National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

 | 

SAN JOAQUIN RIVER - GRAVELLY FORD (GVAC1)
Latitude: 36.80º NLongitude: 120.16º WElevation: 170 FeetForecast Type: Unofficial Location
Location: Fresno 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 - Gravelly Ford (GVAC1)
#
# 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:                       5.39 Feet
# Maximum Observed Flow:                        810 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/19/2026 at 08:00 PM PDT
# Maximum Forecast Stage:                       5.43 Feet
# Maximum Forecast Flow:                        826 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/12/2026 01 PM PDT            4.68            557                Not Applicable
  03/12/2026 02 PM PDT            4.72            570         +      Not Applicable
  03/12/2026 03 PM PDT            4.71            566         -      Not Applicable
  03/12/2026 04 PM PDT            4.70            563         -      Not Applicable
  03/12/2026 05 PM PDT            4.69            560         -      Not Applicable
  03/12/2026 06 PM PDT            4.69            560         0      Not Applicable
  03/12/2026 07 PM PDT            4.73            573         +      Not Applicable
  03/12/2026 08 PM PDT            4.68            557         -      Not Applicable
  03/12/2026 09 PM PDT            4.67            554         -      Not Applicable
  03/12/2026 10 PM PDT            4.69            560         +      Not Applicable
  03/12/2026 11 PM PDT            4.69            560         0      Not Applicable
  03/13/2026 12 AM PDT            4.72            570         +      Not Applicable
  03/13/2026 01 AM PDT            4.76            583         +      Not Applicable
  03/13/2026 02 AM PDT            4.73            573         -      Not Applicable
  03/13/2026 03 AM PDT            4.75            579         +      Not Applicable
  03/13/2026 04 AM PDT            4.76            583         +      Not Applicable
  03/13/2026 05 AM PDT            4.76            583         0      Not Applicable
  03/13/2026 06 AM PDT            4.81            599         +      Not Applicable
  03/13/2026 07 AM PDT            4.82            603         +      Not Applicable
  03/13/2026 08 AM PDT            4.84            609         +      Not Applicable
  03/13/2026 09 AM PDT            4.83            606         -      Not Applicable
  03/13/2026 10 AM PDT            4.80            596         -      Not Applicable
  03/13/2026 11 AM PDT            4.80            596         0      Not Applicable
  03/13/2026 12 PM PDT            4.80            596         0      Not Applicable
  03/13/2026 01 PM PDT            4.79            593         -      Not Applicable
  03/13/2026 02 PM PDT            4.80            596         +      Not Applicable
  03/13/2026 03 PM PDT            4.81            599         +      Not Applicable
  03/13/2026 04 PM PDT            4.80            596         -      Not Applicable
  03/13/2026 05 PM PDT            4.80            596         0      Not Applicable
  03/13/2026 06 PM PDT            4.83            606         +      Not Applicable
  03/13/2026 07 PM PDT            4.85            613         +      Not Applicable
  03/13/2026 08 PM PDT            4.85            613         0      Not Applicable
  03/13/2026 09 PM PDT            4.85            613         0      Not Applicable
  03/13/2026 10 PM PDT            4.85            613         0      Not Applicable
  03/13/2026 11 PM PDT            4.85            613         0      Not Applicable
  03/14/2026 12 AM PDT            4.92            637         +      Not Applicable
  03/14/2026 01 AM PDT            4.92            637         0      Not Applicable
  03/14/2026 02 AM PDT            4.93            640         +      Not Applicable
  03/14/2026 03 AM PDT            4.89            626         -      Not Applicable
  03/14/2026 04 AM PDT            4.90            630         +      Not Applicable
  03/14/2026 05 AM PDT            4.91            633         +      Not Applicable
  03/14/2026 06 AM PDT            4.91            633         0      Not Applicable
  03/14/2026 07 AM PDT            4.92            637         +      Not Applicable
  03/14/2026 08 AM PDT            4.92            637         0      Not Applicable
  03/14/2026 09 AM PDT            4.93            640         +      Not Applicable
  03/14/2026 10 AM PDT            4.95            647         +      Not Applicable
  03/14/2026 11 AM PDT            4.96            650         +      Not Applicable
  03/14/2026 12 PM PDT            4.96            650         0      Not Applicable
  03/14/2026 01 PM PDT            4.98            657         +      Not Applicable
  03/14/2026 02 PM PDT            4.99            661         +      Not Applicable
  03/14/2026 03 PM PDT            5.01            668         +      Not Applicable
  03/14/2026 04 PM PDT            5.02            671         +      Not Applicable
  03/14/2026 05 PM PDT            5.04            678         +      Not Applicable
  03/14/2026 06 PM PDT            5.05            682         +      Not Applicable
  03/14/2026 07 PM PDT            5.06            686         +      Not Applicable
  03/14/2026 08 PM PDT            5.08            693         +      Not Applicable
  03/14/2026 09 PM PDT            5.09            696         +      Not Applicable
  03/14/2026 10 PM PDT            5.10            700         +      Not Applicable
  03/14/2026 11 PM PDT            5.11            704         +      Not Applicable
  03/15/2026 12 AM PDT            5.12            707         +      Not Applicable
  03/15/2026 01 AM PDT            5.13            711         +      Not Applicable
  03/15/2026 02 AM PDT            5.14            715         +      Not Applicable
  03/15/2026 03 AM PDT            5.16            722         +      Not Applicable
  03/15/2026 04 AM PDT            5.16            722         0      Not Applicable
  03/15/2026 05 AM PDT            5.17            726         +      Not Applicable
  03/15/2026 06 AM PDT            5.18            729         +      Not Applicable
  03/15/2026 07 AM PDT            5.19            733         +      Not Applicable
  03/15/2026 08 AM PDT            5.20            737         +      Not Applicable
  03/15/2026 09 AM PDT            5.21            740         +      Not Applicable
  03/15/2026 10 AM PDT            5.22            744         +      Not Applicable
  03/15/2026 11 AM PDT            5.23            748         +      Not Applicable
  03/15/2026 12 PM PDT            5.23            748         0      Not Applicable
  03/15/2026 01 PM PDT            5.24            752         +      Not Applicable
  03/15/2026 02 PM PDT            5.25            756         +      Not Applicable
  03/15/2026 03 PM PDT            5.25            756         0      Not Applicable
  03/15/2026 04 PM PDT            5.26            760         +      Not Applicable
  03/15/2026 05 PM PDT            5.27            763         +      Not Applicable
  03/15/2026 06 PM PDT            5.27            763         0      Not Applicable
  03/15/2026 07 PM PDT            5.28            767         +      Not Applicable
  03/15/2026 08 PM PDT            5.29            771         +      Not Applicable
  03/15/2026 09 PM PDT            5.29            771         0      Not Applicable
  03/15/2026 10 PM PDT            5.29            771         0      Not Applicable
  03/15/2026 11 PM PDT            5.30            775         +      Not Applicable
  03/16/2026 12 AM PDT            5.30            775         0      Not Applicable
  03/16/2026 01 AM PDT            5.31            779         +      Not Applicable
  03/16/2026 02 AM PDT            5.31            779         0      Not Applicable
  03/16/2026 03 AM PDT            5.32            783         +      Not Applicable
  03/16/2026 04 AM PDT            5.32            783         0      Not Applicable
  03/16/2026 05 AM PDT            5.33            787         +      Not Applicable
  03/16/2026 06 AM PDT            5.33            787         0      Not Applicable
  03/16/2026 07 AM PDT            5.33            787         0      Not Applicable
  03/16/2026 08 AM PDT            5.33            787         0      Not Applicable
  03/16/2026 09 AM PDT            5.34            791         +      Not Applicable
  03/16/2026 10 AM PDT            5.34            791         0      Not Applicable
  03/16/2026 11 AM PDT            5.34            791         0      Not Applicable
  03/16/2026 12 PM PDT            5.35            795         +      Not Applicable
  03/16/2026 01 PM PDT            5.35            795         0      Not Applicable
  03/16/2026 02 PM PDT            5.35            795         0      Not Applicable
  03/16/2026 03 PM PDT            5.35            795         0      Not Applicable
  03/16/2026 04 PM PDT            5.35            795         0      Not Applicable
  03/16/2026 05 PM PDT            5.36            799         +      Not Applicable
  03/16/2026 06 PM PDT            5.36            799         0      Not Applicable
  03/16/2026 07 PM PDT            5.36            799         0      Not Applicable
  03/16/2026 08 PM PDT            5.36            799         0      Not Applicable
  03/16/2026 09 PM PDT            5.36            799         0      Not Applicable
  03/16/2026 10 PM PDT            5.37            802         +      Not Applicable
  03/16/2026 11 PM PDT            5.37            802         0      Not Applicable
  03/17/2026 12 AM PDT            5.37            802         0      Not Applicable
  03/17/2026 01 AM PDT            5.37            802         0      Not Applicable
  03/17/2026 02 AM PDT            5.37            802         0      Not Applicable
  03/17/2026 03 AM PDT            5.37            802         0      Not Applicable
  03/17/2026 04 AM PDT            5.38            806         +      Not Applicable
  03/17/2026 05 AM PDT            5.38            806         0      Not Applicable
  03/17/2026 06 AM PDT            5.38            806         0      Not Applicable
  03/17/2026 07 AM PDT            5.38            806         0      Not Applicable
  03/17/2026 08 AM PDT            5.38            806         0      Not Applicable
  03/17/2026 09 AM PDT            5.38            806         0      Not Applicable
  03/17/2026 10 AM PDT            5.38            806         0      Not Applicable
  03/17/2026 11 AM PDT            5.38            806         0      Not Applicable
  03/17/2026 12 PM PDT            5.39            810         +      Not Applicable
  03/17/2026 01 PM PDT            5.39            810         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/17/2026 02 PM PDT            5.39            810                Not Applicable
  03/17/2026 03 PM PDT            5.39            810         0      Not Applicable
  03/17/2026 04 PM PDT            5.39            810         0      Not Applicable
  03/17/2026 05 PM PDT            5.39            810         0      Not Applicable
  03/17/2026 06 PM PDT            5.39            810         0      Not Applicable
  03/17/2026 07 PM PDT            5.40            814         +      Not Applicable
  03/17/2026 08 PM PDT            5.40            814         0      Not Applicable
  03/17/2026 09 PM PDT            5.40            814         0      Not Applicable
  03/17/2026 10 PM PDT            5.40            814         0      Not Applicable
  03/17/2026 11 PM PDT            5.40            814         0      Not Applicable
  03/18/2026 12 AM PDT            5.40            814         0      Not Applicable
  03/18/2026 01 AM PDT            5.40            814         0      Not Applicable
  03/18/2026 02 AM PDT            5.40            814         0      Not Applicable
  03/18/2026 03 AM PDT            5.41            818         +      Not Applicable
  03/18/2026 04 AM PDT            5.41            818         0      Not Applicable
  03/18/2026 05 AM PDT            5.41            818         0      Not Applicable
  03/18/2026 06 AM PDT            5.41            818         0      Not Applicable
  03/18/2026 07 AM PDT            5.41            818         0      Not Applicable
  03/18/2026 08 AM PDT            5.41            818         0      Not Applicable
  03/18/2026 09 AM PDT            5.41            818         0      Not Applicable
  03/18/2026 10 AM PDT            5.41            818         0      Not Applicable
  03/18/2026 11 AM PDT            5.41            818         0      Not Applicable
  03/18/2026 12 PM PDT            5.41            818         0      Not Applicable
  03/18/2026 01 PM PDT            5.41            818         0      Not Applicable
  03/18/2026 02 PM PDT            5.41            818         0      Not Applicable
  03/18/2026 03 PM PDT            5.41            818         0      Not Applicable
  03/18/2026 04 PM PDT            5.42            822         +      Not Applicable
  03/18/2026 05 PM PDT            5.42            822         0      Not Applicable
  03/18/2026 06 PM PDT            5.42            822         0      Not Applicable
  03/18/2026 07 PM PDT            5.42            822         0      Not Applicable
  03/18/2026 08 PM PDT            5.42            822         0      Not Applicable
  03/18/2026 09 PM PDT            5.42            822         0      Not Applicable
  03/18/2026 10 PM PDT            5.42            822         0      Not Applicable
  03/18/2026 11 PM PDT            5.42            822         0      Not Applicable
  03/19/2026 12 AM PDT            5.42            822         0      Not Applicable
  03/19/2026 01 AM PDT            5.42            822         0      Not Applicable
  03/19/2026 02 AM PDT            5.42            822         0      Not Applicable
  03/19/2026 03 AM PDT            5.42            822         0      Not Applicable
  03/19/2026 04 AM PDT            5.42            822         0      Not Applicable
  03/19/2026 05 AM PDT            5.42            822         0      Not Applicable
  03/19/2026 06 AM PDT            5.42            822         0      Not Applicable
  03/19/2026 07 AM PDT            5.42            822         0      Not Applicable
  03/19/2026 08 AM PDT            5.42            822         0      Not Applicable
  03/19/2026 09 AM PDT            5.42            822         0      Not Applicable
  03/19/2026 10 AM PDT            5.42            822         0      Not Applicable
  03/19/2026 11 AM PDT            5.42            822         0      Not Applicable
  03/19/2026 12 PM PDT            5.42            822         0      Not Applicable
  03/19/2026 01 PM PDT            5.42            822         0      Not Applicable
  03/19/2026 02 PM PDT            5.42            822         0      Not Applicable
  03/19/2026 03 PM PDT            5.42            822         0      Not Applicable
  03/19/2026 04 PM PDT            5.42            822         0      Not Applicable
  03/19/2026 05 PM PDT            5.42            822         0      Not Applicable
  03/19/2026 06 PM PDT            5.42            822         0      Not Applicable
  03/19/2026 07 PM PDT            5.42            822         0      Not Applicable
  03/19/2026 08 PM PDT            5.43            826         +      Not Applicable
  03/19/2026 09 PM PDT            5.43            826         0      Not Applicable
  03/19/2026 10 PM PDT            5.43            826         0      Not Applicable
  03/19/2026 11 PM PDT            5.43            826         0      Not Applicable
  03/20/2026 12 AM PDT            5.43            826         0      Not Applicable
  03/20/2026 01 AM PDT            5.43            826         0      Not Applicable
  03/20/2026 02 AM PDT            5.43            826         0      Not Applicable
  03/20/2026 03 AM PDT            5.43            826         0      Not Applicable
  03/20/2026 04 AM PDT            5.43            826         0      Not Applicable
  03/20/2026 05 AM PDT            5.43            826         0      Not Applicable
  03/20/2026 06 AM PDT            5.43            826         0      Not Applicable
  03/20/2026 07 AM PDT            5.43            826         0      Not Applicable
  03/20/2026 08 AM PDT            5.43            826         0      Not Applicable
  03/20/2026 09 AM PDT            5.43            826         0      Not Applicable
  03/20/2026 10 AM PDT            5.43            826         0      Not Applicable
  03/20/2026 11 AM PDT            5.43            826         0      Not Applicable
  03/20/2026 12 PM PDT            5.43            826         0      Not Applicable
  03/20/2026 01 PM PDT            5.43            826         0      Not Applicable
  03/20/2026 02 PM PDT            5.43            826         0      Not Applicable
  03/20/2026 03 PM PDT            5.43            826         0      Not Applicable
  03/20/2026 04 PM PDT            5.43            826         0      Not Applicable
  03/20/2026 05 PM PDT            5.43            826         0      Not Applicable
  03/20/2026 06 PM PDT            5.43            826         0      Not Applicable
  03/20/2026 07 PM PDT            5.43            826         0      Not Applicable
  03/20/2026 08 PM PDT            5.43            826         0      Not Applicable
  03/20/2026 09 PM PDT            5.43            826         0      Not Applicable
  03/20/2026 10 PM PDT            5.43            826         0      Not Applicable
  03/20/2026 11 PM PDT            5.43            826         0      Not Applicable
  03/21/2026 12 AM PDT            5.43            826         0      Not Applicable
  03/21/2026 01 AM PDT            5.43            826         0      Not Applicable
  03/21/2026 02 AM PDT            5.43            826         0      Not Applicable
  03/21/2026 03 AM PDT            5.43            826         0      Not Applicable
  03/21/2026 04 AM PDT            5.43            826         0      Not Applicable
  03/21/2026 05 AM PDT            5.43            826         0      Not Applicable
  03/21/2026 06 AM PDT            5.43            826         0      Not Applicable
  03/21/2026 07 AM PDT            5.43            826         0      Not Applicable
  03/21/2026 08 AM PDT            5.43            826         0      Not Applicable
  03/21/2026 09 AM PDT            5.43            826         0      Not Applicable
  03/21/2026 10 AM PDT            5.43            826         0      Not Applicable
  03/21/2026 11 AM PDT            5.43            826         0      Not Applicable
  03/21/2026 12 PM PDT            5.43            826         0      Not Applicable
  03/21/2026 01 PM PDT            5.43            826         0      Not Applicable
  03/21/2026 02 PM PDT            5.43            826         0      Not Applicable
  03/21/2026 03 PM PDT            5.43            826         0      Not Applicable
  03/21/2026 04 PM PDT            5.43            826         0      Not Applicable
  03/21/2026 05 PM PDT            5.43            826         0      Not Applicable
  03/21/2026 06 PM PDT            5.43            826         0      Not Applicable
  03/21/2026 07 PM PDT            5.43            826         0      Not Applicable
  03/21/2026 08 PM PDT            5.43            826         0      Not Applicable
  03/21/2026 09 PM PDT            5.43            826         0      Not Applicable
  03/21/2026 10 PM PDT            5.43            826         0      Not Applicable
  03/21/2026 11 PM PDT            5.43            826         0      Not Applicable
  03/22/2026 12 AM PDT            5.43            826         0      Not Applicable
  03/22/2026 01 AM PDT            5.43            826         0      Not Applicable
  03/22/2026 02 AM PDT            5.43            826         0      Not Applicable
  03/22/2026 03 AM PDT            5.43            826         0      Not Applicable
  03/22/2026 04 AM PDT            5.43            826         0      Not Applicable
  03/22/2026 05 AM PDT            5.43            826         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.