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: Jun 05 2026 at 8:06 AM PDTNext Issuance: Jun 06 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:  06/05/2026 at 08:08 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/31/2026 at 10:00 AM PDT
# Maximum Observed Stage:                       63.26 Feet
# Maximum Observed Flow:                        176 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/10/2026 at 05:00 AM PDT
# Maximum Forecast Stage:                       63.69 Feet
# Maximum Forecast Flow:                        215 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/31/2026 08 AM PDT           63.26            176                Not Applicable
  05/31/2026 09 AM PDT           63.26            176         0      Not Applicable
  05/31/2026 10 AM PDT           63.26            176         0      Not Applicable
  05/31/2026 11 AM PDT           63.25            175         -      Not Applicable
  05/31/2026 12 PM PDT           63.23            174         -      Not Applicable
  05/31/2026 01 PM PDT           63.23            174         0      Not Applicable
  05/31/2026 02 PM PDT           63.21            172         -      Not Applicable
  05/31/2026 03 PM PDT           63.21            172         0      Not Applicable
  05/31/2026 04 PM PDT           63.20            171         -      Not Applicable
  05/31/2026 05 PM PDT           63.19            170         -      Not Applicable
  05/31/2026 06 PM PDT           63.19            170         0      Not Applicable
  05/31/2026 07 PM PDT           63.19            170         0      Not Applicable
  05/31/2026 08 PM PDT           63.17            169         -      Not Applicable
  05/31/2026 09 PM PDT           63.16            168         -      Not Applicable
  05/31/2026 10 PM PDT           63.16            168         0      Not Applicable
  05/31/2026 11 PM PDT           63.15            167         -      Not Applicable
  06/01/2026 12 AM PDT           63.14            166         -      Not Applicable
  06/01/2026 01 AM PDT           63.14            166         0      Not Applicable
  06/01/2026 02 AM PDT           63.13            165         -      Not Applicable
  06/01/2026 03 AM PDT           63.13            165         0      Not Applicable
  06/01/2026 04 AM PDT           63.11            164         -      Not Applicable
  06/01/2026 05 AM PDT           63.10            163         -      Not Applicable
  06/01/2026 06 AM PDT           63.09            162         -      Not Applicable
  06/01/2026 07 AM PDT           63.09            162         0      Not Applicable
  06/01/2026 08 AM PDT           63.08            161         -      Not Applicable
  06/01/2026 09 AM PDT           63.07            160         -      Not Applicable
  06/01/2026 10 AM PDT           63.07            160         0      Not Applicable
  06/01/2026 11 AM PDT           63.07            160         0      Not Applicable
  06/01/2026 12 PM PDT           63.00            155         -      Not Applicable
  06/01/2026 01 PM PDT           62.99            154         -      Not Applicable
  06/01/2026 02 PM PDT           62.97            152         -      Not Applicable
  06/01/2026 03 PM PDT           62.97            152         0      Not Applicable
  06/01/2026 04 PM PDT           62.95            151         -      Not Applicable
  06/01/2026 05 PM PDT           62.94            150         -      Not Applicable
  06/01/2026 06 PM PDT           62.93            149         -      Not Applicable
  06/01/2026 07 PM PDT           62.93            149         0      Not Applicable
  06/01/2026 08 PM PDT           62.92            148         -      Not Applicable
  06/01/2026 09 PM PDT           62.90            147         -      Not Applicable
  06/01/2026 10 PM PDT           62.90            147         0      Not Applicable
  06/01/2026 11 PM PDT           62.89            146         -      Not Applicable
  06/02/2026 12 AM PDT           62.88            145         -      Not Applicable
  06/02/2026 01 AM PDT           62.87            144         -      Not Applicable
  06/02/2026 02 AM PDT           62.87            144         0      Not Applicable
  06/02/2026 03 AM PDT           62.87            144         0      Not Applicable
  06/02/2026 04 AM PDT           62.85            143         -      Not Applicable
  06/02/2026 05 AM PDT           62.84            142         -      Not Applicable
  06/02/2026 06 AM PDT           62.84            142         0      Not Applicable
  06/02/2026 07 AM PDT           62.84            142         0      Not Applicable
  06/02/2026 08 AM PDT           62.84            142         0      Not Applicable
  06/02/2026 09 AM PDT           62.83            141         -      Not Applicable
  06/02/2026 10 AM PDT           62.83            141         0      Not Applicable
  06/02/2026 11 AM PDT           62.81            140         -      Not Applicable
  06/02/2026 12 PM PDT           62.81            140         0      Not Applicable
  06/02/2026 01 PM PDT           62.80            139         -      Not Applicable
  06/02/2026 02 PM PDT           62.79            138         -      Not Applicable
  06/02/2026 03 PM PDT           62.78            137         -      Not Applicable
  06/02/2026 04 PM PDT           62.78            137         0      Not Applicable
  06/02/2026 05 PM PDT           62.76            136         -      Not Applicable
  06/02/2026 06 PM PDT           62.75            135         -      Not Applicable
  06/02/2026 07 PM PDT           62.73            134         -      Not Applicable
  06/02/2026 08 PM PDT           62.73            134         0      Not Applicable
  06/02/2026 09 PM PDT           62.72            133         -      Not Applicable
  06/02/2026 10 PM PDT           62.71            132         -      Not Applicable
  06/02/2026 11 PM PDT           62.71            132         0      Not Applicable
  06/03/2026 12 AM PDT           62.69            131         -      Not Applicable
  06/03/2026 01 AM PDT           62.69            131         0      Not Applicable
  06/03/2026 02 AM PDT           62.68            130         -      Not Applicable
  06/03/2026 03 AM PDT           62.68            130         0      Not Applicable
  06/03/2026 04 AM PDT           62.67            129         -      Not Applicable
  06/03/2026 05 AM PDT           62.65            128         -      Not Applicable
  06/03/2026 06 AM PDT           62.65            128         0      Not Applicable
  06/03/2026 07 AM PDT           62.65            128         0      Not Applicable
  06/03/2026 08 AM PDT           62.64            127         -      Not Applicable
  06/03/2026 09 AM PDT           62.64            127         0      Not Applicable
  06/03/2026 10 AM PDT           62.63            126         -      Not Applicable
  06/03/2026 11 AM PDT           62.63            126         0      Not Applicable
  06/03/2026 12 PM PDT           62.61            125         -      Not Applicable
  06/03/2026 01 PM PDT           62.61            125         0      Not Applicable
  06/03/2026 02 PM PDT           62.61            125         0      Not Applicable
  06/03/2026 03 PM PDT           62.61            125         0      Not Applicable
  06/03/2026 04 PM PDT           62.60            124         -      Not Applicable
  06/03/2026 05 PM PDT           62.59            123         -      Not Applicable
  06/03/2026 06 PM PDT           62.59            123         0      Not Applicable
  06/03/2026 07 PM PDT           62.59            123         0      Not Applicable
  06/03/2026 08 PM PDT           62.59            123         0      Not Applicable
  06/03/2026 09 PM PDT           62.57            122         -      Not Applicable
  06/03/2026 10 PM PDT           62.57            122         0      Not Applicable
  06/03/2026 11 PM PDT           62.57            122         0      Not Applicable
  06/04/2026 12 AM PDT           62.57            122         0      Not Applicable
  06/04/2026 01 AM PDT           62.57            122         0      Not Applicable
  06/04/2026 02 AM PDT           62.57            122         0      Not Applicable
  06/04/2026 03 AM PDT           62.57            122         0      Not Applicable
  06/04/2026 04 AM PDT           62.57            122         0      Not Applicable
  06/04/2026 05 AM PDT           62.57            122         0      Not Applicable
  06/04/2026 06 AM PDT           62.57            122         0      Not Applicable
  06/04/2026 07 AM PDT           62.57            122         0      Not Applicable
  06/04/2026 08 AM PDT           62.57            122         0      Not Applicable
  06/04/2026 09 AM PDT           62.59            123         +      Not Applicable
  06/04/2026 10 AM PDT           62.57            122         -      Not Applicable
  06/04/2026 11 AM PDT           62.59            123         +      Not Applicable
  06/04/2026 12 PM PDT           62.59            123         0      Not Applicable
  06/04/2026 01 PM PDT           62.59            123         0      Not Applicable
  06/04/2026 02 PM PDT           62.57            122         -      Not Applicable
  06/04/2026 03 PM PDT           62.57            122         0      Not Applicable
  06/04/2026 04 PM PDT           62.57            122         0      Not Applicable
  06/04/2026 05 PM PDT           62.57            122         0      Not Applicable
  06/04/2026 06 PM PDT           62.56            121         -      Not Applicable
  06/04/2026 07 PM PDT           62.57            122         +      Not Applicable
  06/04/2026 08 PM PDT           62.57            122         0      Not Applicable
  06/04/2026 09 PM PDT           62.56            121         -      Not Applicable
  06/04/2026 10 PM PDT           62.54            120         -      Not Applicable
  06/04/2026 11 PM PDT           62.54            120         0      Not Applicable
  06/05/2026 12 AM PDT           62.54            120         0      Not Applicable
  06/05/2026 01 AM PDT           62.54            120         0      Not Applicable
  06/05/2026 02 AM PDT           62.54            120         0      Not Applicable
  06/05/2026 03 AM PDT           62.54            120         0      Not Applicable
  06/05/2026 04 AM PDT           62.54            120         0      Not Applicable
  06/05/2026 05 AM PDT           62.54            120         0      Not Applicable
  06/05/2026 06 AM PDT           62.56            121         +      Not Applicable
  06/05/2026 07 AM PDT           62.59            123         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/05/2026 08 AM PDT           62.60            124                Not Applicable
  06/05/2026 09 AM PDT           62.63            126         +      Not Applicable
  06/05/2026 10 AM PDT           62.64            127         +      Not Applicable
  06/05/2026 11 AM PDT           62.67            129         +      Not Applicable
  06/05/2026 12 PM PDT           62.68            130         +      Not Applicable
  06/05/2026 01 PM PDT           62.71            132         +      Not Applicable
  06/05/2026 02 PM PDT           62.72            133         +      Not Applicable
  06/05/2026 03 PM PDT           62.74            134         +      Not Applicable
  06/05/2026 04 PM PDT           62.76            136         +      Not Applicable
  06/05/2026 05 PM PDT           62.78            137         +      Not Applicable
  06/05/2026 06 PM PDT           62.80            139         +      Not Applicable
  06/05/2026 07 PM PDT           62.82            141         +      Not Applicable
  06/05/2026 08 PM PDT           62.85            143         +      Not Applicable
  06/05/2026 09 PM PDT           62.87            144         +      Not Applicable
  06/05/2026 10 PM PDT           62.89            146         +      Not Applicable
  06/05/2026 11 PM PDT           62.92            148         +      Not Applicable
  06/06/2026 12 AM PDT           62.94            150         +      Not Applicable
  06/06/2026 01 AM PDT           62.96            152         +      Not Applicable
  06/06/2026 02 AM PDT           62.99            154         +      Not Applicable
  06/06/2026 03 AM PDT           63.01            156         +      Not Applicable
  06/06/2026 04 AM PDT           63.03            157         +      Not Applicable
  06/06/2026 05 AM PDT           63.05            159         +      Not Applicable
  06/06/2026 06 AM PDT           63.07            160         +      Not Applicable
  06/06/2026 07 AM PDT           63.09            162         +      Not Applicable
  06/06/2026 08 AM PDT           63.10            163         +      Not Applicable
  06/06/2026 09 AM PDT           63.12            165         +      Not Applicable
  06/06/2026 10 AM PDT           63.14            166         +      Not Applicable
  06/06/2026 11 AM PDT           63.15            167         +      Not Applicable
  06/06/2026 12 PM PDT           63.16            168         +      Not Applicable
  06/06/2026 01 PM PDT           63.17            169         +      Not Applicable
  06/06/2026 02 PM PDT           63.20            171         +      Not Applicable
  06/06/2026 03 PM PDT           63.21            172         +      Not Applicable
  06/06/2026 04 PM PDT           63.22            173         +      Not Applicable
  06/06/2026 05 PM PDT           63.23            174         +      Not Applicable
  06/06/2026 06 PM PDT           63.24            175         +      Not Applicable
  06/06/2026 07 PM PDT           63.26            176         +      Not Applicable
  06/06/2026 08 PM PDT           63.27            177         +      Not Applicable
  06/06/2026 09 PM PDT           63.28            178         +      Not Applicable
  06/06/2026 10 PM PDT           63.29            179         +      Not Applicable
  06/06/2026 11 PM PDT           63.30            180         +      Not Applicable
  06/07/2026 12 AM PDT           63.30            180         0      Not Applicable
  06/07/2026 01 AM PDT           63.32            181         +      Not Applicable
  06/07/2026 02 AM PDT           63.33            182         +      Not Applicable
  06/07/2026 03 AM PDT           63.34            183         +      Not Applicable
  06/07/2026 04 AM PDT           63.34            183         0      Not Applicable
  06/07/2026 05 AM PDT           63.35            184         +      Not Applicable
  06/07/2026 06 AM PDT           63.36            185         +      Not Applicable
  06/07/2026 07 AM PDT           63.37            186         +      Not Applicable
  06/07/2026 08 AM PDT           63.37            186         0      Not Applicable
  06/07/2026 09 AM PDT           63.38            187         +      Not Applicable
  06/07/2026 10 AM PDT           63.39            188         +      Not Applicable
  06/07/2026 11 AM PDT           63.40            188         +      Not Applicable
  06/07/2026 12 PM PDT           63.41            189         +      Not Applicable
  06/07/2026 01 PM PDT           63.42            190         +      Not Applicable
  06/07/2026 02 PM PDT           63.42            190         0      Not Applicable
  06/07/2026 03 PM PDT           63.43            191         +      Not Applicable
  06/07/2026 04 PM PDT           63.43            191         0      Not Applicable
  06/07/2026 05 PM PDT           63.44            192         +      Not Applicable
  06/07/2026 06 PM PDT           63.45            193         +      Not Applicable
  06/07/2026 07 PM PDT           63.45            193         0      Not Applicable
  06/07/2026 08 PM PDT           63.46            194         +      Not Applicable
  06/07/2026 09 PM PDT           63.46            194         0      Not Applicable
  06/07/2026 10 PM PDT           63.47            195         +      Not Applicable
  06/07/2026 11 PM PDT           63.47            195         0      Not Applicable
  06/08/2026 12 AM PDT           63.48            196         +      Not Applicable
  06/08/2026 01 AM PDT           63.49            196         +      Not Applicable
  06/08/2026 02 AM PDT           63.50            197         +      Not Applicable
  06/08/2026 03 AM PDT           63.50            197         0      Not Applicable
  06/08/2026 04 AM PDT           63.51            198         +      Not Applicable
  06/08/2026 05 AM PDT           63.51            198         0      Not Applicable
  06/08/2026 06 AM PDT           63.52            199         +      Not Applicable
  06/08/2026 07 AM PDT           63.52            199         0      Not Applicable
  06/08/2026 08 AM PDT           63.52            199         0      Not Applicable
  06/08/2026 09 AM PDT           63.53            200         +      Not Applicable
  06/08/2026 10 AM PDT           63.53            200         0      Not Applicable
  06/08/2026 11 AM PDT           63.54            201         +      Not Applicable
  06/08/2026 12 PM PDT           63.54            201         0      Not Applicable
  06/08/2026 01 PM PDT           63.55            202         +      Not Applicable
  06/08/2026 02 PM PDT           63.55            202         0      Not Applicable
  06/08/2026 03 PM PDT           63.55            202         0      Not Applicable
  06/08/2026 04 PM PDT           63.56            203         +      Not Applicable
  06/08/2026 05 PM PDT           63.56            203         0      Not Applicable
  06/08/2026 06 PM PDT           63.56            203         0      Not Applicable
  06/08/2026 07 PM PDT           63.57            204         +      Not Applicable
  06/08/2026 08 PM PDT           63.58            204         +      Not Applicable
  06/08/2026 09 PM PDT           63.59            205         +      Not Applicable
  06/08/2026 10 PM PDT           63.59            205         0      Not Applicable
  06/08/2026 11 PM PDT           63.59            205         0      Not Applicable
  06/09/2026 12 AM PDT           63.60            206         +      Not Applicable
  06/09/2026 01 AM PDT           63.60            206         0      Not Applicable
  06/09/2026 02 AM PDT           63.60            206         0      Not Applicable
  06/09/2026 03 AM PDT           63.61            207         +      Not Applicable
  06/09/2026 04 AM PDT           63.61            207         0      Not Applicable
  06/09/2026 05 AM PDT           63.61            207         0      Not Applicable
  06/09/2026 06 AM PDT           63.62            208         +      Not Applicable
  06/09/2026 07 AM PDT           63.62            208         0      Not Applicable
  06/09/2026 08 AM PDT           63.62            208         0      Not Applicable
  06/09/2026 09 AM PDT           63.63            209         +      Not Applicable
  06/09/2026 10 AM PDT           63.63            209         0      Not Applicable
  06/09/2026 11 AM PDT           63.63            209         0      Not Applicable
  06/09/2026 12 PM PDT           63.64            210         +      Not Applicable
  06/09/2026 01 PM PDT           63.64            210         0      Not Applicable
  06/09/2026 02 PM PDT           63.64            210         0      Not Applicable
  06/09/2026 03 PM PDT           63.65            211         +      Not Applicable
  06/09/2026 04 PM PDT           63.65            211         0      Not Applicable
  06/09/2026 05 PM PDT           63.65            211         0      Not Applicable
  06/09/2026 06 PM PDT           63.66            212         +      Not Applicable
  06/09/2026 07 PM PDT           63.66            212         0      Not Applicable
  06/09/2026 08 PM PDT           63.66            212         0      Not Applicable
  06/09/2026 09 PM PDT           63.66            212         0      Not Applicable
  06/09/2026 10 PM PDT           63.67            213         +      Not Applicable
  06/09/2026 11 PM PDT           63.67            213         0      Not Applicable
  06/10/2026 12 AM PDT           63.67            213         0      Not Applicable
  06/10/2026 01 AM PDT           63.67            213         0      Not Applicable
  06/10/2026 02 AM PDT           63.68            214         +      Not Applicable
  06/10/2026 03 AM PDT           63.68            214         0      Not Applicable
  06/10/2026 04 AM PDT           63.68            214         0      Not Applicable
  06/10/2026 05 AM PDT           63.69            215         +      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.