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: Jul 17 2026 at 7:55 AM PDTNext Issuance: Jul 18 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:  07/17/2026 at 07:57 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  07/12/2026 at 01:00 PM PDT
# Maximum Observed Stage:                       60.93 Feet
# Maximum Observed Flow:                        36 cfs
#
# Earliest Date & Time of Maximum Forecast:     07/17/2026 at 05:00 PM PDT
# Maximum Forecast Stage:                       60.73 Feet
# Maximum Forecast Flow:                        28 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  07/12/2026 07 AM PDT           60.93             36                Not Applicable
  07/12/2026 08 AM PDT           60.93             36         0      Not Applicable
  07/12/2026 09 AM PDT           60.93             36         0      Not Applicable
  07/12/2026 10 AM PDT           60.93             36         0      Not Applicable
  07/12/2026 11 AM PDT           60.93             36         0      Not Applicable
  07/12/2026 12 PM PDT           60.93             36         0      Not Applicable
  07/12/2026 01 PM PDT           60.93             36         0      Not Applicable
  07/12/2026 02 PM PDT           60.91             35         -      Not Applicable
  07/12/2026 03 PM PDT           60.91             35         0      Not Applicable
  07/12/2026 04 PM PDT           60.91             35         0      Not Applicable
  07/12/2026 05 PM PDT           60.91             35         0      Not Applicable
  07/12/2026 06 PM PDT           60.91             35         0      Not Applicable
  07/12/2026 07 PM PDT           60.91             35         0      Not Applicable
  07/12/2026 08 PM PDT           60.91             35         0      Not Applicable
  07/12/2026 09 PM PDT           60.88             34         -      Not Applicable
  07/12/2026 10 PM PDT           60.88             34         0      Not Applicable
  07/12/2026 11 PM PDT           60.88             34         0      Not Applicable
  07/13/2026 12 AM PDT           60.88             34         0      Not Applicable
  07/13/2026 01 AM PDT           60.88             34         0      Not Applicable
  07/13/2026 02 AM PDT           60.88             34         0      Not Applicable
  07/13/2026 03 AM PDT           60.85             33         -      Not Applicable
  07/13/2026 04 AM PDT           60.85             33         0      Not Applicable
  07/13/2026 05 AM PDT           60.85             33         0      Not Applicable
  07/13/2026 06 AM PDT           60.85             33         0      Not Applicable
  07/13/2026 07 AM PDT           60.85             33         0      Not Applicable
  07/13/2026 08 AM PDT           60.85             33         0      Not Applicable
  07/13/2026 09 AM PDT           60.85             33         0      Not Applicable
  07/13/2026 10 AM PDT           60.85             33         0      Not Applicable
  07/13/2026 11 AM PDT           60.85             33         0      Not Applicable
  07/13/2026 12 PM PDT           60.85             33         0      Not Applicable
  07/13/2026 01 PM PDT           60.82             32         -      Not Applicable
  07/13/2026 02 PM PDT           60.82             32         0      Not Applicable
  07/13/2026 03 PM PDT           60.82             32         0      Not Applicable
  07/13/2026 04 PM PDT           60.82             32         0      Not Applicable
  07/13/2026 05 PM PDT           60.82             32         0      Not Applicable
  07/13/2026 06 PM PDT           60.82             32         0      Not Applicable
  07/13/2026 07 PM PDT           60.79             31         -      Not Applicable
  07/13/2026 08 PM PDT           60.79             31         0      Not Applicable
  07/13/2026 09 PM PDT           60.79             31         0      Not Applicable
  07/13/2026 10 PM PDT           60.79             31         0      Not Applicable
  07/13/2026 11 PM PDT           60.82             32         +      Not Applicable
  07/14/2026 12 AM PDT           60.82             32         0      Not Applicable
  07/14/2026 01 AM PDT           60.82             32         0      Not Applicable
  07/14/2026 02 AM PDT           60.82             32         0      Not Applicable
  07/14/2026 03 AM PDT           60.82             32         0      Not Applicable
  07/14/2026 04 AM PDT           60.82             32         0      Not Applicable
  07/14/2026 05 AM PDT           60.82             32         0      Not Applicable
  07/14/2026 06 AM PDT           60.82             32         0      Not Applicable
  07/14/2026 07 AM PDT           60.82             32         0      Not Applicable
  07/14/2026 08 AM PDT           60.82             32         0      Not Applicable
  07/14/2026 09 AM PDT           60.82             32         0      Not Applicable
  07/14/2026 10 AM PDT           60.82             32         0      Not Applicable
  07/14/2026 11 AM PDT           60.82             32         0      Not Applicable
  07/14/2026 12 PM PDT           60.82             32         0      Not Applicable
  07/14/2026 01 PM PDT           60.82             32         0      Not Applicable
  07/14/2026 02 PM PDT           60.82             32         0      Not Applicable
  07/14/2026 03 PM PDT           60.82             32         0      Not Applicable
  07/14/2026 04 PM PDT           60.79             31         -      Not Applicable
  07/14/2026 05 PM PDT           60.79             31         0      Not Applicable
  07/14/2026 06 PM PDT           60.79             31         0      Not Applicable
  07/14/2026 07 PM PDT           60.79             31         0      Not Applicable
  07/14/2026 08 PM PDT           60.79             31         0      Not Applicable
  07/14/2026 09 PM PDT           60.77             30         -      Not Applicable
  07/14/2026 10 PM PDT           60.77             30         0      Not Applicable
  07/14/2026 11 PM PDT           60.77             30         0      Not Applicable
  07/15/2026 12 AM PDT           60.77             30         0      Not Applicable
  07/15/2026 01 AM PDT           60.74             29         -      Not Applicable
  07/15/2026 02 AM PDT           60.74             29         0      Not Applicable
  07/15/2026 03 AM PDT           60.74             29         0      Not Applicable
  07/15/2026 04 AM PDT           60.74             29         0      Not Applicable
  07/15/2026 05 AM PDT           60.74             29         0      Not Applicable
  07/15/2026 06 AM PDT           60.74             29         0      Not Applicable
  07/15/2026 07 AM PDT           60.74             29         0      Not Applicable
  07/15/2026 08 AM PDT           60.74             29         0      Not Applicable
  07/15/2026 09 AM PDT           60.74             29         0      Not Applicable
  07/15/2026 10 AM PDT           60.74             29         0      Not Applicable
  07/15/2026 11 AM PDT           60.74             29         0      Not Applicable
  07/15/2026 12 PM PDT           60.74             29         0      Not Applicable
  07/15/2026 01 PM PDT           60.71             28         -      Not Applicable
  07/15/2026 02 PM PDT           60.71             28         0      Not Applicable
  07/15/2026 03 PM PDT           60.71             28         0      Not Applicable
  07/15/2026 04 PM PDT           60.68             27         -      Not Applicable
  07/15/2026 05 PM PDT           60.68             27         0      Not Applicable
  07/15/2026 06 PM PDT           60.68             27         0      Not Applicable
  07/15/2026 07 PM PDT           60.68             27         0      Not Applicable
  07/15/2026 08 PM PDT           60.65             26         -      Not Applicable
  07/15/2026 09 PM PDT           60.65             26         0      Not Applicable
  07/15/2026 10 PM PDT           60.65             26         0      Not Applicable
  07/15/2026 11 PM PDT           60.65             26         0      Not Applicable
  07/16/2026 12 AM PDT           60.65             26         0      Not Applicable
  07/16/2026 01 AM PDT           60.65             26         0      Not Applicable
  07/16/2026 02 AM PDT           60.65             26         0      Not Applicable
  07/16/2026 03 AM PDT           60.65             26         0      Not Applicable
  07/16/2026 04 AM PDT           60.65             26         0      Not Applicable
  07/16/2026 05 AM PDT           60.65             26         0      Not Applicable
  07/16/2026 06 AM PDT           60.65             26         0      Not Applicable
  07/16/2026 07 AM PDT           60.65             26         0      Not Applicable
  07/16/2026 08 AM PDT           60.65             26         0      Not Applicable
  07/16/2026 09 AM PDT           60.65             26         0      Not Applicable
  07/16/2026 10 AM PDT           60.65             26         0      Not Applicable
  07/16/2026 11 AM PDT           60.65             26         0      Not Applicable
  07/16/2026 12 PM PDT           60.65             26         0      Not Applicable
  07/16/2026 01 PM PDT           60.65             26         0      Not Applicable
  07/16/2026 02 PM PDT           60.65             26         0      Not Applicable
  07/16/2026 03 PM PDT           60.62             25         -      Not Applicable
  07/16/2026 04 PM PDT           60.62             25         0      Not Applicable
  07/16/2026 05 PM PDT           60.62             25         0      Not Applicable
  07/16/2026 06 PM PDT           60.62             25         0      Not Applicable
  07/16/2026 07 PM PDT           60.62             25         0      Not Applicable
  07/16/2026 08 PM PDT           60.59             24         -      Not Applicable
  07/16/2026 09 PM PDT           60.59             24         0      Not Applicable
  07/16/2026 10 PM PDT           60.59             24         0      Not Applicable
  07/16/2026 11 PM PDT           60.59             24         0      Not Applicable
  07/17/2026 12 AM PDT           60.59             24         0      Not Applicable
  07/17/2026 01 AM PDT           60.59             24         0      Not Applicable
  07/17/2026 02 AM PDT           60.59             24         0      Not Applicable
  07/17/2026 03 AM PDT           60.59             24         0      Not Applicable
  07/17/2026 04 AM PDT           60.59             24         0      Not Applicable
  07/17/2026 05 AM PDT           60.59             24         0      Not Applicable
  07/17/2026 06 AM PDT           60.61             24         +      Not Applicable
  07/17/2026 07 AM PDT           60.62             25         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  07/17/2026 08 AM PDT           60.64             25                Not Applicable
  07/17/2026 09 AM PDT           60.65             26         +      Not Applicable
  07/17/2026 10 AM PDT           60.67             26         +      Not Applicable
  07/17/2026 11 AM PDT           60.68             27         +      Not Applicable
  07/17/2026 12 PM PDT           60.68             27         0      Not Applicable
  07/17/2026 01 PM PDT           60.70             27         +      Not Applicable
  07/17/2026 02 PM PDT           60.70             27         0      Not Applicable
  07/17/2026 03 PM PDT           60.71             28         +      Not Applicable
  07/17/2026 04 PM PDT           60.71             28         0      Not Applicable
  07/17/2026 05 PM PDT           60.73             28         +      Not Applicable
  07/17/2026 06 PM PDT           60.73             28         0      Not Applicable
  07/17/2026 07 PM PDT           60.71             28         -      Not Applicable
  07/17/2026 08 PM PDT           60.71             28         0      Not Applicable
  07/17/2026 09 PM PDT           60.73             28         +      Not Applicable
  07/17/2026 10 PM PDT           60.73             28         0      Not Applicable
  07/17/2026 11 PM PDT           60.73             28         0      Not Applicable
  07/18/2026 12 AM PDT           60.71             28         -      Not Applicable
  07/18/2026 01 AM PDT           60.71             28         0      Not Applicable
  07/18/2026 02 AM PDT           60.70             27         -      Not Applicable
  07/18/2026 03 AM PDT           60.70             27         0      Not Applicable
  07/18/2026 04 AM PDT           60.70             27         0      Not Applicable
  07/18/2026 05 AM PDT           60.70             27         0      Not Applicable
  07/18/2026 06 AM PDT           60.68             27         -      Not Applicable
  07/18/2026 07 AM PDT           60.68             27         0      Not Applicable
  07/18/2026 08 AM PDT           60.67             26         -      Not Applicable
  07/18/2026 09 AM PDT           60.67             26         0      Not Applicable
  07/18/2026 10 AM PDT           60.67             26         0      Not Applicable
  07/18/2026 11 AM PDT           60.67             26         0      Not Applicable
  07/18/2026 12 PM PDT           60.65             26         -      Not Applicable
  07/18/2026 01 PM PDT           60.65             26         0      Not Applicable
  07/18/2026 02 PM PDT           60.65             26         0      Not Applicable
  07/18/2026 03 PM PDT           60.65             26         0      Not Applicable
  07/18/2026 04 PM PDT           60.64             25         -      Not Applicable
  07/18/2026 05 PM PDT           60.64             25         0      Not Applicable
  07/18/2026 06 PM PDT           60.64             25         0      Not Applicable
  07/18/2026 07 PM PDT           60.64             25         0      Not Applicable
  07/18/2026 08 PM PDT           60.62             25         -      Not Applicable
  07/18/2026 09 PM PDT           60.62             25         0      Not Applicable
  07/18/2026 10 PM PDT           60.62             25         0      Not Applicable
  07/18/2026 11 PM PDT           60.62             25         0      Not Applicable
  07/19/2026 12 AM PDT           60.62             25         0      Not Applicable
  07/19/2026 01 AM PDT           60.62             25         0      Not Applicable
  07/19/2026 02 AM PDT           60.61             24         -      Not Applicable
  07/19/2026 03 AM PDT           60.61             24         0      Not Applicable
  07/19/2026 04 AM PDT           60.61             24         0      Not Applicable
  07/19/2026 05 AM PDT           60.61             24         0      Not Applicable
  07/19/2026 06 AM PDT           60.61             24         0      Not Applicable
  07/19/2026 07 AM PDT           60.61             24         0      Not Applicable
  07/19/2026 08 AM PDT           60.59             24         -      Not Applicable
  07/19/2026 09 AM PDT           60.59             24         0      Not Applicable
  07/19/2026 10 AM PDT           60.59             24         0      Not Applicable
  07/19/2026 11 AM PDT           60.59             24         0      Not Applicable
  07/19/2026 12 PM PDT           60.59             24         0      Not Applicable
  07/19/2026 01 PM PDT           60.59             24         0      Not Applicable
  07/19/2026 02 PM PDT           60.59             24         0      Not Applicable
  07/19/2026 03 PM PDT           60.58             23         -      Not Applicable
  07/19/2026 04 PM PDT           60.58             23         0      Not Applicable
  07/19/2026 05 PM PDT           60.58             23         0      Not Applicable
  07/19/2026 06 PM PDT           60.58             23         0      Not Applicable
  07/19/2026 07 PM PDT           60.58             23         0      Not Applicable
  07/19/2026 08 PM PDT           60.58             23         0      Not Applicable
  07/19/2026 09 PM PDT           60.58             23         0      Not Applicable
  07/19/2026 10 PM PDT           60.56             23         -      Not Applicable
  07/19/2026 11 PM PDT           60.56             23         0      Not Applicable
  07/20/2026 12 AM PDT           60.56             23         0      Not Applicable
  07/20/2026 01 AM PDT           60.56             23         0      Not Applicable
  07/20/2026 02 AM PDT           60.56             23         0      Not Applicable
  07/20/2026 03 AM PDT           60.56             23         0      Not Applicable
  07/20/2026 04 AM PDT           60.56             23         0      Not Applicable
  07/20/2026 05 AM PDT           60.55             22         -      Not Applicable
  07/20/2026 06 AM PDT           60.55             22         0      Not Applicable
  07/20/2026 07 AM PDT           60.55             22         0      Not Applicable
  07/20/2026 08 AM PDT           60.55             22         0      Not Applicable
  07/20/2026 09 AM PDT           60.55             22         0      Not Applicable
  07/20/2026 10 AM PDT           60.55             22         0      Not Applicable
  07/20/2026 11 AM PDT           60.55             22         0      Not Applicable
  07/20/2026 12 PM PDT           60.55             22         0      Not Applicable
  07/20/2026 01 PM PDT           60.55             22         0      Not Applicable
  07/20/2026 02 PM PDT           60.53             22         -      Not Applicable
  07/20/2026 03 PM PDT           60.53             22         0      Not Applicable
  07/20/2026 04 PM PDT           60.53             22         0      Not Applicable
  07/20/2026 05 PM PDT           60.53             22         0      Not Applicable
  07/20/2026 06 PM PDT           60.53             22         0      Not Applicable
  07/20/2026 07 PM PDT           60.53             22         0      Not Applicable
  07/20/2026 08 PM PDT           60.53             22         0      Not Applicable
  07/20/2026 09 PM PDT           60.53             22         0      Not Applicable
  07/20/2026 10 PM PDT           60.53             22         0      Not Applicable
  07/20/2026 11 PM PDT           60.52             21         -      Not Applicable
  07/21/2026 12 AM PDT           60.52             21         0      Not Applicable
  07/21/2026 01 AM PDT           60.52             21         0      Not Applicable
  07/21/2026 02 AM PDT           60.52             21         0      Not Applicable
  07/21/2026 03 AM PDT           60.52             21         0      Not Applicable
  07/21/2026 04 AM PDT           60.52             21         0      Not Applicable
  07/21/2026 05 AM PDT           60.52             21         0      Not Applicable
  07/21/2026 06 AM PDT           60.52             21         0      Not Applicable
  07/21/2026 07 AM PDT           60.52             21         0      Not Applicable
  07/21/2026 08 AM PDT           60.52             21         0      Not Applicable
  07/21/2026 09 AM PDT           60.52             21         0      Not Applicable
  07/21/2026 10 AM PDT           60.52             21         0      Not Applicable
  07/21/2026 11 AM PDT           60.50             21         -      Not Applicable
  07/21/2026 12 PM PDT           60.50             21         0      Not Applicable
  07/21/2026 01 PM PDT           60.50             21         0      Not Applicable
  07/21/2026 02 PM PDT           60.50             21         0      Not Applicable
  07/21/2026 03 PM PDT           60.50             21         0      Not Applicable
  07/21/2026 04 PM PDT           60.50             21         0      Not Applicable
  07/21/2026 05 PM PDT           60.50             21         0      Not Applicable
  07/21/2026 06 PM PDT           60.50             21         0      Not Applicable
  07/21/2026 07 PM PDT           60.50             21         0      Not Applicable
  07/21/2026 08 PM PDT           60.50             21         0      Not Applicable
  07/21/2026 09 PM PDT           60.50             21         0      Not Applicable
  07/21/2026 10 PM PDT           60.50             21         0      Not Applicable
  07/21/2026 11 PM PDT           60.50             21         0      Not Applicable
  07/22/2026 12 AM PDT           60.50             21         0      Not Applicable
  07/22/2026 01 AM PDT           60.50             21         0      Not Applicable
  07/22/2026 02 AM PDT           60.50             21         0      Not Applicable
  07/22/2026 03 AM PDT           60.50             21         0      Not Applicable
  07/22/2026 04 AM PDT           60.50             21         0      Not Applicable
  07/22/2026 05 AM PDT           60.50             21         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.