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 23 2026 at 8:08 AM PDTNext Issuance: Oct 24 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:  10/23/2026 at 08:11 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  10/23/2026 at 04:00 AM PDT
# Maximum Observed Stage:                       61.58 Feet
# Maximum Observed Flow:                        63 cfs
#
# Earliest Date & Time of Maximum Forecast:     10/23/2026 at 09:00 AM PDT
# Maximum Forecast Stage:                       61.56 Feet
# Maximum Forecast Flow:                        62 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  10/18/2026 08 AM PDT           61.41             54                Not Applicable
  10/18/2026 09 AM PDT           61.41             54         0      Not Applicable
  10/18/2026 10 AM PDT           61.41             54         0      Not Applicable
  10/18/2026 11 AM PDT           61.41             54         0      Not Applicable
  10/18/2026 12 PM PDT           61.41             54         0      Not Applicable
  10/18/2026 01 PM PDT           61.41             54         0      Not Applicable
  10/18/2026 02 PM PDT           61.41             54         0      Not Applicable
  10/18/2026 03 PM PDT           61.41             54         0      Not Applicable
  10/18/2026 04 PM PDT           61.41             54         0      Not Applicable
  10/18/2026 05 PM PDT           61.41             54         0      Not Applicable
  10/18/2026 06 PM PDT           61.41             54         0      Not Applicable
  10/18/2026 07 PM PDT           61.41             54         0      Not Applicable
  10/18/2026 08 PM PDT           61.41             54         0      Not Applicable
  10/18/2026 09 PM PDT           61.41             54         0      Not Applicable
  10/18/2026 10 PM PDT           61.41             54         0      Not Applicable
  10/18/2026 11 PM PDT           61.41             54         0      Not Applicable
  10/19/2026 12 AM PDT           61.41             54         0      Not Applicable
  10/19/2026 01 AM PDT           61.41             54         0      Not Applicable
  10/19/2026 02 AM PDT           61.41             54         0      Not Applicable
  10/19/2026 03 AM PDT           61.41             54         0      Not Applicable
  10/19/2026 04 AM PDT           61.41             54         0      Not Applicable
  10/19/2026 05 AM PDT           61.41             54         0      Not Applicable
  10/19/2026 06 AM PDT           61.45             56         +      Not Applicable
  10/19/2026 07 AM PDT           61.45             56         0      Not Applicable
  10/19/2026 08 AM PDT           61.45             56         0      Not Applicable
  10/19/2026 09 AM PDT           61.45             56         0      Not Applicable
  10/19/2026 10 AM PDT           61.45             56         0      Not Applicable
  10/19/2026 11 AM PDT           61.45             56         0      Not Applicable
  10/19/2026 12 PM PDT           61.45             56         0      Not Applicable
  10/19/2026 01 PM PDT           61.45             56         0      Not Applicable
  10/19/2026 02 PM PDT           61.45             56         0      Not Applicable
  10/19/2026 03 PM PDT           61.45             56         0      Not Applicable
  10/19/2026 04 PM PDT           61.45             56         0      Not Applicable
  10/19/2026 05 PM PDT           61.45             56         0      Not Applicable
  10/19/2026 06 PM PDT           61.43             55         -      Not Applicable
  10/19/2026 07 PM PDT           61.43             55         0      Not Applicable
  10/19/2026 08 PM PDT           61.43             55         0      Not Applicable
  10/19/2026 09 PM PDT           61.43             55         0      Not Applicable
  10/19/2026 10 PM PDT           61.43             55         0      Not Applicable
  10/19/2026 11 PM PDT           61.43             55         0      Not Applicable
  10/20/2026 12 AM PDT           61.43             55         0      Not Applicable
  10/20/2026 01 AM PDT           61.43             55         0      Not Applicable
  10/20/2026 02 AM PDT           61.43             55         0      Not Applicable
  10/20/2026 03 AM PDT           61.43             55         0      Not Applicable
  10/20/2026 04 AM PDT           61.43             55         0      Not Applicable
  10/20/2026 05 AM PDT           61.43             55         0      Not Applicable
  10/20/2026 06 AM PDT           61.43             55         0      Not Applicable
  10/20/2026 07 AM PDT           61.43             55         0      Not Applicable
  10/20/2026 08 AM PDT           61.43             55         0      Not Applicable
  10/20/2026 09 AM PDT           61.43             55         0      Not Applicable
  10/20/2026 10 AM PDT           61.43             55         0      Not Applicable
  10/20/2026 11 AM PDT           61.43             55         0      Not Applicable
  10/20/2026 12 PM PDT           61.41             54         -      Not Applicable
  10/20/2026 01 PM PDT           61.43             55         +      Not Applicable
  10/20/2026 02 PM PDT           61.41             54         -      Not Applicable
  10/20/2026 03 PM PDT           61.41             54         0      Not Applicable
  10/20/2026 04 PM PDT           61.41             54         0      Not Applicable
  10/20/2026 05 PM PDT           61.41             54         0      Not Applicable
  10/20/2026 06 PM PDT           61.41             54         0      Not Applicable
  10/20/2026 07 PM PDT           61.41             54         0      Not Applicable
  10/20/2026 08 PM PDT           61.41             54         0      Not Applicable
  10/20/2026 09 PM PDT           61.41             54         0      Not Applicable
  10/20/2026 10 PM PDT           61.41             54         0      Not Applicable
  10/20/2026 11 PM PDT           61.41             54         0      Not Applicable
  10/21/2026 12 AM PDT           61.43             55         +      Not Applicable
  10/21/2026 01 AM PDT           61.43             55         0      Not Applicable
  10/21/2026 02 AM PDT           61.43             55         0      Not Applicable
  10/21/2026 03 AM PDT           61.43             55         0      Not Applicable
  10/21/2026 04 AM PDT           61.43             55         0      Not Applicable
  10/21/2026 05 AM PDT           61.43             55         0      Not Applicable
  10/21/2026 06 AM PDT           61.43             55         0      Not Applicable
  10/21/2026 07 AM PDT           61.43             55         0      Not Applicable
  10/21/2026 08 AM PDT           61.43             55         0      Not Applicable
  10/21/2026 09 AM PDT           61.43             55         0      Not Applicable
  10/21/2026 10 AM PDT           61.45             56         +      Not Applicable
  10/21/2026 11 AM PDT           61.45             56         0      Not Applicable
  10/21/2026 12 PM PDT           61.45             56         0      Not Applicable
  10/21/2026 01 PM PDT           61.45             56         0      Not Applicable
  10/21/2026 02 PM PDT           61.47             57         +      Not Applicable
  10/21/2026 03 PM PDT           61.45             56         -      Not Applicable
  10/21/2026 04 PM PDT           61.45             56         0      Not Applicable
  10/21/2026 05 PM PDT           61.47             57         +      Not Applicable
  10/21/2026 06 PM PDT           61.47             57         0      Not Applicable
  10/21/2026 07 PM PDT           61.47             57         0      Not Applicable
  10/21/2026 08 PM PDT           61.47             57         0      Not Applicable
  10/21/2026 09 PM PDT           61.47             57         0      Not Applicable
  10/21/2026 10 PM PDT           61.47             57         0      Not Applicable
  10/21/2026 11 PM PDT           61.49             58         +      Not Applicable
  10/22/2026 12 AM PDT           61.49             58         0      Not Applicable
  10/22/2026 01 AM PDT           61.49             58         0      Not Applicable
  10/22/2026 02 AM PDT           61.49             58         0      Not Applicable
  10/22/2026 03 AM PDT           61.51             59         +      Not Applicable
  10/22/2026 04 AM PDT           61.51             59         0      Not Applicable
  10/22/2026 05 AM PDT           61.51             59         0      Not Applicable
  10/22/2026 06 AM PDT           61.51             59         0      Not Applicable
  10/22/2026 07 AM PDT           61.51             59         0      Not Applicable
  10/22/2026 08 AM PDT           61.53             60         +      Not Applicable
  10/22/2026 09 AM PDT           61.53             60         0      Not Applicable
  10/22/2026 10 AM PDT           61.53             60         0      Not Applicable
  10/22/2026 11 AM PDT           61.53             60         0      Not Applicable
  10/22/2026 12 PM PDT           61.55             61         +      Not Applicable
  10/22/2026 01 PM PDT           61.53             60         -      Not Applicable
  10/22/2026 02 PM PDT           61.53             60         0      Not Applicable
  10/22/2026 03 PM PDT           61.53             60         0      Not Applicable
  10/22/2026 04 PM PDT           61.55             61         +      Not Applicable
  10/22/2026 05 PM PDT           61.55             61         0      Not Applicable
  10/22/2026 06 PM PDT           61.55             61         0      Not Applicable
  10/22/2026 07 PM PDT           61.55             61         0      Not Applicable
  10/22/2026 08 PM PDT           61.55             61         0      Not Applicable
  10/22/2026 09 PM PDT           61.55             61         0      Not Applicable
  10/22/2026 10 PM PDT           61.56             62         +      Not Applicable
  10/22/2026 11 PM PDT           61.56             62         0      Not Applicable
  10/23/2026 12 AM PDT           61.56             62         0      Not Applicable
  10/23/2026 01 AM PDT           61.58             63         +      Not Applicable
  10/23/2026 02 AM PDT           61.58             63         0      Not Applicable
  10/23/2026 03 AM PDT           61.58             63         0      Not Applicable
  10/23/2026 04 AM PDT           61.58             63         0      Not Applicable
  10/23/2026 05 AM PDT           61.56             62         -      Not Applicable
  10/23/2026 06 AM PDT           61.56             62         0      Not Applicable
  10/23/2026 07 AM PDT           61.56             62         0      Not Applicable
  10/23/2026 08 AM PDT           61.56             62         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  10/23/2026 09 AM PDT           61.56             62                Not Applicable
  10/23/2026 10 AM PDT           61.56             62         0      Not Applicable
  10/23/2026 11 AM PDT           61.56             62         0      Not Applicable
  10/23/2026 12 PM PDT           61.56             62         0      Not Applicable
  10/23/2026 01 PM PDT           61.56             62         0      Not Applicable
  10/23/2026 02 PM PDT           61.56             62         0      Not Applicable
  10/23/2026 03 PM PDT           61.56             62         0      Not Applicable
  10/23/2026 04 PM PDT           61.56             62         0      Not Applicable
  10/23/2026 05 PM PDT           61.56             62         0      Not Applicable
  10/23/2026 06 PM PDT           61.56             62         0      Not Applicable
  10/23/2026 07 PM PDT           61.56             62         0      Not Applicable
  10/23/2026 08 PM PDT           61.55             61         -      Not Applicable
  10/23/2026 09 PM PDT           61.55             61         0      Not Applicable
  10/23/2026 10 PM PDT           61.55             61         0      Not Applicable
  10/23/2026 11 PM PDT           61.55             61         0      Not Applicable
  10/24/2026 12 AM PDT           61.55             61         0      Not Applicable
  10/24/2026 01 AM PDT           61.55             61         0      Not Applicable
  10/24/2026 02 AM PDT           61.55             61         0      Not Applicable
  10/24/2026 03 AM PDT           61.55             61         0      Not Applicable
  10/24/2026 04 AM PDT           61.55             61         0      Not Applicable
  10/24/2026 05 AM PDT           61.55             61         0      Not Applicable
  10/24/2026 06 AM PDT           61.55             61         0      Not Applicable
  10/24/2026 07 AM PDT           61.55             61         0      Not Applicable
  10/24/2026 08 AM PDT           61.54             61         -      Not Applicable
  10/24/2026 09 AM PDT           61.54             61         0      Not Applicable
  10/24/2026 10 AM PDT           61.54             61         0      Not Applicable
  10/24/2026 11 AM PDT           61.54             61         0      Not Applicable
  10/24/2026 12 PM PDT           61.54             61         0      Not Applicable
  10/24/2026 01 PM PDT           61.54             61         0      Not Applicable
  10/24/2026 02 PM PDT           61.54             61         0      Not Applicable
  10/24/2026 03 PM PDT           61.53             60         -      Not Applicable
  10/24/2026 04 PM PDT           61.53             60         0      Not Applicable
  10/24/2026 05 PM PDT           61.53             60         0      Not Applicable
  10/24/2026 06 PM PDT           61.53             60         0      Not Applicable
  10/24/2026 07 PM PDT           61.53             60         0      Not Applicable
  10/24/2026 08 PM PDT           61.53             60         0      Not Applicable
  10/24/2026 09 PM PDT           61.53             60         0      Not Applicable
  10/24/2026 10 PM PDT           61.53             60         0      Not Applicable
  10/24/2026 11 PM PDT           61.53             60         0      Not Applicable
  10/25/2026 12 AM PDT           61.53             60         0      Not Applicable
  10/25/2026 01 AM PDT           61.53             60         0      Not Applicable
  10/25/2026 02 AM PDT           61.53             60         0      Not Applicable
  10/25/2026 03 AM PDT           61.52             60         -      Not Applicable
  10/25/2026 04 AM PDT           61.52             60         0      Not Applicable
  10/25/2026 05 AM PDT           61.52             60         0      Not Applicable
  10/25/2026 06 AM PDT           61.52             60         0      Not Applicable
  10/25/2026 07 AM PDT           61.52             60         0      Not Applicable
  10/25/2026 08 AM PDT           61.52             60         0      Not Applicable
  10/25/2026 09 AM PDT           61.51             59         -      Not Applicable
  10/25/2026 10 AM PDT           61.51             59         0      Not Applicable
  10/25/2026 11 AM PDT           61.51             59         0      Not Applicable
  10/25/2026 12 PM PDT           61.51             59         0      Not Applicable
  10/25/2026 01 PM PDT           61.51             59         0      Not Applicable
  10/25/2026 02 PM PDT           61.51             59         0      Not Applicable
  10/25/2026 03 PM PDT           61.50             59         -      Not Applicable
  10/25/2026 04 PM PDT           61.50             59         0      Not Applicable
  10/25/2026 05 PM PDT           61.50             59         0      Not Applicable
  10/25/2026 06 PM PDT           61.50             59         0      Not Applicable
  10/25/2026 07 PM PDT           61.50             59         0      Not Applicable
  10/25/2026 08 PM PDT           61.50             59         0      Not Applicable
  10/25/2026 09 PM PDT           61.50             59         0      Not Applicable
  10/25/2026 10 PM PDT           61.50             59         0      Not Applicable
  10/25/2026 11 PM PDT           61.50             59         0      Not Applicable
  10/26/2026 12 AM PDT           61.50             59         0      Not Applicable
  10/26/2026 01 AM PDT           61.50             59         0      Not Applicable
  10/26/2026 02 AM PDT           61.50             59         0      Not Applicable
  10/26/2026 03 AM PDT           61.49             58         -      Not Applicable
  10/26/2026 04 AM PDT           61.49             58         0      Not Applicable
  10/26/2026 05 AM PDT           61.49             58         0      Not Applicable
  10/26/2026 06 AM PDT           61.49             58         0      Not Applicable
  10/26/2026 07 AM PDT           61.49             58         0      Not Applicable
  10/26/2026 08 AM PDT           61.49             58         0      Not Applicable
  10/26/2026 09 AM PDT           61.48             58         -      Not Applicable
  10/26/2026 10 AM PDT           61.48             58         0      Not Applicable
  10/26/2026 11 AM PDT           61.48             58         0      Not Applicable
  10/26/2026 12 PM PDT           61.48             58         0      Not Applicable
  10/26/2026 01 PM PDT           61.48             58         0      Not Applicable
  10/26/2026 02 PM PDT           61.48             58         0      Not Applicable
  10/26/2026 03 PM PDT           61.48             58         0      Not Applicable
  10/26/2026 04 PM PDT           61.48             58         0      Not Applicable
  10/26/2026 05 PM PDT           61.48             58         0      Not Applicable
  10/26/2026 06 PM PDT           61.48             58         0      Not Applicable
  10/26/2026 07 PM PDT           61.48             58         0      Not Applicable
  10/26/2026 08 PM PDT           61.48             58         0      Not Applicable
  10/26/2026 09 PM PDT           61.47             57         -      Not Applicable
  10/26/2026 10 PM PDT           61.47             57         0      Not Applicable
  10/26/2026 11 PM PDT           61.47             57         0      Not Applicable
  10/27/2026 12 AM PDT           61.47             57         0      Not Applicable
  10/27/2026 01 AM PDT           61.47             57         0      Not Applicable
  10/27/2026 02 AM PDT           61.47             57         0      Not Applicable
  10/27/2026 03 AM PDT           61.46             57         -      Not Applicable
  10/27/2026 04 AM PDT           61.46             57         0      Not Applicable
  10/27/2026 05 AM PDT           61.46             57         0      Not Applicable
  10/27/2026 06 AM PDT           61.46             57         0      Not Applicable
  10/27/2026 07 AM PDT           61.46             57         0      Not Applicable
  10/27/2026 08 AM PDT           61.46             57         0      Not Applicable
  10/27/2026 09 AM PDT           61.45             56         -      Not Applicable
  10/27/2026 10 AM PDT           61.45             56         0      Not Applicable
  10/27/2026 11 AM PDT           61.45             56         0      Not Applicable
  10/27/2026 12 PM PDT           61.45             56         0      Not Applicable
  10/27/2026 01 PM PDT           61.45             56         0      Not Applicable
  10/27/2026 02 PM PDT           61.45             56         0      Not Applicable
  10/27/2026 03 PM PDT           61.45             56         0      Not Applicable
  10/27/2026 04 PM PDT           61.45             56         0      Not Applicable
  10/27/2026 05 PM PDT           61.45             56         0      Not Applicable
  10/27/2026 06 PM PDT           61.45             56         0      Not Applicable
  10/27/2026 07 PM PDT           61.45             56         0      Not Applicable
  10/27/2026 08 PM PDT           61.45             56         0      Not Applicable
  10/27/2026 09 PM PDT           61.44             56         -      Not Applicable
  10/27/2026 10 PM PDT           61.44             56         0      Not Applicable
  10/27/2026 11 PM PDT           61.44             56         0      Not Applicable
  10/28/2026 12 AM PDT           61.44             56         0      Not Applicable
  10/28/2026 01 AM PDT           61.44             56         0      Not Applicable
  10/28/2026 02 AM PDT           61.44             56         0      Not Applicable
  10/28/2026 03 AM PDT           61.43             55         -      Not Applicable
  10/28/2026 04 AM PDT           61.43             55         0      Not Applicable
  10/28/2026 05 AM PDT           61.43             55         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.