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: Apr 15 2026 at 1:30 PM PDTNext Issuance: Apr 16 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:  04/15/2026 at 01:33 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/15/2026 at 01:00 PM PDT
# Maximum Observed Stage:                       4.91 Feet
# Maximum Observed Flow:                        650 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/18/2026 at 02:00 PM PDT
# Maximum Forecast Stage:                       4.97 Feet
# Maximum Forecast Flow:                        671 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/10/2026 01 PM PDT            4.72            586                Not Applicable
  04/10/2026 02 PM PDT            4.71            583         -      Not Applicable
  04/10/2026 03 PM PDT            4.71            583         0      Not Applicable
  04/10/2026 04 PM PDT            4.71            583         0      Not Applicable
  04/10/2026 05 PM PDT            4.72            586         +      Not Applicable
  04/10/2026 06 PM PDT            4.72            586         0      Not Applicable
  04/10/2026 07 PM PDT            4.72            586         0      Not Applicable
  04/10/2026 08 PM PDT            4.72            586         0      Not Applicable
  04/10/2026 09 PM PDT            4.73            589         +      Not Applicable
  04/10/2026 10 PM PDT            4.73            589         0      Not Applicable
  04/10/2026 11 PM PDT            4.73            589         0      Not Applicable
  04/11/2026 12 AM PDT            4.73            589         0      Not Applicable
  04/11/2026 01 AM PDT            4.73            589         0      Not Applicable
  04/11/2026 02 AM PDT            4.74            593         +      Not Applicable
  04/11/2026 03 AM PDT            4.74            593         0      Not Applicable
  04/11/2026 04 AM PDT            4.74            593         0      Not Applicable
  04/11/2026 05 AM PDT            4.74            593         0      Not Applicable
  04/11/2026 06 AM PDT            4.74            593         0      Not Applicable
  04/11/2026 07 AM PDT            4.74            593         0      Not Applicable
  04/11/2026 08 AM PDT            4.74            593         0      Not Applicable
  04/11/2026 09 AM PDT            4.74            593         0      Not Applicable
  04/11/2026 10 AM PDT            4.74            593         0      Not Applicable
  04/11/2026 11 AM PDT            4.74            593         0      Not Applicable
  04/11/2026 12 PM PDT            4.74            593         0      Not Applicable
  04/11/2026 01 PM PDT            4.74            593         0      Not Applicable
  04/11/2026 02 PM PDT            4.74            593         0      Not Applicable
  04/11/2026 03 PM PDT            4.74            593         0      Not Applicable
  04/11/2026 04 PM PDT            4.74            593         0      Not Applicable
  04/11/2026 05 PM PDT            4.75            596         +      Not Applicable
  04/11/2026 06 PM PDT            4.75            596         0      Not Applicable
  04/11/2026 07 PM PDT            4.75            596         0      Not Applicable
  04/11/2026 08 PM PDT            4.75            596         0      Not Applicable
  04/11/2026 09 PM PDT            4.74            593         -      Not Applicable
  04/11/2026 10 PM PDT            4.75            596         +      Not Applicable
  04/11/2026 11 PM PDT            4.75            596         0      Not Applicable
  04/12/2026 12 AM PDT            4.75            596         0      Not Applicable
  04/12/2026 01 AM PDT            4.76            599         +      Not Applicable
  04/12/2026 02 AM PDT            4.76            599         0      Not Applicable
  04/12/2026 03 AM PDT            4.76            599         0      Not Applicable
  04/12/2026 04 AM PDT            4.76            599         0      Not Applicable
  04/12/2026 05 AM PDT            4.76            599         0      Not Applicable
  04/12/2026 06 AM PDT            4.76            599         0      Not Applicable
  04/12/2026 07 AM PDT            4.76            599         0      Not Applicable
  04/12/2026 08 AM PDT            4.77            603         +      Not Applicable
  04/12/2026 09 AM PDT            4.78            606         +      Not Applicable
  04/12/2026 10 AM PDT            4.78            606         0      Not Applicable
  04/12/2026 11 AM PDT            4.79            609         +      Not Applicable
  04/12/2026 12 PM PDT            4.77            603         -      Not Applicable
  04/12/2026 01 PM PDT            4.77            603         0      Not Applicable
  04/12/2026 02 PM PDT            4.77            603         0      Not Applicable
  04/12/2026 03 PM PDT            4.78            606         +      Not Applicable
  04/12/2026 04 PM PDT            4.78            606         0      Not Applicable
  04/12/2026 05 PM PDT            4.79            609         +      Not Applicable
  04/12/2026 06 PM PDT            4.79            609         0      Not Applicable
  04/12/2026 07 PM PDT            4.79            609         0      Not Applicable
  04/12/2026 08 PM PDT            4.80            613         +      Not Applicable
  04/12/2026 09 PM PDT            4.80            613         0      Not Applicable
  04/12/2026 10 PM PDT            4.80            613         0      Not Applicable
  04/12/2026 11 PM PDT            4.80            613         0      Not Applicable
  04/13/2026 12 AM PDT            4.80            613         0      Not Applicable
  04/13/2026 01 AM PDT            4.80            613         0      Not Applicable
  04/13/2026 02 AM PDT            4.80            613         0      Not Applicable
  04/13/2026 03 AM PDT            4.80            613         0      Not Applicable
  04/13/2026 04 AM PDT            4.81            616         +      Not Applicable
  04/13/2026 05 AM PDT            4.81            616         0      Not Applicable
  04/13/2026 06 AM PDT            4.81            616         0      Not Applicable
  04/13/2026 07 AM PDT            4.82            619         +      Not Applicable
  04/13/2026 08 AM PDT            4.82            619         0      Not Applicable
  04/13/2026 09 AM PDT            4.83            623         +      Not Applicable
  04/13/2026 10 AM PDT            4.83            623         0      Not Applicable
  04/13/2026 11 AM PDT            4.83            623         0      Not Applicable
  04/13/2026 12 PM PDT            4.83            623         0      Not Applicable
  04/13/2026 01 PM PDT            4.83            623         0      Not Applicable
  04/13/2026 02 PM PDT            4.83            623         0      Not Applicable
  04/13/2026 03 PM PDT            4.83            623         0      Not Applicable
  04/13/2026 04 PM PDT            4.83            623         0      Not Applicable
  04/13/2026 05 PM PDT            4.83            623         0      Not Applicable
  04/13/2026 06 PM PDT            4.83            623         0      Not Applicable
  04/13/2026 07 PM PDT            4.83            623         0      Not Applicable
  04/13/2026 08 PM PDT            4.83            623         0      Not Applicable
  04/13/2026 09 PM PDT            4.83            623         0      Not Applicable
  04/13/2026 10 PM PDT            4.83            623         0      Not Applicable
  04/13/2026 11 PM PDT            4.83            623         0      Not Applicable
  04/14/2026 12 AM PDT            4.83            623         0      Not Applicable
  04/14/2026 01 AM PDT            4.83            623         0      Not Applicable
  04/14/2026 02 AM PDT            4.82            619         -      Not Applicable
  04/14/2026 03 AM PDT            4.82            619         0      Not Applicable
  04/14/2026 04 AM PDT            4.82            619         0      Not Applicable
  04/14/2026 05 AM PDT            4.82            619         0      Not Applicable
  04/14/2026 06 AM PDT            4.82            619         0      Not Applicable
  04/14/2026 07 AM PDT            4.82            619         0      Not Applicable
  04/14/2026 08 AM PDT            4.82            619         0      Not Applicable
  04/14/2026 09 AM PDT            4.82            619         0      Not Applicable
  04/14/2026 10 AM PDT            4.84            626         +      Not Applicable
  04/14/2026 11 AM PDT            4.85            630         +      Not Applicable
  04/14/2026 12 PM PDT            4.87            637         +      Not Applicable
  04/14/2026 01 PM PDT            4.89            643         +      Not Applicable
  04/14/2026 02 PM PDT            4.89            643         0      Not Applicable
  04/14/2026 03 PM PDT            4.89            643         0      Not Applicable
  04/14/2026 04 PM PDT            4.90            647         +      Not Applicable
  04/14/2026 05 PM PDT            4.90            647         0      Not Applicable
  04/14/2026 06 PM PDT            4.91            650         +      Not Applicable
  04/14/2026 07 PM PDT            4.89            643         -      Not Applicable
  04/14/2026 08 PM PDT            4.88            640         -      Not Applicable
  04/14/2026 09 PM PDT            4.89            643         +      Not Applicable
  04/14/2026 10 PM PDT            4.91            650         +      Not Applicable
  04/14/2026 11 PM PDT            4.90            647         -      Not Applicable
  04/15/2026 12 AM PDT            4.89            643         -      Not Applicable
  04/15/2026 01 AM PDT            4.89            643         0      Not Applicable
  04/15/2026 02 AM PDT            4.88            640         -      Not Applicable
  04/15/2026 03 AM PDT            4.90            647         +      Not Applicable
  04/15/2026 04 AM PDT            4.89            643         -      Not Applicable
  04/15/2026 05 AM PDT            4.90            647         +      Not Applicable
  04/15/2026 06 AM PDT            4.89            643         -      Not Applicable
  04/15/2026 07 AM PDT            4.91            650         +      Not Applicable
  04/15/2026 08 AM PDT            4.91            650         0      Not Applicable
  04/15/2026 09 AM PDT            4.91            650         0      Not Applicable
  04/15/2026 10 AM PDT            4.91            650         0      Not Applicable
  04/15/2026 11 AM PDT            4.91            650         0      Not Applicable
  04/15/2026 12 PM PDT            4.91            650         0      Not Applicable
  04/15/2026 01 PM PDT            4.91            650         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/15/2026 02 PM PDT            4.92            654                Not Applicable
  04/15/2026 03 PM PDT            4.92            654         0      Not Applicable
  04/15/2026 04 PM PDT            4.92            654         0      Not Applicable
  04/15/2026 05 PM PDT            4.92            654         0      Not Applicable
  04/15/2026 06 PM PDT            4.92            654         0      Not Applicable
  04/15/2026 07 PM PDT            4.92            654         0      Not Applicable
  04/15/2026 08 PM PDT            4.92            654         0      Not Applicable
  04/15/2026 09 PM PDT            4.93            657         +      Not Applicable
  04/15/2026 10 PM PDT            4.93            657         0      Not Applicable
  04/15/2026 11 PM PDT            4.93            657         0      Not Applicable
  04/16/2026 12 AM PDT            4.93            657         0      Not Applicable
  04/16/2026 01 AM PDT            4.93            657         0      Not Applicable
  04/16/2026 02 AM PDT            4.93            657         0      Not Applicable
  04/16/2026 03 AM PDT            4.93            657         0      Not Applicable
  04/16/2026 04 AM PDT            4.93            657         0      Not Applicable
  04/16/2026 05 AM PDT            4.94            661         +      Not Applicable
  04/16/2026 06 AM PDT            4.94            661         0      Not Applicable
  04/16/2026 07 AM PDT            4.94            661         0      Not Applicable
  04/16/2026 08 AM PDT            4.94            661         0      Not Applicable
  04/16/2026 09 AM PDT            4.94            661         0      Not Applicable
  04/16/2026 10 AM PDT            4.94            661         0      Not Applicable
  04/16/2026 11 AM PDT            4.94            661         0      Not Applicable
  04/16/2026 12 PM PDT            4.94            661         0      Not Applicable
  04/16/2026 01 PM PDT            4.94            661         0      Not Applicable
  04/16/2026 02 PM PDT            4.94            661         0      Not Applicable
  04/16/2026 03 PM PDT            4.95            664         +      Not Applicable
  04/16/2026 04 PM PDT            4.95            664         0      Not Applicable
  04/16/2026 05 PM PDT            4.95            664         0      Not Applicable
  04/16/2026 06 PM PDT            4.95            664         0      Not Applicable
  04/16/2026 07 PM PDT            4.95            664         0      Not Applicable
  04/16/2026 08 PM PDT            4.95            664         0      Not Applicable
  04/16/2026 09 PM PDT            4.95            664         0      Not Applicable
  04/16/2026 10 PM PDT            4.95            664         0      Not Applicable
  04/16/2026 11 PM PDT            4.95            664         0      Not Applicable
  04/17/2026 12 AM PDT            4.95            664         0      Not Applicable
  04/17/2026 01 AM PDT            4.95            664         0      Not Applicable
  04/17/2026 02 AM PDT            4.95            664         0      Not Applicable
  04/17/2026 03 AM PDT            4.95            664         0      Not Applicable
  04/17/2026 04 AM PDT            4.95            664         0      Not Applicable
  04/17/2026 05 AM PDT            4.95            664         0      Not Applicable
  04/17/2026 06 AM PDT            4.96            668         +      Not Applicable
  04/17/2026 07 AM PDT            4.96            668         0      Not Applicable
  04/17/2026 08 AM PDT            4.96            668         0      Not Applicable
  04/17/2026 09 AM PDT            4.96            668         0      Not Applicable
  04/17/2026 10 AM PDT            4.96            668         0      Not Applicable
  04/17/2026 11 AM PDT            4.96            668         0      Not Applicable
  04/17/2026 12 PM PDT            4.96            668         0      Not Applicable
  04/17/2026 01 PM PDT            4.96            668         0      Not Applicable
  04/17/2026 02 PM PDT            4.96            668         0      Not Applicable
  04/17/2026 03 PM PDT            4.96            668         0      Not Applicable
  04/17/2026 04 PM PDT            4.96            668         0      Not Applicable
  04/17/2026 05 PM PDT            4.96            668         0      Not Applicable
  04/17/2026 06 PM PDT            4.96            668         0      Not Applicable
  04/17/2026 07 PM PDT            4.96            668         0      Not Applicable
  04/17/2026 08 PM PDT            4.96            668         0      Not Applicable
  04/17/2026 09 PM PDT            4.96            668         0      Not Applicable
  04/17/2026 10 PM PDT            4.96            668         0      Not Applicable
  04/17/2026 11 PM PDT            4.96            668         0      Not Applicable
  04/18/2026 12 AM PDT            4.96            668         0      Not Applicable
  04/18/2026 01 AM PDT            4.96            668         0      Not Applicable
  04/18/2026 02 AM PDT            4.96            668         0      Not Applicable
  04/18/2026 03 AM PDT            4.96            668         0      Not Applicable
  04/18/2026 04 AM PDT            4.96            668         0      Not Applicable
  04/18/2026 05 AM PDT            4.96            668         0      Not Applicable
  04/18/2026 06 AM PDT            4.96            668         0      Not Applicable
  04/18/2026 07 AM PDT            4.96            668         0      Not Applicable
  04/18/2026 08 AM PDT            4.96            668         0      Not Applicable
  04/18/2026 09 AM PDT            4.96            668         0      Not Applicable
  04/18/2026 10 AM PDT            4.96            668         0      Not Applicable
  04/18/2026 11 AM PDT            4.96            668         0      Not Applicable
  04/18/2026 12 PM PDT            4.96            668         0      Not Applicable
  04/18/2026 01 PM PDT            4.96            668         0      Not Applicable
  04/18/2026 02 PM PDT            4.97            671         +      Not Applicable
  04/18/2026 03 PM PDT            4.97            671         0      Not Applicable
  04/18/2026 04 PM PDT            4.97            671         0      Not Applicable
  04/18/2026 05 PM PDT            4.97            671         0      Not Applicable
  04/18/2026 06 PM PDT            4.97            671         0      Not Applicable
  04/18/2026 07 PM PDT            4.97            671         0      Not Applicable
  04/18/2026 08 PM PDT            4.97            671         0      Not Applicable
  04/18/2026 09 PM PDT            4.97            671         0      Not Applicable
  04/18/2026 10 PM PDT            4.97            671         0      Not Applicable
  04/18/2026 11 PM PDT            4.97            671         0      Not Applicable
  04/19/2026 12 AM PDT            4.97            671         0      Not Applicable
  04/19/2026 01 AM PDT            4.97            671         0      Not Applicable
  04/19/2026 02 AM PDT            4.97            671         0      Not Applicable
  04/19/2026 03 AM PDT            4.97            671         0      Not Applicable
  04/19/2026 04 AM PDT            4.97            671         0      Not Applicable
  04/19/2026 05 AM PDT            4.97            671         0      Not Applicable
  04/19/2026 06 AM PDT            4.97            671         0      Not Applicable
  04/19/2026 07 AM PDT            4.97            671         0      Not Applicable
  04/19/2026 08 AM PDT            4.97            671         0      Not Applicable
  04/19/2026 09 AM PDT            4.97            671         0      Not Applicable
  04/19/2026 10 AM PDT            4.97            671         0      Not Applicable
  04/19/2026 11 AM PDT            4.97            671         0      Not Applicable
  04/19/2026 12 PM PDT            4.97            671         0      Not Applicable
  04/19/2026 01 PM PDT            4.97            671         0      Not Applicable
  04/19/2026 02 PM PDT            4.97            671         0      Not Applicable
  04/19/2026 03 PM PDT            4.97            671         0      Not Applicable
  04/19/2026 04 PM PDT            4.97            671         0      Not Applicable
  04/19/2026 05 PM PDT            4.97            671         0      Not Applicable
  04/19/2026 06 PM PDT            4.97            671         0      Not Applicable
  04/19/2026 07 PM PDT            4.97            671         0      Not Applicable
  04/19/2026 08 PM PDT            4.97            671         0      Not Applicable
  04/19/2026 09 PM PDT            4.97            671         0      Not Applicable
  04/19/2026 10 PM PDT            4.97            671         0      Not Applicable
  04/19/2026 11 PM PDT            4.97            671         0      Not Applicable
  04/20/2026 12 AM PDT            4.97            671         0      Not Applicable
  04/20/2026 01 AM PDT            4.97            671         0      Not Applicable
  04/20/2026 02 AM PDT            4.97            671         0      Not Applicable
  04/20/2026 03 AM PDT            4.97            671         0      Not Applicable
  04/20/2026 04 AM PDT            4.97            671         0      Not Applicable
  04/20/2026 05 AM PDT            4.97            671         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.