SAN JOAQUIN RIVER - VERNALIS (VNSC1)
Latitude: 37.68º NLongitude: 121.27º WElevation: 35 FeetForecast Type: Official Location
Location: San Joaquin County in CaliforniaBulletin Group: San JoaquinRiver Group: San Joaquin
Issuance Time: Mar 01 2026 at 8:32 AM PSTNext Issuance: Mar 02 2026 at 9:00 AM PST
Action/Monitor: 24.5 FeetMinor Flood: 29.0 FeetModerate Flood: 32.0 FeetMajor Flood: 37.3 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Joaquin River - Vernalis (VNSC1)
#
# File Generation Time:  03/01/2026 at 08:32 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/24/2026 at 12:00 PM PST
# Maximum Observed Stage:                       15.81 Feet
# Maximum Observed Flow:                        8291 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/01/2026 at 09:00 AM PST
# Maximum Forecast Stage:                       14.72 Feet
# Maximum Forecast Flow:                        6968 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/24/2026 08 AM PST           15.80           8278                        Normal
  02/24/2026 09 AM PST           15.80           8278         0              Normal
  02/24/2026 10 AM PST           15.81           8291         +              Normal
  02/24/2026 11 AM PST           15.81           8291         0              Normal
  02/24/2026 12 PM PST           15.81           8291         0              Normal
  02/24/2026 01 PM PST           15.79           8266         -              Normal
  02/24/2026 02 PM PST           15.80           8278         +              Normal
  02/24/2026 03 PM PST           15.78           8253         -              Normal
  02/24/2026 04 PM PST           15.80           8278         +              Normal
  02/24/2026 05 PM PST           15.79           8266         -              Normal
  02/24/2026 06 PM PST           15.79           8266         0              Normal
  02/24/2026 07 PM PST           15.78           8253         -              Normal
  02/24/2026 08 PM PST           15.78           8253         0              Normal
  02/24/2026 09 PM PST           15.77           8241         -              Normal
  02/24/2026 10 PM PST           15.77           8241         0              Normal
  02/24/2026 11 PM PST           15.77           8241         0              Normal
  02/25/2026 12 AM PST           15.75           8216         -              Normal
  02/25/2026 01 AM PST           15.75           8216         0              Normal
  02/25/2026 02 AM PST           15.73           8191         -              Normal
  02/25/2026 03 AM PST           15.73           8191         0              Normal
  02/25/2026 04 AM PST           15.72           8178         -              Normal
  02/25/2026 05 AM PST           15.70           8153         -              Normal
  02/25/2026 06 AM PST           15.69           8141         -              Normal
  02/25/2026 07 AM PST           15.68           8128         -              Normal
  02/25/2026 08 AM PST           15.66           8103         -              Normal
  02/25/2026 09 AM PST           15.65           8091         -              Normal
  02/25/2026 10 AM PST           15.65           8091         0              Normal
  02/25/2026 11 AM PST           15.64           8078         -              Normal
  02/25/2026 12 PM PST           15.63           8066         -              Normal
  02/25/2026 01 PM PST           15.59           8016         -              Normal
  02/25/2026 02 PM PST           15.60           8029         +              Normal
  02/25/2026 03 PM PST           15.59           8016         -              Normal
  02/25/2026 04 PM PST           15.57           7991         -              Normal
  02/25/2026 05 PM PST           15.58           8004         +              Normal
  02/25/2026 06 PM PST           15.57           7991         -              Normal
  02/25/2026 07 PM PST           15.56           7979         -              Normal
  02/25/2026 08 PM PST           15.55           7967         -              Normal
  02/25/2026 09 PM PST           15.54           7954         -              Normal
  02/25/2026 10 PM PST           15.53           7942         -              Normal
  02/25/2026 11 PM PST           15.52           7929         -              Normal
  02/26/2026 12 AM PST           15.51           7917         -              Normal
  02/26/2026 01 AM PST           15.50           7905         -              Normal
  02/26/2026 02 AM PST           15.49           7892         -              Normal
  02/26/2026 03 AM PST           15.47           7868         -              Normal
  02/26/2026 04 AM PST           15.47           7868         0              Normal
  02/26/2026 05 AM PST           15.46           7856         -              Normal
  02/26/2026 06 AM PST           15.45           7843         -              Normal
  02/26/2026 07 AM PST           15.42           7806         -              Normal
  02/26/2026 08 AM PST           15.43           7819         +              Normal
  02/26/2026 09 AM PST           15.41           7794         -              Normal
  02/26/2026 10 AM PST           15.40           7782         -              Normal
  02/26/2026 11 AM PST           15.38           7757         -              Normal
  02/26/2026 12 PM PST           15.38           7757         0              Normal
  02/26/2026 01 PM PST           15.36           7733         -              Normal
  02/26/2026 02 PM PST           15.36           7733         0              Normal
  02/26/2026 03 PM PST           15.35           7721         -              Normal
  02/26/2026 04 PM PST           15.35           7721         0              Normal
  02/26/2026 05 PM PST           15.33           7696         -              Normal
  02/26/2026 06 PM PST           15.33           7696         0              Normal
  02/26/2026 07 PM PST           15.33           7696         0              Normal
  02/26/2026 08 PM PST           15.33           7696         0              Normal
  02/26/2026 09 PM PST           15.32           7684         -              Normal
  02/26/2026 10 PM PST           15.30           7660         -              Normal
  02/26/2026 11 PM PST           15.29           7648         -              Normal
  02/27/2026 12 AM PST           15.29           7648         0              Normal
  02/27/2026 01 AM PST           15.28           7635         -              Normal
  02/27/2026 02 AM PST           15.26           7611         -              Normal
  02/27/2026 03 AM PST           15.26           7611         0              Normal
  02/27/2026 04 AM PST           15.24           7587         -              Normal
  02/27/2026 05 AM PST           15.23           7575         -              Normal
  02/27/2026 06 AM PST           15.22           7563         -              Normal
  02/27/2026 07 AM PST           15.22           7563         0              Normal
  02/27/2026 08 AM PST           15.20           7538         -              Normal
  02/27/2026 09 AM PST           15.18           7514         -              Normal
  02/27/2026 10 AM PST           15.18           7514         0              Normal
  02/27/2026 11 AM PST           15.16           7490         -              Normal
  02/27/2026 12 PM PST           15.16           7490         0              Normal
  02/27/2026 01 PM PST           15.14           7466         -              Normal
  02/27/2026 02 PM PST           15.11           7430         -              Normal
  02/27/2026 03 PM PST           15.10           7418         -              Normal
  02/27/2026 04 PM PST           15.09           7406         -              Normal
  02/27/2026 05 PM PST           15.09           7406         0              Normal
  02/27/2026 06 PM PST           15.09           7406         0              Normal
  02/27/2026 07 PM PST           15.08           7394         -              Normal
  02/27/2026 08 PM PST           15.07           7382         -              Normal
  02/27/2026 09 PM PST           15.05           7358         -              Normal
  02/27/2026 10 PM PST           15.04           7346         -              Normal
  02/27/2026 11 PM PST           15.03           7334         -              Normal
  02/28/2026 12 AM PST           15.02           7322         -              Normal
  02/28/2026 01 AM PST           15.00           7298         -              Normal
  02/28/2026 02 AM PST           14.99           7286         -              Normal
  02/28/2026 03 AM PST           14.98           7275         -              Normal
  02/28/2026 04 AM PST           14.97           7263         -              Normal
  02/28/2026 05 AM PST           14.96           7251         -              Normal
  02/28/2026 06 AM PST           14.95           7239         -              Normal
  02/28/2026 07 AM PST           14.93           7215         -              Normal
  02/28/2026 08 AM PST           14.92           7203         -              Normal
  02/28/2026 09 AM PST           14.91           7191         -              Normal
  02/28/2026 10 AM PST           14.90           7180         -              Normal
  02/28/2026 11 AM PST           14.90           7180         0              Normal
  02/28/2026 12 PM PST           14.89           7168         -              Normal
  02/28/2026 01 PM PST           14.88           7156         -              Normal
  02/28/2026 02 PM PST           14.87           7144         -              Normal
  02/28/2026 03 PM PST           14.86           7132         -              Normal
  02/28/2026 04 PM PST           14.85           7120         -              Normal
  02/28/2026 05 PM PST           14.85           7120         0              Normal
  02/28/2026 06 PM PST           14.84           7109         -              Normal
  02/28/2026 07 PM PST           14.83           7097         -              Normal
  02/28/2026 08 PM PST           14.82           7085         -              Normal
  02/28/2026 09 PM PST           14.82           7085         0              Normal
  02/28/2026 10 PM PST           14.81           7073         -              Normal
  02/28/2026 11 PM PST           14.80           7061         -              Normal
  03/01/2026 12 AM PST           14.80           7061         0              Normal
  03/01/2026 01 AM PST           14.79           7050         -              Normal
  03/01/2026 02 AM PST           14.76           7015         -              Normal
  03/01/2026 03 AM PST           14.77           7026         +              Normal
  03/01/2026 04 AM PST           14.77           7026         0              Normal
  03/01/2026 05 AM PST           14.75           7003         -              Normal
  03/01/2026 06 AM PST           14.74           6991         -              Normal
  03/01/2026 07 AM PST           14.73           6979         -              Normal
  03/01/2026 08 AM PST           14.72           6968         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/01/2026 09 AM PST           14.72           6968                        Normal
  03/01/2026 10 AM PST           14.71           6956         -              Normal
  03/01/2026 11 AM PST           14.70           6944         -              Normal
  03/01/2026 12 PM PST           14.69           6933         -              Normal
  03/01/2026 01 PM PST           14.69           6933         0              Normal
  03/01/2026 02 PM PST           14.68           6921         -              Normal
  03/01/2026 03 PM PST           14.67           6909         -              Normal
  03/01/2026 04 PM PST           14.66           6898         -              Normal
  03/01/2026 05 PM PST           14.65           6886         -              Normal
  03/01/2026 06 PM PST           14.65           6886         0              Normal
  03/01/2026 07 PM PST           14.64           6874         -              Normal
  03/01/2026 08 PM PST           14.63           6863         -              Normal
  03/01/2026 09 PM PST           14.63           6863         0              Normal
  03/01/2026 10 PM PST           14.62           6851         -              Normal
  03/01/2026 11 PM PST           14.61           6840         -              Normal
  03/02/2026 12 AM PST           14.61           6840         0              Normal
  03/02/2026 01 AM PST           14.60           6828         -              Normal
  03/02/2026 02 AM PST           14.59           6816         -              Normal
  03/02/2026 03 AM PST           14.59           6816         0              Normal
  03/02/2026 04 AM PST           14.58           6805         -              Normal
  03/02/2026 05 AM PST           14.57           6793         -              Normal
  03/02/2026 06 AM PST           14.57           6793         0              Normal
  03/02/2026 07 AM PST           14.56           6782         -              Normal
  03/02/2026 08 AM PST           14.55           6770         -              Normal
  03/02/2026 09 AM PST           14.55           6770         0              Normal
  03/02/2026 10 AM PST           14.54           6759         -              Normal
  03/02/2026 11 AM PST           14.54           6759         0              Normal
  03/02/2026 12 PM PST           14.53           6747         -              Normal
  03/02/2026 01 PM PST           14.52           6735         -              Normal
  03/02/2026 02 PM PST           14.52           6735         0              Normal
  03/02/2026 03 PM PST           14.51           6724         -              Normal
  03/02/2026 04 PM PST           14.51           6724         0              Normal
  03/02/2026 05 PM PST           14.50           6712         -              Normal
  03/02/2026 06 PM PST           14.49           6701         -              Normal
  03/02/2026 07 PM PST           14.49           6701         0              Normal
  03/02/2026 08 PM PST           14.48           6689         -              Normal
  03/02/2026 09 PM PST           14.48           6689         0              Normal
  03/02/2026 10 PM PST           14.47           6678         -              Normal
  03/02/2026 11 PM PST           14.47           6678         0              Normal
  03/03/2026 12 AM PST           14.46           6666         -              Normal
  03/03/2026 01 AM PST           14.46           6666         0              Normal
  03/03/2026 02 AM PST           14.45           6655         -              Normal
  03/03/2026 03 AM PST           14.44           6643         -              Normal
  03/03/2026 04 AM PST           14.44           6643         0              Normal
  03/03/2026 05 AM PST           14.43           6632         -              Normal
  03/03/2026 06 AM PST           14.43           6632         0              Normal
  03/03/2026 07 AM PST           14.42           6621         -              Normal
  03/03/2026 08 AM PST           14.42           6621         0              Normal
  03/03/2026 09 AM PST           14.41           6609         -              Normal
  03/03/2026 10 AM PST           14.40           6598         -              Normal
  03/03/2026 11 AM PST           14.40           6598         0              Normal
  03/03/2026 12 PM PST           14.39           6586         -              Normal
  03/03/2026 01 PM PST           14.39           6586         0              Normal
  03/03/2026 02 PM PST           14.38           6575         -              Normal
  03/03/2026 03 PM PST           14.37           6563         -              Normal
  03/03/2026 04 PM PST           14.37           6563         0              Normal
  03/03/2026 05 PM PST           14.36           6552         -              Normal
  03/03/2026 06 PM PST           14.36           6552         0              Normal
  03/03/2026 07 PM PST           14.35           6541         -              Normal
  03/03/2026 08 PM PST           14.34           6529         -              Normal
  03/03/2026 09 PM PST           14.34           6529         0              Normal
  03/03/2026 10 PM PST           14.33           6518         -              Normal
  03/03/2026 11 PM PST           14.32           6507         -              Normal
  03/04/2026 12 AM PST           14.31           6495         -              Normal
  03/04/2026 01 AM PST           14.31           6495         0              Normal
  03/04/2026 02 AM PST           14.30           6484         -              Normal
  03/04/2026 03 AM PST           14.29           6473         -              Normal
  03/04/2026 04 AM PST           14.29           6473         0              Normal
  03/04/2026 05 AM PST           14.28           6461         -              Normal
  03/04/2026 06 AM PST           14.27           6450         -              Normal
  03/04/2026 07 AM PST           14.26           6439         -              Normal
  03/04/2026 08 AM PST           14.26           6439         0              Normal
  03/04/2026 09 AM PST           14.25           6427         -              Normal
  03/04/2026 10 AM PST           14.24           6416         -              Normal
  03/04/2026 11 AM PST           14.23           6405         -              Normal
  03/04/2026 12 PM PST           14.23           6405         0              Normal
  03/04/2026 01 PM PST           14.22           6393         -              Normal
  03/04/2026 02 PM PST           14.21           6382         -              Normal
  03/04/2026 03 PM PST           14.20           6371         -              Normal
  03/04/2026 04 PM PST           14.20           6371         0              Normal
  03/04/2026 05 PM PST           14.19           6360         -              Normal
  03/04/2026 06 PM PST           14.18           6348         -              Normal
  03/04/2026 07 PM PST           14.18           6348         0              Normal
  03/04/2026 08 PM PST           14.17           6337         -              Normal
  03/04/2026 09 PM PST           14.16           6326         -              Normal
  03/04/2026 10 PM PST           14.15           6315         -              Normal
  03/04/2026 11 PM PST           14.15           6315         0              Normal
  03/05/2026 12 AM PST           14.14           6303         -              Normal
  03/05/2026 01 AM PST           14.13           6292         -              Normal
  03/05/2026 02 AM PST           14.13           6292         0              Normal
  03/05/2026 03 AM PST           14.12           6281         -              Normal
  03/05/2026 04 AM PST           14.12           6281         0              Normal
  03/05/2026 05 AM PST           14.11           6270         -              Normal
  03/05/2026 06 AM PST           14.10           6259         -              Normal
  03/05/2026 07 AM PST           14.10           6259         0              Normal
  03/05/2026 08 AM PST           14.09           6247         -              Normal
  03/05/2026 09 AM PST           14.08           6236         -              Normal
  03/05/2026 10 AM PST           14.08           6236         0              Normal
  03/05/2026 11 AM PST           14.07           6225         -              Normal
  03/05/2026 12 PM PST           14.07           6225         0              Normal
  03/05/2026 01 PM PST           14.06           6214         -              Normal
  03/05/2026 02 PM PST           14.06           6214         0              Normal
  03/05/2026 03 PM PST           14.05           6203         -              Normal
  03/05/2026 04 PM PST           14.04           6192         -              Normal
  03/05/2026 05 PM PST           14.04           6192         0              Normal
  03/05/2026 06 PM PST           14.04           6192         0              Normal
  03/05/2026 07 PM PST           14.03           6181         -              Normal
  03/05/2026 08 PM PST           14.03           6181         0              Normal
  03/05/2026 09 PM PST           14.02           6170         -              Normal
  03/05/2026 10 PM PST           14.02           6170         0              Normal
  03/05/2026 11 PM PST           14.01           6158         -              Normal
  03/06/2026 12 AM PST           14.01           6158         0              Normal
  03/06/2026 01 AM PST           14.00           6147         -              Normal
  03/06/2026 02 AM PST           14.00           6147         0              Normal
  03/06/2026 03 AM PST           13.99           6136         -              Normal
  03/06/2026 04 AM PST           13.99           6136         0              Normal
#
# 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.