AM PDT            4.81         +              Normal
  10/03/2026 12 PM PDT            4.95         +              Normal
  10/03/2026 01 PM PDT            5.08         +              Normal
  10/03/2026 02 PM PDT            5.21         +              Normal
  10/03/2026 03 PM PDT            5.32         +              Normal
  10/03/2026 04 PM PDT            5.40         +              Normal
  10/03/2026 05 PM PDT            5.31         -              Normal
  10/03/2026 06 PM PDT            5.12         -              Normal
  10/03/2026 07 PM PDT            5.01         -              Normal
  10/03/2026 08 PM PDT            5.02         +              Normal
  10/03/2026 09 PM PDT            5.30         +              Normal
  10/03/2026 10 PM PDT            5.54         +              Normal
  10/03/2026 11 PM PDT            5.82         +              Normal
  10/04/2026 12 AM PDT            6.11         +              Normal
  10/04/2026 01 AM PDT            6.39         +              Normal
  10/04/2026 02 AM PDT            6.56         +              Normal
  10/04/2026 03 AM PDT            6.35         -              Normal
  10/04/2026 04 AM PDT            6.13         -              Normal
  10/04/2026 05 AM PDT            5.93         -              Normal
  10/04/2026 06 AM PDT            5.73         -              Normal
  10/04/2026 07 AM PDT            5.54         -              Normal
  10/04/2026 08 AM PDT            5.34         -              Normal
  10/04/2026 09 AM PDT            5.17         -              Normal
  10/04/2026 10 AM PDT            5.00         -              Normal
  10/04/2026 11 AM PDT            4.87         -              Normal
  10/04/2026 12 PM PDT            4.92         +              Normal
  10/04/2026 01 PM PDT            5.06         +              Normal
  10/04/2026 02 PM PDT            5.20         +              Normal
  10/04/2026 03 PM PDT            5.34         +              Normal
  10/04/2026 04 PM PDT            5.46         +              Normal
  10/04/2026 05 PM PDT            5.52         +              Normal
  10/04/2026 06 PM PDT            5.39         -              Normal
  10/04/2026 07 PM PDT            5.26         -              Normal
  10/04/2026 08 PM PDT            5.14         -              Normal
  10/04/2026 09 PM PDT            5.05         -              Normal
  10/04/2026 10 PM PDT            5.12         +              Normal
  10/04/2026 11 PM PDT            5.39         +              Normal
  10/05/2026 12 AM PDT            5.65         +              Normal
  10/05/2026 01 AM PDT            5.92         +              Normal
  10/05/2026 02 AM PDT            6.20         +              Normal
  10/05/2026 03 AM PDT            6.43         +              Normal
  10/05/2026 04 AM PDT            6.37         -              Normal
  10/05/2026 05 AM PDT            6.15         -              Normal
  10/05/2026 06 AM PDT            5.95         -              Normal
  10/05/2026 07 AM PDT            5.77         -              Normal
  10/05/2026 08 AM PDT            5.58         -              Normal
  10/05/2026 09 AM PDT            5.40         -              Normal
  10/05/2026 10 AM PDT            5.22         -              Normal
  10/05/2026 11 AM PDT            5.05         -              Normal
  10/05/2026 12 PM PDT            4.90         -              Normal
  10/05/2026 01 PM PDT            4.97         +              Normal
  10/05/2026 02 PM PDT            5.13         +              Normal
  10/05/2026 03 PM PDT            5.26         +              Normal
  10/05/2026 04 PM PDT            5.39         +              Normal
  10/05/2026 05 PM PDT            5.50         +              Normal
  10/05/2026 06 PM PDT            5.55         +              Normal
  10/05/2026 07 PM PDT            5.37         -              Normal
  10/05/2026 08 PM PDT            5.23         -              Normal
  10/05/2026 09 PM PDT            5.09         -              Normal
  10/05/2026 10 PM PDT            4.98         -              Normal
  10/05/2026 11 PM PDT            4.94         -              Normal
  10/06/2026 12 AM PDT            5.21         +              Normal
  10/06/2026 01 AM PDT            5.46         +              Normal
  10/06/2026 02 AM PDT            5.68         +              Normal
  10/06/2026 03 AM PDT            5.96         +              Normal
  10/06/2026 04 AM PDT            6.21         +              Normal
  10/06/2026 05 AM PDT            6.31         +              Normal
  10/06/2026 06 AM PDT            6.07         -              Normal
  10/06/2026 07 AM PDT            5.88         -              Normal
  10/06/2026 08 AM PDT            5.69         -              Normal
  10/06/2026 09 AM PDT            5.51         -              Normal
  10/06/2026 10 AM PDT            5.33         -              Normal
  10/06/2026 11 AM PDT            5.17         -              Normal
  10/06/2026 12 PM PDT            5.01         -              Normal
  10/06/2026 01 PM PDT            4.92         -              Normal
  10/06/2026 02 PM PDT            5.10         +              Normal
  10/06/2026 03 PM PDT            5.25         +              Normal
  10/06/2026 04 PM PDT            5.39         +              Normal
  10/06/2026 05 PM PDT            5.54         +              Normal
  10/06/2026 06 PM PDT            5.66         +              Normal
  10/06/2026 07 PM PDT            5.68         +              Normal
  10/06/2026 08 PM PDT            5.46         -              Normal
  10/06/2026 09 PM PDT            5.32         -              Normal
  10/06/2026 10 PM PDT            5.19         -              Normal
  10/06/2026 11 PM PDT            5.06         -              Normal
  10/07/2026 12 AM PDT            4.97         -              Normal
  10/07/2026 01 AM PDT            5.19         +              Normal
  10/07/2026 02 AM PDT            5.40         +              Normal
  10/07/2026 03 AM PDT            5.58         +              Normal
  10/07/2026 04 AM PDT            5.82         +              Normal
  10/07/2026 05 AM PDT            6.08         +              Normal
  10/07/2026 06 AM PDT            6.21         +              Normal
  10/07/2026 07 AM PDT            6.02         -              Normal
  10/07/2026 08 AM PDT            5.80         -              Normal
  10/07/2026 09 AM PDT            5.63         -              Normal
  10/07/2026 10 AM PDT            5.45         -              Normal
  10/07/2026 11 AM PDT            5.28         -              Normal
  10/07/2026 12 PM PDT            5.12         -              Normal
  10/07/2026 01 PM PDT            4.98         -              Normal
  10/07/2026 02 PM PDT            5.00         +              Normal
  10/07/2026 03 PM PDT            5.23         +              Normal
  10/07/2026 04 PM PDT            5.37         +              Normal
  10/07/2026 05 PM PDT            5.52         +              Normal
  10/07/2026 06 PM PDT            5.68         +              Normal
  10/07/2026 07 PM PDT            5.79         +              Normal
  10/07/2026 08 PM PDT            5.64         -              Normal
  10/07/2026 09 PM PDT            5.49         -              Normal
  10/07/2026 10 PM PDT            5.33         -              Normal
  10/07/2026 11 PM PDT            5.19         -              Normal
  10/08/2026 12 AM PDT            5.04         -              Normal
  10/08/2026 01 AM PDT            4.92         -              Normal
  10/08/2026 02 AM PDT            5.08         +              Normal
  10/08/2026 03 AM PDT            5.29         +              Normal
  10/08/2026 04 AM PDT            5.44         +              Normal
  10/08/2026 05 AM PDT            5.65         +              Normal
  10/08/2026 06 AM PDT            5.65         0              Normal
  10/08/2026 07 AM PDT            5.66         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Trend     Forecast Status
# ------------------------------------------------------------------
  10/08/2026 08 AM PDT            5.66                        Normal
  10/08/2026 09 AM PDT            5.66         0              Normal
  10/08/2026 10 AM PDT            5.67         +              Normal
  10/08/2026 11 AM PDT            5.67         0              Normal
  10/08/2026 12 PM PDT            5.67         0              Normal
  10/08/2026 01 PM PDT            5.68         +              Normal
  10/08/2026 02 PM PDT            5.68         0              Normal
  10/08/2026 03 PM PDT            5.68         0              Normal
  10/08/2026 04 PM PDT            5.69         +              Normal
  10/08/2026 05 PM PDT            5.69         0              Normal
  10/08/2026 06 PM PDT            5.69         0              Normal
  10/08/2026 07 PM PDT            5.70         +              Normal
  10/08/2026 08 PM PDT            5.70         0              Normal
  10/08/2026 09 PM PDT            5.70         0              Normal
  10/08/2026 10 PM PDT            5.70         0              Normal
  10/08/2026 11 PM PDT            5.70         0              Normal
  10/09/2026 12 AM PDT            5.70         0              Normal
  10/09/2026 01 AM PDT            5.70         0              Normal
  10/09/2026 02 AM PDT            5.70         0              Normal
  10/09/2026 03 AM PDT            5.70         0              Normal
  10/09/2026 04 AM PDT            5.70         0              Normal
  10/09/2026 05 AM PDT            5.70         0              Normal
  10/09/2026 06 AM PDT            5.70         0              Normal
  10/09/2026 07 AM PDT            5.70         0              Normal
  10/09/2026 08 AM PDT            5.70         0              Normal
  10/09/2026 09 AM PDT            5.70         0              Normal
  10/09/2026 10 AM PDT            5.71         +              Normal
  10/09/2026 11 AM PDT            5.71         0              Normal
  10/09/2026 12 PM PDT            5.71         0              Normal
  10/09/2026 01 PM PDT            5.71         0              Normal
  10/09/2026 02 PM PDT            5.71         0              Normal
  10/09/2026 03 PM PDT            5.71         0              Normal
  10/09/2026 04 PM PDT            5.71         0              Normal
  10/09/2026 05 PM PDT            5.71         0              Normal
  10/09/2026 06 PM PDT            5.71         0              Normal
  10/09/2026 07 PM PDT            5.71         0              Normal
  10/09/2026 08 PM PDT            5.71         0              Normal
  10/09/2026 09 PM PDT            5.71         0              Normal
  10/09/2026 10 PM PDT            5.71         0              Normal
  10/09/2026 11 PM PDT            5.71         0              Normal
  10/10/2026 12 AM PDT            5.71         0              Normal
  10/10/2026 01 AM PDT            5.71         0              Normal
  10/10/2026 02 AM PDT            5.71         0              Normal
  10/10/2026 03 AM PDT            5.71         0              Normal
  10/10/2026 04 AM PDT            5.71         0              Normal
  10/10/2026 05 AM PDT            5.71         0              Normal
  10/10/2026 06 AM PDT            5.71         0              Normal
  10/10/2026 07 AM PDT            5.71         0              Normal
  10/10/2026 08 AM PDT            5.71         0              Normal
  10/10/2026 09 AM PDT            5.71         0              Normal
  10/10/2026 10 AM PDT            5.71         0              Normal
  10/10/2026 11 AM PDT            5.71         0              Normal
  10/10/2026 12 PM PDT            5.71         0              Normal
  10/10/2026 01 PM PDT            5.71         0              Normal
  10/10/2026 02 PM PDT            5.71         0              Normal
  10/10/2026 03 PM PDT            5.71         0              Normal
  10/10/2026 04 PM PDT            5.71         0              Normal
  10/10/2026 05 PM PDT            5.71         0              Normal
  10/10/2026 06 PM PDT            5.71         0              Normal
  10/10/2026 07 PM PDT            5.71         0              Normal
  10/10/2026 08 PM PDT            5.71         0              Normal
  10/10/2026 09 PM PDT            5.71         0              Normal
  10/10/2026 10 PM PDT            5.71         0              Normal
  10/10/2026 11 PM PDT            5.71         0              Normal
  10/11/2026 12 AM PDT            5.71         0              Normal
  10/11/2026 01 AM PDT            5.71         0              Normal
  10/11/2026 02 AM PDT            5.71         0              Normal
  10/11/2026 03 AM PDT            5.71         0              Normal
  10/11/2026 04 AM PDT            5.71         0              Normal
  10/11/2026 05 AM PDT            5.71         0              Normal
  10/11/2026 06 AM PDT            5.71         0              Normal
  10/11/2026 07 AM PDT            5.71         0              Normal
  10/11/2026 08 AM PDT            5.71         0              Normal
  10/11/2026 09 AM PDT            5.71         0              Normal
  10/11/2026 10 AM PDT            5.72         +              Normal
  10/11/2026 11 AM PDT            5.72         0              Normal
  10/11/2026 12 PM PDT            5.72         0              Normal
  10/11/2026 01 PM PDT            5.72         0              Normal
  10/11/2026 02 PM PDT            5.72         0              Normal
  10/11/2026 03 PM PDT            5.72         0              Normal
  10/11/2026 04 PM PDT            5.72         0              Normal
  10/11/2026 05 PM PDT            5.72         0              Normal
  10/11/2026 06 PM PDT            5.72         0              Normal
  10/11/2026 07 PM PDT            5.72         0              Normal
  10/11/2026 08 PM PDT            5.72         0              Normal
  10/11/2026 09 PM PDT            5.72         0              Normal
  10/11/2026 10 PM PDT            5.72         0              Normal
  10/11/2026 11 PM PDT            5.72         0              Normal
  10/12/2026 12 AM PDT            5.72         0              Normal
  10/12/2026 01 AM PDT            5.72         0              Normal
  10/12/2026 02 AM PDT            5.72         0              Normal
  10/12/2026 03 AM PDT            5.72         0              Normal
  10/12/2026 04 AM PDT            5.72         0              Normal
  10/12/2026 05 AM PDT            5.72         0              Normal
  10/12/2026 06 AM PDT            5.72         0              Normal
  10/12/2026 07 AM PDT            5.72         0              Normal
  10/12/2026 08 AM PDT            5.72         0              Normal
  10/12/2026 09 AM PDT            5.72         0              Normal
  10/12/2026 10 AM PDT            5.72         0              Normal
  10/12/2026 11 AM PDT            5.72         0              Normal
  10/12/2026 12 PM PDT            5.72         0              Normal
  10/12/2026 01 PM PDT            5.72         0              Normal
  10/12/2026 02 PM PDT            5.72         0              Normal
  10/12/2026 03 PM PDT            5.72         0              Normal
  10/12/2026 04 PM PDT            5.72         0              Normal
  10/12/2026 05 PM PDT            5.72         0              Normal
  10/12/2026 06 PM PDT            5.72         0              Normal
  10/12/2026 07 PM PDT            5.72         0              Normal
  10/12/2026 08 PM PDT            5.72         0              Normal
  10/12/2026 09 PM PDT            5.72         0              Normal
  10/12/2026 10 PM PDT            5.72         0              Normal
  10/12/2026 11 PM PDT            5.72         0              Normal
  10/13/2026 12 AM PDT            5.72         0              Normal
  10/13/2026 01 AM PDT            5.72         0              Normal
  10/13/2026 02 AM PDT            5.72         0              Normal
  10/13/2026 03 AM PDT            5.72         0              Normal
  10/13/2026 04 AM PDT            5.72         0              Normal
  10/13/2026 05 AM PDT            5.72         0              Normal
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Trends are determined using hourly change in unrounded stage.
# NOTE 3: Maximum Values are determined using unrounded stage.