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: Sep 04 2026 at 7:42 AM PDTNext Issuance: Sep 05 2026 at 9:00 AM PDT
Action: 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:  09/04/2026 at 07:43 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  09/02/2026 at 08:00 PM PDT
# Maximum Observed Stage:                       3.25 Feet
# Maximum Observed Flow:                        222 cfs
#
# Earliest Date & Time of Maximum Forecast:     09/09/2026 at 01:00 AM PDT
# Maximum Forecast Stage:                       3.17 Feet
# Maximum Forecast Flow:                        201 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  08/30/2026 07 AM PDT            2.99            159                Not Applicable
  08/30/2026 08 AM PDT            2.99            159         0      Not Applicable
  08/30/2026 09 AM PDT            2.99            159         0      Not Applicable
  08/30/2026 10 AM PDT            3.04            170         +      Not Applicable
  08/30/2026 11 AM PDT            2.99            159         -      Not Applicable
  08/30/2026 12 PM PDT            3.06            175         +      Not Applicable
  08/30/2026 01 PM PDT            3.01            163         -      Not Applicable
  08/30/2026 02 PM PDT            2.94            149         -      Not Applicable
  08/30/2026 03 PM PDT            3.06            175         +      Not Applicable
  08/30/2026 04 PM PDT            3.04            170         -      Not Applicable
  08/30/2026 05 PM PDT            3.03            168         -      Not Applicable
  08/30/2026 06 PM PDT            3.04            170         +      Not Applicable
  08/30/2026 07 PM PDT            3.05            172         +      Not Applicable
  08/30/2026 08 PM PDT            3.01            163         -      Not Applicable
  08/30/2026 09 PM PDT            3.02            166         +      Not Applicable
  08/30/2026 10 PM PDT            3.03            168         +      Not Applicable
  08/30/2026 11 PM PDT            3.02            166         -      Not Applicable
  08/31/2026 12 AM PDT            3.05            172         +      Not Applicable
  08/31/2026 01 AM PDT            3.05            172         0      Not Applicable
  08/31/2026 02 AM PDT            3.05            172         0      Not Applicable
  08/31/2026 03 AM PDT            3.05            172         0      Not Applicable
  08/31/2026 04 AM PDT            3.06            175         +      Not Applicable
  08/31/2026 05 AM PDT            3.07            177         +      Not Applicable
  08/31/2026 06 AM PDT            3.00            161         -      Not Applicable
  08/31/2026 07 AM PDT            2.99            159         -      Not Applicable
  08/31/2026 08 AM PDT            3.01            163         +      Not Applicable
  08/31/2026 09 AM PDT            3.00            161         -      Not Applicable
  08/31/2026 10 AM PDT            2.98            157         -      Not Applicable
  08/31/2026 11 AM PDT            2.98            157         0      Not Applicable
  08/31/2026 12 PM PDT            3.09            182         +      Not Applicable
  08/31/2026 01 PM PDT            3.09            182         0      Not Applicable
  08/31/2026 02 PM PDT            3.09            182         0      Not Applicable
  08/31/2026 03 PM PDT            3.09            182         0      Not Applicable
  08/31/2026 04 PM PDT            3.09            182         0      Not Applicable
  08/31/2026 05 PM PDT            3.09            182         0      Not Applicable
  08/31/2026 06 PM PDT            3.07            177         -      Not Applicable
  08/31/2026 07 PM PDT            3.09            182         +      Not Applicable
  08/31/2026 08 PM PDT            3.11            186         +      Not Applicable
  08/31/2026 09 PM PDT            3.09            182         -      Not Applicable
  08/31/2026 10 PM PDT            3.09            182         0      Not Applicable
  08/31/2026 11 PM PDT            3.09            182         0      Not Applicable
  09/01/2026 12 AM PDT            3.09            182         0      Not Applicable
  09/01/2026 01 AM PDT            3.09            182         0      Not Applicable
  09/01/2026 02 AM PDT            3.06            175         -      Not Applicable
  09/01/2026 03 AM PDT            3.10            184         +      Not Applicable
  09/01/2026 04 AM PDT            3.07            177         -      Not Applicable
  09/01/2026 05 AM PDT            3.08            179         +      Not Applicable
  09/01/2026 06 AM PDT            3.02            166         -      Not Applicable
  09/01/2026 07 AM PDT            3.04            170         +      Not Applicable
  09/01/2026 08 AM PDT            3.06            175         +      Not Applicable
  09/01/2026 09 AM PDT            3.04            170         -      Not Applicable
  09/01/2026 10 AM PDT            3.02            166         -      Not Applicable
  09/01/2026 11 AM PDT            3.05            172         +      Not Applicable
  09/01/2026 12 PM PDT            3.02            166         -      Not Applicable
  09/01/2026 01 PM PDT            3.05            172         +      Not Applicable
  09/01/2026 02 PM PDT            3.07            177         +      Not Applicable
  09/01/2026 03 PM PDT            3.09            182         +      Not Applicable
  09/01/2026 04 PM PDT            3.11            186         +      Not Applicable
  09/01/2026 05 PM PDT            3.13            191         +      Not Applicable
  09/01/2026 06 PM PDT            3.09            182         -      Not Applicable
  09/01/2026 07 PM PDT            3.08            179         -      Not Applicable
  09/01/2026 08 PM PDT            3.09            182         +      Not Applicable
  09/01/2026 09 PM PDT            3.12            189         +      Not Applicable
  09/01/2026 10 PM PDT            3.11            186         -      Not Applicable
  09/01/2026 11 PM PDT            3.21            211         +      Not Applicable
  09/02/2026 12 AM PDT            3.08            179         -      Not Applicable
  09/02/2026 01 AM PDT            3.05            172         -      Not Applicable
  09/02/2026 02 AM PDT            3.11            186         +      Not Applicable
  09/02/2026 03 AM PDT            3.16            198         +      Not Applicable
  09/02/2026 04 AM PDT            3.07            177         -      Not Applicable
  09/02/2026 05 AM PDT            3.09            182         +      Not Applicable
  09/02/2026 06 AM PDT            3.14            193         +      Not Applicable
  09/02/2026 07 AM PDT            3.09            182         -      Not Applicable
  09/02/2026 08 AM PDT            3.09            182         0      Not Applicable
  09/02/2026 09 AM PDT            3.11            186         +      Not Applicable
  09/02/2026 10 AM PDT            3.10            184         -      Not Applicable
  09/02/2026 11 AM PDT            3.20            208         +      Not Applicable
  09/02/2026 12 PM PDT            3.19            206         -      Not Applicable
  09/02/2026 01 PM PDT            3.19            206         0      Not Applicable
  09/02/2026 02 PM PDT            3.21            211         +      Not Applicable
  09/02/2026 03 PM PDT            3.21            211         0      Not Applicable
  09/02/2026 04 PM PDT            3.21            211         0      Not Applicable
  09/02/2026 05 PM PDT            3.19            206         -      Not Applicable
  09/02/2026 06 PM PDT            3.19            206         0      Not Applicable
  09/02/2026 07 PM PDT            3.24            219         +      Not Applicable
  09/02/2026 08 PM PDT            3.25            222         +      Not Applicable
  09/02/2026 09 PM PDT            3.21            211         -      Not Applicable
  09/02/2026 10 PM PDT            3.20            208         -      Not Applicable
  09/02/2026 11 PM PDT            3.20            208         0      Not Applicable
  09/03/2026 12 AM PDT            3.09            182         -      Not Applicable
  09/03/2026 01 AM PDT            3.12            189         +      Not Applicable
  09/03/2026 02 AM PDT            3.10            184         -      Not Applicable
  09/03/2026 03 AM PDT            3.12            189         +      Not Applicable
  09/03/2026 04 AM PDT            3.15            196         +      Not Applicable
  09/03/2026 05 AM PDT            3.15            196         0      Not Applicable
  09/03/2026 06 AM PDT            3.20            208         +      Not Applicable
  09/03/2026 07 AM PDT            3.14            193         -      Not Applicable
  09/03/2026 08 AM PDT            3.13            191         -      Not Applicable
  09/03/2026 09 AM PDT            3.12            189         -      Not Applicable
  09/03/2026 10 AM PDT            3.14            193         +      Not Applicable
  09/03/2026 11 AM PDT            3.13            191         -      Not Applicable
  09/03/2026 12 PM PDT            3.11            186         -      Not Applicable
  09/03/2026 01 PM PDT            3.10            184         -      Not Applicable
  09/03/2026 02 PM PDT            3.13            191         +      Not Applicable
  09/03/2026 03 PM PDT            3.14            193         +      Not Applicable
  09/03/2026 04 PM PDT            3.15            196         +      Not Applicable
  09/03/2026 05 PM PDT            3.16            198         +      Not Applicable
  09/03/2026 06 PM PDT            3.12            189         -      Not Applicable
  09/03/2026 07 PM PDT            3.14            193         +      Not Applicable
  09/03/2026 08 PM PDT            3.18            203         +      Not Applicable
  09/03/2026 09 PM PDT            3.12            189         -      Not Applicable
  09/03/2026 10 PM PDT            3.13            191         +      Not Applicable
  09/03/2026 11 PM PDT            3.15            196         +      Not Applicable
  09/04/2026 12 AM PDT            3.20            208         +      Not Applicable
  09/04/2026 01 AM PDT            3.10            184         -      Not Applicable
  09/04/2026 02 AM PDT            3.11            186         +      Not Applicable
  09/04/2026 03 AM PDT            3.15            196         +      Not Applicable
  09/04/2026 04 AM PDT            3.17            201         +      Not Applicable
  09/04/2026 05 AM PDT            3.16            198         -      Not Applicable
  09/04/2026 06 AM PDT            3.16            198         0      Not Applicable
  09/04/2026 07 AM PDT            3.16            198         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  09/04/2026 08 AM PDT            3.16            198                Not Applicable
  09/04/2026 09 AM PDT            3.16            198         0      Not Applicable
  09/04/2026 10 AM PDT            3.16            198         0      Not Applicable
  09/04/2026 11 AM PDT            3.16            198         0      Not Applicable
  09/04/2026 12 PM PDT            3.16            198         0      Not Applicable
  09/04/2026 01 PM PDT            3.16            198         0      Not Applicable
  09/04/2026 02 PM PDT            3.16            198         0      Not Applicable
  09/04/2026 03 PM PDT            3.16            198         0      Not Applicable
  09/04/2026 04 PM PDT            3.16            198         0      Not Applicable
  09/04/2026 05 PM PDT            3.16            198         0      Not Applicable
  09/04/2026 06 PM PDT            3.16            198         0      Not Applicable
  09/04/2026 07 PM PDT            3.16            198         0      Not Applicable
  09/04/2026 08 PM PDT            3.16            198         0      Not Applicable
  09/04/2026 09 PM PDT            3.16            198         0      Not Applicable
  09/04/2026 10 PM PDT            3.16            198         0      Not Applicable
  09/04/2026 11 PM PDT            3.16            198         0      Not Applicable
  09/05/2026 12 AM PDT            3.16            198         0      Not Applicable
  09/05/2026 01 AM PDT            3.16            198         0      Not Applicable
  09/05/2026 02 AM PDT            3.16            198         0      Not Applicable
  09/05/2026 03 AM PDT            3.16            198         0      Not Applicable
  09/05/2026 04 AM PDT            3.16            198         0      Not Applicable
  09/05/2026 05 AM PDT            3.16            198         0      Not Applicable
  09/05/2026 06 AM PDT            3.16            198         0      Not Applicable
  09/05/2026 07 AM PDT            3.16            198         0      Not Applicable
  09/05/2026 08 AM PDT            3.16            198         0      Not Applicable
  09/05/2026 09 AM PDT            3.16            198         0      Not Applicable
  09/05/2026 10 AM PDT            3.16            198         0      Not Applicable
  09/05/2026 11 AM PDT            3.16            198         0      Not Applicable
  09/05/2026 12 PM PDT            3.16            198         0      Not Applicable
  09/05/2026 01 PM PDT            3.16            198         0      Not Applicable
  09/05/2026 02 PM PDT            3.16            198         0      Not Applicable
  09/05/2026 03 PM PDT            3.16            198         0      Not Applicable
  09/05/2026 04 PM PDT            3.16            198         0      Not Applicable
  09/05/2026 05 PM PDT            3.16            198         0      Not Applicable
  09/05/2026 06 PM PDT            3.16            198         0      Not Applicable
  09/05/2026 07 PM PDT            3.16            198         0      Not Applicable
  09/05/2026 08 PM PDT            3.16            198         0      Not Applicable
  09/05/2026 09 PM PDT            3.16            198         0      Not Applicable
  09/05/2026 10 PM PDT            3.16            198         0      Not Applicable
  09/05/2026 11 PM PDT            3.16            198         0      Not Applicable
  09/06/2026 12 AM PDT            3.16            198         0      Not Applicable
  09/06/2026 01 AM PDT            3.16            198         0      Not Applicable
  09/06/2026 02 AM PDT            3.16            198         0      Not Applicable
  09/06/2026 03 AM PDT            3.16            198         0      Not Applicable
  09/06/2026 04 AM PDT            3.16            198         0      Not Applicable
  09/06/2026 05 AM PDT            3.16            198         0      Not Applicable
  09/06/2026 06 AM PDT            3.16            198         0      Not Applicable
  09/06/2026 07 AM PDT            3.16            198         0      Not Applicable
  09/06/2026 08 AM PDT            3.16            198         0      Not Applicable
  09/06/2026 09 AM PDT            3.16            198         0      Not Applicable
  09/06/2026 10 AM PDT            3.16            198         0      Not Applicable
  09/06/2026 11 AM PDT            3.16            198         0      Not Applicable
  09/06/2026 12 PM PDT            3.16            198         0      Not Applicable
  09/06/2026 01 PM PDT            3.16            198         0      Not Applicable
  09/06/2026 02 PM PDT            3.16            198         0      Not Applicable
  09/06/2026 03 PM PDT            3.16            198         0      Not Applicable
  09/06/2026 04 PM PDT            3.16            198         0      Not Applicable
  09/06/2026 05 PM PDT            3.16            198         0      Not Applicable
  09/06/2026 06 PM PDT            3.16            198         0      Not Applicable
  09/06/2026 07 PM PDT            3.16            198         0      Not Applicable
  09/06/2026 08 PM PDT            3.16            198         0      Not Applicable
  09/06/2026 09 PM PDT            3.16            198         0      Not Applicable
  09/06/2026 10 PM PDT            3.16            198         0      Not Applicable
  09/06/2026 11 PM PDT            3.16            198         0      Not Applicable
  09/07/2026 12 AM PDT            3.16            198         0      Not Applicable
  09/07/2026 01 AM PDT            3.16            198         0      Not Applicable
  09/07/2026 02 AM PDT            3.16            198         0      Not Applicable
  09/07/2026 03 AM PDT            3.16            198         0      Not Applicable
  09/07/2026 04 AM PDT            3.16            198         0      Not Applicable
  09/07/2026 05 AM PDT            3.16            198         0      Not Applicable
  09/07/2026 06 AM PDT            3.16            198         0      Not Applicable
  09/07/2026 07 AM PDT            3.16            198         0      Not Applicable
  09/07/2026 08 AM PDT            3.16            198         0      Not Applicable
  09/07/2026 09 AM PDT            3.16            198         0      Not Applicable
  09/07/2026 10 AM PDT            3.16            198         0      Not Applicable
  09/07/2026 11 AM PDT            3.16            198         0      Not Applicable
  09/07/2026 12 PM PDT            3.16            198         0      Not Applicable
  09/07/2026 01 PM PDT            3.16            198         0      Not Applicable
  09/07/2026 02 PM PDT            3.16            198         0      Not Applicable
  09/07/2026 03 PM PDT            3.16            198         0      Not Applicable
  09/07/2026 04 PM PDT            3.16            198         0      Not Applicable
  09/07/2026 05 PM PDT            3.16            198         0      Not Applicable
  09/07/2026 06 PM PDT            3.16            198         0      Not Applicable
  09/07/2026 07 PM PDT            3.16            198         0      Not Applicable
  09/07/2026 08 PM PDT            3.16            198         0      Not Applicable
  09/07/2026 09 PM PDT            3.16            198         0      Not Applicable
  09/07/2026 10 PM PDT            3.16            198         0      Not Applicable
  09/07/2026 11 PM PDT            3.16            198         0      Not Applicable
  09/08/2026 12 AM PDT            3.16            198         0      Not Applicable
  09/08/2026 01 AM PDT            3.16            198         0      Not Applicable
  09/08/2026 02 AM PDT            3.16            198         0      Not Applicable
  09/08/2026 03 AM PDT            3.16            198         0      Not Applicable
  09/08/2026 04 AM PDT            3.16            198         0      Not Applicable
  09/08/2026 05 AM PDT            3.16            198         0      Not Applicable
  09/08/2026 06 AM PDT            3.16            198         0      Not Applicable
  09/08/2026 07 AM PDT            3.16            198         0      Not Applicable
  09/08/2026 08 AM PDT            3.16            198         0      Not Applicable
  09/08/2026 09 AM PDT            3.16            198         0      Not Applicable
  09/08/2026 10 AM PDT            3.16            198         0      Not Applicable
  09/08/2026 11 AM PDT            3.16            198         0      Not Applicable
  09/08/2026 12 PM PDT            3.16            198         0      Not Applicable
  09/08/2026 01 PM PDT            3.16            198         0      Not Applicable
  09/08/2026 02 PM PDT            3.16            198         0      Not Applicable
  09/08/2026 03 PM PDT            3.16            198         0      Not Applicable
  09/08/2026 04 PM PDT            3.16            198         0      Not Applicable
  09/08/2026 05 PM PDT            3.16            198         0      Not Applicable
  09/08/2026 06 PM PDT            3.16            198         0      Not Applicable
  09/08/2026 07 PM PDT            3.16            198         0      Not Applicable
  09/08/2026 08 PM PDT            3.16            198         0      Not Applicable
  09/08/2026 09 PM PDT            3.16            198         0      Not Applicable
  09/08/2026 10 PM PDT            3.16            198         0      Not Applicable
  09/08/2026 11 PM PDT            3.16            198         0      Not Applicable
  09/09/2026 12 AM PDT            3.16            198         0      Not Applicable
  09/09/2026 01 AM PDT            3.17            201         +      Not Applicable
  09/09/2026 02 AM PDT            3.17            201         0      Not Applicable
  09/09/2026 03 AM PDT            3.17            201         0      Not Applicable
  09/09/2026 04 AM PDT            3.17            201         0      Not Applicable
  09/09/2026 05 AM PDT            3.17            201         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.