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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: | Jun 01 2026 at 7:08 AM PDT | Next Issuance: | Jun 02 2026 at 9:00 AM PDT
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| Action/Monitor: 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: 06/01/2026 at 07:09 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 05/27/2026 at 09:00 PM PDT
# Maximum Observed Stage: 6.64 Feet
# Maximum Observed Flow: 235 cfs
#
# Earliest Date & Time of Maximum Forecast: 06/01/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 5.16 Feet
# Maximum Forecast Flow: 31 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
05/27/2026 07 AM PDT 5.21 35 Normal
05/27/2026 08 AM PDT 5.21 35 0 Normal
05/27/2026 09 AM PDT 5.21 35 0 Normal
05/27/2026 10 AM PDT 5.22 36 + Normal
05/27/2026 11 AM PDT 5.23 37 + Normal
05/27/2026 12 PM PDT 5.22 36 - Normal
05/27/2026 01 PM PDT 5.21 35 - Normal
05/27/2026 02 PM PDT 5.21 35 0 Normal
05/27/2026 03 PM PDT 5.22 36 + Normal
05/27/2026 04 PM PDT 5.23 37 + Normal
05/27/2026 05 PM PDT 5.22 36 - Normal
05/27/2026 06 PM PDT 5.22 36 0 Normal
05/27/2026 07 PM PDT 5.22 36 0 Normal
05/27/2026 08 PM PDT 5.20 34 - Normal
05/27/2026 09 PM PDT 6.64 235 + Normal
05/27/2026 10 PM PDT 6.60 226 - Normal
05/27/2026 11 PM PDT 6.07 133 - Normal
05/28/2026 12 AM PDT 5.74 89 - Normal
05/28/2026 01 AM PDT 5.56 68 - Normal
05/28/2026 02 AM PDT 5.45 57 - Normal
05/28/2026 03 AM PDT 5.37 49 - Normal
05/28/2026 04 AM PDT 5.33 45 - Normal
05/28/2026 05 AM PDT 5.29 42 - Normal
05/28/2026 06 AM PDT 5.27 40 - Normal
05/28/2026 07 AM PDT 5.29 42 + Normal
05/28/2026 08 AM PDT 5.37 49 + Normal
05/28/2026 09 AM PDT 5.44 56 + Normal
05/28/2026 10 AM PDT 5.60 72 + Normal
05/28/2026 11 AM PDT 5.73 88 + Normal
05/28/2026 12 PM PDT 5.81 98 + Normal
05/28/2026 01 PM PDT 5.80 96 - Normal
05/28/2026 02 PM PDT 5.72 86 - Normal
05/28/2026 03 PM PDT 5.61 74 - Normal
05/28/2026 04 PM PDT 5.51 63 - Normal
05/28/2026 05 PM PDT 5.43 55 - Normal
05/28/2026 06 PM PDT 5.38 50 - Normal
05/28/2026 07 PM PDT 5.35 47 - Normal
05/28/2026 08 PM PDT 5.34 46 - Normal
05/28/2026 09 PM PDT 5.32 44 - Normal
05/28/2026 10 PM PDT 5.29 42 - Normal
05/28/2026 11 PM PDT 5.27 40 - Normal
05/29/2026 12 AM PDT 5.26 39 - Normal
05/29/2026 01 AM PDT 5.24 38 - Normal
05/29/2026 02 AM PDT 5.24 38 0 Normal
05/29/2026 03 AM PDT 5.23 37 - Normal
05/29/2026 04 AM PDT 5.23 37 0 Normal
05/29/2026 05 AM PDT 5.23 37 0 Normal
05/29/2026 06 AM PDT 5.23 37 0 Normal
05/29/2026 07 AM PDT 5.24 38 + Normal
05/29/2026 08 AM PDT 5.23 37 - Normal
05/29/2026 09 AM PDT 5.23 37 0 Normal
05/29/2026 10 AM PDT 5.24 38 + Normal
05/29/2026 11 AM PDT 5.23 37 - Normal
05/29/2026 12 PM PDT 5.21 35 - Normal
05/29/2026 01 PM PDT 5.21 35 0 Normal
05/29/2026 02 PM PDT 5.20 34 - Normal
05/29/2026 03 PM PDT 5.20 34 0 Normal
05/29/2026 04 PM PDT 5.20 34 0 Normal
05/29/2026 05 PM PDT 5.20 34 0 Normal
05/29/2026 06 PM PDT 5.19 34 - Normal
05/29/2026 07 PM PDT 5.19 34 0 Normal
05/29/2026 08 PM PDT 5.19 34 0 Normal
05/29/2026 09 PM PDT 5.19 34 0 Normal
05/29/2026 10 PM PDT 5.18 33 - Normal
05/29/2026 11 PM PDT 5.18 33 0 Normal
05/30/2026 12 AM PDT 5.18 33 0 Normal
05/30/2026 01 AM PDT 5.18 33 0 Normal
05/30/2026 02 AM PDT 5.18 33 0 Normal
05/30/2026 03 AM PDT 5.18 33 0 Normal
05/30/2026 04 AM PDT 5.18 33 0 Normal
05/30/2026 05 AM PDT 5.18 33 0 Normal
05/30/2026 06 AM PDT 5.18 33 0 Normal
05/30/2026 07 AM PDT 5.18 33 0 Normal
05/30/2026 08 AM PDT 5.19 34 + Normal
05/30/2026 09 AM PDT 5.19 34 0 Normal
05/30/2026 10 AM PDT 5.19 34 0 Normal
05/30/2026 11 AM PDT 5.20 34 + Normal
05/30/2026 12 PM PDT 5.19 34 - Normal
05/30/2026 01 PM PDT 5.19 34 0 Normal
05/30/2026 02 PM PDT 5.18 33 - Normal
05/30/2026 03 PM PDT 5.18 33 0 Normal
05/30/2026 04 PM PDT 5.17 32 - Normal
05/30/2026 05 PM PDT 5.18 33 + Normal
05/30/2026 06 PM PDT 5.18 33 0 Normal
05/30/2026 07 PM PDT 5.18 33 0 Normal
05/30/2026 08 PM PDT 5.18 33 0 Normal
05/30/2026 09 PM PDT 5.17 32 - Normal
05/30/2026 10 PM PDT 5.17 32 0 Normal
05/30/2026 11 PM PDT 5.17 32 0 Normal
05/31/2026 12 AM PDT 5.17 32 0 Normal
05/31/2026 01 AM PDT 5.17 32 0 Normal
05/31/2026 02 AM PDT 5.17 32 0 Normal
05/31/2026 03 AM PDT 5.17 32 0 Normal
05/31/2026 04 AM PDT 5.18 33 + Normal
05/31/2026 05 AM PDT 5.18 33 0 Normal
05/31/2026 06 AM PDT 5.19 34 + Normal
05/31/2026 07 AM PDT 5.18 33 - Normal
05/31/2026 08 AM PDT 5.18 33 0 Normal
05/31/2026 09 AM PDT 5.18 33 0 Normal
05/31/2026 10 AM PDT 5.19 34 + Normal
05/31/2026 11 AM PDT 5.18 33 - Normal
05/31/2026 12 PM PDT 5.17 32 - Normal
05/31/2026 01 PM PDT 5.17 32 0 Normal
05/31/2026 02 PM PDT 5.17 32 0 Normal
05/31/2026 03 PM PDT 5.17 32 0 Normal
05/31/2026 04 PM PDT 5.17 32 0 Normal
05/31/2026 05 PM PDT 5.17 32 0 Normal
05/31/2026 06 PM PDT 5.18 33 + Normal
05/31/2026 07 PM PDT 5.17 32 - Normal
05/31/2026 08 PM PDT 5.16 31 - Normal
05/31/2026 09 PM PDT 5.16 31 0 Normal
05/31/2026 10 PM PDT 5.16 31 0 Normal
05/31/2026 11 PM PDT 5.16 31 0 Normal
06/01/2026 12 AM PDT 5.16 31 0 Normal
06/01/2026 01 AM PDT 5.16 31 0 Normal
06/01/2026 02 AM PDT 5.16 31 0 Normal
06/01/2026 03 AM PDT 5.16 31 0 Normal
06/01/2026 04 AM PDT 5.16 31 0 Normal
06/01/2026 05 AM PDT 5.17 32 + Normal
06/01/2026 06 AM PDT 5.16 31 - Normal
06/01/2026 07 AM PDT 5.16 31 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
06/01/2026 08 AM PDT 5.16 31 Normal
06/01/2026 09 AM PDT 5.16 31 0 Normal
06/01/2026 10 AM PDT 5.16 31 0 Normal
06/01/2026 11 AM PDT 5.16 31 0 Normal
06/01/2026 12 PM PDT 5.16 31 0 Normal
06/01/2026 01 PM PDT 5.16 31 0 Normal
06/01/2026 02 PM PDT 5.16 31 0 Normal
06/01/2026 03 PM PDT 5.16 31 0 Normal
06/01/2026 04 PM PDT 5.16 31 0 Normal
06/01/2026 05 PM PDT 5.16 31 0 Normal
06/01/2026 06 PM PDT 5.15 30 - Normal
06/01/2026 07 PM PDT 5.15 30 0 Normal
06/01/2026 08 PM PDT 5.15 30 0 Normal
06/01/2026 09 PM PDT 5.15 30 0 Normal
06/01/2026 10 PM PDT 5.15 30 0 Normal
06/01/2026 11 PM PDT 5.15 30 0 Normal
06/02/2026 12 AM PDT 5.15 30 0 Normal
06/02/2026 01 AM PDT 5.15 30 0 Normal
06/02/2026 02 AM PDT 5.15 30 0 Normal
06/02/2026 03 AM PDT 5.15 30 0 Normal
06/02/2026 04 AM PDT 5.15 30 0 Normal
06/02/2026 05 AM PDT 5.15 30 0 Normal
06/02/2026 06 AM PDT 5.15 30 0 Normal
06/02/2026 07 AM PDT 5.15 30 0 Normal
06/02/2026 08 AM PDT 5.15 30 0 Normal
06/02/2026 09 AM PDT 5.15 30 0 Normal
06/02/2026 10 AM PDT 5.15 30 0 Normal
06/02/2026 11 AM PDT 5.15 30 0 Normal
06/02/2026 12 PM PDT 5.15 30 0 Normal
06/02/2026 01 PM PDT 5.15 30 0 Normal
06/02/2026 02 PM PDT 5.15 30 0 Normal
06/02/2026 03 PM PDT 5.15 30 0 Normal
06/02/2026 04 PM PDT 5.15 30 0 Normal
06/02/2026 05 PM PDT 5.15 30 0 Normal
06/02/2026 06 PM PDT 5.15 30 0 Normal
06/02/2026 07 PM PDT 5.15 30 0 Normal
06/02/2026 08 PM PDT 5.14 30 - Normal
06/02/2026 09 PM PDT 5.14 30 0 Normal
06/02/2026 10 PM PDT 5.14 30 0 Normal
06/02/2026 11 PM PDT 5.14 30 0 Normal
06/03/2026 12 AM PDT 5.14 30 0 Normal
06/03/2026 01 AM PDT 5.14 30 0 Normal
06/03/2026 02 AM PDT 5.14 30 0 Normal
06/03/2026 03 AM PDT 5.14 30 0 Normal
06/03/2026 04 AM PDT 5.14 30 0 Normal
06/03/2026 05 AM PDT 5.14 30 0 Normal
06/03/2026 06 AM PDT 5.14 30 0 Normal
06/03/2026 07 AM PDT 5.14 30 0 Normal
06/03/2026 08 AM PDT 5.14 30 0 Normal
06/03/2026 09 AM PDT 5.14 30 0 Normal
06/03/2026 10 AM PDT 5.14 30 0 Normal
06/03/2026 11 AM PDT 5.14 30 0 Normal
06/03/2026 12 PM PDT 5.14 30 0 Normal
06/03/2026 01 PM PDT 5.14 30 0 Normal
06/03/2026 02 PM PDT 5.14 30 0 Normal
06/03/2026 03 PM PDT 5.14 30 0 Normal
06/03/2026 04 PM PDT 5.14 30 0 Normal
06/03/2026 05 PM PDT 5.14 30 0 Normal
06/03/2026 06 PM PDT 5.14 30 0 Normal
06/03/2026 07 PM PDT 5.14 30 0 Normal
06/03/2026 08 PM PDT 5.14 30 0 Normal
06/03/2026 09 PM PDT 5.14 30 0 Normal
06/03/2026 10 PM PDT 5.14 30 0 Normal
06/03/2026 11 PM PDT 5.14 30 0 Normal
06/04/2026 12 AM PDT 5.14 30 0 Normal
06/04/2026 01 AM PDT 5.14 30 0 Normal
06/04/2026 02 AM PDT 5.14 30 0 Normal
06/04/2026 03 AM PDT 5.14 30 0 Normal
06/04/2026 04 AM PDT 5.14 30 0 Normal
06/04/2026 05 AM PDT 5.14 30 0 Normal
06/04/2026 06 AM PDT 5.14 30 0 Normal
06/04/2026 07 AM PDT 5.14 30 0 Normal
06/04/2026 08 AM PDT 5.14 30 0 Normal
06/04/2026 09 AM PDT 5.14 30 0 Normal
06/04/2026 10 AM PDT 5.14 30 0 Normal
06/04/2026 11 AM PDT 5.14 30 0 Normal
06/04/2026 12 PM PDT 5.13 29 - Normal
06/04/2026 01 PM PDT 5.13 29 0 Normal
06/04/2026 02 PM PDT 5.13 29 0 Normal
06/04/2026 03 PM PDT 5.13 29 0 Normal
06/04/2026 04 PM PDT 5.13 29 0 Normal
06/04/2026 05 PM PDT 5.13 29 0 Normal
06/04/2026 06 PM PDT 5.13 29 0 Normal
06/04/2026 07 PM PDT 5.13 29 0 Normal
06/04/2026 08 PM PDT 5.13 29 0 Normal
06/04/2026 09 PM PDT 5.13 29 0 Normal
06/04/2026 10 PM PDT 5.13 29 0 Normal
06/04/2026 11 PM PDT 5.13 29 0 Normal
06/05/2026 12 AM PDT 5.13 29 0 Normal
06/05/2026 01 AM PDT 5.13 29 0 Normal
06/05/2026 02 AM PDT 5.13 29 0 Normal
06/05/2026 03 AM PDT 5.13 29 0 Normal
06/05/2026 04 AM PDT 5.13 29 0 Normal
06/05/2026 05 AM PDT 5.13 29 0 Normal
06/05/2026 06 AM PDT 5.13 29 0 Normal
06/05/2026 07 AM PDT 5.13 29 0 Normal
06/05/2026 08 AM PDT 5.13 29 0 Normal
06/05/2026 09 AM PDT 5.13 29 0 Normal
06/05/2026 10 AM PDT 5.13 29 0 Normal
06/05/2026 11 AM PDT 5.13 29 0 Normal
06/05/2026 12 PM PDT 5.13 29 0 Normal
06/05/2026 01 PM PDT 5.13 29 0 Normal
06/05/2026 02 PM PDT 5.13 29 0 Normal
06/05/2026 03 PM PDT 5.13 29 0 Normal
06/05/2026 04 PM PDT 5.13 29 0 Normal
06/05/2026 05 PM PDT 5.13 29 0 Normal
06/05/2026 06 PM PDT 5.12 28 - Normal
06/05/2026 07 PM PDT 5.12 28 0 Normal
06/05/2026 08 PM PDT 5.12 28 0 Normal
06/05/2026 09 PM PDT 5.12 28 0 Normal
06/05/2026 10 PM PDT 5.12 28 0 Normal
06/05/2026 11 PM PDT 5.12 28 0 Normal
06/06/2026 12 AM PDT 5.12 28 0 Normal
06/06/2026 01 AM PDT 5.12 28 0 Normal
06/06/2026 02 AM PDT 5.12 28 0 Normal
06/06/2026 03 AM PDT 5.12 28 0 Normal
06/06/2026 04 AM PDT 5.12 28 0 Normal
06/06/2026 05 AM PDT 5.12 28 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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