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: Apr 07 2026 at 2:16 PM PDTNext Issuance: Apr 08 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:  04/07/2026 at 02:19 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/02/2026 at 02:00 PM PDT
# Maximum Observed Stage:                       65.96 Feet
# Maximum Observed Flow:                        559 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/12/2026 at 05:00 AM PDT
# Maximum Forecast Stage:                       65.18 Feet
# Maximum Forecast Flow:                        398 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/02/2026 02 PM PDT           65.96            559                Not Applicable
  04/02/2026 03 PM PDT           65.94            554         -      Not Applicable
  04/02/2026 04 PM PDT           65.94            554         0      Not Applicable
  04/02/2026 05 PM PDT           65.94            554         0      Not Applicable
  04/02/2026 06 PM PDT           65.93            552         -      Not Applicable
  04/02/2026 07 PM PDT           65.92            550         -      Not Applicable
  04/02/2026 08 PM PDT           65.90            545         -      Not Applicable
  04/02/2026 09 PM PDT           65.90            545         0      Not Applicable
  04/02/2026 10 PM PDT           65.89            543         -      Not Applicable
  04/02/2026 11 PM PDT           65.89            543         0      Not Applicable
  04/03/2026 12 AM PDT           65.88            541         -      Not Applicable
  04/03/2026 01 AM PDT           65.87            539         -      Not Applicable
  04/03/2026 02 AM PDT           65.86            536         -      Not Applicable
  04/03/2026 03 AM PDT           65.85            534         -      Not Applicable
  04/03/2026 04 AM PDT           65.85            534         0      Not Applicable
  04/03/2026 05 AM PDT           65.84            532         -      Not Applicable
  04/03/2026 06 AM PDT           65.83            530         -      Not Applicable
  04/03/2026 07 AM PDT           65.82            527         -      Not Applicable
  04/03/2026 08 AM PDT           65.80            523         -      Not Applicable
  04/03/2026 09 AM PDT           65.80            523         0      Not Applicable
  04/03/2026 10 AM PDT           65.78            519         -      Not Applicable
  04/03/2026 11 AM PDT           65.77            517         -      Not Applicable
  04/03/2026 12 PM PDT           65.76            514         -      Not Applicable
  04/03/2026 01 PM PDT           65.76            514         0      Not Applicable
  04/03/2026 02 PM PDT           65.75            512         -      Not Applicable
  04/03/2026 03 PM PDT           65.74            510         -      Not Applicable
  04/03/2026 04 PM PDT           65.73            508         -      Not Applicable
  04/03/2026 05 PM PDT           65.71            504         -      Not Applicable
  04/03/2026 06 PM PDT           65.69            499         -      Not Applicable
  04/03/2026 07 PM PDT           65.68            497         -      Not Applicable
  04/03/2026 08 PM PDT           65.67            495         -      Not Applicable
  04/03/2026 09 PM PDT           65.64            489         -      Not Applicable
  04/03/2026 10 PM PDT           65.63            487         -      Not Applicable
  04/03/2026 11 PM PDT           65.62            485         -      Not Applicable
  04/04/2026 12 AM PDT           65.60            480         -      Not Applicable
  04/04/2026 01 AM PDT           65.59            478         -      Not Applicable
  04/04/2026 02 AM PDT           65.57            474         -      Not Applicable
  04/04/2026 03 AM PDT           65.56            472         -      Not Applicable
  04/04/2026 04 AM PDT           65.54            468         -      Not Applicable
  04/04/2026 05 AM PDT           65.53            466         -      Not Applicable
  04/04/2026 06 AM PDT           65.51            462         -      Not Applicable
  04/04/2026 07 AM PDT           65.49            458         -      Not Applicable
  04/04/2026 08 AM PDT           65.48            456         -      Not Applicable
  04/04/2026 09 AM PDT           65.46            452         -      Not Applicable
  04/04/2026 10 AM PDT           65.45            450         -      Not Applicable
  04/04/2026 11 AM PDT           65.42            444         -      Not Applicable
  04/04/2026 12 PM PDT           65.40            440         -      Not Applicable
  04/04/2026 01 PM PDT           65.39            438         -      Not Applicable
  04/04/2026 02 PM PDT           65.37            434         -      Not Applicable
  04/04/2026 03 PM PDT           65.35            430         -      Not Applicable
  04/04/2026 04 PM PDT           65.34            428         -      Not Applicable
  04/04/2026 05 PM PDT           65.32            424         -      Not Applicable
  04/04/2026 06 PM PDT           65.30            420         -      Not Applicable
  04/04/2026 07 PM PDT           65.28            417         -      Not Applicable
  04/04/2026 08 PM PDT           65.26            413         -      Not Applicable
  04/04/2026 09 PM PDT           65.25            411         -      Not Applicable
  04/04/2026 10 PM PDT           65.23            407         -      Not Applicable
  04/04/2026 11 PM PDT           65.22            405         -      Not Applicable
  04/05/2026 12 AM PDT           65.20            401         -      Not Applicable
  04/05/2026 01 AM PDT           65.18            398         -      Not Applicable
  04/05/2026 02 AM PDT           65.17            396         -      Not Applicable
  04/05/2026 03 AM PDT           65.16            394         -      Not Applicable
  04/05/2026 04 AM PDT           65.13            388         -      Not Applicable
  04/05/2026 05 AM PDT           65.12            387         -      Not Applicable
  04/05/2026 06 AM PDT           65.10            383         -      Not Applicable
  04/05/2026 07 AM PDT           65.09            381         -      Not Applicable
  04/05/2026 08 AM PDT           65.08            379         -      Not Applicable
  04/05/2026 09 AM PDT           65.07            378         -      Not Applicable
  04/05/2026 10 AM PDT           65.05            374         -      Not Applicable
  04/05/2026 11 AM PDT           65.04            372         -      Not Applicable
  04/05/2026 12 PM PDT           65.02            369         -      Not Applicable
  04/05/2026 01 PM PDT           65.01            367         -      Not Applicable
  04/05/2026 02 PM PDT           65.00            365         -      Not Applicable
  04/05/2026 03 PM PDT           64.99            363         -      Not Applicable
  04/05/2026 04 PM PDT           64.97            360         -      Not Applicable
  04/05/2026 05 PM PDT           64.95            356         -      Not Applicable
  04/05/2026 06 PM PDT           64.95            356         0      Not Applicable
  04/05/2026 07 PM PDT           64.93            353         -      Not Applicable
  04/05/2026 08 PM PDT           64.92            351         -      Not Applicable
  04/05/2026 09 PM PDT           64.92            351         0      Not Applicable
  04/05/2026 10 PM PDT           64.90            348         -      Not Applicable
  04/05/2026 11 PM PDT           64.89            346         -      Not Applicable
  04/06/2026 12 AM PDT           64.88            344         -      Not Applicable
  04/06/2026 01 AM PDT           64.87            342         -      Not Applicable
  04/06/2026 02 AM PDT           64.86            341         -      Not Applicable
  04/06/2026 03 AM PDT           64.86            341         0      Not Applicable
  04/06/2026 04 AM PDT           64.85            339         -      Not Applicable
  04/06/2026 05 AM PDT           64.84            337         -      Not Applicable
  04/06/2026 06 AM PDT           64.83            336         -      Not Applicable
  04/06/2026 07 AM PDT           64.83            336         0      Not Applicable
  04/06/2026 08 AM PDT           64.81            332         -      Not Applicable
  04/06/2026 09 AM PDT           64.81            332         0      Not Applicable
  04/06/2026 10 AM PDT           64.80            331         -      Not Applicable
  04/06/2026 11 AM PDT           64.79            329         -      Not Applicable
  04/06/2026 12 PM PDT           64.78            327         -      Not Applicable
  04/06/2026 01 PM PDT           64.78            327         0      Not Applicable
  04/06/2026 02 PM PDT           64.77            326         -      Not Applicable
  04/06/2026 03 PM PDT           64.76            324         -      Not Applicable
  04/06/2026 04 PM PDT           64.76            324         0      Not Applicable
  04/06/2026 05 PM PDT           64.75            322         -      Not Applicable
  04/06/2026 06 PM PDT           64.75            322         0      Not Applicable
  04/06/2026 07 PM PDT           64.74            321         -      Not Applicable
  04/06/2026 08 PM PDT           64.73            319         -      Not Applicable
  04/06/2026 09 PM PDT           64.73            319         0      Not Applicable
  04/06/2026 10 PM PDT           64.73            319         0      Not Applicable
  04/06/2026 11 PM PDT           64.72            318         -      Not Applicable
  04/07/2026 12 AM PDT           64.72            318         0      Not Applicable
  04/07/2026 01 AM PDT           64.71            316         -      Not Applicable
  04/07/2026 02 AM PDT           64.71            316         0      Not Applicable
  04/07/2026 03 AM PDT           64.70            314         -      Not Applicable
  04/07/2026 04 AM PDT           64.70            314         0      Not Applicable
  04/07/2026 05 AM PDT           64.70            314         0      Not Applicable
  04/07/2026 06 AM PDT           64.69            313         -      Not Applicable
  04/07/2026 07 AM PDT           64.69            313         0      Not Applicable
  04/07/2026 08 AM PDT           64.68            311         -      Not Applicable
  04/07/2026 09 AM PDT           64.68            311         0      Not Applicable
  04/07/2026 10 AM PDT           64.67            309         -      Not Applicable
  04/07/2026 11 AM PDT           64.68            311         +      Not Applicable
  04/07/2026 12 PM PDT           64.68            311         0      Not Applicable
  04/07/2026 01 PM PDT           64.68            311         0      Not Applicable
  04/07/2026 02 PM PDT           64.69            313         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/07/2026 03 PM PDT           64.69            313                Not Applicable
  04/07/2026 04 PM PDT           64.69            313         0      Not Applicable
  04/07/2026 05 PM PDT           64.69            313         0      Not Applicable
  04/07/2026 06 PM PDT           64.69            313         0      Not Applicable
  04/07/2026 07 PM PDT           64.70            314         +      Not Applicable
  04/07/2026 08 PM PDT           64.70            314         0      Not Applicable
  04/07/2026 09 PM PDT           64.70            314         0      Not Applicable
  04/07/2026 10 PM PDT           64.71            316         +      Not Applicable
  04/07/2026 11 PM PDT           64.71            316         0      Not Applicable
  04/08/2026 12 AM PDT           64.72            318         +      Not Applicable
  04/08/2026 01 AM PDT           64.72            318         0      Not Applicable
  04/08/2026 02 AM PDT           64.73            319         +      Not Applicable
  04/08/2026 03 AM PDT           64.73            319         0      Not Applicable
  04/08/2026 04 AM PDT           64.74            321         +      Not Applicable
  04/08/2026 05 AM PDT           64.74            321         0      Not Applicable
  04/08/2026 06 AM PDT           64.75            322         +      Not Applicable
  04/08/2026 07 AM PDT           64.75            322         0      Not Applicable
  04/08/2026 08 AM PDT           64.76            324         +      Not Applicable
  04/08/2026 09 AM PDT           64.76            324         0      Not Applicable
  04/08/2026 10 AM PDT           64.77            326         +      Not Applicable
  04/08/2026 11 AM PDT           64.78            327         +      Not Applicable
  04/08/2026 12 PM PDT           64.79            329         +      Not Applicable
  04/08/2026 01 PM PDT           64.80            331         +      Not Applicable
  04/08/2026 02 PM PDT           64.81            332         +      Not Applicable
  04/08/2026 03 PM PDT           64.82            334         +      Not Applicable
  04/08/2026 04 PM PDT           64.83            336         +      Not Applicable
  04/08/2026 05 PM PDT           64.84            337         +      Not Applicable
  04/08/2026 06 PM PDT           64.85            339         +      Not Applicable
  04/08/2026 07 PM PDT           64.86            341         +      Not Applicable
  04/08/2026 08 PM PDT           64.87            342         +      Not Applicable
  04/08/2026 09 PM PDT           64.88            344         +      Not Applicable
  04/08/2026 10 PM PDT           64.89            346         +      Not Applicable
  04/08/2026 11 PM PDT           64.89            346         0      Not Applicable
  04/09/2026 12 AM PDT           64.90            348         +      Not Applicable
  04/09/2026 01 AM PDT           64.91            349         +      Not Applicable
  04/09/2026 02 AM PDT           64.92            351         +      Not Applicable
  04/09/2026 03 AM PDT           64.93            353         +      Not Applicable
  04/09/2026 04 AM PDT           64.93            353         0      Not Applicable
  04/09/2026 05 AM PDT           64.94            355         +      Not Applicable
  04/09/2026 06 AM PDT           64.95            356         +      Not Applicable
  04/09/2026 07 AM PDT           64.96            358         +      Not Applicable
  04/09/2026 08 AM PDT           64.96            358         0      Not Applicable
  04/09/2026 09 AM PDT           64.97            360         +      Not Applicable
  04/09/2026 10 AM PDT           64.97            360         0      Not Applicable
  04/09/2026 11 AM PDT           64.98            362         +      Not Applicable
  04/09/2026 12 PM PDT           64.99            363         +      Not Applicable
  04/09/2026 01 PM PDT           65.00            365         +      Not Applicable
  04/09/2026 02 PM PDT           65.00            365         0      Not Applicable
  04/09/2026 03 PM PDT           65.01            367         +      Not Applicable
  04/09/2026 04 PM PDT           65.01            367         0      Not Applicable
  04/09/2026 05 PM PDT           65.02            369         +      Not Applicable
  04/09/2026 06 PM PDT           65.02            369         0      Not Applicable
  04/09/2026 07 PM PDT           65.03            370         +      Not Applicable
  04/09/2026 08 PM PDT           65.03            370         0      Not Applicable
  04/09/2026 09 PM PDT           65.04            372         +      Not Applicable
  04/09/2026 10 PM PDT           65.04            372         0      Not Applicable
  04/09/2026 11 PM PDT           65.05            374         +      Not Applicable
  04/10/2026 12 AM PDT           65.05            374         0      Not Applicable
  04/10/2026 01 AM PDT           65.06            376         +      Not Applicable
  04/10/2026 02 AM PDT           65.06            376         0      Not Applicable
  04/10/2026 03 AM PDT           65.06            376         0      Not Applicable
  04/10/2026 04 AM PDT           65.06            376         0      Not Applicable
  04/10/2026 05 AM PDT           65.07            378         +      Not Applicable
  04/10/2026 06 AM PDT           65.07            378         0      Not Applicable
  04/10/2026 07 AM PDT           65.08            379         +      Not Applicable
  04/10/2026 08 AM PDT           65.08            379         0      Not Applicable
  04/10/2026 09 AM PDT           65.09            381         +      Not Applicable
  04/10/2026 10 AM PDT           65.09            381         0      Not Applicable
  04/10/2026 11 AM PDT           65.09            381         0      Not Applicable
  04/10/2026 12 PM PDT           65.10            383         +      Not Applicable
  04/10/2026 01 PM PDT           65.10            383         0      Not Applicable
  04/10/2026 02 PM PDT           65.10            383         0      Not Applicable
  04/10/2026 03 PM PDT           65.10            383         0      Not Applicable
  04/10/2026 04 PM PDT           65.11            385         +      Not Applicable
  04/10/2026 05 PM PDT           65.11            385         0      Not Applicable
  04/10/2026 06 PM PDT           65.11            385         0      Not Applicable
  04/10/2026 07 PM PDT           65.11            385         0      Not Applicable
  04/10/2026 08 PM PDT           65.12            387         +      Not Applicable
  04/10/2026 09 PM PDT           65.12            387         0      Not Applicable
  04/10/2026 10 PM PDT           65.12            387         0      Not Applicable
  04/10/2026 11 PM PDT           65.12            387         0      Not Applicable
  04/11/2026 12 AM PDT           65.13            388         +      Not Applicable
  04/11/2026 01 AM PDT           65.13            388         0      Not Applicable
  04/11/2026 02 AM PDT           65.13            388         0      Not Applicable
  04/11/2026 03 AM PDT           65.14            390         +      Not Applicable
  04/11/2026 04 AM PDT           65.14            390         0      Not Applicable
  04/11/2026 05 AM PDT           65.14            390         0      Not Applicable
  04/11/2026 06 AM PDT           65.14            390         0      Not Applicable
  04/11/2026 07 AM PDT           65.14            390         0      Not Applicable
  04/11/2026 08 AM PDT           65.14            390         0      Not Applicable
  04/11/2026 09 AM PDT           65.15            392         +      Not Applicable
  04/11/2026 10 AM PDT           65.15            392         0      Not Applicable
  04/11/2026 11 AM PDT           65.15            392         0      Not Applicable
  04/11/2026 12 PM PDT           65.15            392         0      Not Applicable
  04/11/2026 01 PM PDT           65.15            392         0      Not Applicable
  04/11/2026 02 PM PDT           65.16            394         +      Not Applicable
  04/11/2026 03 PM PDT           65.16            394         0      Not Applicable
  04/11/2026 04 PM PDT           65.16            394         0      Not Applicable
  04/11/2026 05 PM PDT           65.16            394         0      Not Applicable
  04/11/2026 06 PM PDT           65.16            394         0      Not Applicable
  04/11/2026 07 PM PDT           65.16            394         0      Not Applicable
  04/11/2026 08 PM PDT           65.16            394         0      Not Applicable
  04/11/2026 09 PM PDT           65.17            396         +      Not Applicable
  04/11/2026 10 PM PDT           65.17            396         0      Not Applicable
  04/11/2026 11 PM PDT           65.17            396         0      Not Applicable
  04/12/2026 12 AM PDT           65.17            396         0      Not Applicable
  04/12/2026 01 AM PDT           65.17            396         0      Not Applicable
  04/12/2026 02 AM PDT           65.17            396         0      Not Applicable
  04/12/2026 03 AM PDT           65.17            396         0      Not Applicable
  04/12/2026 04 AM PDT           65.17            396         0      Not Applicable
  04/12/2026 05 AM PDT           65.18            398         +      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.