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

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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 27 2026 at 7:33 AM PDTNext Issuance: May 28 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:  05/27/2026 at 07:35 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/25/2026 at 09:00 AM PDT
# Maximum Observed Stage:                       3.76 Feet
# Maximum Observed Flow:                        343 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/27/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       3.67 Feet
# Maximum Forecast Flow:                        321 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/22/2026 07 AM PDT            3.73            336                Not Applicable
  05/22/2026 08 AM PDT            3.70            328         -      Not Applicable
  05/22/2026 09 AM PDT            3.72            333         +      Not Applicable
  05/22/2026 10 AM PDT            3.72            333         0      Not Applicable
  05/22/2026 11 AM PDT            3.73            336         +      Not Applicable
  05/22/2026 12 PM PDT            3.72            333         -      Not Applicable
  05/22/2026 01 PM PDT            3.70            328         -      Not Applicable
  05/22/2026 02 PM PDT            3.72            333         +      Not Applicable
  05/22/2026 03 PM PDT            3.68            324         -      Not Applicable
  05/22/2026 04 PM PDT            3.70            328         +      Not Applicable
  05/22/2026 05 PM PDT            3.71            331         +      Not Applicable
  05/22/2026 06 PM PDT            3.72            333         +      Not Applicable
  05/22/2026 07 PM PDT            3.70            328         -      Not Applicable
  05/22/2026 08 PM PDT            3.71            331         +      Not Applicable
  05/22/2026 09 PM PDT            3.71            331         0      Not Applicable
  05/22/2026 10 PM PDT            3.72            333         +      Not Applicable
  05/22/2026 11 PM PDT            3.74            338         +      Not Applicable
  05/23/2026 12 AM PDT            3.74            338         0      Not Applicable
  05/23/2026 01 AM PDT            3.74            338         0      Not Applicable
  05/23/2026 02 AM PDT            3.73            336         -      Not Applicable
  05/23/2026 03 AM PDT            3.72            333         -      Not Applicable
  05/23/2026 04 AM PDT            3.72            333         0      Not Applicable
  05/23/2026 05 AM PDT            3.72            333         0      Not Applicable
  05/23/2026 06 AM PDT            3.72            333         0      Not Applicable
  05/23/2026 07 AM PDT            3.72            333         0      Not Applicable
  05/23/2026 08 AM PDT            3.70            328         -      Not Applicable
  05/23/2026 09 AM PDT            3.70            328         0      Not Applicable
  05/23/2026 10 AM PDT            3.69            326         -      Not Applicable
  05/23/2026 11 AM PDT            3.73            336         +      Not Applicable
  05/23/2026 12 PM PDT            3.72            333         -      Not Applicable
  05/23/2026 01 PM PDT            3.70            328         -      Not Applicable
  05/23/2026 02 PM PDT            3.71            331         +      Not Applicable
  05/23/2026 03 PM PDT            3.70            328         -      Not Applicable
  05/23/2026 04 PM PDT            3.72            333         +      Not Applicable
  05/23/2026 05 PM PDT            3.69            326         -      Not Applicable
  05/23/2026 06 PM PDT            3.69            326         0      Not Applicable
  05/23/2026 07 PM PDT            3.69            326         0      Not Applicable
  05/23/2026 08 PM PDT            3.67            321         -      Not Applicable
  05/23/2026 09 PM PDT            3.69            326         +      Not Applicable
  05/23/2026 10 PM PDT            3.67            321         -      Not Applicable
  05/23/2026 11 PM PDT            3.69            326         +      Not Applicable
  05/24/2026 12 AM PDT            3.68            324         -      Not Applicable
  05/24/2026 01 AM PDT            3.69            326         +      Not Applicable
  05/24/2026 02 AM PDT            3.68            324         -      Not Applicable
  05/24/2026 03 AM PDT            3.69            326         +      Not Applicable
  05/24/2026 04 AM PDT            3.68            324         -      Not Applicable
  05/24/2026 05 AM PDT            3.69            326         +      Not Applicable
  05/24/2026 06 AM PDT            3.66            319         -      Not Applicable
  05/24/2026 07 AM PDT            3.67            321         +      Not Applicable
  05/24/2026 08 AM PDT            3.70            328         +      Not Applicable
  05/24/2026 09 AM PDT            3.69            326         -      Not Applicable
  05/24/2026 10 AM PDT            3.69            326         0      Not Applicable
  05/24/2026 11 AM PDT            3.67            321         -      Not Applicable
  05/24/2026 12 PM PDT            3.68            324         +      Not Applicable
  05/24/2026 01 PM PDT            3.70            328         +      Not Applicable
  05/24/2026 02 PM PDT            3.67            321         -      Not Applicable
  05/24/2026 03 PM PDT            3.68            324         +      Not Applicable
  05/24/2026 04 PM PDT            3.67            321         -      Not Applicable
  05/24/2026 05 PM PDT            3.68            324         +      Not Applicable
  05/24/2026 06 PM PDT            3.72            333         +      Not Applicable
  05/24/2026 07 PM PDT            3.67            321         -      Not Applicable
  05/24/2026 08 PM PDT            3.68            324         +      Not Applicable
  05/24/2026 09 PM PDT            3.67            321         -      Not Applicable
  05/24/2026 10 PM PDT            3.72            333         +      Not Applicable
  05/24/2026 11 PM PDT            3.66            319         -      Not Applicable
  05/25/2026 12 AM PDT            3.68            324         +      Not Applicable
  05/25/2026 01 AM PDT            3.69            326         +      Not Applicable
  05/25/2026 02 AM PDT            3.70            328         +      Not Applicable
  05/25/2026 03 AM PDT            3.68            324         -      Not Applicable
  05/25/2026 04 AM PDT            3.69            326         +      Not Applicable
  05/25/2026 05 AM PDT            3.67            321         -      Not Applicable
  05/25/2026 06 AM PDT            3.69            326         +      Not Applicable
  05/25/2026 07 AM PDT            3.70            328         +      Not Applicable
  05/25/2026 08 AM PDT            3.68            324         -      Not Applicable
  05/25/2026 09 AM PDT            3.76            343         +      Not Applicable
  05/25/2026 10 AM PDT            3.73            336         -      Not Applicable
  05/25/2026 11 AM PDT            3.69            326         -      Not Applicable
  05/25/2026 12 PM PDT            3.69            326         0      Not Applicable
  05/25/2026 01 PM PDT            3.69            326         0      Not Applicable
  05/25/2026 02 PM PDT            3.69            326         0      Not Applicable
  05/25/2026 03 PM PDT            3.70            328         +      Not Applicable
  05/25/2026 04 PM PDT            3.66            319         -      Not Applicable
  05/25/2026 05 PM PDT            3.68            324         +      Not Applicable
  05/25/2026 06 PM PDT            3.70            328         +      Not Applicable
  05/25/2026 07 PM PDT            3.70            328         0      Not Applicable
  05/25/2026 08 PM PDT            3.67            321         -      Not Applicable
  05/25/2026 09 PM PDT            3.68            324         +      Not Applicable
  05/25/2026 10 PM PDT            3.67            321         -      Not Applicable
  05/25/2026 11 PM PDT            3.69            326         +      Not Applicable
  05/26/2026 12 AM PDT            3.66            319         -      Not Applicable
  05/26/2026 01 AM PDT            3.68            324         +      Not Applicable
  05/26/2026 02 AM PDT            3.67            321         -      Not Applicable
  05/26/2026 03 AM PDT            3.69            326         +      Not Applicable
  05/26/2026 04 AM PDT            3.69            326         0      Not Applicable
  05/26/2026 05 AM PDT            3.67            321         -      Not Applicable
  05/26/2026 06 AM PDT            3.67            321         0      Not Applicable
  05/26/2026 07 AM PDT            3.64            314         -      Not Applicable
  05/26/2026 08 AM PDT            3.66            319         +      Not Applicable
  05/26/2026 09 AM PDT            3.67            321         +      Not Applicable
  05/26/2026 10 AM PDT            3.71            331         +      Not Applicable
  05/26/2026 11 AM PDT            3.66            319         -      Not Applicable
  05/26/2026 12 PM PDT            3.69            326         +      Not Applicable
  05/26/2026 01 PM PDT            3.67            321         -      Not Applicable
  05/26/2026 02 PM PDT            3.67            321         0      Not Applicable
  05/26/2026 03 PM PDT            3.65            316         -      Not Applicable
  05/26/2026 04 PM PDT            3.69            326         +      Not Applicable
  05/26/2026 05 PM PDT            3.64            314         -      Not Applicable
  05/26/2026 06 PM PDT            3.68            324         +      Not Applicable
  05/26/2026 07 PM PDT            3.71            331         +      Not Applicable
  05/26/2026 08 PM PDT            3.67            321         -      Not Applicable
  05/26/2026 09 PM PDT            3.64            314         -      Not Applicable
  05/26/2026 10 PM PDT            3.67            321         +      Not Applicable
  05/26/2026 11 PM PDT            3.75            341         +      Not Applicable
  05/27/2026 12 AM PDT            3.65            316         -      Not Applicable
  05/27/2026 01 AM PDT            3.64            314         -      Not Applicable
  05/27/2026 02 AM PDT            3.68            324         +      Not Applicable
  05/27/2026 03 AM PDT            3.66            319         -      Not Applicable
  05/27/2026 04 AM PDT            3.64            314         -      Not Applicable
  05/27/2026 05 AM PDT            3.64            314         0      Not Applicable
  05/27/2026 06 AM PDT            3.67            321         +      Not Applicable
  05/27/2026 07 AM PDT            3.67            321         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/27/2026 08 AM PDT            3.67            321                Not Applicable
  05/27/2026 09 AM PDT            3.67            321         0      Not Applicable
  05/27/2026 10 AM PDT            3.67            321         0      Not Applicable
  05/27/2026 11 AM PDT            3.67            321         0      Not Applicable
  05/27/2026 12 PM PDT            3.67            321         0      Not Applicable
  05/27/2026 01 PM PDT            3.67            321         0      Not Applicable
  05/27/2026 02 PM PDT            3.67            321         0      Not Applicable
  05/27/2026 03 PM PDT            3.67            321         0      Not Applicable
  05/27/2026 04 PM PDT            3.67            321         0      Not Applicable
  05/27/2026 05 PM PDT            3.67            321         0      Not Applicable
  05/27/2026 06 PM PDT            3.67            321         0      Not Applicable
  05/27/2026 07 PM PDT            3.67            321         0      Not Applicable
  05/27/2026 08 PM PDT            3.67            321         0      Not Applicable
  05/27/2026 09 PM PDT            3.67            321         0      Not Applicable
  05/27/2026 10 PM PDT            3.67            321         0      Not Applicable
  05/27/2026 11 PM PDT            3.67            321         0      Not Applicable
  05/28/2026 12 AM PDT            3.67            321         0      Not Applicable
  05/28/2026 01 AM PDT            3.67            321         0      Not Applicable
  05/28/2026 02 AM PDT            3.66            319         -      Not Applicable
  05/28/2026 03 AM PDT            3.66            319         0      Not Applicable
  05/28/2026 04 AM PDT            3.65            316         -      Not Applicable
  05/28/2026 05 AM PDT            3.65            316         0      Not Applicable
  05/28/2026 06 AM PDT            3.64            314         -      Not Applicable
  05/28/2026 07 AM PDT            3.63            312         -      Not Applicable
  05/28/2026 08 AM PDT            3.62            309         -      Not Applicable
  05/28/2026 09 AM PDT            3.62            309         0      Not Applicable
  05/28/2026 10 AM PDT            3.61            307         -      Not Applicable
  05/28/2026 11 AM PDT            3.60            305         -      Not Applicable
  05/28/2026 12 PM PDT            3.60            305         0      Not Applicable
  05/28/2026 01 PM PDT            3.59            302         -      Not Applicable
  05/28/2026 02 PM PDT            3.59            302         0      Not Applicable
  05/28/2026 03 PM PDT            3.58            300         -      Not Applicable
  05/28/2026 04 PM PDT            3.58            300         0      Not Applicable
  05/28/2026 05 PM PDT            3.57            298         -      Not Applicable
  05/28/2026 06 PM PDT            3.57            298         0      Not Applicable
  05/28/2026 07 PM PDT            3.56            295         -      Not Applicable
  05/28/2026 08 PM PDT            3.56            295         0      Not Applicable
  05/28/2026 09 PM PDT            3.55            293         -      Not Applicable
  05/28/2026 10 PM PDT            3.55            293         0      Not Applicable
  05/28/2026 11 PM PDT            3.54            291         -      Not Applicable
  05/29/2026 12 AM PDT            3.54            291         0      Not Applicable
  05/29/2026 01 AM PDT            3.54            291         0      Not Applicable
  05/29/2026 02 AM PDT            3.53            288         -      Not Applicable
  05/29/2026 03 AM PDT            3.53            288         0      Not Applicable
  05/29/2026 04 AM PDT            3.52            286         -      Not Applicable
  05/29/2026 05 AM PDT            3.52            286         0      Not Applicable
  05/29/2026 06 AM PDT            3.52            286         0      Not Applicable
  05/29/2026 07 AM PDT            3.51            284         -      Not Applicable
  05/29/2026 08 AM PDT            3.51            284         0      Not Applicable
  05/29/2026 09 AM PDT            3.51            284         0      Not Applicable
  05/29/2026 10 AM PDT            3.50            281         -      Not Applicable
  05/29/2026 11 AM PDT            3.50            281         0      Not Applicable
  05/29/2026 12 PM PDT            3.50            281         0      Not Applicable
  05/29/2026 01 PM PDT            3.50            281         0      Not Applicable
  05/29/2026 02 PM PDT            3.50            281         0      Not Applicable
  05/29/2026 03 PM PDT            3.49            278         -      Not Applicable
  05/29/2026 04 PM PDT            3.49            278         0      Not Applicable
  05/29/2026 05 PM PDT            3.49            278         0      Not Applicable
  05/29/2026 06 PM PDT            3.48            276         -      Not Applicable
  05/29/2026 07 PM PDT            3.48            276         0      Not Applicable
  05/29/2026 08 PM PDT            3.48            276         0      Not Applicable
  05/29/2026 09 PM PDT            3.48            276         0      Not Applicable
  05/29/2026 10 PM PDT            3.48            276         0      Not Applicable
  05/29/2026 11 PM PDT            3.47            273         -      Not Applicable
  05/30/2026 12 AM PDT            3.47            273         0      Not Applicable
  05/30/2026 01 AM PDT            3.47            273         0      Not Applicable
  05/30/2026 02 AM PDT            3.47            273         0      Not Applicable
  05/30/2026 03 AM PDT            3.47            273         0      Not Applicable
  05/30/2026 04 AM PDT            3.46            271         -      Not Applicable
  05/30/2026 05 AM PDT            3.46            271         0      Not Applicable
  05/30/2026 06 AM PDT            3.46            271         0      Not Applicable
  05/30/2026 07 AM PDT            3.46            271         0      Not Applicable
  05/30/2026 08 AM PDT            3.46            271         0      Not Applicable
  05/30/2026 09 AM PDT            3.46            271         0      Not Applicable
  05/30/2026 10 AM PDT            3.46            271         0      Not Applicable
  05/30/2026 11 AM PDT            3.45            268         -      Not Applicable
  05/30/2026 12 PM PDT            3.45            268         0      Not Applicable
  05/30/2026 01 PM PDT            3.45            268         0      Not Applicable
  05/30/2026 02 PM PDT            3.45            268         0      Not Applicable
  05/30/2026 03 PM PDT            3.45            268         0      Not Applicable
  05/30/2026 04 PM PDT            3.45            268         0      Not Applicable
  05/30/2026 05 PM PDT            3.45            268         0      Not Applicable
  05/30/2026 06 PM PDT            3.44            266         -      Not Applicable
  05/30/2026 07 PM PDT            3.44            266         0      Not Applicable
  05/30/2026 08 PM PDT            3.44            266         0      Not Applicable
  05/30/2026 09 PM PDT            3.44            266         0      Not Applicable
  05/30/2026 10 PM PDT            3.44            266         0      Not Applicable
  05/30/2026 11 PM PDT            3.44            266         0      Not Applicable
  05/31/2026 12 AM PDT            3.44            266         0      Not Applicable
  05/31/2026 01 AM PDT            3.44            266         0      Not Applicable
  05/31/2026 02 AM PDT            3.44            266         0      Not Applicable
  05/31/2026 03 AM PDT            3.44            266         0      Not Applicable
  05/31/2026 04 AM PDT            3.44            266         0      Not Applicable
  05/31/2026 05 AM PDT            3.43            263         -      Not Applicable
  05/31/2026 06 AM PDT            3.43            263         0      Not Applicable
  05/31/2026 07 AM PDT            3.43            263         0      Not Applicable
  05/31/2026 08 AM PDT            3.43            263         0      Not Applicable
  05/31/2026 09 AM PDT            3.43            263         0      Not Applicable
  05/31/2026 10 AM PDT            3.43            263         0      Not Applicable
  05/31/2026 11 AM PDT            3.43            263         0      Not Applicable
  05/31/2026 12 PM PDT            3.43            263         0      Not Applicable
  05/31/2026 01 PM PDT            3.43            263         0      Not Applicable
  05/31/2026 02 PM PDT            3.43            263         0      Not Applicable
  05/31/2026 03 PM PDT            3.43            263         0      Not Applicable
  05/31/2026 04 PM PDT            3.43            263         0      Not Applicable
  05/31/2026 05 PM PDT            3.42            261         -      Not Applicable
  05/31/2026 06 PM PDT            3.42            261         0      Not Applicable
  05/31/2026 07 PM PDT            3.42            261         0      Not Applicable
  05/31/2026 08 PM PDT            3.42            261         0      Not Applicable
  05/31/2026 09 PM PDT            3.42            261         0      Not Applicable
  05/31/2026 10 PM PDT            3.42            261         0      Not Applicable
  05/31/2026 11 PM PDT            3.42            261         0      Not Applicable
  06/01/2026 12 AM PDT            3.42            261         0      Not Applicable
  06/01/2026 01 AM PDT            3.42            261         0      Not Applicable
  06/01/2026 02 AM PDT            3.42            261         0      Not Applicable
  06/01/2026 03 AM PDT            3.42            261         0      Not Applicable
  06/01/2026 04 AM PDT            3.42            261         0      Not Applicable
  06/01/2026 05 AM PDT            3.42            261         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.