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: May 29 2026 at 7:45 AM PDTNext Issuance: May 30 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:  05/29/2026 at 07:47 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/29/2026 at 07:00 AM PDT
# Maximum Observed Stage:                       63.33 Feet
# Maximum Observed Flow:                        182 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/02/2026 at 09:00 AM PDT
# Maximum Forecast Stage:                       63.80 Feet
# Maximum Forecast Flow:                        225 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/24/2026 07 AM PDT           63.25            175                Not Applicable
  05/24/2026 08 AM PDT           63.25            175         0      Not Applicable
  05/24/2026 09 AM PDT           63.25            175         0      Not Applicable
  05/24/2026 10 AM PDT           63.25            175         0      Not Applicable
  05/24/2026 11 AM PDT           63.25            175         0      Not Applicable
  05/24/2026 12 PM PDT           63.25            175         0      Not Applicable
  05/24/2026 01 PM PDT           63.25            175         0      Not Applicable
  05/24/2026 02 PM PDT           63.25            175         0      Not Applicable
  05/24/2026 03 PM PDT           63.25            175         0      Not Applicable
  05/24/2026 04 PM PDT           63.25            175         0      Not Applicable
  05/24/2026 05 PM PDT           63.23            174         -      Not Applicable
  05/24/2026 06 PM PDT           63.23            174         0      Not Applicable
  05/24/2026 07 PM PDT           63.25            175         +      Not Applicable
  05/24/2026 08 PM PDT           63.25            175         0      Not Applicable
  05/24/2026 09 PM PDT           63.23            174         -      Not Applicable
  05/24/2026 10 PM PDT           63.23            174         0      Not Applicable
  05/24/2026 11 PM PDT           63.23            174         0      Not Applicable
  05/25/2026 12 AM PDT           63.23            174         0      Not Applicable
  05/25/2026 01 AM PDT           63.22            173         -      Not Applicable
  05/25/2026 02 AM PDT           63.22            173         0      Not Applicable
  05/25/2026 03 AM PDT           63.22            173         0      Not Applicable
  05/25/2026 04 AM PDT           63.22            173         0      Not Applicable
  05/25/2026 05 AM PDT           63.22            173         0      Not Applicable
  05/25/2026 06 AM PDT           63.22            173         0      Not Applicable
  05/25/2026 07 AM PDT           63.21            172         -      Not Applicable
  05/25/2026 08 AM PDT           63.21            172         0      Not Applicable
  05/25/2026 09 AM PDT           63.21            172         0      Not Applicable
  05/25/2026 10 AM PDT           63.21            172         0      Not Applicable
  05/25/2026 11 AM PDT           63.21            172         0      Not Applicable
  05/25/2026 12 PM PDT           63.21            172         0      Not Applicable
  05/25/2026 01 PM PDT           63.21            172         0      Not Applicable
  05/25/2026 02 PM PDT           63.20            171         -      Not Applicable
  05/25/2026 03 PM PDT           63.20            171         0      Not Applicable
  05/25/2026 04 PM PDT           63.20            171         0      Not Applicable
  05/25/2026 05 PM PDT           63.21            172         +      Not Applicable
  05/25/2026 06 PM PDT           63.20            171         -      Not Applicable
  05/25/2026 07 PM PDT           63.19            170         -      Not Applicable
  05/25/2026 08 PM PDT           63.19            170         0      Not Applicable
  05/25/2026 09 PM PDT           63.19            170         0      Not Applicable
  05/25/2026 10 PM PDT           63.19            170         0      Not Applicable
  05/25/2026 11 PM PDT           63.19            170         0      Not Applicable
  05/26/2026 12 AM PDT           63.19            170         0      Not Applicable
  05/26/2026 01 AM PDT           63.19            170         0      Not Applicable
  05/26/2026 02 AM PDT           63.19            170         0      Not Applicable
  05/26/2026 03 AM PDT           63.19            170         0      Not Applicable
  05/26/2026 04 AM PDT           63.19            170         0      Not Applicable
  05/26/2026 05 AM PDT           63.19            170         0      Not Applicable
  05/26/2026 06 AM PDT           63.19            170         0      Not Applicable
  05/26/2026 07 AM PDT           63.19            170         0      Not Applicable
  05/26/2026 08 AM PDT           63.19            170         0      Not Applicable
  05/26/2026 09 AM PDT           63.19            170         0      Not Applicable
  05/26/2026 10 AM PDT           63.19            170         0      Not Applicable
  05/26/2026 11 AM PDT           63.19            170         0      Not Applicable
  05/26/2026 12 PM PDT           63.19            170         0      Not Applicable
  05/26/2026 01 PM PDT           63.19            170         0      Not Applicable
  05/26/2026 02 PM PDT           63.20            171         +      Not Applicable
  05/26/2026 03 PM PDT           63.19            170         -      Not Applicable
  05/26/2026 04 PM PDT           63.19            170         0      Not Applicable
  05/26/2026 05 PM PDT           63.19            170         0      Not Applicable
  05/26/2026 06 PM PDT           63.19            170         0      Not Applicable
  05/26/2026 07 PM PDT           63.19            170         0      Not Applicable
  05/26/2026 08 PM PDT           63.19            170         0      Not Applicable
  05/26/2026 09 PM PDT           63.19            170         0      Not Applicable
  05/26/2026 10 PM PDT           63.19            170         0      Not Applicable
  05/26/2026 11 PM PDT           63.19            170         0      Not Applicable
  05/27/2026 12 AM PDT           63.19            170         0      Not Applicable
  05/27/2026 01 AM PDT           63.19            170         0      Not Applicable
  05/27/2026 02 AM PDT           63.19            170         0      Not Applicable
  05/27/2026 03 AM PDT           63.19            170         0      Not Applicable
  05/27/2026 04 AM PDT           63.19            170         0      Not Applicable
  05/27/2026 05 AM PDT           63.19            170         0      Not Applicable
  05/27/2026 06 AM PDT           63.19            170         0      Not Applicable
  05/27/2026 07 AM PDT           63.19            170         0      Not Applicable
  05/27/2026 08 AM PDT           63.19            170         0      Not Applicable
  05/27/2026 09 AM PDT           63.19            170         0      Not Applicable
  05/27/2026 10 AM PDT           63.19            170         0      Not Applicable
  05/27/2026 11 AM PDT           63.19            170         0      Not Applicable
  05/27/2026 12 PM PDT           63.19            170         0      Not Applicable
  05/27/2026 01 PM PDT           63.19            170         0      Not Applicable
  05/27/2026 02 PM PDT           63.19            170         0      Not Applicable
  05/27/2026 03 PM PDT           63.19            170         0      Not Applicable
  05/27/2026 04 PM PDT           63.20            171         +      Not Applicable
  05/27/2026 05 PM PDT           63.20            171         0      Not Applicable
  05/27/2026 06 PM PDT           63.20            171         0      Not Applicable
  05/27/2026 07 PM PDT           63.22            173         +      Not Applicable
  05/27/2026 08 PM PDT           63.22            173         0      Not Applicable
  05/27/2026 09 PM PDT           63.22            173         0      Not Applicable
  05/27/2026 10 PM PDT           63.22            173         0      Not Applicable
  05/27/2026 11 PM PDT           63.23            174         +      Not Applicable
  05/28/2026 12 AM PDT           63.23            174         0      Not Applicable
  05/28/2026 01 AM PDT           63.23            174         0      Not Applicable
  05/28/2026 02 AM PDT           63.23            174         0      Not Applicable
  05/28/2026 03 AM PDT           63.25            175         +      Not Applicable
  05/28/2026 04 AM PDT           63.25            175         0      Not Applicable
  05/28/2026 05 AM PDT           63.25            175         0      Not Applicable
  05/28/2026 06 AM PDT           63.25            175         0      Not Applicable
  05/28/2026 07 AM PDT           63.27            177         +      Not Applicable
  05/28/2026 08 AM PDT           63.28            178         +      Not Applicable
  05/28/2026 09 AM PDT           63.28            178         0      Not Applicable
  05/28/2026 10 AM PDT           63.29            179         +      Not Applicable
  05/28/2026 11 AM PDT           63.30            180         +      Not Applicable
  05/28/2026 12 PM PDT           63.30            180         0      Not Applicable
  05/28/2026 01 PM PDT           63.31            181         +      Not Applicable
  05/28/2026 02 PM PDT           63.30            180         -      Not Applicable
  05/28/2026 03 PM PDT           63.31            181         +      Not Applicable
  05/28/2026 04 PM PDT           63.31            181         0      Not Applicable
  05/28/2026 05 PM PDT           63.31            181         0      Not Applicable
  05/28/2026 06 PM PDT           63.31            181         0      Not Applicable
  05/28/2026 07 PM PDT           63.31            181         0      Not Applicable
  05/28/2026 08 PM PDT           63.31            181         0      Not Applicable
  05/28/2026 09 PM PDT           63.31            181         0      Not Applicable
  05/28/2026 10 PM PDT           63.33            182         +      Not Applicable
  05/28/2026 11 PM PDT           63.33            182         0      Not Applicable
  05/29/2026 12 AM PDT           63.33            182         0      Not Applicable
  05/29/2026 01 AM PDT           63.33            182         0      Not Applicable
  05/29/2026 02 AM PDT           63.33            182         0      Not Applicable
  05/29/2026 03 AM PDT           63.33            182         0      Not Applicable
  05/29/2026 04 AM PDT           63.33            182         0      Not Applicable
  05/29/2026 05 AM PDT           63.33            182         0      Not Applicable
  05/29/2026 06 AM PDT           63.33            182         0      Not Applicable
  05/29/2026 07 AM PDT           63.33            182         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/29/2026 08 AM PDT           63.33            182                Not Applicable
  05/29/2026 09 AM PDT           63.33            182         0      Not Applicable
  05/29/2026 10 AM PDT           63.33            182         0      Not Applicable
  05/29/2026 11 AM PDT           63.34            183         +      Not Applicable
  05/29/2026 12 PM PDT           63.34            183         0      Not Applicable
  05/29/2026 01 PM PDT           63.35            184         +      Not Applicable
  05/29/2026 02 PM PDT           63.35            184         0      Not Applicable
  05/29/2026 03 PM PDT           63.36            185         +      Not Applicable
  05/29/2026 04 PM PDT           63.37            186         +      Not Applicable
  05/29/2026 05 PM PDT           63.38            187         +      Not Applicable
  05/29/2026 06 PM PDT           63.38            187         0      Not Applicable
  05/29/2026 07 PM PDT           63.39            188         +      Not Applicable
  05/29/2026 08 PM PDT           63.40            188         +      Not Applicable
  05/29/2026 09 PM PDT           63.41            189         +      Not Applicable
  05/29/2026 10 PM PDT           63.41            189         0      Not Applicable
  05/29/2026 11 PM PDT           63.42            190         +      Not Applicable
  05/30/2026 12 AM PDT           63.43            191         +      Not Applicable
  05/30/2026 01 AM PDT           63.44            192         +      Not Applicable
  05/30/2026 02 AM PDT           63.45            193         +      Not Applicable
  05/30/2026 03 AM PDT           63.46            194         +      Not Applicable
  05/30/2026 04 AM PDT           63.47            195         +      Not Applicable
  05/30/2026 05 AM PDT           63.48            196         +      Not Applicable
  05/30/2026 06 AM PDT           63.50            197         +      Not Applicable
  05/30/2026 07 AM PDT           63.51            198         +      Not Applicable
  05/30/2026 08 AM PDT           63.52            199         +      Not Applicable
  05/30/2026 09 AM PDT           63.53            200         +      Not Applicable
  05/30/2026 10 AM PDT           63.54            201         +      Not Applicable
  05/30/2026 11 AM PDT           63.55            202         +      Not Applicable
  05/30/2026 12 PM PDT           63.55            202         0      Not Applicable
  05/30/2026 01 PM PDT           63.56            203         +      Not Applicable
  05/30/2026 02 PM PDT           63.58            204         +      Not Applicable
  05/30/2026 03 PM PDT           63.59            205         +      Not Applicable
  05/30/2026 04 PM PDT           63.60            206         +      Not Applicable
  05/30/2026 05 PM PDT           63.60            206         0      Not Applicable
  05/30/2026 06 PM PDT           63.61            207         +      Not Applicable
  05/30/2026 07 PM PDT           63.62            208         +      Not Applicable
  05/30/2026 08 PM PDT           63.62            208         0      Not Applicable
  05/30/2026 09 PM PDT           63.63            209         +      Not Applicable
  05/30/2026 10 PM PDT           63.64            210         +      Not Applicable
  05/30/2026 11 PM PDT           63.64            210         0      Not Applicable
  05/31/2026 12 AM PDT           63.65            211         +      Not Applicable
  05/31/2026 01 AM PDT           63.65            211         0      Not Applicable
  05/31/2026 02 AM PDT           63.66            212         +      Not Applicable
  05/31/2026 03 AM PDT           63.66            212         0      Not Applicable
  05/31/2026 04 AM PDT           63.67            213         +      Not Applicable
  05/31/2026 05 AM PDT           63.67            213         0      Not Applicable
  05/31/2026 06 AM PDT           63.68            214         +      Not Applicable
  05/31/2026 07 AM PDT           63.68            214         0      Not Applicable
  05/31/2026 08 AM PDT           63.69            215         +      Not Applicable
  05/31/2026 09 AM PDT           63.70            215         +      Not Applicable
  05/31/2026 10 AM PDT           63.71            216         +      Not Applicable
  05/31/2026 11 AM PDT           63.71            216         0      Not Applicable
  05/31/2026 12 PM PDT           63.72            217         +      Not Applicable
  05/31/2026 01 PM PDT           63.72            217         0      Not Applicable
  05/31/2026 02 PM PDT           63.72            217         0      Not Applicable
  05/31/2026 03 PM PDT           63.73            218         +      Not Applicable
  05/31/2026 04 PM PDT           63.73            218         0      Not Applicable
  05/31/2026 05 PM PDT           63.73            218         0      Not Applicable
  05/31/2026 06 PM PDT           63.73            218         0      Not Applicable
  05/31/2026 07 PM PDT           63.74            219         +      Not Applicable
  05/31/2026 08 PM PDT           63.74            219         0      Not Applicable
  05/31/2026 09 PM PDT           63.74            219         0      Not Applicable
  05/31/2026 10 PM PDT           63.75            220         +      Not Applicable
  05/31/2026 11 PM PDT           63.75            220         0      Not Applicable
  06/01/2026 12 AM PDT           63.75            220         0      Not Applicable
  06/01/2026 01 AM PDT           63.75            220         0      Not Applicable
  06/01/2026 02 AM PDT           63.76            221         +      Not Applicable
  06/01/2026 03 AM PDT           63.76            221         0      Not Applicable
  06/01/2026 04 AM PDT           63.76            221         0      Not Applicable
  06/01/2026 05 AM PDT           63.76            221         0      Not Applicable
  06/01/2026 06 AM PDT           63.77            222         +      Not Applicable
  06/01/2026 07 AM PDT           63.77            222         0      Not Applicable
  06/01/2026 08 AM PDT           63.77            222         0      Not Applicable
  06/01/2026 09 AM PDT           63.77            222         0      Not Applicable
  06/01/2026 10 AM PDT           63.77            222         0      Not Applicable
  06/01/2026 11 AM PDT           63.77            222         0      Not Applicable
  06/01/2026 12 PM PDT           63.77            222         0      Not Applicable
  06/01/2026 01 PM PDT           63.78            223         +      Not Applicable
  06/01/2026 02 PM PDT           63.78            223         0      Not Applicable
  06/01/2026 03 PM PDT           63.78            223         0      Not Applicable
  06/01/2026 04 PM PDT           63.78            223         0      Not Applicable
  06/01/2026 05 PM PDT           63.78            223         0      Not Applicable
  06/01/2026 06 PM PDT           63.78            223         0      Not Applicable
  06/01/2026 07 PM PDT           63.78            223         0      Not Applicable
  06/01/2026 08 PM PDT           63.78            223         0      Not Applicable
  06/01/2026 09 PM PDT           63.79            224         +      Not Applicable
  06/01/2026 10 PM PDT           63.79            224         0      Not Applicable
  06/01/2026 11 PM PDT           63.79            224         0      Not Applicable
  06/02/2026 12 AM PDT           63.79            224         0      Not Applicable
  06/02/2026 01 AM PDT           63.79            224         0      Not Applicable
  06/02/2026 02 AM PDT           63.79            224         0      Not Applicable
  06/02/2026 03 AM PDT           63.79            224         0      Not Applicable
  06/02/2026 04 AM PDT           63.79            224         0      Not Applicable
  06/02/2026 05 AM PDT           63.79            224         0      Not Applicable
  06/02/2026 06 AM PDT           63.79            224         0      Not Applicable
  06/02/2026 07 AM PDT           63.79            224         0      Not Applicable
  06/02/2026 08 AM PDT           63.79            224         0      Not Applicable
  06/02/2026 09 AM PDT           63.80            225         +      Not Applicable
  06/02/2026 10 AM PDT           63.80            225         0      Not Applicable
  06/02/2026 11 AM PDT           63.80            225         0      Not Applicable
  06/02/2026 12 PM PDT           63.80            225         0      Not Applicable
  06/02/2026 01 PM PDT           63.80            225         0      Not Applicable
  06/02/2026 02 PM PDT           63.80            225         0      Not Applicable
  06/02/2026 03 PM PDT           63.80            225         0      Not Applicable
  06/02/2026 04 PM PDT           63.80            225         0      Not Applicable
  06/02/2026 05 PM PDT           63.80            225         0      Not Applicable
  06/02/2026 06 PM PDT           63.80            225         0      Not Applicable
  06/02/2026 07 PM PDT           63.80            225         0      Not Applicable
  06/02/2026 08 PM PDT           63.80            225         0      Not Applicable
  06/02/2026 09 PM PDT           63.80            225         0      Not Applicable
  06/02/2026 10 PM PDT           63.80            225         0      Not Applicable
  06/02/2026 11 PM PDT           63.80            225         0      Not Applicable
  06/03/2026 12 AM PDT           63.80            225         0      Not Applicable
  06/03/2026 01 AM PDT           63.80            225         0      Not Applicable
  06/03/2026 02 AM PDT           63.80            225         0      Not Applicable
  06/03/2026 03 AM PDT           63.80            225         0      Not Applicable
  06/03/2026 04 AM PDT           63.80            225         0      Not Applicable
  06/03/2026 05 AM PDT           63.80            225         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.