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 - 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: Sep 04 2026 at 7:42 AM PDTNext Issuance: Sep 05 2026 at 9:00 AM PDT
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:  09/04/2026 at 07:43 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  09/04/2026 at 07:00 AM PDT
# Maximum Observed Stage:                       60.56 Feet
# Maximum Observed Flow:                        23 cfs
#
# Earliest Date & Time of Maximum Forecast:     09/08/2026 at 05:00 PM PDT
# Maximum Forecast Stage:                       61.67 Feet
# Maximum Forecast Flow:                        68 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  08/30/2026 07 AM PDT           60.50             21                Not Applicable
  08/30/2026 08 AM PDT           60.50             21         0      Not Applicable
  08/30/2026 09 AM PDT           60.50             21         0      Not Applicable
  08/30/2026 10 AM PDT           60.50             21         0      Not Applicable
  08/30/2026 11 AM PDT           60.50             21         0      Not Applicable
  08/30/2026 12 PM PDT           60.50             21         0      Not Applicable
  08/30/2026 01 PM PDT           60.50             21         0      Not Applicable
  08/30/2026 02 PM PDT           60.50             21         0      Not Applicable
  08/30/2026 03 PM PDT           60.50             21         0      Not Applicable
  08/30/2026 04 PM PDT           60.50             21         0      Not Applicable
  08/30/2026 05 PM PDT           60.50             21         0      Not Applicable
  08/30/2026 06 PM PDT           60.50             21         0      Not Applicable
  08/30/2026 07 PM PDT           60.50             21         0      Not Applicable
  08/30/2026 08 PM PDT           60.50             21         0      Not Applicable
  08/30/2026 09 PM PDT           60.50             21         0      Not Applicable
  08/30/2026 10 PM PDT           60.50             21         0      Not Applicable
  08/30/2026 11 PM PDT           60.50             21         0      Not Applicable
  08/31/2026 12 AM PDT           60.50             21         0      Not Applicable
  08/31/2026 01 AM PDT           60.50             21         0      Not Applicable
  08/31/2026 02 AM PDT           60.50             21         0      Not Applicable
  08/31/2026 03 AM PDT           60.50             21         0      Not Applicable
  08/31/2026 04 AM PDT           60.50             21         0      Not Applicable
  08/31/2026 05 AM PDT           60.50             21         0      Not Applicable
  08/31/2026 06 AM PDT           60.50             21         0      Not Applicable
  08/31/2026 07 AM PDT           60.50             21         0      Not Applicable
  08/31/2026 08 AM PDT           60.50             21         0      Not Applicable
  08/31/2026 09 AM PDT           60.50             21         0      Not Applicable
  08/31/2026 10 AM PDT           60.50             21         0      Not Applicable
  08/31/2026 11 AM PDT           60.50             21         0      Not Applicable
  08/31/2026 12 PM PDT           60.50             21         0      Not Applicable
  08/31/2026 01 PM PDT           60.50             21         0      Not Applicable
  08/31/2026 02 PM PDT           60.50             21         0      Not Applicable
  08/31/2026 03 PM PDT           60.50             21         0      Not Applicable
  08/31/2026 04 PM PDT           60.50             21         0      Not Applicable
  08/31/2026 05 PM PDT           60.50             21         0      Not Applicable
  08/31/2026 06 PM PDT           60.50             21         0      Not Applicable
  08/31/2026 07 PM PDT           60.50             21         0      Not Applicable
  08/31/2026 08 PM PDT           60.50             21         0      Not Applicable
  08/31/2026 09 PM PDT           60.50             21         0      Not Applicable
  08/31/2026 10 PM PDT           60.50             21         0      Not Applicable
  08/31/2026 11 PM PDT           60.50             21         0      Not Applicable
  09/01/2026 12 AM PDT           60.50             21         0      Not Applicable
  09/01/2026 01 AM PDT           60.50             21         0      Not Applicable
  09/01/2026 02 AM PDT           60.50             21         0      Not Applicable
  09/01/2026 03 AM PDT           60.50             21         0      Not Applicable
  09/01/2026 04 AM PDT           60.50             21         0      Not Applicable
  09/01/2026 05 AM PDT           60.50             21         0      Not Applicable
  09/01/2026 06 AM PDT           60.50             21         0      Not Applicable
  09/01/2026 07 AM PDT           60.50             21         0      Not Applicable
  09/01/2026 08 AM PDT           60.50             21         0      Not Applicable
  09/01/2026 09 AM PDT           60.50             21         0      Not Applicable
  09/01/2026 10 AM PDT           60.50             21         0      Not Applicable
  09/01/2026 11 AM PDT           60.50             21         0      Not Applicable
  09/01/2026 12 PM PDT           60.50             21         0      Not Applicable
  09/01/2026 01 PM PDT           60.50             21         0      Not Applicable
  09/01/2026 02 PM PDT           60.50             21         0      Not Applicable
  09/01/2026 03 PM PDT           60.50             21         0      Not Applicable
  09/01/2026 04 PM PDT           60.50             21         0      Not Applicable
  09/01/2026 05 PM PDT           60.50             21         0      Not Applicable
  09/01/2026 06 PM PDT           60.50             21         0      Not Applicable
  09/01/2026 07 PM PDT           60.50             21         0      Not Applicable
  09/01/2026 08 PM PDT           60.50             21         0      Not Applicable
  09/01/2026 09 PM PDT           60.50             21         0      Not Applicable
  09/01/2026 10 PM PDT           60.50             21         0      Not Applicable
  09/01/2026 11 PM PDT           60.50             21         0      Not Applicable
  09/02/2026 12 AM PDT           60.50             21         0      Not Applicable
  09/02/2026 01 AM PDT           60.50             21         0      Not Applicable
  09/02/2026 02 AM PDT           60.50             21         0      Not Applicable
  09/02/2026 03 AM PDT           60.50             21         0      Not Applicable
  09/02/2026 04 AM PDT           60.50             21         0      Not Applicable
  09/02/2026 05 AM PDT           60.50             21         0      Not Applicable
  09/02/2026 06 AM PDT           60.50             21         0      Not Applicable
  09/02/2026 07 AM PDT           60.50             21         0      Not Applicable
  09/02/2026 08 AM PDT           60.50             21         0      Not Applicable
  09/02/2026 09 AM PDT           60.50             21         0      Not Applicable
  09/02/2026 10 AM PDT           60.50             21         0      Not Applicable
  09/02/2026 11 AM PDT           60.50             21         0      Not Applicable
  09/02/2026 12 PM PDT           60.50             21         0      Not Applicable
  09/02/2026 01 PM PDT           60.50             21         0      Not Applicable
  09/02/2026 02 PM PDT           60.50             21         0      Not Applicable
  09/02/2026 03 PM PDT           60.50             21         0      Not Applicable
  09/02/2026 04 PM PDT           60.50             21         0      Not Applicable
  09/02/2026 05 PM PDT           60.50             21         0      Not Applicable
  09/02/2026 06 PM PDT           60.50             21         0      Not Applicable
  09/02/2026 07 PM PDT           60.50             21         0      Not Applicable
  09/02/2026 08 PM PDT           60.50             21         0      Not Applicable
  09/02/2026 09 PM PDT           60.50             21         0      Not Applicable
  09/02/2026 10 PM PDT           60.50             21         0      Not Applicable
  09/02/2026 11 PM PDT           60.50             21         0      Not Applicable
  09/03/2026 12 AM PDT           60.50             21         0      Not Applicable
  09/03/2026 01 AM PDT           60.50             21         0      Not Applicable
  09/03/2026 02 AM PDT           60.50             21         0      Not Applicable
  09/03/2026 03 AM PDT           60.50             21         0      Not Applicable
  09/03/2026 04 AM PDT           60.50             21         0      Not Applicable
  09/03/2026 05 AM PDT           60.50             21         0      Not Applicable
  09/03/2026 06 AM PDT           60.50             21         0      Not Applicable
  09/03/2026 07 AM PDT           60.50             21         0      Not Applicable
  09/03/2026 08 AM PDT           60.50             21         0      Not Applicable
  09/03/2026 09 AM PDT           60.50             21         0      Not Applicable
  09/03/2026 10 AM PDT           60.50             21         0      Not Applicable
  09/03/2026 11 AM PDT           60.50             21         0      Not Applicable
  09/03/2026 12 PM PDT           60.50             21         0      Not Applicable
  09/03/2026 01 PM PDT           60.50             21         0      Not Applicable
  09/03/2026 02 PM PDT           60.50             21         0      Not Applicable
  09/03/2026 03 PM PDT           60.50             21         0      Not Applicable
  09/03/2026 04 PM PDT           60.50             21         0      Not Applicable
  09/03/2026 05 PM PDT           60.50             21         0      Not Applicable
  09/03/2026 06 PM PDT           60.50             21         0      Not Applicable
  09/03/2026 07 PM PDT           60.50             21         0      Not Applicable
  09/03/2026 08 PM PDT           60.50             21         0      Not Applicable
  09/03/2026 09 PM PDT           60.50             21         0      Not Applicable
  09/03/2026 10 PM PDT           60.50             21         0      Not Applicable
  09/03/2026 11 PM PDT           60.50             21         0      Not Applicable
  09/04/2026 12 AM PDT           60.50             21         0      Not Applicable
  09/04/2026 01 AM PDT           60.50             21         0      Not Applicable
  09/04/2026 02 AM PDT           60.50             21         0      Not Applicable
  09/04/2026 03 AM PDT           60.50             21         0      Not Applicable
  09/04/2026 04 AM PDT           60.50             21         0      Not Applicable
  09/04/2026 05 AM PDT           60.50             21         0      Not Applicable
  09/04/2026 06 AM PDT           60.53             22         +      Not Applicable
  09/04/2026 07 AM PDT           60.56             23         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  09/04/2026 08 AM PDT           60.58             23                Not Applicable
  09/04/2026 09 AM PDT           60.61             24         +      Not Applicable
  09/04/2026 10 AM PDT           60.65             26         +      Not Applicable
  09/04/2026 11 AM PDT           60.68             27         +      Not Applicable
  09/04/2026 12 PM PDT           60.71             28         +      Not Applicable
  09/04/2026 01 PM PDT           60.76             29         +      Not Applicable
  09/04/2026 02 PM PDT           60.79             31         +      Not Applicable
  09/04/2026 03 PM PDT           60.84             32         +      Not Applicable
  09/04/2026 04 PM PDT           60.88             34         +      Not Applicable
  09/04/2026 05 PM PDT           60.91             35         +      Not Applicable
  09/04/2026 06 PM PDT           60.93             36         +      Not Applicable
  09/04/2026 07 PM PDT           60.98             37         +      Not Applicable
  09/04/2026 08 PM PDT           61.01             39         +      Not Applicable
  09/04/2026 09 PM PDT           61.04             40         +      Not Applicable
  09/04/2026 10 PM PDT           61.07             41         +      Not Applicable
  09/04/2026 11 PM PDT           61.09             42         +      Not Applicable
  09/05/2026 12 AM PDT           61.12             43         +      Not Applicable
  09/05/2026 01 AM PDT           61.15             44         +      Not Applicable
  09/05/2026 02 AM PDT           61.16             44         +      Not Applicable
  09/05/2026 03 AM PDT           61.19             45         +      Not Applicable
  09/05/2026 04 AM PDT           61.21             46         +      Not Applicable
  09/05/2026 05 AM PDT           61.22             47         +      Not Applicable
  09/05/2026 06 AM PDT           61.25             48         +      Not Applicable
  09/05/2026 07 AM PDT           61.26             48         +      Not Applicable
  09/05/2026 08 AM PDT           61.27             49         +      Not Applicable
  09/05/2026 09 AM PDT           61.30             50         +      Not Applicable
  09/05/2026 10 AM PDT           61.31             50         +      Not Applicable
  09/05/2026 11 AM PDT           61.32             51         +      Not Applicable
  09/05/2026 12 PM PDT           61.34             51         +      Not Applicable
  09/05/2026 01 PM PDT           61.35             52         +      Not Applicable
  09/05/2026 02 PM PDT           61.37             53         +      Not Applicable
  09/05/2026 03 PM PDT           61.39             53         +      Not Applicable
  09/05/2026 04 PM PDT           61.40             54         +      Not Applicable
  09/05/2026 05 PM PDT           61.41             54         +      Not Applicable
  09/05/2026 06 PM PDT           61.41             54         0      Not Applicable
  09/05/2026 07 PM PDT           61.43             55         +      Not Applicable
  09/05/2026 08 PM PDT           61.44             56         +      Not Applicable
  09/05/2026 09 PM PDT           61.44             56         0      Not Applicable
  09/05/2026 10 PM PDT           61.45             56         +      Not Applicable
  09/05/2026 11 PM PDT           61.46             57         +      Not Applicable
  09/06/2026 12 AM PDT           61.47             57         +      Not Applicable
  09/06/2026 01 AM PDT           61.48             58         +      Not Applicable
  09/06/2026 02 AM PDT           61.49             58         +      Not Applicable
  09/06/2026 03 AM PDT           61.49             58         0      Not Applicable
  09/06/2026 04 AM PDT           61.50             59         +      Not Applicable
  09/06/2026 05 AM PDT           61.51             59         +      Not Applicable
  09/06/2026 06 AM PDT           61.52             60         +      Not Applicable
  09/06/2026 07 AM PDT           61.52             60         0      Not Applicable
  09/06/2026 08 AM PDT           61.53             60         +      Not Applicable
  09/06/2026 09 AM PDT           61.53             60         0      Not Applicable
  09/06/2026 10 AM PDT           61.54             61         +      Not Applicable
  09/06/2026 11 AM PDT           61.55             61         +      Not Applicable
  09/06/2026 12 PM PDT           61.55             61         0      Not Applicable
  09/06/2026 01 PM PDT           61.56             62         +      Not Applicable
  09/06/2026 02 PM PDT           61.56             62         0      Not Applicable
  09/06/2026 03 PM PDT           61.56             62         0      Not Applicable
  09/06/2026 04 PM PDT           61.56             62         0      Not Applicable
  09/06/2026 05 PM PDT           61.57             63         +      Not Applicable
  09/06/2026 06 PM PDT           61.57             63         0      Not Applicable
  09/06/2026 07 PM PDT           61.58             63         +      Not Applicable
  09/06/2026 08 PM PDT           61.58             63         0      Not Applicable
  09/06/2026 09 PM PDT           61.59             64         +      Not Applicable
  09/06/2026 10 PM PDT           61.59             64         0      Not Applicable
  09/06/2026 11 PM PDT           61.60             64         +      Not Applicable
  09/07/2026 12 AM PDT           61.60             64         0      Not Applicable
  09/07/2026 01 AM PDT           61.60             64         0      Not Applicable
  09/07/2026 02 AM PDT           61.61             65         +      Not Applicable
  09/07/2026 03 AM PDT           61.61             65         0      Not Applicable
  09/07/2026 04 AM PDT           61.61             65         0      Not Applicable
  09/07/2026 05 AM PDT           61.62             65         +      Not Applicable
  09/07/2026 06 AM PDT           61.62             65         0      Not Applicable
  09/07/2026 07 AM PDT           61.62             65         0      Not Applicable
  09/07/2026 08 AM PDT           61.63             66         +      Not Applicable
  09/07/2026 09 AM PDT           61.63             66         0      Not Applicable
  09/07/2026 10 AM PDT           61.63             66         0      Not Applicable
  09/07/2026 11 AM PDT           61.63             66         0      Not Applicable
  09/07/2026 12 PM PDT           61.64             66         +      Not Applicable
  09/07/2026 01 PM PDT           61.64             66         0      Not Applicable
  09/07/2026 02 PM PDT           61.64             66         0      Not Applicable
  09/07/2026 03 PM PDT           61.64             66         0      Not Applicable
  09/07/2026 04 PM PDT           61.65             67         +      Not Applicable
  09/07/2026 05 PM PDT           61.65             67         0      Not Applicable
  09/07/2026 06 PM PDT           61.65             67         0      Not Applicable
  09/07/2026 07 PM PDT           61.65             67         0      Not Applicable
  09/07/2026 08 PM PDT           61.65             67         0      Not Applicable
  09/07/2026 09 PM PDT           61.65             67         0      Not Applicable
  09/07/2026 10 PM PDT           61.65             67         0      Not Applicable
  09/07/2026 11 PM PDT           61.65             67         0      Not Applicable
  09/08/2026 12 AM PDT           61.65             67         0      Not Applicable
  09/08/2026 01 AM PDT           61.65             67         0      Not Applicable
  09/08/2026 02 AM PDT           61.65             67         0      Not Applicable
  09/08/2026 03 AM PDT           61.65             67         0      Not Applicable
  09/08/2026 04 AM PDT           61.66             68         +      Not Applicable
  09/08/2026 05 AM PDT           61.66             68         0      Not Applicable
  09/08/2026 06 AM PDT           61.66             68         0      Not Applicable
  09/08/2026 07 AM PDT           61.66             68         0      Not Applicable
  09/08/2026 08 AM PDT           61.66             68         0      Not Applicable
  09/08/2026 09 AM PDT           61.66             68         0      Not Applicable
  09/08/2026 10 AM PDT           61.66             68         0      Not Applicable
  09/08/2026 11 AM PDT           61.66             68         0      Not Applicable
  09/08/2026 12 PM PDT           61.66             68         0      Not Applicable
  09/08/2026 01 PM PDT           61.66             68         0      Not Applicable
  09/08/2026 02 PM PDT           61.66             68         0      Not Applicable
  09/08/2026 03 PM PDT           61.66             68         0      Not Applicable
  09/08/2026 04 PM PDT           61.66             68         0      Not Applicable
  09/08/2026 05 PM PDT           61.67             68         +      Not Applicable
  09/08/2026 06 PM PDT           61.67             68         0      Not Applicable
  09/08/2026 07 PM PDT           61.67             68         0      Not Applicable
  09/08/2026 08 PM PDT           61.67             68         0      Not Applicable
  09/08/2026 09 PM PDT           61.67             68         0      Not Applicable
  09/08/2026 10 PM PDT           61.67             68         0      Not Applicable
  09/08/2026 11 PM PDT           61.67             68         0      Not Applicable
  09/09/2026 12 AM PDT           61.67             68         0      Not Applicable
  09/09/2026 01 AM PDT           61.67             68         0      Not Applicable
  09/09/2026 02 AM PDT           61.67             68         0      Not Applicable
  09/09/2026 03 AM PDT           61.67             68         0      Not Applicable
  09/09/2026 04 AM PDT           61.67             68         0      Not Applicable
  09/09/2026 05 AM PDT           61.67             68         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.