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: Mar 24 2026 at 12:59 PM PDTNext Issuance: Mar 25 2026 at 9:00 AM PDT
Action/Monitor: 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:  03/24/2026 at 01:03 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/21/2026 at 01:00 PM PDT
# Maximum Observed Stage:                       65.54 Feet
# Maximum Observed Flow:                        468 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/29/2026 at 12:00 AM PDT
# Maximum Forecast Stage:                       65.74 Feet
# Maximum Forecast Flow:                        510 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/19/2026 01 PM PDT           65.44            448                Not Applicable
  03/19/2026 02 PM PDT           65.45            450         +      Not Applicable
  03/19/2026 03 PM PDT           65.47            454         +      Not Applicable
  03/19/2026 04 PM PDT           65.46            452         -      Not Applicable
  03/19/2026 05 PM PDT           65.46            452         0      Not Applicable
  03/19/2026 06 PM PDT           65.47            454         +      Not Applicable
  03/19/2026 07 PM PDT           65.48            456         +      Not Applicable
  03/19/2026 08 PM PDT           65.48            456         0      Not Applicable
  03/19/2026 09 PM PDT           65.49            458         +      Not Applicable
  03/19/2026 10 PM PDT           65.50            460         +      Not Applicable
  03/19/2026 11 PM PDT           65.50            460         0      Not Applicable
  03/20/2026 12 AM PDT           65.50            460         0      Not Applicable
  03/20/2026 01 AM PDT           65.50            460         0      Not Applicable
  03/20/2026 02 AM PDT           65.51            462         +      Not Applicable
  03/20/2026 03 AM PDT           65.51            462         0      Not Applicable
  03/20/2026 04 AM PDT           65.52            464         +      Not Applicable
  03/20/2026 05 AM PDT           65.52            464         0      Not Applicable
  03/20/2026 06 AM PDT           65.53            466         +      Not Applicable
  03/20/2026 07 AM PDT           65.53            466         0      Not Applicable
  03/20/2026 08 AM PDT           65.52            464         -      Not Applicable
  03/20/2026 09 AM PDT           65.53            466         +      Not Applicable
  03/20/2026 10 AM PDT           65.53            466         0      Not Applicable
  03/20/2026 11 AM PDT           65.52            464         -      Not Applicable
  03/20/2026 12 PM PDT           65.53            466         +      Not Applicable
  03/20/2026 01 PM PDT           65.53            466         0      Not Applicable
  03/20/2026 02 PM PDT           65.53            466         0      Not Applicable
  03/20/2026 03 PM PDT           65.53            466         0      Not Applicable
  03/20/2026 04 PM PDT           65.53            466         0      Not Applicable
  03/20/2026 05 PM PDT           65.53            466         0      Not Applicable
  03/20/2026 06 PM PDT           65.53            466         0      Not Applicable
  03/20/2026 07 PM PDT           65.53            466         0      Not Applicable
  03/20/2026 08 PM PDT           65.52            464         -      Not Applicable
  03/20/2026 09 PM PDT           65.52            464         0      Not Applicable
  03/20/2026 10 PM PDT           65.53            466         +      Not Applicable
  03/20/2026 11 PM PDT           65.53            466         0      Not Applicable
  03/21/2026 12 AM PDT           65.52            464         -      Not Applicable
  03/21/2026 01 AM PDT           65.52            464         0      Not Applicable
  03/21/2026 02 AM PDT           65.52            464         0      Not Applicable
  03/21/2026 03 AM PDT           65.53            466         +      Not Applicable
  03/21/2026 04 AM PDT           65.52            464         -      Not Applicable
  03/21/2026 05 AM PDT           65.53            466         +      Not Applicable
  03/21/2026 06 AM PDT           65.53            466         0      Not Applicable
  03/21/2026 07 AM PDT           65.53            466         0      Not Applicable
  03/21/2026 08 AM PDT           65.53            466         0      Not Applicable
  03/21/2026 09 AM PDT           65.54            468         +      Not Applicable
  03/21/2026 10 AM PDT           65.53            466         -      Not Applicable
  03/21/2026 11 AM PDT           65.54            468         +      Not Applicable
  03/21/2026 12 PM PDT           65.53            466         -      Not Applicable
  03/21/2026 01 PM PDT           65.54            468         +      Not Applicable
  03/21/2026 02 PM PDT           65.52            464         -      Not Applicable
  03/21/2026 03 PM PDT           65.53            466         +      Not Applicable
  03/21/2026 04 PM PDT           65.52            464         -      Not Applicable
  03/21/2026 05 PM PDT           65.52            464         0      Not Applicable
  03/21/2026 06 PM PDT           65.52            464         0      Not Applicable
  03/21/2026 07 PM PDT           65.52            464         0      Not Applicable
  03/21/2026 08 PM PDT           65.52            464         0      Not Applicable
  03/21/2026 09 PM PDT           65.51            462         -      Not Applicable
  03/21/2026 10 PM PDT           65.51            462         0      Not Applicable
  03/21/2026 11 PM PDT           65.50            460         -      Not Applicable
  03/22/2026 12 AM PDT           65.51            462         +      Not Applicable
  03/22/2026 01 AM PDT           65.51            462         0      Not Applicable
  03/22/2026 02 AM PDT           65.50            460         -      Not Applicable
  03/22/2026 03 AM PDT           65.49            458         -      Not Applicable
  03/22/2026 04 AM PDT           65.49            458         0      Not Applicable
  03/22/2026 05 AM PDT           65.49            458         0      Not Applicable
  03/22/2026 06 AM PDT           65.48            456         -      Not Applicable
  03/22/2026 07 AM PDT           65.48            456         0      Not Applicable
  03/22/2026 08 AM PDT           65.48            456         0      Not Applicable
  03/22/2026 09 AM PDT           65.47            454         -      Not Applicable
  03/22/2026 10 AM PDT           65.47            454         0      Not Applicable
  03/22/2026 11 AM PDT           65.46            452         -      Not Applicable
  03/22/2026 12 PM PDT           65.46            452         0      Not Applicable
  03/22/2026 01 PM PDT           65.47            454         +      Not Applicable
  03/22/2026 02 PM PDT           65.45            450         -      Not Applicable
  03/22/2026 03 PM PDT           65.45            450         0      Not Applicable
  03/22/2026 04 PM PDT           65.45            450         0      Not Applicable
  03/22/2026 05 PM PDT           65.45            450         0      Not Applicable
  03/22/2026 06 PM PDT           65.44            448         -      Not Applicable
  03/22/2026 07 PM PDT           65.45            450         +      Not Applicable
  03/22/2026 08 PM PDT           65.44            448         -      Not Applicable
  03/22/2026 09 PM PDT           65.44            448         0      Not Applicable
  03/22/2026 10 PM PDT           65.44            448         0      Not Applicable
  03/22/2026 11 PM PDT           65.44            448         0      Not Applicable
  03/23/2026 12 AM PDT           65.44            448         0      Not Applicable
  03/23/2026 01 AM PDT           65.44            448         0      Not Applicable
  03/23/2026 02 AM PDT           65.43            446         -      Not Applicable
  03/23/2026 03 AM PDT           65.43            446         0      Not Applicable
  03/23/2026 04 AM PDT           65.43            446         0      Not Applicable
  03/23/2026 05 AM PDT           65.43            446         0      Not Applicable
  03/23/2026 06 AM PDT           65.43            446         0      Not Applicable
  03/23/2026 07 AM PDT           65.43            446         0      Not Applicable
  03/23/2026 08 AM PDT           65.42            444         -      Not Applicable
  03/23/2026 09 AM PDT           65.43            446         +      Not Applicable
  03/23/2026 10 AM PDT           65.42            444         -      Not Applicable
  03/23/2026 11 AM PDT           65.42            444         0      Not Applicable
  03/23/2026 12 PM PDT           65.42            444         0      Not Applicable
  03/23/2026 01 PM PDT           65.44            448         +      Not Applicable
  03/23/2026 02 PM PDT           65.44            448         0      Not Applicable
  03/23/2026 03 PM PDT           65.43            446         -      Not Applicable
  03/23/2026 04 PM PDT           65.42            444         -      Not Applicable
  03/23/2026 05 PM PDT           65.42            444         0      Not Applicable
  03/23/2026 06 PM PDT           65.43            446         +      Not Applicable
  03/23/2026 07 PM PDT           65.42            444         -      Not Applicable
  03/23/2026 08 PM PDT           65.43            446         +      Not Applicable
  03/23/2026 09 PM PDT           65.43            446         0      Not Applicable
  03/23/2026 10 PM PDT           65.42            444         -      Not Applicable
  03/23/2026 11 PM PDT           65.44            448         +      Not Applicable
  03/24/2026 12 AM PDT           65.43            446         -      Not Applicable
  03/24/2026 01 AM PDT           65.44            448         +      Not Applicable
  03/24/2026 02 AM PDT           65.44            448         0      Not Applicable
  03/24/2026 03 AM PDT           65.44            448         0      Not Applicable
  03/24/2026 04 AM PDT           65.44            448         0      Not Applicable
  03/24/2026 05 AM PDT           65.44            448         0      Not Applicable
  03/24/2026 06 AM PDT           65.44            448         0      Not Applicable
  03/24/2026 07 AM PDT           65.44            448         0      Not Applicable
  03/24/2026 08 AM PDT           65.44            448         0      Not Applicable
  03/24/2026 09 AM PDT           65.44            448         0      Not Applicable
  03/24/2026 10 AM PDT           65.44            448         0      Not Applicable
  03/24/2026 11 AM PDT           65.44            448         0      Not Applicable
  03/24/2026 12 PM PDT           65.44            448         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/24/2026 01 PM PDT           65.45            450                Not Applicable
  03/24/2026 02 PM PDT           65.45            450         0      Not Applicable
  03/24/2026 03 PM PDT           65.45            450         0      Not Applicable
  03/24/2026 04 PM PDT           65.45            450         0      Not Applicable
  03/24/2026 05 PM PDT           65.45            450         0      Not Applicable
  03/24/2026 06 PM PDT           65.45            450         0      Not Applicable
  03/24/2026 07 PM PDT           65.46            452         +      Not Applicable
  03/24/2026 08 PM PDT           65.46            452         0      Not Applicable
  03/24/2026 09 PM PDT           65.47            454         +      Not Applicable
  03/24/2026 10 PM PDT           65.47            454         0      Not Applicable
  03/24/2026 11 PM PDT           65.47            454         0      Not Applicable
  03/25/2026 12 AM PDT           65.47            454         0      Not Applicable
  03/25/2026 01 AM PDT           65.47            454         0      Not Applicable
  03/25/2026 02 AM PDT           65.47            454         0      Not Applicable
  03/25/2026 03 AM PDT           65.48            456         +      Not Applicable
  03/25/2026 04 AM PDT           65.48            456         0      Not Applicable
  03/25/2026 05 AM PDT           65.48            456         0      Not Applicable
  03/25/2026 06 AM PDT           65.49            458         +      Not Applicable
  03/25/2026 07 AM PDT           65.49            458         0      Not Applicable
  03/25/2026 08 AM PDT           65.50            460         +      Not Applicable
  03/25/2026 09 AM PDT           65.50            460         0      Not Applicable
  03/25/2026 10 AM PDT           65.51            462         +      Not Applicable
  03/25/2026 11 AM PDT           65.51            462         0      Not Applicable
  03/25/2026 12 PM PDT           65.52            464         +      Not Applicable
  03/25/2026 01 PM PDT           65.52            464         0      Not Applicable
  03/25/2026 02 PM PDT           65.52            464         0      Not Applicable
  03/25/2026 03 PM PDT           65.53            466         +      Not Applicable
  03/25/2026 04 PM PDT           65.53            466         0      Not Applicable
  03/25/2026 05 PM PDT           65.54            468         +      Not Applicable
  03/25/2026 06 PM PDT           65.54            468         0      Not Applicable
  03/25/2026 07 PM PDT           65.55            470         +      Not Applicable
  03/25/2026 08 PM PDT           65.55            470         0      Not Applicable
  03/25/2026 09 PM PDT           65.56            472         +      Not Applicable
  03/25/2026 10 PM PDT           65.56            472         0      Not Applicable
  03/25/2026 11 PM PDT           65.57            474         +      Not Applicable
  03/26/2026 12 AM PDT           65.57            474         0      Not Applicable
  03/26/2026 01 AM PDT           65.58            476         +      Not Applicable
  03/26/2026 02 AM PDT           65.58            476         0      Not Applicable
  03/26/2026 03 AM PDT           65.58            476         0      Not Applicable
  03/26/2026 04 AM PDT           65.59            478         +      Not Applicable
  03/26/2026 05 AM PDT           65.59            478         0      Not Applicable
  03/26/2026 06 AM PDT           65.60            480         +      Not Applicable
  03/26/2026 07 AM PDT           65.60            480         0      Not Applicable
  03/26/2026 08 AM PDT           65.61            482         +      Not Applicable
  03/26/2026 09 AM PDT           65.61            482         0      Not Applicable
  03/26/2026 10 AM PDT           65.61            482         0      Not Applicable
  03/26/2026 11 AM PDT           65.61            482         0      Not Applicable
  03/26/2026 12 PM PDT           65.62            485         +      Not Applicable
  03/26/2026 01 PM PDT           65.62            485         0      Not Applicable
  03/26/2026 02 PM PDT           65.62            485         0      Not Applicable
  03/26/2026 03 PM PDT           65.63            487         +      Not Applicable
  03/26/2026 04 PM PDT           65.63            487         0      Not Applicable
  03/26/2026 05 PM PDT           65.63            487         0      Not Applicable
  03/26/2026 06 PM PDT           65.64            489         +      Not Applicable
  03/26/2026 07 PM PDT           65.64            489         0      Not Applicable
  03/26/2026 08 PM PDT           65.64            489         0      Not Applicable
  03/26/2026 09 PM PDT           65.64            489         0      Not Applicable
  03/26/2026 10 PM PDT           65.65            491         +      Not Applicable
  03/26/2026 11 PM PDT           65.65            491         0      Not Applicable
  03/27/2026 12 AM PDT           65.65            491         0      Not Applicable
  03/27/2026 01 AM PDT           65.66            493         +      Not Applicable
  03/27/2026 02 AM PDT           65.66            493         0      Not Applicable
  03/27/2026 03 AM PDT           65.66            493         0      Not Applicable
  03/27/2026 04 AM PDT           65.66            493         0      Not Applicable
  03/27/2026 05 AM PDT           65.67            495         +      Not Applicable
  03/27/2026 06 AM PDT           65.67            495         0      Not Applicable
  03/27/2026 07 AM PDT           65.67            495         0      Not Applicable
  03/27/2026 08 AM PDT           65.67            495         0      Not Applicable
  03/27/2026 09 AM PDT           65.68            497         +      Not Applicable
  03/27/2026 10 AM PDT           65.68            497         0      Not Applicable
  03/27/2026 11 AM PDT           65.68            497         0      Not Applicable
  03/27/2026 12 PM PDT           65.68            497         0      Not Applicable
  03/27/2026 01 PM PDT           65.69            499         +      Not Applicable
  03/27/2026 02 PM PDT           65.69            499         0      Not Applicable
  03/27/2026 03 PM PDT           65.69            499         0      Not Applicable
  03/27/2026 04 PM PDT           65.69            499         0      Not Applicable
  03/27/2026 05 PM PDT           65.69            499         0      Not Applicable
  03/27/2026 06 PM PDT           65.70            501         +      Not Applicable
  03/27/2026 07 PM PDT           65.70            501         0      Not Applicable
  03/27/2026 08 PM PDT           65.70            501         0      Not Applicable
  03/27/2026 09 PM PDT           65.70            501         0      Not Applicable
  03/27/2026 10 PM PDT           65.70            501         0      Not Applicable
  03/27/2026 11 PM PDT           65.70            501         0      Not Applicable
  03/28/2026 12 AM PDT           65.70            501         0      Not Applicable
  03/28/2026 01 AM PDT           65.71            504         +      Not Applicable
  03/28/2026 02 AM PDT           65.71            504         0      Not Applicable
  03/28/2026 03 AM PDT           65.71            504         0      Not Applicable
  03/28/2026 04 AM PDT           65.71            504         0      Not Applicable
  03/28/2026 05 AM PDT           65.71            504         0      Not Applicable
  03/28/2026 06 AM PDT           65.71            504         0      Not Applicable
  03/28/2026 07 AM PDT           65.72            506         +      Not Applicable
  03/28/2026 08 AM PDT           65.72            506         0      Not Applicable
  03/28/2026 09 AM PDT           65.72            506         0      Not Applicable
  03/28/2026 10 AM PDT           65.72            506         0      Not Applicable
  03/28/2026 11 AM PDT           65.72            506         0      Not Applicable
  03/28/2026 12 PM PDT           65.72            506         0      Not Applicable
  03/28/2026 01 PM PDT           65.72            506         0      Not Applicable
  03/28/2026 02 PM PDT           65.72            506         0      Not Applicable
  03/28/2026 03 PM PDT           65.73            508         +      Not Applicable
  03/28/2026 04 PM PDT           65.73            508         0      Not Applicable
  03/28/2026 05 PM PDT           65.73            508         0      Not Applicable
  03/28/2026 06 PM PDT           65.73            508         0      Not Applicable
  03/28/2026 07 PM PDT           65.73            508         0      Not Applicable
  03/28/2026 08 PM PDT           65.73            508         0      Not Applicable
  03/28/2026 09 PM PDT           65.73            508         0      Not Applicable
  03/28/2026 10 PM PDT           65.73            508         0      Not Applicable
  03/28/2026 11 PM PDT           65.73            508         0      Not Applicable
  03/29/2026 12 AM PDT           65.74            510         +      Not Applicable
  03/29/2026 01 AM PDT           65.74            510         0      Not Applicable
  03/29/2026 02 AM PDT           65.74            510         0      Not Applicable
  03/29/2026 03 AM PDT           65.74            510         0      Not Applicable
  03/29/2026 04 AM PDT           65.74            510         0      Not Applicable
  03/29/2026 05 AM PDT           65.74            510         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.