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: Aug 26 2026 at 7:12 AM PDTNext Issuance: Aug 27 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:  08/26/2026 at 07:13 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  08/25/2026 at 06:00 AM PDT
# Maximum Observed Stage:                       3.02 Feet
# Maximum Observed Flow:                        166 cfs
#
# Earliest Date & Time of Maximum Forecast:     08/27/2026 at 02:00 AM PDT
# Maximum Forecast Stage:                       2.92 Feet
# Maximum Forecast Flow:                        145 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  08/21/2026 07 AM PDT            2.77            116                Not Applicable
  08/21/2026 08 AM PDT            2.77            116         0      Not Applicable
  08/21/2026 09 AM PDT            2.82            125         +      Not Applicable
  08/21/2026 10 AM PDT            2.79            120         -      Not Applicable
  08/21/2026 11 AM PDT            2.82            125         +      Not Applicable
  08/21/2026 12 PM PDT            2.78            118         -      Not Applicable
  08/21/2026 01 PM PDT            2.78            118         0      Not Applicable
  08/21/2026 02 PM PDT            2.76            115         -      Not Applicable
  08/21/2026 03 PM PDT            2.77            116         +      Not Applicable
  08/21/2026 04 PM PDT            2.77            116         0      Not Applicable
  08/21/2026 05 PM PDT            2.83            127         +      Not Applicable
  08/21/2026 06 PM PDT            2.79            120         -      Not Applicable
  08/21/2026 07 PM PDT            2.77            116         -      Not Applicable
  08/21/2026 08 PM PDT            2.78            118         +      Not Applicable
  08/21/2026 09 PM PDT            2.81            124         +      Not Applicable
  08/21/2026 10 PM PDT            2.78            118         -      Not Applicable
  08/21/2026 11 PM PDT            2.81            124         +      Not Applicable
  08/22/2026 12 AM PDT            2.80            122         -      Not Applicable
  08/22/2026 01 AM PDT            2.81            124         +      Not Applicable
  08/22/2026 02 AM PDT            2.84            129         +      Not Applicable
  08/22/2026 03 AM PDT            2.81            124         -      Not Applicable
  08/22/2026 04 AM PDT            2.81            124         0      Not Applicable
  08/22/2026 05 AM PDT            2.80            122         -      Not Applicable
  08/22/2026 06 AM PDT            2.79            120         -      Not Applicable
  08/22/2026 07 AM PDT            2.84            129         +      Not Applicable
  08/22/2026 08 AM PDT            2.81            124         -      Not Applicable
  08/22/2026 09 AM PDT            2.82            125         +      Not Applicable
  08/22/2026 10 AM PDT            2.82            125         0      Not Applicable
  08/22/2026 11 AM PDT            2.81            124         -      Not Applicable
  08/22/2026 12 PM PDT            2.83            127         +      Not Applicable
  08/22/2026 01 PM PDT            2.80            122         -      Not Applicable
  08/22/2026 02 PM PDT            2.83            127         +      Not Applicable
  08/22/2026 03 PM PDT            2.82            125         -      Not Applicable
  08/22/2026 04 PM PDT            2.78            118         -      Not Applicable
  08/22/2026 05 PM PDT            2.80            122         +      Not Applicable
  08/22/2026 06 PM PDT            2.81            124         +      Not Applicable
  08/22/2026 07 PM PDT            2.81            124         0      Not Applicable
  08/22/2026 08 PM PDT            2.83            127         +      Not Applicable
  08/22/2026 09 PM PDT            2.79            120         -      Not Applicable
  08/22/2026 10 PM PDT            2.81            124         +      Not Applicable
  08/22/2026 11 PM PDT            2.82            125         +      Not Applicable
  08/23/2026 12 AM PDT            2.84            129         +      Not Applicable
  08/23/2026 01 AM PDT            2.85            131         +      Not Applicable
  08/23/2026 02 AM PDT            2.81            124         -      Not Applicable
  08/23/2026 03 AM PDT            2.80            122         -      Not Applicable
  08/23/2026 04 AM PDT            2.83            127         +      Not Applicable
  08/23/2026 05 AM PDT            2.81            124         -      Not Applicable
  08/23/2026 06 AM PDT            2.84            129         +      Not Applicable
  08/23/2026 07 AM PDT            2.85            131         +      Not Applicable
  08/23/2026 08 AM PDT            2.87            135         +      Not Applicable
  08/23/2026 09 AM PDT            2.99            159         +      Not Applicable
  08/23/2026 10 AM PDT            3.01            163         +      Not Applicable
  08/23/2026 11 AM PDT            3.00            161         -      Not Applicable
  08/23/2026 12 PM PDT            3.00            161         0      Not Applicable
  08/23/2026 01 PM PDT            3.00            161         0      Not Applicable
  08/23/2026 02 PM PDT            3.00            161         0      Not Applicable
  08/23/2026 03 PM PDT            2.98            157         -      Not Applicable
  08/23/2026 04 PM PDT            2.99            159         +      Not Applicable
  08/23/2026 05 PM PDT            2.99            159         0      Not Applicable
  08/23/2026 06 PM PDT            2.97            155         -      Not Applicable
  08/23/2026 07 PM PDT            2.97            155         0      Not Applicable
  08/23/2026 08 PM PDT            2.99            159         +      Not Applicable
  08/23/2026 09 PM PDT            2.97            155         -      Not Applicable
  08/23/2026 10 PM PDT            2.99            159         +      Not Applicable
  08/23/2026 11 PM PDT            2.97            155         -      Not Applicable
  08/24/2026 12 AM PDT            2.97            155         0      Not Applicable
  08/24/2026 01 AM PDT            2.98            157         +      Not Applicable
  08/24/2026 02 AM PDT            3.00            161         +      Not Applicable
  08/24/2026 03 AM PDT            3.02            166         +      Not Applicable
  08/24/2026 04 AM PDT            3.00            161         -      Not Applicable
  08/24/2026 05 AM PDT            3.01            163         +      Not Applicable
  08/24/2026 06 AM PDT            3.00            161         -      Not Applicable
  08/24/2026 07 AM PDT            2.98            157         -      Not Applicable
  08/24/2026 08 AM PDT            2.94            149         -      Not Applicable
  08/24/2026 09 AM PDT            2.94            149         0      Not Applicable
  08/24/2026 10 AM PDT            2.94            149         0      Not Applicable
  08/24/2026 11 AM PDT            2.94            149         0      Not Applicable
  08/24/2026 12 PM PDT            2.94            149         0      Not Applicable
  08/24/2026 01 PM PDT            2.95            151         +      Not Applicable
  08/24/2026 02 PM PDT            2.96            153         +      Not Applicable
  08/24/2026 03 PM PDT            2.95            151         -      Not Applicable
  08/24/2026 04 PM PDT            2.95            151         0      Not Applicable
  08/24/2026 05 PM PDT            2.95            151         0      Not Applicable
  08/24/2026 06 PM PDT            2.95            151         0      Not Applicable
  08/24/2026 07 PM PDT            2.96            153         +      Not Applicable
  08/24/2026 08 PM PDT            2.96            153         0      Not Applicable
  08/24/2026 09 PM PDT            2.95            151         -      Not Applicable
  08/24/2026 10 PM PDT            2.97            155         +      Not Applicable
  08/24/2026 11 PM PDT            2.99            159         +      Not Applicable
  08/25/2026 12 AM PDT            3.00            161         +      Not Applicable
  08/25/2026 01 AM PDT            2.98            157         -      Not Applicable
  08/25/2026 02 AM PDT            2.98            157         0      Not Applicable
  08/25/2026 03 AM PDT            2.91            143         -      Not Applicable
  08/25/2026 04 AM PDT            2.88            137         -      Not Applicable
  08/25/2026 05 AM PDT            3.01            163         +      Not Applicable
  08/25/2026 06 AM PDT            3.02            166         +      Not Applicable
  08/25/2026 07 AM PDT            2.85            131         -      Not Applicable
  08/25/2026 08 AM PDT            2.93            147         +      Not Applicable
  08/25/2026 09 AM PDT            2.92            145         -      Not Applicable
  08/25/2026 10 AM PDT            2.89            139         -      Not Applicable
  08/25/2026 11 AM PDT            2.95            151         +      Not Applicable
  08/25/2026 12 PM PDT            2.93            147         -      Not Applicable
  08/25/2026 01 PM PDT            2.93            147         0      Not Applicable
  08/25/2026 02 PM PDT            2.94            149         +      Not Applicable
  08/25/2026 03 PM PDT            2.90            141         -      Not Applicable
  08/25/2026 04 PM PDT            2.89            139         -      Not Applicable
  08/25/2026 05 PM PDT            2.96            153         +      Not Applicable
  08/25/2026 06 PM PDT            2.97            155         +      Not Applicable
  08/25/2026 07 PM PDT            2.94            149         -      Not Applicable
  08/25/2026 08 PM PDT            2.97            155         +      Not Applicable
  08/25/2026 09 PM PDT            2.94            149         -      Not Applicable
  08/25/2026 10 PM PDT            2.90            141         -      Not Applicable
  08/25/2026 11 PM PDT            2.90            141         0      Not Applicable
  08/26/2026 12 AM PDT            2.93            147         +      Not Applicable
  08/26/2026 01 AM PDT            3.00            161         +      Not Applicable
  08/26/2026 02 AM PDT            2.98            157         -      Not Applicable
  08/26/2026 03 AM PDT            2.93            147         -      Not Applicable
  08/26/2026 04 AM PDT            2.92            145         -      Not Applicable
  08/26/2026 05 AM PDT            2.91            143         -      Not Applicable
  08/26/2026 06 AM PDT            2.91            143         0      Not Applicable
  08/26/2026 07 AM PDT            2.91            143         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  08/26/2026 08 AM PDT            2.91            143                Not Applicable
  08/26/2026 09 AM PDT            2.91            143         0      Not Applicable
  08/26/2026 10 AM PDT            2.91            143         0      Not Applicable
  08/26/2026 11 AM PDT            2.91            143         0      Not Applicable
  08/26/2026 12 PM PDT            2.91            143         0      Not Applicable
  08/26/2026 01 PM PDT            2.91            143         0      Not Applicable
  08/26/2026 02 PM PDT            2.91            143         0      Not Applicable
  08/26/2026 03 PM PDT            2.91            143         0      Not Applicable
  08/26/2026 04 PM PDT            2.91            143         0      Not Applicable
  08/26/2026 05 PM PDT            2.91            143         0      Not Applicable
  08/26/2026 06 PM PDT            2.91            143         0      Not Applicable
  08/26/2026 07 PM PDT            2.91            143         0      Not Applicable
  08/26/2026 08 PM PDT            2.91            143         0      Not Applicable
  08/26/2026 09 PM PDT            2.91            143         0      Not Applicable
  08/26/2026 10 PM PDT            2.91            143         0      Not Applicable
  08/26/2026 11 PM PDT            2.91            143         0      Not Applicable
  08/27/2026 12 AM PDT            2.91            143         0      Not Applicable
  08/27/2026 01 AM PDT            2.91            143         0      Not Applicable
  08/27/2026 02 AM PDT            2.92            145         +      Not Applicable
  08/27/2026 03 AM PDT            2.92            145         0      Not Applicable
  08/27/2026 04 AM PDT            2.92            145         0      Not Applicable
  08/27/2026 05 AM PDT            2.92            145         0      Not Applicable
  08/27/2026 06 AM PDT            2.92            145         0      Not Applicable
  08/27/2026 07 AM PDT            2.92            145         0      Not Applicable
  08/27/2026 08 AM PDT            2.92            145         0      Not Applicable
  08/27/2026 09 AM PDT            2.92            145         0      Not Applicable
  08/27/2026 10 AM PDT            2.92            145         0      Not Applicable
  08/27/2026 11 AM PDT            2.92            145         0      Not Applicable
  08/27/2026 12 PM PDT            2.92            145         0      Not Applicable
  08/27/2026 01 PM PDT            2.92            145         0      Not Applicable
  08/27/2026 02 PM PDT            2.92            145         0      Not Applicable
  08/27/2026 03 PM PDT            2.92            145         0      Not Applicable
  08/27/2026 04 PM PDT            2.92            145         0      Not Applicable
  08/27/2026 05 PM PDT            2.92            145         0      Not Applicable
  08/27/2026 06 PM PDT            2.92            145         0      Not Applicable
  08/27/2026 07 PM PDT            2.92            145         0      Not Applicable
  08/27/2026 08 PM PDT            2.92            145         0      Not Applicable
  08/27/2026 09 PM PDT            2.92            145         0      Not Applicable
  08/27/2026 10 PM PDT            2.92            145         0      Not Applicable
  08/27/2026 11 PM PDT            2.92            145         0      Not Applicable
  08/28/2026 12 AM PDT            2.92            145         0      Not Applicable
  08/28/2026 01 AM PDT            2.92            145         0      Not Applicable
  08/28/2026 02 AM PDT            2.92            145         0      Not Applicable
  08/28/2026 03 AM PDT            2.92            145         0      Not Applicable
  08/28/2026 04 AM PDT            2.92            145         0      Not Applicable
  08/28/2026 05 AM PDT            2.92            145         0      Not Applicable
  08/28/2026 06 AM PDT            2.92            145         0      Not Applicable
  08/28/2026 07 AM PDT            2.92            145         0      Not Applicable
  08/28/2026 08 AM PDT            2.92            145         0      Not Applicable
  08/28/2026 09 AM PDT            2.92            145         0      Not Applicable
  08/28/2026 10 AM PDT            2.92            145         0      Not Applicable
  08/28/2026 11 AM PDT            2.92            145         0      Not Applicable
  08/28/2026 12 PM PDT            2.92            145         0      Not Applicable
  08/28/2026 01 PM PDT            2.92            145         0      Not Applicable
  08/28/2026 02 PM PDT            2.92            145         0      Not Applicable
  08/28/2026 03 PM PDT            2.92            145         0      Not Applicable
  08/28/2026 04 PM PDT            2.92            145         0      Not Applicable
  08/28/2026 05 PM PDT            2.92            145         0      Not Applicable
  08/28/2026 06 PM PDT            2.92            145         0      Not Applicable
  08/28/2026 07 PM PDT            2.92            145         0      Not Applicable
  08/28/2026 08 PM PDT            2.92            145         0      Not Applicable
  08/28/2026 09 PM PDT            2.92            145         0      Not Applicable
  08/28/2026 10 PM PDT            2.92            145         0      Not Applicable
  08/28/2026 11 PM PDT            2.92            145         0      Not Applicable
  08/29/2026 12 AM PDT            2.92            145         0      Not Applicable
  08/29/2026 01 AM PDT            2.92            145         0      Not Applicable
  08/29/2026 02 AM PDT            2.92            145         0      Not Applicable
  08/29/2026 03 AM PDT            2.92            145         0      Not Applicable
  08/29/2026 04 AM PDT            2.92            145         0      Not Applicable
  08/29/2026 05 AM PDT            2.92            145         0      Not Applicable
  08/29/2026 06 AM PDT            2.92            145         0      Not Applicable
  08/29/2026 07 AM PDT            2.92            145         0      Not Applicable
  08/29/2026 08 AM PDT            2.92            145         0      Not Applicable
  08/29/2026 09 AM PDT            2.92            145         0      Not Applicable
  08/29/2026 10 AM PDT            2.92            145         0      Not Applicable
  08/29/2026 11 AM PDT            2.92            145         0      Not Applicable
  08/29/2026 12 PM PDT            2.92            145         0      Not Applicable
  08/29/2026 01 PM PDT            2.92            145         0      Not Applicable
  08/29/2026 02 PM PDT            2.92            145         0      Not Applicable
  08/29/2026 03 PM PDT            2.92            145         0      Not Applicable
  08/29/2026 04 PM PDT            2.92            145         0      Not Applicable
  08/29/2026 05 PM PDT            2.92            145         0      Not Applicable
  08/29/2026 06 PM PDT            2.92            145         0      Not Applicable
  08/29/2026 07 PM PDT            2.92            145         0      Not Applicable
  08/29/2026 08 PM PDT            2.92            145         0      Not Applicable
  08/29/2026 09 PM PDT            2.92            145         0      Not Applicable
  08/29/2026 10 PM PDT            2.92            145         0      Not Applicable
  08/29/2026 11 PM PDT            2.92            145         0      Not Applicable
  08/30/2026 12 AM PDT            2.92            145         0      Not Applicable
  08/30/2026 01 AM PDT            2.92            145         0      Not Applicable
  08/30/2026 02 AM PDT            2.92            145         0      Not Applicable
  08/30/2026 03 AM PDT            2.92            145         0      Not Applicable
  08/30/2026 04 AM PDT            2.92            145         0      Not Applicable
  08/30/2026 05 AM PDT            2.92            145         0      Not Applicable
  08/30/2026 06 AM PDT            2.92            145         0      Not Applicable
  08/30/2026 07 AM PDT            2.92            145         0      Not Applicable
  08/30/2026 08 AM PDT            2.92            145         0      Not Applicable
  08/30/2026 09 AM PDT            2.92            145         0      Not Applicable
  08/30/2026 10 AM PDT            2.92            145         0      Not Applicable
  08/30/2026 11 AM PDT            2.92            145         0      Not Applicable
  08/30/2026 12 PM PDT            2.92            145         0      Not Applicable
  08/30/2026 01 PM PDT            2.92            145         0      Not Applicable
  08/30/2026 02 PM PDT            2.92            145         0      Not Applicable
  08/30/2026 03 PM PDT            2.92            145         0      Not Applicable
  08/30/2026 04 PM PDT            2.92            145         0      Not Applicable
  08/30/2026 05 PM PDT            2.92            145         0      Not Applicable
  08/30/2026 06 PM PDT            2.92            145         0      Not Applicable
  08/30/2026 07 PM PDT            2.92            145         0      Not Applicable
  08/30/2026 08 PM PDT            2.92            145         0      Not Applicable
  08/30/2026 09 PM PDT            2.92            145         0      Not Applicable
  08/30/2026 10 PM PDT            2.92            145         0      Not Applicable
  08/30/2026 11 PM PDT            2.92            145         0      Not Applicable
  08/31/2026 12 AM PDT            2.92            145         0      Not Applicable
  08/31/2026 01 AM PDT            2.92            145         0      Not Applicable
  08/31/2026 02 AM PDT            2.92            145         0      Not Applicable
  08/31/2026 03 AM PDT            2.92            145         0      Not Applicable
  08/31/2026 04 AM PDT            2.92            145         0      Not Applicable
  08/31/2026 05 AM PDT            2.92            145         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.