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: May 13 2026 at 8:35 AM PDTNext Issuance: May 14 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:  05/13/2026 at 08:37 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/08/2026 at 02:00 PM PDT
# Maximum Observed Stage:                       4.08 Feet
# Maximum Observed Flow:                        382 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/17/2026 at 07:00 AM PDT
# Maximum Forecast Stage:                       3.83 Feet
# Maximum Forecast Flow:                        319 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/08/2026 08 AM PDT            4.03            369                Not Applicable
  05/08/2026 09 AM PDT            4.03            369         0      Not Applicable
  05/08/2026 10 AM PDT            4.02            366         -      Not Applicable
  05/08/2026 11 AM PDT            4.00            361         -      Not Applicable
  05/08/2026 12 PM PDT            4.00            361         0      Not Applicable
  05/08/2026 01 PM PDT            4.00            361         0      Not Applicable
  05/08/2026 02 PM PDT            4.08            382         +      Not Applicable
  05/08/2026 03 PM PDT            4.05            374         -      Not Applicable
  05/08/2026 04 PM PDT            4.04            371         -      Not Applicable
  05/08/2026 05 PM PDT            3.96            351         -      Not Applicable
  05/08/2026 06 PM PDT            3.95            348         -      Not Applicable
  05/08/2026 07 PM PDT            4.02            366         +      Not Applicable
  05/08/2026 08 PM PDT            3.97            353         -      Not Applicable
  05/08/2026 09 PM PDT            4.00            361         +      Not Applicable
  05/08/2026 10 PM PDT            4.01            363         +      Not Applicable
  05/08/2026 11 PM PDT            4.01            363         0      Not Applicable
  05/09/2026 12 AM PDT            3.91            338         -      Not Applicable
  05/09/2026 01 AM PDT            3.90            336         -      Not Applicable
  05/09/2026 02 AM PDT            3.89            333         -      Not Applicable
  05/09/2026 03 AM PDT            3.93            343         +      Not Applicable
  05/09/2026 04 AM PDT            3.88            331         -      Not Applicable
  05/09/2026 05 AM PDT            3.88            331         0      Not Applicable
  05/09/2026 06 AM PDT            3.87            328         -      Not Applicable
  05/09/2026 07 AM PDT            3.88            331         +      Not Applicable
  05/09/2026 08 AM PDT            3.87            328         -      Not Applicable
  05/09/2026 09 AM PDT            3.87            328         0      Not Applicable
  05/09/2026 10 AM PDT            3.87            328         0      Not Applicable
  05/09/2026 11 AM PDT            3.87            328         0      Not Applicable
  05/09/2026 12 PM PDT            3.86            326         -      Not Applicable
  05/09/2026 01 PM PDT            3.86            326         0      Not Applicable
  05/09/2026 02 PM PDT            3.92            341         +      Not Applicable
  05/09/2026 03 PM PDT            3.86            326         -      Not Applicable
  05/09/2026 04 PM PDT            3.88            331         +      Not Applicable
  05/09/2026 05 PM PDT            3.88            331         0      Not Applicable
  05/09/2026 06 PM PDT            3.86            326         -      Not Applicable
  05/09/2026 07 PM PDT            3.87            328         +      Not Applicable
  05/09/2026 08 PM PDT            3.86            326         -      Not Applicable
  05/09/2026 09 PM PDT            3.86            326         0      Not Applicable
  05/09/2026 10 PM PDT            3.87            328         +      Not Applicable
  05/09/2026 11 PM PDT            3.87            328         0      Not Applicable
  05/10/2026 12 AM PDT            3.86            326         -      Not Applicable
  05/10/2026 01 AM PDT            3.86            326         0      Not Applicable
  05/10/2026 02 AM PDT            3.86            326         0      Not Applicable
  05/10/2026 03 AM PDT            3.86            326         0      Not Applicable
  05/10/2026 04 AM PDT            3.86            326         0      Not Applicable
  05/10/2026 05 AM PDT            3.85            324         -      Not Applicable
  05/10/2026 06 AM PDT            3.85            324         0      Not Applicable
  05/10/2026 07 AM PDT            3.85            324         0      Not Applicable
  05/10/2026 08 AM PDT            3.86            326         +      Not Applicable
  05/10/2026 09 AM PDT            3.86            326         0      Not Applicable
  05/10/2026 10 AM PDT            3.86            326         0      Not Applicable
  05/10/2026 11 AM PDT            3.86            326         0      Not Applicable
  05/10/2026 12 PM PDT            3.86            326         0      Not Applicable
  05/10/2026 01 PM PDT            3.85            324         -      Not Applicable
  05/10/2026 02 PM PDT            3.85            324         0      Not Applicable
  05/10/2026 03 PM PDT            3.85            324         0      Not Applicable
  05/10/2026 04 PM PDT            3.85            324         0      Not Applicable
  05/10/2026 05 PM PDT            3.85            324         0      Not Applicable
  05/10/2026 06 PM PDT            3.85            324         0      Not Applicable
  05/10/2026 07 PM PDT            3.85            324         0      Not Applicable
  05/10/2026 08 PM PDT            3.85            324         0      Not Applicable
  05/10/2026 09 PM PDT            3.85            324         0      Not Applicable
  05/10/2026 10 PM PDT            3.85            324         0      Not Applicable
  05/10/2026 11 PM PDT            3.85            324         0      Not Applicable
  05/11/2026 12 AM PDT            3.85            324         0      Not Applicable
  05/11/2026 01 AM PDT            3.85            324         0      Not Applicable
  05/11/2026 02 AM PDT            3.85            324         0      Not Applicable
  05/11/2026 03 AM PDT            3.86            326         +      Not Applicable
  05/11/2026 04 AM PDT            3.86            326         0      Not Applicable
  05/11/2026 05 AM PDT            3.86            326         0      Not Applicable
  05/11/2026 06 AM PDT            3.86            326         0      Not Applicable
  05/11/2026 07 AM PDT            3.86            326         0      Not Applicable
  05/11/2026 08 AM PDT            3.86            326         0      Not Applicable
  05/11/2026 09 AM PDT            3.86            326         0      Not Applicable
  05/11/2026 10 AM PDT            3.86            326         0      Not Applicable
  05/11/2026 11 AM PDT            3.86            326         0      Not Applicable
  05/11/2026 12 PM PDT            3.85            324         -      Not Applicable
  05/11/2026 01 PM PDT            3.86            326         +      Not Applicable
  05/11/2026 02 PM PDT            3.85            324         -      Not Applicable
  05/11/2026 03 PM PDT            3.85            324         0      Not Applicable
  05/11/2026 04 PM PDT            3.85            324         0      Not Applicable
  05/11/2026 05 PM PDT            3.85            324         0      Not Applicable
  05/11/2026 06 PM PDT            3.85            324         0      Not Applicable
  05/11/2026 07 PM PDT            3.85            324         0      Not Applicable
  05/11/2026 08 PM PDT            3.85            324         0      Not Applicable
  05/11/2026 09 PM PDT            3.85            324         0      Not Applicable
  05/11/2026 10 PM PDT            3.86            326         +      Not Applicable
  05/11/2026 11 PM PDT            3.86            326         0      Not Applicable
  05/12/2026 12 AM PDT            3.85            324         -      Not Applicable
  05/12/2026 01 AM PDT            3.86            326         +      Not Applicable
  05/12/2026 02 AM PDT            3.87            328         +      Not Applicable
  05/12/2026 03 AM PDT            3.87            328         0      Not Applicable
  05/12/2026 04 AM PDT            3.87            328         0      Not Applicable
  05/12/2026 05 AM PDT            3.87            328         0      Not Applicable
  05/12/2026 06 AM PDT            3.87            328         0      Not Applicable
  05/12/2026 07 AM PDT            3.87            328         0      Not Applicable
  05/12/2026 08 AM PDT            3.88            331         +      Not Applicable
  05/12/2026 09 AM PDT            3.84            321         -      Not Applicable
  05/12/2026 10 AM PDT            3.81            314         -      Not Applicable
  05/12/2026 11 AM PDT            3.81            314         0      Not Applicable
  05/12/2026 12 PM PDT            3.80            312         -      Not Applicable
  05/12/2026 01 PM PDT            3.80            312         0      Not Applicable
  05/12/2026 02 PM PDT            3.80            312         0      Not Applicable
  05/12/2026 03 PM PDT            3.80            312         0      Not Applicable
  05/12/2026 04 PM PDT            3.81            314         +      Not Applicable
  05/12/2026 05 PM PDT            3.81            314         0      Not Applicable
  05/12/2026 06 PM PDT            3.81            314         0      Not Applicable
  05/12/2026 07 PM PDT            3.80            312         -      Not Applicable
  05/12/2026 08 PM PDT            3.80            312         0      Not Applicable
  05/12/2026 09 PM PDT            3.80            312         0      Not Applicable
  05/12/2026 10 PM PDT            3.79            309         -      Not Applicable
  05/12/2026 11 PM PDT            3.79            309         0      Not Applicable
  05/13/2026 12 AM PDT            3.79            309         0      Not Applicable
  05/13/2026 01 AM PDT            3.79            309         0      Not Applicable
  05/13/2026 02 AM PDT            3.79            309         0      Not Applicable
  05/13/2026 03 AM PDT            3.78            307         -      Not Applicable
  05/13/2026 04 AM PDT            3.78            307         0      Not Applicable
  05/13/2026 05 AM PDT            3.78            307         0      Not Applicable
  05/13/2026 06 AM PDT            3.78            307         0      Not Applicable
  05/13/2026 07 AM PDT            3.78            307         0      Not Applicable
  05/13/2026 08 AM PDT            3.78            307         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/13/2026 09 AM PDT            3.78            307                Not Applicable
  05/13/2026 10 AM PDT            3.78            307         0      Not Applicable
  05/13/2026 11 AM PDT            3.79            309         +      Not Applicable
  05/13/2026 12 PM PDT            3.79            309         0      Not Applicable
  05/13/2026 01 PM PDT            3.79            309         0      Not Applicable
  05/13/2026 02 PM PDT            3.79            309         0      Not Applicable
  05/13/2026 03 PM PDT            3.79            309         0      Not Applicable
  05/13/2026 04 PM PDT            3.79            309         0      Not Applicable
  05/13/2026 05 PM PDT            3.79            309         0      Not Applicable
  05/13/2026 06 PM PDT            3.79            309         0      Not Applicable
  05/13/2026 07 PM PDT            3.79            309         0      Not Applicable
  05/13/2026 08 PM PDT            3.79            309         0      Not Applicable
  05/13/2026 09 PM PDT            3.79            309         0      Not Applicable
  05/13/2026 10 PM PDT            3.79            309         0      Not Applicable
  05/13/2026 11 PM PDT            3.79            309         0      Not Applicable
  05/14/2026 12 AM PDT            3.80            312         +      Not Applicable
  05/14/2026 01 AM PDT            3.80            312         0      Not Applicable
  05/14/2026 02 AM PDT            3.80            312         0      Not Applicable
  05/14/2026 03 AM PDT            3.80            312         0      Not Applicable
  05/14/2026 04 AM PDT            3.80            312         0      Not Applicable
  05/14/2026 05 AM PDT            3.80            312         0      Not Applicable
  05/14/2026 06 AM PDT            3.80            312         0      Not Applicable
  05/14/2026 07 AM PDT            3.80            312         0      Not Applicable
  05/14/2026 08 AM PDT            3.80            312         0      Not Applicable
  05/14/2026 09 AM PDT            3.80            312         0      Not Applicable
  05/14/2026 10 AM PDT            3.80            312         0      Not Applicable
  05/14/2026 11 AM PDT            3.80            312         0      Not Applicable
  05/14/2026 12 PM PDT            3.80            312         0      Not Applicable
  05/14/2026 01 PM PDT            3.80            312         0      Not Applicable
  05/14/2026 02 PM PDT            3.80            312         0      Not Applicable
  05/14/2026 03 PM PDT            3.80            312         0      Not Applicable
  05/14/2026 04 PM PDT            3.80            312         0      Not Applicable
  05/14/2026 05 PM PDT            3.80            312         0      Not Applicable
  05/14/2026 06 PM PDT            3.81            314         +      Not Applicable
  05/14/2026 07 PM PDT            3.81            314         0      Not Applicable
  05/14/2026 08 PM PDT            3.81            314         0      Not Applicable
  05/14/2026 09 PM PDT            3.81            314         0      Not Applicable
  05/14/2026 10 PM PDT            3.81            314         0      Not Applicable
  05/14/2026 11 PM PDT            3.81            314         0      Not Applicable
  05/15/2026 12 AM PDT            3.81            314         0      Not Applicable
  05/15/2026 01 AM PDT            3.81            314         0      Not Applicable
  05/15/2026 02 AM PDT            3.81            314         0      Not Applicable
  05/15/2026 03 AM PDT            3.81            314         0      Not Applicable
  05/15/2026 04 AM PDT            3.81            314         0      Not Applicable
  05/15/2026 05 AM PDT            3.81            314         0      Not Applicable
  05/15/2026 06 AM PDT            3.81            314         0      Not Applicable
  05/15/2026 07 AM PDT            3.81            314         0      Not Applicable
  05/15/2026 08 AM PDT            3.81            314         0      Not Applicable
  05/15/2026 09 AM PDT            3.81            314         0      Not Applicable
  05/15/2026 10 AM PDT            3.81            314         0      Not Applicable
  05/15/2026 11 AM PDT            3.81            314         0      Not Applicable
  05/15/2026 12 PM PDT            3.81            314         0      Not Applicable
  05/15/2026 01 PM PDT            3.81            314         0      Not Applicable
  05/15/2026 02 PM PDT            3.81            314         0      Not Applicable
  05/15/2026 03 PM PDT            3.82            316         +      Not Applicable
  05/15/2026 04 PM PDT            3.82            316         0      Not Applicable
  05/15/2026 05 PM PDT            3.82            316         0      Not Applicable
  05/15/2026 06 PM PDT            3.82            316         0      Not Applicable
  05/15/2026 07 PM PDT            3.82            316         0      Not Applicable
  05/15/2026 08 PM PDT            3.82            316         0      Not Applicable
  05/15/2026 09 PM PDT            3.82            316         0      Not Applicable
  05/15/2026 10 PM PDT            3.82            316         0      Not Applicable
  05/15/2026 11 PM PDT            3.82            316         0      Not Applicable
  05/16/2026 12 AM PDT            3.82            316         0      Not Applicable
  05/16/2026 01 AM PDT            3.82            316         0      Not Applicable
  05/16/2026 02 AM PDT            3.82            316         0      Not Applicable
  05/16/2026 03 AM PDT            3.82            316         0      Not Applicable
  05/16/2026 04 AM PDT            3.82            316         0      Not Applicable
  05/16/2026 05 AM PDT            3.82            316         0      Not Applicable
  05/16/2026 06 AM PDT            3.82            316         0      Not Applicable
  05/16/2026 07 AM PDT            3.82            316         0      Not Applicable
  05/16/2026 08 AM PDT            3.82            316         0      Not Applicable
  05/16/2026 09 AM PDT            3.82            316         0      Not Applicable
  05/16/2026 10 AM PDT            3.82            316         0      Not Applicable
  05/16/2026 11 AM PDT            3.82            316         0      Not Applicable
  05/16/2026 12 PM PDT            3.82            316         0      Not Applicable
  05/16/2026 01 PM PDT            3.82            316         0      Not Applicable
  05/16/2026 02 PM PDT            3.82            316         0      Not Applicable
  05/16/2026 03 PM PDT            3.82            316         0      Not Applicable
  05/16/2026 04 PM PDT            3.82            316         0      Not Applicable
  05/16/2026 05 PM PDT            3.82            316         0      Not Applicable
  05/16/2026 06 PM PDT            3.82            316         0      Not Applicable
  05/16/2026 07 PM PDT            3.82            316         0      Not Applicable
  05/16/2026 08 PM PDT            3.82            316         0      Not Applicable
  05/16/2026 09 PM PDT            3.82            316         0      Not Applicable
  05/16/2026 10 PM PDT            3.82            316         0      Not Applicable
  05/16/2026 11 PM PDT            3.82            316         0      Not Applicable
  05/17/2026 12 AM PDT            3.82            316         0      Not Applicable
  05/17/2026 01 AM PDT            3.82            316         0      Not Applicable
  05/17/2026 02 AM PDT            3.82            316         0      Not Applicable
  05/17/2026 03 AM PDT            3.82            316         0      Not Applicable
  05/17/2026 04 AM PDT            3.82            316         0      Not Applicable
  05/17/2026 05 AM PDT            3.82            316         0      Not Applicable
  05/17/2026 06 AM PDT            3.82            316         0      Not Applicable
  05/17/2026 07 AM PDT            3.83            319         +      Not Applicable
  05/17/2026 08 AM PDT            3.83            319         0      Not Applicable
  05/17/2026 09 AM PDT            3.83            319         0      Not Applicable
  05/17/2026 10 AM PDT            3.83            319         0      Not Applicable
  05/17/2026 11 AM PDT            3.83            319         0      Not Applicable
  05/17/2026 12 PM PDT            3.83            319         0      Not Applicable
  05/17/2026 01 PM PDT            3.83            319         0      Not Applicable
  05/17/2026 02 PM PDT            3.83            319         0      Not Applicable
  05/17/2026 03 PM PDT            3.83            319         0      Not Applicable
  05/17/2026 04 PM PDT            3.83            319         0      Not Applicable
  05/17/2026 05 PM PDT            3.83            319         0      Not Applicable
  05/17/2026 06 PM PDT            3.83            319         0      Not Applicable
  05/17/2026 07 PM PDT            3.83            319         0      Not Applicable
  05/17/2026 08 PM PDT            3.83            319         0      Not Applicable
  05/17/2026 09 PM PDT            3.83            319         0      Not Applicable
  05/17/2026 10 PM PDT            3.83            319         0      Not Applicable
  05/17/2026 11 PM PDT            3.83            319         0      Not Applicable
  05/18/2026 12 AM PDT            3.83            319         0      Not Applicable
  05/18/2026 01 AM PDT            3.83            319         0      Not Applicable
  05/18/2026 02 AM PDT            3.83            319         0      Not Applicable
  05/18/2026 03 AM PDT            3.83            319         0      Not Applicable
  05/18/2026 04 AM PDT            3.83            319         0      Not Applicable
  05/18/2026 05 AM PDT            3.83            319         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.