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GUADALUPE RIVER - SAN JOSE AT US HIGHWAY 101 (GSJC1)
| Latitude: 37.37º N | Longitude: 121.93º W | Elevation: 72 Feet | | Forecast Type: Unofficial Location |
| Location: Santa Clara County in California | Bulletin Group: Central Coast | River Group: South Bay |
| Issuance Time: | Nov 02 2026 at 12:53 PM PST | Next Issuance: | Nov 03 2026 at 9:00 AM PST
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| Action: 17.0 Feet | Minor Flood: 18.5 Feet | Moderate Flood: 19.5 Feet | Major Flood: 21.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Guadalupe River - San Jose at US Highway 101 (GSJC1)
#
# File Generation Time: 11/02/2026 at 12:54 PM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 11/01/2026 at 08:00 AM PST
# Maximum Observed Stage: 5.28 Feet
# Maximum Observed Flow: 35 cfs
#
# Earliest Date & Time of Maximum Forecast: 11/03/2026 at 09:00 PM PST
# Maximum Forecast Stage: 5.70 Feet
# Maximum Forecast Flow: 76 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
10/28/2026 01 PM PDT 5.13 24 Normal
10/28/2026 02 PM PDT 5.12 23 - Normal
10/28/2026 03 PM PDT 5.12 23 0 Normal
10/28/2026 04 PM PDT 5.12 23 0 Normal
10/28/2026 05 PM PDT 5.11 23 - Normal
10/28/2026 06 PM PDT 5.12 23 + Normal
10/28/2026 07 PM PDT 5.12 23 0 Normal
10/28/2026 08 PM PDT 5.11 23 - Normal
10/28/2026 09 PM PDT 5.11 23 0 Normal
10/28/2026 10 PM PDT 5.12 23 + Normal
10/28/2026 11 PM PDT 5.14 25 + Normal
10/29/2026 12 AM PDT 5.14 25 0 Normal
10/29/2026 01 AM PDT 5.14 25 0 Normal
10/29/2026 02 AM PDT 5.14 25 0 Normal
10/29/2026 03 AM PDT 5.13 24 - Normal
10/29/2026 04 AM PDT 5.13 24 0 Normal
10/29/2026 05 AM PDT 5.13 24 0 Normal
10/29/2026 06 AM PDT 5.14 25 + Normal
10/29/2026 07 AM PDT 5.14 25 0 Normal
10/29/2026 08 AM PDT 5.14 25 0 Normal
10/29/2026 09 AM PDT 5.15 25 + Normal
10/29/2026 10 AM PDT 5.15 25 0 Normal
10/29/2026 11 AM PDT 5.14 25 - Normal
10/29/2026 12 PM PDT 5.15 25 + Normal
10/29/2026 01 PM PDT 5.15 25 0 Normal
10/29/2026 02 PM PDT 5.16 26 + Normal
10/29/2026 03 PM PDT 5.17 27 + Normal
10/29/2026 04 PM PDT 5.17 27 0 Normal
10/29/2026 05 PM PDT 5.17 27 0 Normal
10/29/2026 06 PM PDT 5.18 27 + Normal
10/29/2026 07 PM PDT 5.16 26 - Normal
10/29/2026 08 PM PDT 5.14 25 - Normal
10/29/2026 09 PM PDT 5.13 24 - Normal
10/29/2026 10 PM PDT 5.13 24 0 Normal
10/29/2026 11 PM PDT 5.14 25 + Normal
10/30/2026 12 AM PDT 5.13 24 - Normal
10/30/2026 01 AM PDT 5.13 24 0 Normal
10/30/2026 02 AM PDT 5.13 24 0 Normal
10/30/2026 03 AM PDT 5.13 24 0 Normal
10/30/2026 04 AM PDT 5.13 24 0 Normal
10/30/2026 05 AM PDT 5.13 24 0 Normal
10/30/2026 06 AM PDT 5.13 24 0 Normal
10/30/2026 07 AM PDT 5.13 24 0 Normal
10/30/2026 08 AM PDT 5.13 24 0 Normal
10/30/2026 09 AM PDT 5.13 24 0 Normal
10/30/2026 10 AM PDT 5.14 25 + Normal
10/30/2026 11 AM PDT 5.14 25 0 Normal
10/30/2026 12 PM PDT 5.14 25 0 Normal
10/30/2026 01 PM PDT 5.14 25 0 Normal
10/30/2026 02 PM PDT 5.14 25 0 Normal
10/30/2026 03 PM PDT 5.14 25 0 Normal
10/30/2026 04 PM PDT 5.14 25 0 Normal
10/30/2026 05 PM PDT 5.14 25 0 Normal
10/30/2026 06 PM PDT 5.13 24 - Normal
10/30/2026 07 PM PDT 5.13 24 0 Normal
10/30/2026 08 PM PDT 5.14 25 + Normal
10/30/2026 09 PM PDT 5.13 24 - Normal
10/30/2026 10 PM PDT 5.13 24 0 Normal
10/30/2026 11 PM PDT 5.13 24 0 Normal
10/31/2026 12 AM PDT 5.13 24 0 Normal
10/31/2026 01 AM PDT 5.13 24 0 Normal
10/31/2026 02 AM PDT 5.13 24 0 Normal
10/31/2026 03 AM PDT 5.14 25 + Normal
10/31/2026 04 AM PDT 5.14 25 0 Normal
10/31/2026 05 AM PDT 5.14 25 0 Normal
10/31/2026 06 AM PDT 5.15 25 + Normal
10/31/2026 07 AM PDT 5.15 25 0 Normal
10/31/2026 08 AM PDT 5.15 25 0 Normal
10/31/2026 09 AM PDT 5.15 25 0 Normal
10/31/2026 10 AM PDT 5.16 26 + Normal
10/31/2026 11 AM PDT 5.15 25 - Normal
10/31/2026 12 PM PDT 5.15 25 0 Normal
10/31/2026 01 PM PDT 5.16 26 + Normal
10/31/2026 02 PM PDT 5.15 25 - Normal
10/31/2026 03 PM PDT 5.15 25 0 Normal
10/31/2026 04 PM PDT 5.15 25 0 Normal
10/31/2026 05 PM PDT 5.15 25 0 Normal
10/31/2026 06 PM PDT 5.14 25 - Normal
10/31/2026 07 PM PDT 5.13 24 - Normal
10/31/2026 08 PM PDT 5.13 24 0 Normal
10/31/2026 09 PM PDT 5.13 24 0 Normal
10/31/2026 10 PM PDT 5.13 24 0 Normal
10/31/2026 11 PM PDT 5.13 24 0 Normal
11/01/2026 12 AM PDT 5.13 24 0 Normal
11/01/2026 01 AM PDT 5.14 25 + Normal
11/01/2026 01 AM PST 5.15 25 + Normal
11/01/2026 02 AM PST 5.15 25 0 Normal
11/01/2026 03 AM PST 5.16 26 + Normal
11/01/2026 04 AM PST 5.18 27 + Normal
11/01/2026 05 AM PST 5.19 28 + Normal
11/01/2026 06 AM PST 5.22 30 + Normal
11/01/2026 07 AM PST 5.28 35 + Normal
11/01/2026 08 AM PST 5.28 35 0 Normal
11/01/2026 09 AM PST 5.26 34 - Normal
11/01/2026 10 AM PST 5.24 32 - Normal
11/01/2026 11 AM PST 5.23 31 - Normal
11/01/2026 12 PM PST 5.21 30 - Normal
11/01/2026 01 PM PST 5.20 29 - Normal
11/01/2026 02 PM PST 5.19 28 - Normal
11/01/2026 03 PM PST 5.19 28 0 Normal
11/01/2026 04 PM PST 5.22 30 + Normal
11/01/2026 05 PM PST 5.24 32 + Normal
11/01/2026 06 PM PST 5.24 32 0 Normal
11/01/2026 07 PM PST 5.23 31 - Normal
11/01/2026 08 PM PST 5.21 30 - Normal
11/01/2026 09 PM PST 5.21 30 0 Normal
11/01/2026 10 PM PST 5.21 30 0 Normal
11/01/2026 11 PM PST 5.21 30 0 Normal
11/02/2026 12 AM PST 5.21 30 0 Normal
11/02/2026 01 AM PST 5.20 29 - Normal
11/02/2026 02 AM PST 5.20 29 0 Normal
11/02/2026 03 AM PST 5.19 28 - Normal
11/02/2026 04 AM PST 5.19 28 0 Normal
11/02/2026 05 AM PST 5.18 27 - Normal
11/02/2026 06 AM PST 5.18 27 0 Normal
11/02/2026 07 AM PST 5.18 27 0 Normal
11/02/2026 08 AM PST 5.17 27 - Normal
11/02/2026 09 AM PST 5.17 27 0 Normal
11/02/2026 10 AM PST 5.17 27 0 Normal
11/02/2026 11 AM PST 5.17 27 0 Normal
11/02/2026 12 PM PST 5.17 27 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
11/02/2026 01 PM PST 5.17 27 Normal
11/02/2026 02 PM PST 5.17 27 0 Normal
11/02/2026 03 PM PST 5.17 27 0 Normal
11/02/2026 04 PM PST 5.17 27 0 Normal
11/02/2026 05 PM PST 5.17 27 0 Normal
11/02/2026 06 PM PST 5.17 27 0 Normal
11/02/2026 07 PM PST 5.17 27 0 Normal
11/02/2026 08 PM PST 5.17 27 0 Normal
11/02/2026 09 PM PST 5.17 27 0 Normal
11/02/2026 10 PM PST 5.17 27 0 Normal
11/02/2026 11 PM PST 5.17 27 0 Normal
11/03/2026 12 AM PST 5.17 27 0 Normal
11/03/2026 01 AM PST 5.17 27 0 Normal
11/03/2026 02 AM PST 5.17 27 0 Normal
11/03/2026 03 AM PST 5.17 27 0 Normal
11/03/2026 04 AM PST 5.17 27 0 Normal
11/03/2026 05 AM PST 5.17 27 0 Normal
11/03/2026 06 AM PST 5.17 27 0 Normal
11/03/2026 07 AM PST 5.17 27 0 Normal
11/03/2026 08 AM PST 5.17 27 0 Normal
11/03/2026 09 AM PST 5.17 27 0 Normal
11/03/2026 10 AM PST 5.17 27 0 Normal
11/03/2026 11 AM PST 5.17 27 0 Normal
11/03/2026 12 PM PST 5.17 27 0 Normal
11/03/2026 01 PM PST 5.18 27 + Normal
11/03/2026 02 PM PST 5.20 29 + Normal
11/03/2026 03 PM PST 5.24 32 + Normal
11/03/2026 04 PM PST 5.31 38 + Normal
11/03/2026 05 PM PST 5.37 43 + Normal
11/03/2026 06 PM PST 5.42 47 + Normal
11/03/2026 07 PM PST 5.51 56 + Normal
11/03/2026 08 PM PST 5.63 68 + Normal
11/03/2026 09 PM PST 5.70 76 + Normal
11/03/2026 10 PM PST 5.66 72 - Normal
11/03/2026 11 PM PST 5.58 63 - Normal
11/04/2026 12 AM PST 5.47 52 - Normal
11/04/2026 01 AM PST 5.38 44 - Normal
11/04/2026 02 AM PST 5.32 38 - Normal
11/04/2026 03 AM PST 5.29 36 - Normal
11/04/2026 04 AM PST 5.26 34 - Normal
11/04/2026 05 AM PST 5.24 32 - Normal
11/04/2026 06 AM PST 5.21 30 - Normal
11/04/2026 07 AM PST 5.20 29 - Normal
11/04/2026 08 AM PST 5.19 28 - Normal
11/04/2026 09 AM PST 5.19 28 0 Normal
11/04/2026 10 AM PST 5.18 27 - Normal
11/04/2026 11 AM PST 5.18 27 0 Normal
11/04/2026 12 PM PST 5.18 27 0 Normal
11/04/2026 01 PM PST 5.18 27 0 Normal
11/04/2026 02 PM PST 5.18 27 0 Normal
11/04/2026 03 PM PST 5.18 27 0 Normal
11/04/2026 04 PM PST 5.18 27 0 Normal
11/04/2026 05 PM PST 5.18 27 0 Normal
11/04/2026 06 PM PST 5.18 27 0 Normal
11/04/2026 07 PM PST 5.18 27 0 Normal
11/04/2026 08 PM PST 5.18 27 0 Normal
11/04/2026 09 PM PST 5.18 27 0 Normal
11/04/2026 10 PM PST 5.18 27 0 Normal
11/04/2026 11 PM PST 5.18 27 0 Normal
11/05/2026 12 AM PST 5.18 27 0 Normal
11/05/2026 01 AM PST 5.18 27 0 Normal
11/05/2026 02 AM PST 5.18 27 0 Normal
11/05/2026 03 AM PST 5.18 27 0 Normal
11/05/2026 04 AM PST 5.18 27 0 Normal
11/05/2026 05 AM PST 5.18 27 0 Normal
11/05/2026 06 AM PST 5.18 27 0 Normal
11/05/2026 07 AM PST 5.18 27 0 Normal
11/05/2026 08 AM PST 5.18 27 0 Normal
11/05/2026 09 AM PST 5.18 27 0 Normal
11/05/2026 10 AM PST 5.18 27 0 Normal
11/05/2026 11 AM PST 5.18 27 0 Normal
11/05/2026 12 PM PST 5.18 27 0 Normal
11/05/2026 01 PM PST 5.18 27 0 Normal
11/05/2026 02 PM PST 5.18 27 0 Normal
11/05/2026 03 PM PST 5.18 27 0 Normal
11/05/2026 04 PM PST 5.18 27 0 Normal
11/05/2026 05 PM PST 5.18 27 0 Normal
11/05/2026 06 PM PST 5.18 27 0 Normal
11/05/2026 07 PM PST 5.18 27 0 Normal
11/05/2026 08 PM PST 5.18 27 0 Normal
11/05/2026 09 PM PST 5.18 27 0 Normal
11/05/2026 10 PM PST 5.18 27 0 Normal
11/05/2026 11 PM PST 5.18 27 0 Normal
11/06/2026 12 AM PST 5.18 27 0 Normal
11/06/2026 01 AM PST 5.18 27 0 Normal
11/06/2026 02 AM PST 5.18 27 0 Normal
11/06/2026 03 AM PST 5.18 27 0 Normal
11/06/2026 04 AM PST 5.18 27 0 Normal
11/06/2026 05 AM PST 5.18 27 0 Normal
11/06/2026 06 AM PST 5.18 27 0 Normal
11/06/2026 07 AM PST 5.18 27 0 Normal
11/06/2026 08 AM PST 5.18 27 0 Normal
11/06/2026 09 AM PST 5.18 27 0 Normal
11/06/2026 10 AM PST 5.18 27 0 Normal
11/06/2026 11 AM PST 5.18 27 0 Normal
11/06/2026 12 PM PST 5.18 27 0 Normal
11/06/2026 01 PM PST 5.18 27 0 Normal
11/06/2026 02 PM PST 5.18 27 0 Normal
11/06/2026 03 PM PST 5.18 27 0 Normal
11/06/2026 04 PM PST 5.18 27 0 Normal
11/06/2026 05 PM PST 5.18 27 0 Normal
11/06/2026 06 PM PST 5.18 27 0 Normal
11/06/2026 07 PM PST 5.18 27 0 Normal
11/06/2026 08 PM PST 5.18 27 0 Normal
11/06/2026 09 PM PST 5.18 27 0 Normal
11/06/2026 10 PM PST 5.18 27 0 Normal
11/06/2026 11 PM PST 5.18 27 0 Normal
11/07/2026 12 AM PST 5.18 27 0 Normal
11/07/2026 01 AM PST 5.18 27 0 Normal
11/07/2026 02 AM PST 5.18 27 0 Normal
11/07/2026 03 AM PST 5.18 27 0 Normal
11/07/2026 04 AM PST 5.18 27 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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