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 Feet
Location: Merced County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Jan 27 2026 at 7:06 AM PSTNext Issuance: Jan 27 2026 at 3:00 PM PST
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:  01/27/2026 at 07:09 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  01/22/2026 at 05:00 PM PST
# Maximum Observed Stage:                       63.52 Feet
# Maximum Observed Flow:                        181 cfs
#
# Earliest Date & Time of Maximum Forecast:     01/27/2026 at 08:00 AM PST
# Maximum Forecast Stage:                       63.35 Feet
# Maximum Forecast Flow:                        166 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  01/22/2026 07 AM PST           63.52            181                Not Applicable
  01/22/2026 08 AM PST           63.52            181         0      Not Applicable
  01/22/2026 09 AM PST           63.52            181         0      Not Applicable
  01/22/2026 10 AM PST           63.51            180         -      Not Applicable
  01/22/2026 11 AM PST           63.51            180         0      Not Applicable
  01/22/2026 12 PM PST           63.51            180         0      Not Applicable
  01/22/2026 01 PM PST           63.52            181         +      Not Applicable
  01/22/2026 02 PM PST           63.52            181         0      Not Applicable
  01/22/2026 03 PM PST           63.51            180         -      Not Applicable
  01/22/2026 04 PM PST           63.52            181         +      Not Applicable
  01/22/2026 05 PM PST           63.52            181         0      Not Applicable
  01/22/2026 06 PM PST           63.51            180         -      Not Applicable
  01/22/2026 07 PM PST           63.50            179         -      Not Applicable
  01/22/2026 08 PM PST           63.50            179         0      Not Applicable
  01/22/2026 09 PM PST           63.50            179         0      Not Applicable
  01/22/2026 10 PM PST           63.50            179         0      Not Applicable
  01/22/2026 11 PM PST           63.50            179         0      Not Applicable
  01/23/2026 12 AM PST           63.50            179         0      Not Applicable
  01/23/2026 01 AM PST           63.50            179         0      Not Applicable
  01/23/2026 02 AM PST           63.49            178         -      Not Applicable
  01/23/2026 03 AM PST           63.49            178         0      Not Applicable
  01/23/2026 04 AM PST           63.49            178         0      Not Applicable
  01/23/2026 05 AM PST           63.49            178         0      Not Applicable
  01/23/2026 06 AM PST           63.49            178         0      Not Applicable
  01/23/2026 07 AM PST           63.49            178         0      Not Applicable
  01/23/2026 08 AM PST           63.48            177         -      Not Applicable
  01/23/2026 09 AM PST           63.48            177         0      Not Applicable
  01/23/2026 10 AM PST           63.48            177         0      Not Applicable
  01/23/2026 11 AM PST           63.48            177         0      Not Applicable
  01/23/2026 12 PM PST           63.47            176         -      Not Applicable
  01/23/2026 01 PM PST           63.47            176         0      Not Applicable
  01/23/2026 02 PM PST           63.47            176         0      Not Applicable
  01/23/2026 03 PM PST           63.47            176         0      Not Applicable
  01/23/2026 04 PM PST           63.47            176         0      Not Applicable
  01/23/2026 05 PM PST           63.47            176         0      Not Applicable
  01/23/2026 06 PM PST           63.46            175         -      Not Applicable
  01/23/2026 07 PM PST           63.46            175         0      Not Applicable
  01/23/2026 08 PM PST           63.47            176         +      Not Applicable
  01/23/2026 09 PM PST           63.46            175         -      Not Applicable
  01/23/2026 10 PM PST           63.46            175         0      Not Applicable
  01/23/2026 11 PM PST           63.46            175         0      Not Applicable
  01/24/2026 12 AM PST           63.46            175         0      Not Applicable
  01/24/2026 01 AM PST           63.46            175         0      Not Applicable
  01/24/2026 02 AM PST           63.46            175         0      Not Applicable
  01/24/2026 03 AM PST           63.46            175         0      Not Applicable
  01/24/2026 04 AM PST           63.44            174         -      Not Applicable
  01/24/2026 05 AM PST           63.44            174         0      Not Applicable
  01/24/2026 06 AM PST           63.44            174         0      Not Applicable
  01/24/2026 07 AM PST           63.44            174         0      Not Applicable
  01/24/2026 08 AM PST           63.43            173         -      Not Applicable
  01/24/2026 09 AM PST           63.43            173         0      Not Applicable
  01/24/2026 10 AM PST           63.44            174         +      Not Applicable
  01/24/2026 11 AM PST           63.43            173         -      Not Applicable
  01/24/2026 12 PM PST           63.43            173         0      Not Applicable
  01/24/2026 01 PM PST           63.43            173         0      Not Applicable
  01/24/2026 02 PM PST           63.43            173         0      Not Applicable
  01/24/2026 03 PM PST           63.42            172         -      Not Applicable
  01/24/2026 04 PM PST           63.42            172         0      Not Applicable
  01/24/2026 05 PM PST           63.42            172         0      Not Applicable
  01/24/2026 06 PM PST           63.42            172         0      Not Applicable
  01/24/2026 07 PM PST           63.42            172         0      Not Applicable
  01/24/2026 08 PM PST           63.42            172         0      Not Applicable
  01/24/2026 09 PM PST           63.41            171         -      Not Applicable
  01/24/2026 10 PM PST           63.41            171         0      Not Applicable
  01/24/2026 11 PM PST           63.41            171         0      Not Applicable
  01/25/2026 12 AM PST           63.41            171         0      Not Applicable
  01/25/2026 01 AM PST           63.41            171         0      Not Applicable
  01/25/2026 02 AM PST           63.41            171         0      Not Applicable
  01/25/2026 03 AM PST           63.41            171         0      Not Applicable
  01/25/2026 04 AM PST           63.41            171         0      Not Applicable
  01/25/2026 05 AM PST           63.41            171         0      Not Applicable
  01/25/2026 06 AM PST           63.41            171         0      Not Applicable
  01/25/2026 07 AM PST           63.41            171         0      Not Applicable
  01/25/2026 08 AM PST           63.41            171         0      Not Applicable
  01/25/2026 09 AM PST           63.41            171         0      Not Applicable
  01/25/2026 10 AM PST           63.41            171         0      Not Applicable
  01/25/2026 11 AM PST           63.41            171         0      Not Applicable
  01/25/2026 12 PM PST           63.41            171         0      Not Applicable
  01/25/2026 01 PM PST           63.41            171         0      Not Applicable
  01/25/2026 02 PM PST           63.41            171         0      Not Applicable
  01/25/2026 03 PM PST           63.41            171         0      Not Applicable
  01/25/2026 04 PM PST           63.41            171         0      Not Applicable
  01/25/2026 05 PM PST           63.41            171         0      Not Applicable
  01/25/2026 06 PM PST           63.41            171         0      Not Applicable
  01/25/2026 07 PM PST           63.41            171         0      Not Applicable
  01/25/2026 08 PM PST           63.41            171         0      Not Applicable
  01/25/2026 09 PM PST           63.41            171         0      Not Applicable
  01/25/2026 10 PM PST           63.40            170         -      Not Applicable
  01/25/2026 11 PM PST           63.40            170         0      Not Applicable
  01/26/2026 12 AM PST           63.40            170         0      Not Applicable
  01/26/2026 01 AM PST           63.40            170         0      Not Applicable
  01/26/2026 02 AM PST           63.40            170         0      Not Applicable
  01/26/2026 03 AM PST           63.40            170         0      Not Applicable
  01/26/2026 04 AM PST           63.40            170         0      Not Applicable
  01/26/2026 05 AM PST           63.40            170         0      Not Applicable
  01/26/2026 06 AM PST           63.40            170         0      Not Applicable
  01/26/2026 07 AM PST           63.40            170         0      Not Applicable
  01/26/2026 08 AM PST           63.40            170         0      Not Applicable
  01/26/2026 09 AM PST           63.40            170         0      Not Applicable
  01/26/2026 10 AM PST           63.38            169         -      Not Applicable
  01/26/2026 11 AM PST           63.38            169         0      Not Applicable
  01/26/2026 12 PM PST           63.38            169         0      Not Applicable
  01/26/2026 01 PM PST           63.37            168         -      Not Applicable
  01/26/2026 02 PM PST           63.38            169         +      Not Applicable
  01/26/2026 03 PM PST           63.38            169         0      Not Applicable
  01/26/2026 04 PM PST           63.37            168         -      Not Applicable
  01/26/2026 05 PM PST           63.37            168         0      Not Applicable
  01/26/2026 06 PM PST           63.37            168         0      Not Applicable
  01/26/2026 07 PM PST           63.37            168         0      Not Applicable
  01/26/2026 08 PM PST           63.37            168         0      Not Applicable
  01/26/2026 09 PM PST           63.37            168         0      Not Applicable
  01/26/2026 10 PM PST           63.37            168         0      Not Applicable
  01/26/2026 11 PM PST           63.37            168         0      Not Applicable
  01/27/2026 12 AM PST           63.36            167         -      Not Applicable
  01/27/2026 01 AM PST           63.36            167         0      Not Applicable
  01/27/2026 02 AM PST           63.36            167         0      Not Applicable
  01/27/2026 03 AM PST           63.36            167         0      Not Applicable
  01/27/2026 04 AM PST           63.36            167         0      Not Applicable
  01/27/2026 05 AM PST           63.36            167         0      Not Applicable
  01/27/2026 06 AM PST           63.36            167         0      Not Applicable
  01/27/2026 07 AM PST           63.35            166         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  01/27/2026 08 AM PST           63.35            166                Not Applicable
  01/27/2026 09 AM PST           63.34            165         -      Not Applicable
  01/27/2026 10 AM PST           63.33            165         -      Not Applicable
  01/27/2026 11 AM PST           63.32            164         -      Not Applicable
  01/27/2026 12 PM PST           63.32            164         0      Not Applicable
  01/27/2026 01 PM PST           63.31            163         -      Not Applicable
  01/27/2026 02 PM PST           63.31            163         0      Not Applicable
  01/27/2026 03 PM PST           63.31            163         0      Not Applicable
  01/27/2026 04 PM PST           63.30            162         -      Not Applicable
  01/27/2026 05 PM PST           63.30            162         0      Not Applicable
  01/27/2026 06 PM PST           63.30            162         0      Not Applicable
  01/27/2026 07 PM PST           63.29            161         -      Not Applicable
  01/27/2026 08 PM PST           63.29            161         0      Not Applicable
  01/27/2026 09 PM PST           63.28            160         -      Not Applicable
  01/27/2026 10 PM PST           63.28            160         0      Not Applicable
  01/27/2026 11 PM PST           63.27            160         -      Not Applicable
  01/28/2026 12 AM PST           63.27            160         0      Not Applicable
  01/28/2026 01 AM PST           63.26            159         -      Not Applicable
  01/28/2026 02 AM PST           63.26            159         0      Not Applicable
  01/28/2026 03 AM PST           63.26            159         0      Not Applicable
  01/28/2026 04 AM PST           63.26            159         0      Not Applicable
  01/28/2026 05 AM PST           63.26            159         0      Not Applicable
  01/28/2026 06 AM PST           63.26            159         0      Not Applicable
  01/28/2026 07 AM PST           63.26            159         0      Not Applicable
  01/28/2026 08 AM PST           63.26            159         0      Not Applicable
  01/28/2026 09 AM PST           63.26            159         0      Not Applicable
  01/28/2026 10 AM PST           63.26            159         0      Not Applicable
  01/28/2026 11 AM PST           63.26            159         0      Not Applicable
  01/28/2026 12 PM PST           63.25            158         -      Not Applicable
  01/28/2026 01 PM PST           63.25            158         0      Not Applicable
  01/28/2026 02 PM PST           63.25            158         0      Not Applicable
  01/28/2026 03 PM PST           63.25            158         0      Not Applicable
  01/28/2026 04 PM PST           63.26            159         +      Not Applicable
  01/28/2026 05 PM PST           63.26            159         0      Not Applicable
  01/28/2026 06 PM PST           63.26            159         0      Not Applicable
  01/28/2026 07 PM PST           63.26            159         0      Not Applicable
  01/28/2026 08 PM PST           63.26            159         0      Not Applicable
  01/28/2026 09 PM PST           63.26            159         0      Not Applicable
  01/28/2026 10 PM PST           63.26            159         0      Not Applicable
  01/28/2026 11 PM PST           63.26            159         0      Not Applicable
  01/29/2026 12 AM PST           63.26            159         0      Not Applicable
  01/29/2026 01 AM PST           63.26            159         0      Not Applicable
  01/29/2026 02 AM PST           63.26            159         0      Not Applicable
  01/29/2026 03 AM PST           63.26            159         0      Not Applicable
  01/29/2026 04 AM PST           63.26            159         0      Not Applicable
  01/29/2026 05 AM PST           63.26            159         0      Not Applicable
  01/29/2026 06 AM PST           63.26            159         0      Not Applicable
  01/29/2026 07 AM PST           63.26            159         0      Not Applicable
  01/29/2026 08 AM PST           63.26            159         0      Not Applicable
  01/29/2026 09 AM PST           63.26            159         0      Not Applicable
  01/29/2026 10 AM PST           63.26            159         0      Not Applicable
  01/29/2026 11 AM PST           63.26            159         0      Not Applicable
  01/29/2026 12 PM PST           63.26            159         0      Not Applicable
  01/29/2026 01 PM PST           63.26            159         0      Not Applicable
  01/29/2026 02 PM PST           63.26            159         0      Not Applicable
  01/29/2026 03 PM PST           63.27            160         +      Not Applicable
  01/29/2026 04 PM PST           63.27            160         0      Not Applicable
  01/29/2026 05 PM PST           63.27            160         0      Not Applicable
  01/29/2026 06 PM PST           63.27            160         0      Not Applicable
  01/29/2026 07 PM PST           63.27            160         0      Not Applicable
  01/29/2026 08 PM PST           63.27            160         0      Not Applicable
  01/29/2026 09 PM PST           63.27            160         0      Not Applicable
  01/29/2026 10 PM PST           63.27            160         0      Not Applicable
  01/29/2026 11 PM PST           63.27            160         0      Not Applicable
  01/30/2026 12 AM PST           63.27            160         0      Not Applicable
  01/30/2026 01 AM PST           63.27            160         0      Not Applicable
  01/30/2026 02 AM PST           63.27            160         0      Not Applicable
  01/30/2026 03 AM PST           63.27            160         0      Not Applicable
  01/30/2026 04 AM PST           63.27            160         0      Not Applicable
  01/30/2026 05 AM PST           63.27            160         0      Not Applicable
  01/30/2026 06 AM PST           63.27            160         0      Not Applicable
  01/30/2026 07 AM PST           63.27            160         0      Not Applicable
  01/30/2026 08 AM PST           63.27            160         0      Not Applicable
  01/30/2026 09 AM PST           63.27            160         0      Not Applicable
  01/30/2026 10 AM PST           63.27            160         0      Not Applicable
  01/30/2026 11 AM PST           63.28            160         +      Not Applicable
  01/30/2026 12 PM PST           63.28            160         0      Not Applicable
  01/30/2026 01 PM PST           63.28            160         0      Not Applicable
  01/30/2026 02 PM PST           63.28            160         0      Not Applicable
  01/30/2026 03 PM PST           63.28            160         0      Not Applicable
  01/30/2026 04 PM PST           63.28            160         0      Not Applicable
  01/30/2026 05 PM PST           63.28            160         0      Not Applicable
  01/30/2026 06 PM PST           63.28            160         0      Not Applicable
  01/30/2026 07 PM PST           63.28            160         0      Not Applicable
  01/30/2026 08 PM PST           63.28            160         0      Not Applicable
  01/30/2026 09 PM PST           63.28            160         0      Not Applicable
  01/30/2026 10 PM PST           63.28            160         0      Not Applicable
  01/30/2026 11 PM PST           63.28            160         0      Not Applicable
  01/31/2026 12 AM PST           63.28            160         0      Not Applicable
  01/31/2026 01 AM PST           63.28            160         0      Not Applicable
  01/31/2026 02 AM PST           63.28            160         0      Not Applicable
  01/31/2026 03 AM PST           63.28            160         0      Not Applicable
  01/31/2026 04 AM PST           63.28            160         0      Not Applicable
  01/31/2026 05 AM PST           63.28            160         0      Not Applicable
  01/31/2026 06 AM PST           63.28            160         0      Not Applicable
  01/31/2026 07 AM PST           63.28            160         0      Not Applicable
  01/31/2026 08 AM PST           63.28            160         0      Not Applicable
  01/31/2026 09 AM PST           63.28            160         0      Not Applicable
  01/31/2026 10 AM PST           63.28            160         0      Not Applicable
  01/31/2026 11 AM PST           63.28            160         0      Not Applicable
  01/31/2026 12 PM PST           63.28            160         0      Not Applicable
  01/31/2026 01 PM PST           63.29            161         +      Not Applicable
  01/31/2026 02 PM PST           63.29            161         0      Not Applicable
  01/31/2026 03 PM PST           63.29            161         0      Not Applicable
  01/31/2026 04 PM PST           63.29            161         0      Not Applicable
  01/31/2026 05 PM PST           63.29            161         0      Not Applicable
  01/31/2026 06 PM PST           63.29            161         0      Not Applicable
  01/31/2026 07 PM PST           63.29            161         0      Not Applicable
  01/31/2026 08 PM PST           63.29            161         0      Not Applicable
  01/31/2026 09 PM PST           63.29            161         0      Not Applicable
  01/31/2026 10 PM PST           63.29            161         0      Not Applicable
  01/31/2026 11 PM PST           63.29            161         0      Not Applicable
  02/01/2026 12 AM PST           63.29            161         0      Not Applicable
  02/01/2026 01 AM PST           63.29            161         0      Not Applicable
  02/01/2026 02 AM PST           63.29            161         0      Not Applicable
  02/01/2026 03 AM PST           63.29            161         0      Not Applicable
  02/01/2026 04 AM PST           63.29            161         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.