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: Mar 17 2026 at 1:56 PM PDTNext Issuance: Mar 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:  03/17/2026 at 01:58 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/17/2026 at 01:00 PM PDT
# Maximum Observed Stage:                       65.02 Feet
# Maximum Observed Flow:                        369 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/22/2026 at 02:00 AM PDT
# Maximum Forecast Stage:                       65.90 Feet
# Maximum Forecast Flow:                        545 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/12/2026 01 PM PDT           64.37            264                Not Applicable
  03/12/2026 02 PM PDT           64.37            264         0      Not Applicable
  03/12/2026 03 PM PDT           64.38            265         +      Not Applicable
  03/12/2026 04 PM PDT           64.38            265         0      Not Applicable
  03/12/2026 05 PM PDT           64.39            266         +      Not Applicable
  03/12/2026 06 PM PDT           64.39            266         0      Not Applicable
  03/12/2026 07 PM PDT           64.39            266         0      Not Applicable
  03/12/2026 08 PM PDT           64.39            266         0      Not Applicable
  03/12/2026 09 PM PDT           64.39            266         0      Not Applicable
  03/12/2026 10 PM PDT           64.39            266         0      Not Applicable
  03/12/2026 11 PM PDT           64.39            266         0      Not Applicable
  03/13/2026 12 AM PDT           64.40            268         +      Not Applicable
  03/13/2026 01 AM PDT           64.40            268         0      Not Applicable
  03/13/2026 02 AM PDT           64.40            268         0      Not Applicable
  03/13/2026 03 AM PDT           64.40            268         0      Not Applicable
  03/13/2026 04 AM PDT           64.40            268         0      Not Applicable
  03/13/2026 05 AM PDT           64.41            269         +      Not Applicable
  03/13/2026 06 AM PDT           64.41            269         0      Not Applicable
  03/13/2026 07 AM PDT           64.41            269         0      Not Applicable
  03/13/2026 08 AM PDT           64.41            269         0      Not Applicable
  03/13/2026 09 AM PDT           64.41            269         0      Not Applicable
  03/13/2026 10 AM PDT           64.42            271         +      Not Applicable
  03/13/2026 11 AM PDT           64.42            271         0      Not Applicable
  03/13/2026 12 PM PDT           64.42            271         0      Not Applicable
  03/13/2026 01 PM PDT           64.42            271         0      Not Applicable
  03/13/2026 02 PM PDT           64.43            272         +      Not Applicable
  03/13/2026 03 PM PDT           64.43            272         0      Not Applicable
  03/13/2026 04 PM PDT           64.43            272         0      Not Applicable
  03/13/2026 05 PM PDT           64.43            272         0      Not Applicable
  03/13/2026 06 PM PDT           64.43            272         0      Not Applicable
  03/13/2026 07 PM PDT           64.44            274         +      Not Applicable
  03/13/2026 08 PM PDT           64.44            274         0      Not Applicable
  03/13/2026 09 PM PDT           64.44            274         0      Not Applicable
  03/13/2026 10 PM PDT           64.45            275         +      Not Applicable
  03/13/2026 11 PM PDT           64.45            275         0      Not Applicable
  03/14/2026 12 AM PDT           64.45            275         0      Not Applicable
  03/14/2026 01 AM PDT           64.46            277         +      Not Applicable
  03/14/2026 02 AM PDT           64.46            277         0      Not Applicable
  03/14/2026 03 AM PDT           64.46            277         0      Not Applicable
  03/14/2026 04 AM PDT           64.46            277         0      Not Applicable
  03/14/2026 05 AM PDT           64.47            278         +      Not Applicable
  03/14/2026 06 AM PDT           64.47            278         0      Not Applicable
  03/14/2026 07 AM PDT           64.48            280         +      Not Applicable
  03/14/2026 08 AM PDT           64.48            280         0      Not Applicable
  03/14/2026 09 AM PDT           64.48            280         0      Not Applicable
  03/14/2026 10 AM PDT           64.49            281         +      Not Applicable
  03/14/2026 11 AM PDT           64.49            281         0      Not Applicable
  03/14/2026 12 PM PDT           64.50            283         +      Not Applicable
  03/14/2026 01 PM PDT           64.51            284         +      Not Applicable
  03/14/2026 02 PM PDT           64.51            284         0      Not Applicable
  03/14/2026 03 PM PDT           64.51            284         0      Not Applicable
  03/14/2026 04 PM PDT           64.52            286         +      Not Applicable
  03/14/2026 05 PM PDT           64.52            286         0      Not Applicable
  03/14/2026 06 PM PDT           64.53            287         +      Not Applicable
  03/14/2026 07 PM PDT           64.53            287         0      Not Applicable
  03/14/2026 08 PM PDT           64.54            289         +      Not Applicable
  03/14/2026 09 PM PDT           64.56            292         +      Not Applicable
  03/14/2026 10 PM PDT           64.56            292         0      Not Applicable
  03/14/2026 11 PM PDT           64.57            294         +      Not Applicable
  03/15/2026 12 AM PDT           64.58            295         +      Not Applicable
  03/15/2026 01 AM PDT           64.59            297         +      Not Applicable
  03/15/2026 02 AM PDT           64.59            297         0      Not Applicable
  03/15/2026 03 AM PDT           64.60            298         +      Not Applicable
  03/15/2026 04 AM PDT           64.61            300         +      Not Applicable
  03/15/2026 05 AM PDT           64.61            300         0      Not Applicable
  03/15/2026 06 AM PDT           64.62            301         +      Not Applicable
  03/15/2026 07 AM PDT           64.62            301         0      Not Applicable
  03/15/2026 08 AM PDT           64.64            305         +      Not Applicable
  03/15/2026 09 AM PDT           64.65            306         +      Not Applicable
  03/15/2026 10 AM PDT           64.66            308         +      Not Applicable
  03/15/2026 11 AM PDT           64.66            308         0      Not Applicable
  03/15/2026 12 PM PDT           64.67            309         +      Not Applicable
  03/15/2026 01 PM PDT           64.67            309         0      Not Applicable
  03/15/2026 02 PM PDT           64.69            313         +      Not Applicable
  03/15/2026 03 PM PDT           64.69            313         0      Not Applicable
  03/15/2026 04 PM PDT           64.70            314         +      Not Applicable
  03/15/2026 05 PM PDT           64.72            318         +      Not Applicable
  03/15/2026 06 PM PDT           64.72            318         0      Not Applicable
  03/15/2026 07 PM PDT           64.73            319         +      Not Applicable
  03/15/2026 08 PM PDT           64.73            319         0      Not Applicable
  03/15/2026 09 PM PDT           64.74            321         +      Not Applicable
  03/15/2026 10 PM PDT           64.76            324         +      Not Applicable
  03/15/2026 11 PM PDT           64.76            324         0      Not Applicable
  03/16/2026 12 AM PDT           64.77            326         +      Not Applicable
  03/16/2026 01 AM PDT           64.77            326         0      Not Applicable
  03/16/2026 02 AM PDT           64.78            327         +      Not Applicable
  03/16/2026 03 AM PDT           64.79            329         +      Not Applicable
  03/16/2026 04 AM PDT           64.79            329         0      Not Applicable
  03/16/2026 05 AM PDT           64.79            329         0      Not Applicable
  03/16/2026 06 AM PDT           64.81            332         +      Not Applicable
  03/16/2026 07 AM PDT           64.82            334         +      Not Applicable
  03/16/2026 08 AM PDT           64.82            334         0      Not Applicable
  03/16/2026 09 AM PDT           64.83            336         +      Not Applicable
  03/16/2026 10 AM PDT           64.84            337         +      Not Applicable
  03/16/2026 11 AM PDT           64.84            337         0      Not Applicable
  03/16/2026 12 PM PDT           64.85            339         +      Not Applicable
  03/16/2026 01 PM PDT           64.86            341         +      Not Applicable
  03/16/2026 02 PM PDT           64.85            339         -      Not Applicable
  03/16/2026 03 PM PDT           64.87            342         +      Not Applicable
  03/16/2026 04 PM PDT           64.86            341         -      Not Applicable
  03/16/2026 05 PM PDT           64.87            342         +      Not Applicable
  03/16/2026 06 PM PDT           64.87            342         0      Not Applicable
  03/16/2026 07 PM PDT           64.87            342         0      Not Applicable
  03/16/2026 08 PM PDT           64.88            344         +      Not Applicable
  03/16/2026 09 PM PDT           64.88            344         0      Not Applicable
  03/16/2026 10 PM PDT           64.89            346         +      Not Applicable
  03/16/2026 11 PM PDT           64.90            348         +      Not Applicable
  03/17/2026 12 AM PDT           64.90            348         0      Not Applicable
  03/17/2026 01 AM PDT           64.91            349         +      Not Applicable
  03/17/2026 02 AM PDT           64.92            351         +      Not Applicable
  03/17/2026 03 AM PDT           64.92            351         0      Not Applicable
  03/17/2026 04 AM PDT           64.93            353         +      Not Applicable
  03/17/2026 05 AM PDT           64.94            355         +      Not Applicable
  03/17/2026 06 AM PDT           64.94            355         0      Not Applicable
  03/17/2026 07 AM PDT           64.94            355         0      Not Applicable
  03/17/2026 08 AM PDT           64.96            358         +      Not Applicable
  03/17/2026 09 AM PDT           64.96            358         0      Not Applicable
  03/17/2026 10 AM PDT           64.97            360         +      Not Applicable
  03/17/2026 11 AM PDT           64.98            362         +      Not Applicable
  03/17/2026 12 PM PDT           65.00            365         +      Not Applicable
  03/17/2026 01 PM PDT           65.02            369         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/17/2026 02 PM PDT           65.04            372                Not Applicable
  03/17/2026 03 PM PDT           65.06            376         +      Not Applicable
  03/17/2026 04 PM PDT           65.07            378         +      Not Applicable
  03/17/2026 05 PM PDT           65.09            381         +      Not Applicable
  03/17/2026 06 PM PDT           65.11            385         +      Not Applicable
  03/17/2026 07 PM PDT           65.13            388         +      Not Applicable
  03/17/2026 08 PM PDT           65.15            392         +      Not Applicable
  03/17/2026 09 PM PDT           65.16            394         +      Not Applicable
  03/17/2026 10 PM PDT           65.18            398         +      Not Applicable
  03/17/2026 11 PM PDT           65.20            401         +      Not Applicable
  03/18/2026 12 AM PDT           65.21            403         +      Not Applicable
  03/18/2026 01 AM PDT           65.23            407         +      Not Applicable
  03/18/2026 02 AM PDT           65.24            409         +      Not Applicable
  03/18/2026 03 AM PDT           65.26            413         +      Not Applicable
  03/18/2026 04 AM PDT           65.28            417         +      Not Applicable
  03/18/2026 05 AM PDT           65.30            420         +      Not Applicable
  03/18/2026 06 AM PDT           65.31            422         +      Not Applicable
  03/18/2026 07 AM PDT           65.33            426         +      Not Applicable
  03/18/2026 08 AM PDT           65.34            428         +      Not Applicable
  03/18/2026 09 AM PDT           65.36            432         +      Not Applicable
  03/18/2026 10 AM PDT           65.37            434         +      Not Applicable
  03/18/2026 11 AM PDT           65.39            438         +      Not Applicable
  03/18/2026 12 PM PDT           65.40            440         +      Not Applicable
  03/18/2026 01 PM PDT           65.41            442         +      Not Applicable
  03/18/2026 02 PM PDT           65.43            446         +      Not Applicable
  03/18/2026 03 PM PDT           65.44            448         +      Not Applicable
  03/18/2026 04 PM PDT           65.45            450         +      Not Applicable
  03/18/2026 05 PM PDT           65.47            454         +      Not Applicable
  03/18/2026 06 PM PDT           65.48            456         +      Not Applicable
  03/18/2026 07 PM PDT           65.49            458         +      Not Applicable
  03/18/2026 08 PM PDT           65.50            460         +      Not Applicable
  03/18/2026 09 PM PDT           65.51            462         +      Not Applicable
  03/18/2026 10 PM PDT           65.53            466         +      Not Applicable
  03/18/2026 11 PM PDT           65.54            468         +      Not Applicable
  03/19/2026 12 AM PDT           65.55            470         +      Not Applicable
  03/19/2026 01 AM PDT           65.56            472         +      Not Applicable
  03/19/2026 02 AM PDT           65.57            474         +      Not Applicable
  03/19/2026 03 AM PDT           65.58            476         +      Not Applicable
  03/19/2026 04 AM PDT           65.59            478         +      Not Applicable
  03/19/2026 05 AM PDT           65.60            480         +      Not Applicable
  03/19/2026 06 AM PDT           65.61            482         +      Not Applicable
  03/19/2026 07 AM PDT           65.62            485         +      Not Applicable
  03/19/2026 08 AM PDT           65.62            485         0      Not Applicable
  03/19/2026 09 AM PDT           65.63            487         +      Not Applicable
  03/19/2026 10 AM PDT           65.64            489         +      Not Applicable
  03/19/2026 11 AM PDT           65.65            491         +      Not Applicable
  03/19/2026 12 PM PDT           65.66            493         +      Not Applicable
  03/19/2026 01 PM PDT           65.67            495         +      Not Applicable
  03/19/2026 02 PM PDT           65.68            497         +      Not Applicable
  03/19/2026 03 PM PDT           65.68            497         0      Not Applicable
  03/19/2026 04 PM PDT           65.69            499         +      Not Applicable
  03/19/2026 05 PM PDT           65.70            501         +      Not Applicable
  03/19/2026 06 PM PDT           65.70            501         0      Not Applicable
  03/19/2026 07 PM PDT           65.71            504         +      Not Applicable
  03/19/2026 08 PM PDT           65.72            506         +      Not Applicable
  03/19/2026 09 PM PDT           65.72            506         0      Not Applicable
  03/19/2026 10 PM PDT           65.73            508         +      Not Applicable
  03/19/2026 11 PM PDT           65.73            508         0      Not Applicable
  03/20/2026 12 AM PDT           65.74            510         +      Not Applicable
  03/20/2026 01 AM PDT           65.75            512         +      Not Applicable
  03/20/2026 02 AM PDT           65.75            512         0      Not Applicable
  03/20/2026 03 AM PDT           65.76            514         +      Not Applicable
  03/20/2026 04 AM PDT           65.76            514         0      Not Applicable
  03/20/2026 05 AM PDT           65.77            517         +      Not Applicable
  03/20/2026 06 AM PDT           65.77            517         0      Not Applicable
  03/20/2026 07 AM PDT           65.78            519         +      Not Applicable
  03/20/2026 08 AM PDT           65.78            519         0      Not Applicable
  03/20/2026 09 AM PDT           65.79            521         +      Not Applicable
  03/20/2026 10 AM PDT           65.79            521         0      Not Applicable
  03/20/2026 11 AM PDT           65.80            523         +      Not Applicable
  03/20/2026 12 PM PDT           65.80            523         0      Not Applicable
  03/20/2026 01 PM PDT           65.80            523         0      Not Applicable
  03/20/2026 02 PM PDT           65.81            525         +      Not Applicable
  03/20/2026 03 PM PDT           65.81            525         0      Not Applicable
  03/20/2026 04 PM PDT           65.82            527         +      Not Applicable
  03/20/2026 05 PM PDT           65.82            527         0      Not Applicable
  03/20/2026 06 PM PDT           65.82            527         0      Not Applicable
  03/20/2026 07 PM PDT           65.83            530         +      Not Applicable
  03/20/2026 08 PM PDT           65.83            530         0      Not Applicable
  03/20/2026 09 PM PDT           65.83            530         0      Not Applicable
  03/20/2026 10 PM PDT           65.83            530         0      Not Applicable
  03/20/2026 11 PM PDT           65.84            532         +      Not Applicable
  03/21/2026 12 AM PDT           65.84            532         0      Not Applicable
  03/21/2026 01 AM PDT           65.84            532         0      Not Applicable
  03/21/2026 02 AM PDT           65.85            534         +      Not Applicable
  03/21/2026 03 AM PDT           65.85            534         0      Not Applicable
  03/21/2026 04 AM PDT           65.85            534         0      Not Applicable
  03/21/2026 05 AM PDT           65.86            536         +      Not Applicable
  03/21/2026 06 AM PDT           65.86            536         0      Not Applicable
  03/21/2026 07 AM PDT           65.86            536         0      Not Applicable
  03/21/2026 08 AM PDT           65.86            536         0      Not Applicable
  03/21/2026 09 AM PDT           65.86            536         0      Not Applicable
  03/21/2026 10 AM PDT           65.87            539         +      Not Applicable
  03/21/2026 11 AM PDT           65.87            539         0      Not Applicable
  03/21/2026 12 PM PDT           65.87            539         0      Not Applicable
  03/21/2026 01 PM PDT           65.87            539         0      Not Applicable
  03/21/2026 02 PM PDT           65.87            539         0      Not Applicable
  03/21/2026 03 PM PDT           65.88            541         +      Not Applicable
  03/21/2026 04 PM PDT           65.88            541         0      Not Applicable
  03/21/2026 05 PM PDT           65.88            541         0      Not Applicable
  03/21/2026 06 PM PDT           65.88            541         0      Not Applicable
  03/21/2026 07 PM PDT           65.88            541         0      Not Applicable
  03/21/2026 08 PM PDT           65.89            543         +      Not Applicable
  03/21/2026 09 PM PDT           65.89            543         0      Not Applicable
  03/21/2026 10 PM PDT           65.89            543         0      Not Applicable
  03/21/2026 11 PM PDT           65.89            543         0      Not Applicable
  03/22/2026 12 AM PDT           65.89            543         0      Not Applicable
  03/22/2026 01 AM PDT           65.89            543         0      Not Applicable
  03/22/2026 02 AM PDT           65.90            545         +      Not Applicable
  03/22/2026 03 AM PDT           65.90            545         0      Not Applicable
  03/22/2026 04 AM PDT           65.90            545         0      Not Applicable
  03/22/2026 05 AM PDT           65.90            545         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.