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SAN JOAQUIN RIVER - VERNALIS (VNSC1)
| Latitude: 37.68º N | Longitude: 121.27º W | Elevation: 35 Feet | | Forecast Type: Official Location |
| Location: San Joaquin County in California | Bulletin Group: San Joaquin | River Group: San Joaquin |
| Issuance Time: | Nov 14 2026 at 9:44 AM PST | Next Issuance: | Nov 15 2026 at 9:00 AM PST
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| Action: 24.5 Feet | Minor Flood: 29.0 Feet | Moderate Flood: 32.0 Feet | Major Flood: 37.3 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Joaquin River - Vernalis (VNSC1)
#
# File Generation Time: 11/14/2026 at 09:44 AM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 11/09/2026 at 09:00 AM PST
# Maximum Observed Stage: 8.32 Feet
# Maximum Observed Flow: 1217 cfs
#
# Earliest Date & Time of Maximum Forecast: 11/18/2026 at 04:00 AM PST
# Maximum Forecast Stage: 8.36 Feet
# Maximum Forecast Flow: 1241 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
11/09/2026 09 AM PST 8.32 1217 Normal
11/09/2026 10 AM PST 8.31 1211 - Normal
11/09/2026 11 AM PST 8.31 1211 0 Normal
11/09/2026 12 PM PST 8.30 1205 - Normal
11/09/2026 01 PM PST 8.27 1188 - Normal
11/09/2026 02 PM PST 8.26 1182 - Normal
11/09/2026 03 PM PST 8.25 1176 - Normal
11/09/2026 04 PM PST 8.24 1170 - Normal
11/09/2026 05 PM PST 8.23 1165 - Normal
11/09/2026 06 PM PST 8.23 1165 0 Normal
11/09/2026 07 PM PST 8.23 1165 0 Normal
11/09/2026 08 PM PST 8.23 1165 0 Normal
11/09/2026 09 PM PST 8.23 1165 0 Normal
11/09/2026 10 PM PST 8.23 1165 0 Normal
11/09/2026 11 PM PST 8.24 1170 + Normal
11/10/2026 12 AM PST 8.23 1165 - Normal
11/10/2026 01 AM PST 8.23 1165 0 Normal
11/10/2026 02 AM PST 8.23 1165 0 Normal
11/10/2026 03 AM PST 8.22 1159 - Normal
11/10/2026 04 AM PST 8.22 1159 0 Normal
11/10/2026 05 AM PST 8.22 1159 0 Normal
11/10/2026 06 AM PST 8.22 1159 0 Normal
11/10/2026 07 AM PST 8.22 1159 0 Normal
11/10/2026 08 AM PST 8.21 1153 - Normal
11/10/2026 09 AM PST 8.21 1153 0 Normal
11/10/2026 10 AM PST 8.18 1136 - Normal
11/10/2026 11 AM PST 8.19 1142 + Normal
11/10/2026 12 PM PST 8.18 1136 - Normal
11/10/2026 01 PM PST 8.16 1124 - Normal
11/10/2026 02 PM PST 8.17 1130 + Normal
11/10/2026 03 PM PST 8.17 1130 0 Normal
11/10/2026 04 PM PST 8.16 1124 - Normal
11/10/2026 05 PM PST 8.16 1124 0 Normal
11/10/2026 06 PM PST 8.15 1119 - Normal
11/10/2026 07 PM PST 8.15 1119 0 Normal
11/10/2026 08 PM PST 8.15 1119 0 Normal
11/10/2026 09 PM PST 8.14 1113 - Normal
11/10/2026 10 PM PST 8.14 1113 0 Normal
11/10/2026 11 PM PST 8.14 1113 0 Normal
11/11/2026 12 AM PST 8.14 1113 0 Normal
11/11/2026 01 AM PST 8.13 1107 - Normal
11/11/2026 02 AM PST 8.13 1107 0 Normal
11/11/2026 03 AM PST 8.13 1107 0 Normal
11/11/2026 04 AM PST 8.12 1102 - Normal
11/11/2026 05 AM PST 8.12 1102 0 Normal
11/11/2026 06 AM PST 8.12 1102 0 Normal
11/11/2026 07 AM PST 8.12 1102 0 Normal
11/11/2026 08 AM PST 8.11 1096 - Normal
11/11/2026 09 AM PST 8.11 1096 0 Normal
11/11/2026 10 AM PST 8.10 1090 - Normal
11/11/2026 11 AM PST 8.10 1090 0 Normal
11/11/2026 12 PM PST 8.09 1085 - Normal
11/11/2026 01 PM PST 8.10 1090 + Normal
11/11/2026 02 PM PST 8.11 1096 + Normal
11/11/2026 03 PM PST 8.10 1090 - Normal
11/11/2026 04 PM PST 8.11 1096 + Normal
11/11/2026 05 PM PST 8.11 1096 0 Normal
11/11/2026 06 PM PST 8.11 1096 0 Normal
11/11/2026 07 PM PST 8.12 1102 + Normal
11/11/2026 08 PM PST 8.13 1107 + Normal
11/11/2026 09 PM PST 8.13 1107 0 Normal
11/11/2026 10 PM PST 8.15 1119 + Normal
11/11/2026 11 PM PST 8.16 1124 + Normal
11/12/2026 12 AM PST 8.17 1130 + Normal
11/12/2026 01 AM PST 8.17 1130 0 Normal
11/12/2026 02 AM PST 8.17 1130 0 Normal
11/12/2026 03 AM PST 8.17 1130 0 Normal
11/12/2026 04 AM PST 8.18 1136 + Normal
11/12/2026 05 AM PST 8.18 1136 0 Normal
11/12/2026 06 AM PST 8.18 1136 0 Normal
11/12/2026 07 AM PST 8.18 1136 0 Normal
11/12/2026 08 AM PST 8.17 1130 - Normal
11/12/2026 09 AM PST 8.17 1130 0 Normal
11/12/2026 10 AM PST 8.16 1124 - Normal
11/12/2026 11 AM PST 8.17 1130 + Normal
11/12/2026 12 PM PST 8.16 1124 - Normal
11/12/2026 01 PM PST 8.14 1113 - Normal
11/12/2026 02 PM PST 8.13 1107 - Normal
11/12/2026 03 PM PST 8.12 1102 - Normal
11/12/2026 04 PM PST 8.11 1096 - Normal
11/12/2026 05 PM PST 8.11 1096 0 Normal
11/12/2026 06 PM PST 8.10 1090 - Normal
11/12/2026 07 PM PST 8.09 1085 - Normal
11/12/2026 08 PM PST 8.09 1085 0 Normal
11/12/2026 09 PM PST 8.09 1085 0 Normal
11/12/2026 10 PM PST 8.08 1079 - Normal
11/12/2026 11 PM PST 8.09 1085 + Normal
11/13/2026 12 AM PST 8.10 1090 + Normal
11/13/2026 01 AM PST 8.10 1090 0 Normal
11/13/2026 02 AM PST 8.10 1090 0 Normal
11/13/2026 03 AM PST 8.10 1090 0 Normal
11/13/2026 04 AM PST 8.09 1085 - Normal
11/13/2026 05 AM PST 8.09 1085 0 Normal
11/13/2026 06 AM PST 8.09 1085 0 Normal
11/13/2026 07 AM PST 8.08 1079 - Normal
11/13/2026 08 AM PST 8.08 1079 0 Normal
11/13/2026 09 AM PST 8.08 1079 0 Normal
11/13/2026 10 AM PST 8.08 1079 0 Normal
11/13/2026 11 AM PST 8.10 1090 + Normal
11/13/2026 12 PM PST 8.10 1090 0 Normal
11/13/2026 01 PM PST 8.11 1096 + Normal
11/13/2026 02 PM PST 8.12 1102 + Normal
11/13/2026 03 PM PST 8.11 1096 - Normal
11/13/2026 04 PM PST 8.13 1107 + Normal
11/13/2026 05 PM PST 8.14 1113 + Normal
11/13/2026 06 PM PST 8.14 1113 0 Normal
11/13/2026 07 PM PST 8.15 1119 + Normal
11/13/2026 08 PM PST 8.16 1124 + Normal
11/13/2026 09 PM PST 8.17 1130 + Normal
11/13/2026 10 PM PST 8.19 1142 + Normal
11/13/2026 11 PM PST 8.22 1159 + Normal
11/14/2026 12 AM PST 8.23 1165 + Normal
11/14/2026 01 AM PST 8.24 1170 + Normal
11/14/2026 02 AM PST 8.25 1176 + Normal
11/14/2026 03 AM PST 8.25 1176 0 Normal
11/14/2026 04 AM PST 8.26 1182 + Normal
11/14/2026 05 AM PST 8.26 1182 0 Normal
11/14/2026 06 AM PST 8.26 1182 0 Normal
11/14/2026 07 AM PST 8.27 1188 + Normal
11/14/2026 08 AM PST 8.27 1188 0 Normal
11/14/2026 09 AM PST 8.28 1194 + Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
11/14/2026 10 AM PST 8.28 1194 Normal
11/14/2026 11 AM PST 8.28 1194 0 Normal
11/14/2026 12 PM PST 8.28 1194 0 Normal
11/14/2026 01 PM PST 8.28 1194 0 Normal
11/14/2026 02 PM PST 8.29 1200 + Normal
11/14/2026 03 PM PST 8.29 1200 0 Normal
11/14/2026 04 PM PST 8.29 1200 0 Normal
11/14/2026 05 PM PST 8.29 1200 0 Normal
11/14/2026 06 PM PST 8.29 1200 0 Normal
11/14/2026 07 PM PST 8.29 1200 0 Normal
11/14/2026 08 PM PST 8.30 1205 + Normal
11/14/2026 09 PM PST 8.30 1205 0 Normal
11/14/2026 10 PM PST 8.30 1205 0 Normal
11/14/2026 11 PM PST 8.30 1205 0 Normal
11/15/2026 12 AM PST 8.30 1205 0 Normal
11/15/2026 01 AM PST 8.30 1205 0 Normal
11/15/2026 02 AM PST 8.31 1211 + Normal
11/15/2026 03 AM PST 8.31 1211 0 Normal
11/15/2026 04 AM PST 8.31 1211 0 Normal
11/15/2026 05 AM PST 8.31 1211 0 Normal
11/15/2026 06 AM PST 8.32 1217 + Normal
11/15/2026 07 AM PST 8.32 1217 0 Normal
11/15/2026 08 AM PST 8.32 1217 0 Normal
11/15/2026 09 AM PST 8.33 1223 + Normal
11/15/2026 10 AM PST 8.33 1223 0 Normal
11/15/2026 11 AM PST 8.34 1229 + Normal
11/15/2026 12 PM PST 8.34 1229 0 Normal
11/15/2026 01 PM PST 8.34 1229 0 Normal
11/15/2026 02 PM PST 8.34 1229 0 Normal
11/15/2026 03 PM PST 8.35 1235 + Normal
11/15/2026 04 PM PST 8.35 1235 0 Normal
11/15/2026 05 PM PST 8.35 1235 0 Normal
11/15/2026 06 PM PST 8.35 1235 0 Normal
11/15/2026 07 PM PST 8.35 1235 0 Normal
11/15/2026 08 PM PST 8.35 1235 0 Normal
11/15/2026 09 PM PST 8.35 1235 0 Normal
11/15/2026 10 PM PST 8.35 1235 0 Normal
11/15/2026 11 PM PST 8.35 1235 0 Normal
11/16/2026 12 AM PST 8.35 1235 0 Normal
11/16/2026 01 AM PST 8.35 1235 0 Normal
11/16/2026 02 AM PST 8.35 1235 0 Normal
11/16/2026 03 AM PST 8.35 1235 0 Normal
11/16/2026 04 AM PST 8.35 1235 0 Normal
11/16/2026 05 AM PST 8.35 1235 0 Normal
11/16/2026 06 AM PST 8.35 1235 0 Normal
11/16/2026 07 AM PST 8.35 1235 0 Normal
11/16/2026 08 AM PST 8.34 1229 - Normal
11/16/2026 09 AM PST 8.34 1229 0 Normal
11/16/2026 10 AM PST 8.34 1229 0 Normal
11/16/2026 11 AM PST 8.34 1229 0 Normal
11/16/2026 12 PM PST 8.34 1229 0 Normal
11/16/2026 01 PM PST 8.34 1229 0 Normal
11/16/2026 02 PM PST 8.34 1229 0 Normal
11/16/2026 03 PM PST 8.34 1229 0 Normal
11/16/2026 04 PM PST 8.34 1229 0 Normal
11/16/2026 05 PM PST 8.34 1229 0 Normal
11/16/2026 06 PM PST 8.34 1229 0 Normal
11/16/2026 07 PM PST 8.34 1229 0 Normal
11/16/2026 08 PM PST 8.34 1229 0 Normal
11/16/2026 09 PM PST 8.34 1229 0 Normal
11/16/2026 10 PM PST 8.34 1229 0 Normal
11/16/2026 11 PM PST 8.34 1229 0 Normal
11/17/2026 12 AM PST 8.34 1229 0 Normal
11/17/2026 01 AM PST 8.34 1229 0 Normal
11/17/2026 02 AM PST 8.34 1229 0 Normal
11/17/2026 03 AM PST 8.34 1229 0 Normal
11/17/2026 04 AM PST 8.34 1229 0 Normal
11/17/2026 05 AM PST 8.34 1229 0 Normal
11/17/2026 06 AM PST 8.34 1229 0 Normal
11/17/2026 07 AM PST 8.34 1229 0 Normal
11/17/2026 08 AM PST 8.34 1229 0 Normal
11/17/2026 09 AM PST 8.34 1229 0 Normal
11/17/2026 10 AM PST 8.34 1229 0 Normal
11/17/2026 11 AM PST 8.34 1229 0 Normal
11/17/2026 12 PM PST 8.34 1229 0 Normal
11/17/2026 01 PM PST 8.34 1229 0 Normal
11/17/2026 02 PM PST 8.34 1229 0 Normal
11/17/2026 03 PM PST 8.34 1229 0 Normal
11/17/2026 04 PM PST 8.34 1229 0 Normal
11/17/2026 05 PM PST 8.34 1229 0 Normal
11/17/2026 06 PM PST 8.34 1229 0 Normal
11/17/2026 07 PM PST 8.34 1229 0 Normal
11/17/2026 08 PM PST 8.35 1235 + Normal
11/17/2026 09 PM PST 8.35 1235 0 Normal
11/17/2026 10 PM PST 8.35 1235 0 Normal
11/17/2026 11 PM PST 8.35 1235 0 Normal
11/18/2026 12 AM PST 8.35 1235 0 Normal
11/18/2026 01 AM PST 8.35 1235 0 Normal
11/18/2026 02 AM PST 8.35 1235 0 Normal
11/18/2026 03 AM PST 8.35 1235 0 Normal
11/18/2026 04 AM PST 8.36 1241 + Normal
11/18/2026 05 AM PST 8.36 1241 0 Normal
11/18/2026 06 AM PST 8.36 1241 0 Normal
11/18/2026 07 AM PST 8.36 1241 0 Normal
11/18/2026 08 AM PST 8.36 1241 0 Normal
11/18/2026 09 AM PST 8.36 1241 0 Normal
11/18/2026 10 AM PST 8.36 1241 0 Normal
11/18/2026 11 AM PST 8.36 1241 0 Normal
11/18/2026 12 PM PST 8.36 1241 0 Normal
11/18/2026 01 PM PST 8.36 1241 0 Normal
11/18/2026 02 PM PST 8.36 1241 0 Normal
11/18/2026 03 PM PST 8.35 1235 - Normal
11/18/2026 04 PM PST 8.35 1235 0 Normal
11/18/2026 05 PM PST 8.35 1235 0 Normal
11/18/2026 06 PM PST 8.35 1235 0 Normal
11/18/2026 07 PM PST 8.35 1235 0 Normal
11/18/2026 08 PM PST 8.35 1235 0 Normal
11/18/2026 09 PM PST 8.35 1235 0 Normal
11/18/2026 10 PM PST 8.35 1235 0 Normal
11/18/2026 11 PM PST 8.35 1235 0 Normal
11/19/2026 12 AM PST 8.35 1235 0 Normal
11/19/2026 01 AM PST 8.35 1235 0 Normal
11/19/2026 02 AM PST 8.35 1235 0 Normal
11/19/2026 03 AM PST 8.35 1235 0 Normal
11/19/2026 04 AM PST 8.35 1235 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.
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