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

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GUADALUPE RIVER - SAN JOSE AT US HIGHWAY 101 (GSJC1)
Latitude: 37.37º NLongitude: 121.93º WElevation: 72 Feet
Location: Santa Clara County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: Jul 05 2025 at 7:48 AM PDTNext Issuance: Jul 06 2025 at 9:00 AM PDT
Action/Monitor: 17.0 FeetMinor Flood: 18.5 FeetModerate Flood: 19.5 FeetMajor Flood: 21.0 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Guadalupe River - San Jose at US Highway 101 (GSJC1)
#
# File Generation Time:  07/05/2025 at 07:50 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  07/01/2025 at 12:00 PM PDT
# Maximum Observed Stage:                       5.32 Feet
# Maximum Observed Flow:                        38 cfs
#
# Earliest Date & Time of Maximum Forecast:     07/05/2025 at 08:00 AM PDT
# Maximum Forecast Stage:                       5.22 Feet
# Maximum Forecast Flow:                        30 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/30/2025 07 AM PDT            5.23             30                        Normal
  06/30/2025 08 AM PDT            5.23             30         0              Normal
  06/30/2025 09 AM PDT            5.23             30         0              Normal
  06/30/2025 10 AM PDT            5.24             31         +              Normal
  06/30/2025 11 AM PDT            5.23             30         -              Normal
  06/30/2025 12 PM PDT            5.26             33         +              Normal
  06/30/2025 01 PM PDT            5.30             36         +              Normal
  06/30/2025 02 PM PDT            5.27             34         -              Normal
  06/30/2025 03 PM PDT            5.26             33         -              Normal
  06/30/2025 04 PM PDT            5.25             32         -              Normal
  06/30/2025 05 PM PDT            5.24             31         -              Normal
  06/30/2025 06 PM PDT            5.23             30         -              Normal
  06/30/2025 07 PM PDT            5.23             30         0              Normal
  06/30/2025 08 PM PDT            5.23             30         0              Normal
  06/30/2025 09 PM PDT            5.23             30         0              Normal
  06/30/2025 10 PM PDT            5.22             30         -              Normal
  06/30/2025 11 PM PDT            5.21             29         -              Normal
  07/01/2025 12 AM PDT            5.21             29         0              Normal
  07/01/2025 01 AM PDT            5.21             29         0              Normal
  07/01/2025 02 AM PDT            5.22             30         +              Normal
  07/01/2025 03 AM PDT            5.22             30         0              Normal
  07/01/2025 04 AM PDT            5.22             30         0              Normal
  07/01/2025 05 AM PDT            5.22             30         0              Normal
  07/01/2025 06 AM PDT            5.22             30         0              Normal
  07/01/2025 07 AM PDT            5.23             30         +              Normal
  07/01/2025 08 AM PDT            5.23             30         0              Normal
  07/01/2025 09 AM PDT            5.23             30         0              Normal
  07/01/2025 10 AM PDT            5.23             30         0              Normal
  07/01/2025 11 AM PDT            5.30             36         +              Normal
  07/01/2025 12 PM PDT            5.32             38         +              Normal
  07/01/2025 01 PM PDT            5.28             34         -              Normal
  07/01/2025 02 PM PDT            5.25             32         -              Normal
  07/01/2025 03 PM PDT            5.24             31         -              Normal
  07/01/2025 04 PM PDT            5.23             30         -              Normal
  07/01/2025 05 PM PDT            5.22             30         -              Normal
  07/01/2025 06 PM PDT            5.22             30         0              Normal
  07/01/2025 07 PM PDT            5.22             30         0              Normal
  07/01/2025 08 PM PDT            5.22             30         0              Normal
  07/01/2025 09 PM PDT            5.22             30         0              Normal
  07/01/2025 10 PM PDT            5.21             29         -              Normal
  07/01/2025 11 PM PDT            5.21             29         0              Normal
  07/02/2025 12 AM PDT            5.22             30         +              Normal
  07/02/2025 01 AM PDT            5.25             32         +              Normal
  07/02/2025 02 AM PDT            5.28             34         +              Normal
  07/02/2025 03 AM PDT            5.26             33         -              Normal
  07/02/2025 04 AM PDT            5.23             30         -              Normal
  07/02/2025 05 AM PDT            5.23             30         0              Normal
  07/02/2025 06 AM PDT            5.24             31         +              Normal
  07/02/2025 07 AM PDT            5.23             30         -              Normal
  07/02/2025 08 AM PDT            5.24             31         +              Normal
  07/02/2025 09 AM PDT            5.24             31         0              Normal
  07/02/2025 10 AM PDT            5.24             31         0              Normal
  07/02/2025 11 AM PDT            5.24             31         0              Normal
  07/02/2025 12 PM PDT            5.23             30         -              Normal
  07/02/2025 01 PM PDT            5.23             30         0              Normal
  07/02/2025 02 PM PDT            5.24             31         +              Normal
  07/02/2025 03 PM PDT            5.24             31         0              Normal
  07/02/2025 04 PM PDT            5.26             33         +              Normal
  07/02/2025 05 PM PDT            5.24             31         -              Normal
  07/02/2025 06 PM PDT            5.23             30         -              Normal
  07/02/2025 07 PM PDT            5.23             30         0              Normal
  07/02/2025 08 PM PDT            5.23             30         0              Normal
  07/02/2025 09 PM PDT            5.23             30         0              Normal
  07/02/2025 10 PM PDT            5.23             30         0              Normal
  07/02/2025 11 PM PDT            5.22             30         -              Normal
  07/03/2025 12 AM PDT            5.22             30         0              Normal
  07/03/2025 01 AM PDT            5.22             30         0              Normal
  07/03/2025 02 AM PDT            5.22             30         0              Normal
  07/03/2025 03 AM PDT            5.23             30         +              Normal
  07/03/2025 04 AM PDT            5.23             30         0              Normal
  07/03/2025 05 AM PDT            5.23             30         0              Normal
  07/03/2025 06 AM PDT            5.23             30         0              Normal
  07/03/2025 07 AM PDT            5.24             31         +              Normal
  07/03/2025 08 AM PDT            5.24             31         0              Normal
  07/03/2025 09 AM PDT            5.24             31         0              Normal
  07/03/2025 10 AM PDT            5.24             31         0              Normal
  07/03/2025 11 AM PDT            5.24             31         0              Normal
  07/03/2025 12 PM PDT            5.24             31         0              Normal
  07/03/2025 01 PM PDT            5.24             31         0              Normal
  07/03/2025 02 PM PDT            5.24             31         0              Normal
  07/03/2025 03 PM PDT            5.23             30         -              Normal
  07/03/2025 04 PM PDT            5.23             30         0              Normal
  07/03/2025 05 PM PDT            5.23             30         0              Normal
  07/03/2025 06 PM PDT            5.23             30         0              Normal
  07/03/2025 07 PM PDT            5.23             30         0              Normal
  07/03/2025 08 PM PDT            5.23             30         0              Normal
  07/03/2025 09 PM PDT            5.22             30         -              Normal
  07/03/2025 10 PM PDT            5.22             30         0              Normal
  07/03/2025 11 PM PDT            5.22             30         0              Normal
  07/04/2025 12 AM PDT            5.22             30         0              Normal
  07/04/2025 01 AM PDT            5.23             30         +              Normal
  07/04/2025 02 AM PDT            5.22             30         -              Normal
  07/04/2025 03 AM PDT            5.22             30         0              Normal
  07/04/2025 04 AM PDT            5.23             30         +              Normal
  07/04/2025 05 AM PDT            5.23             30         0              Normal
  07/04/2025 06 AM PDT            5.23             30         0              Normal
  07/04/2025 07 AM PDT            5.24             31         +              Normal
  07/04/2025 08 AM PDT            5.23             30         -              Normal
  07/04/2025 09 AM PDT            5.23             30         0              Normal
  07/04/2025 10 AM PDT            5.23             30         0              Normal
  07/04/2025 11 AM PDT            5.24             31         +              Normal
  07/04/2025 12 PM PDT            5.24             31         0              Normal
  07/04/2025 01 PM PDT            5.24             31         0              Normal
  07/04/2025 02 PM PDT            5.24             31         0              Normal
  07/04/2025 03 PM PDT            5.23             30         -              Normal
  07/04/2025 04 PM PDT            5.22             30         -              Normal
  07/04/2025 05 PM PDT            5.23             30         +              Normal
  07/04/2025 06 PM PDT            5.23             30         0              Normal
  07/04/2025 07 PM PDT            5.23             30         0              Normal
  07/04/2025 08 PM PDT            5.22             30         -              Normal
  07/04/2025 09 PM PDT            5.22             30         0              Normal
  07/04/2025 10 PM PDT            5.21             29         -              Normal
  07/04/2025 11 PM PDT            5.22             30         +              Normal
  07/05/2025 12 AM PDT            5.21             29         -              Normal
  07/05/2025 01 AM PDT            5.21             29         0              Normal
  07/05/2025 02 AM PDT            5.21             29         0              Normal
  07/05/2025 03 AM PDT            5.21             29         0              Normal
  07/05/2025 04 AM PDT            5.22             30         +              Normal
  07/05/2025 05 AM PDT            5.23             30         +              Normal
  07/05/2025 06 AM PDT            5.22             30         -              Normal
  07/05/2025 07 AM PDT            5.22             30         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  07/05/2025 08 AM PDT            5.22             30                        Normal
  07/05/2025 09 AM PDT            5.22             30         0              Normal
  07/05/2025 10 AM PDT            5.22             30         0              Normal
  07/05/2025 11 AM PDT            5.22             30         0              Normal
  07/05/2025 12 PM PDT            5.22             30         0              Normal
  07/05/2025 01 PM PDT            5.22             30         0              Normal
  07/05/2025 02 PM PDT            5.22             30         0              Normal
  07/05/2025 03 PM PDT            5.22             30         0              Normal
  07/05/2025 04 PM PDT            5.22             30         0              Normal
  07/05/2025 05 PM PDT            5.22             30         0              Normal
  07/05/2025 06 PM PDT            5.22             30         0              Normal
  07/05/2025 07 PM PDT            5.22             30         0              Normal
  07/05/2025 08 PM PDT            5.22             30         0              Normal
  07/05/2025 09 PM PDT            5.22             30         0              Normal
  07/05/2025 10 PM PDT            5.22             30         0              Normal
  07/05/2025 11 PM PDT            5.22             30         0              Normal
  07/06/2025 12 AM PDT            5.22             30         0              Normal
  07/06/2025 01 AM PDT            5.22             30         0              Normal
  07/06/2025 02 AM PDT            5.22             30         0              Normal
  07/06/2025 03 AM PDT            5.22             30         0              Normal
  07/06/2025 04 AM PDT            5.22             30         0              Normal
  07/06/2025 05 AM PDT            5.22             30         0              Normal
  07/06/2025 06 AM PDT            5.22             30         0              Normal
  07/06/2025 07 AM PDT            5.22             30         0              Normal
  07/06/2025 08 AM PDT            5.22             30         0              Normal
  07/06/2025 09 AM PDT            5.22             30         0              Normal
  07/06/2025 10 AM PDT            5.22             30         0              Normal
  07/06/2025 11 AM PDT            5.22             30         0              Normal
  07/06/2025 12 PM PDT            5.22             30         0              Normal
  07/06/2025 01 PM PDT            5.22             30         0              Normal
  07/06/2025 02 PM PDT            5.22             30         0              Normal
  07/06/2025 03 PM PDT            5.22             30         0              Normal
  07/06/2025 04 PM PDT            5.22             30         0              Normal
  07/06/2025 05 PM PDT            5.22             30         0              Normal
  07/06/2025 06 PM PDT            5.22             30         0              Normal
  07/06/2025 07 PM PDT            5.22             30         0              Normal
  07/06/2025 08 PM PDT            5.22             30         0              Normal
  07/06/2025 09 PM PDT            5.22             30         0              Normal
  07/06/2025 10 PM PDT            5.22             30         0              Normal
  07/06/2025 11 PM PDT            5.22             30         0              Normal
  07/07/2025 12 AM PDT            5.22             30         0              Normal
  07/07/2025 01 AM PDT            5.22             30         0              Normal
  07/07/2025 02 AM PDT            5.22             30         0              Normal
  07/07/2025 03 AM PDT            5.22             30         0              Normal
  07/07/2025 04 AM PDT            5.22             30         0              Normal
  07/07/2025 05 AM PDT            5.22             30         0              Normal
  07/07/2025 06 AM PDT            5.22             30         0              Normal
  07/07/2025 07 AM PDT            5.22             30         0              Normal
  07/07/2025 08 AM PDT            5.22             30         0              Normal
  07/07/2025 09 AM PDT            5.22             30         0              Normal
  07/07/2025 10 AM PDT            5.22             30         0              Normal
  07/07/2025 11 AM PDT            5.22             30         0              Normal
  07/07/2025 12 PM PDT            5.22             30         0              Normal
  07/07/2025 01 PM PDT            5.22             30         0              Normal
  07/07/2025 02 PM PDT            5.22             30         0              Normal
  07/07/2025 03 PM PDT            5.22             30         0              Normal
  07/07/2025 04 PM PDT            5.22             30         0              Normal
  07/07/2025 05 PM PDT            5.22             30         0              Normal
  07/07/2025 06 PM PDT            5.22             30         0              Normal
  07/07/2025 07 PM PDT            5.22             30         0              Normal
  07/07/2025 08 PM PDT            5.22             30         0              Normal
  07/07/2025 09 PM PDT            5.22             30         0              Normal
  07/07/2025 10 PM PDT            5.22             30         0              Normal
  07/07/2025 11 PM PDT            5.22             30         0              Normal
  07/08/2025 12 AM PDT            5.22             30         0              Normal
  07/08/2025 01 AM PDT            5.22             30         0              Normal
  07/08/2025 02 AM PDT            5.22             30         0              Normal
  07/08/2025 03 AM PDT            5.22             30         0              Normal
  07/08/2025 04 AM PDT            5.22             30         0              Normal
  07/08/2025 05 AM PDT            5.22             30         0              Normal
  07/08/2025 06 AM PDT            5.22             30         0              Normal
  07/08/2025 07 AM PDT            5.22             30         0              Normal
  07/08/2025 08 AM PDT            5.22             30         0              Normal
  07/08/2025 09 AM PDT            5.22             30         0              Normal
  07/08/2025 10 AM PDT            5.22             30         0              Normal
  07/08/2025 11 AM PDT            5.22             30         0              Normal
  07/08/2025 12 PM PDT            5.22             30         0              Normal
  07/08/2025 01 PM PDT            5.22             30         0              Normal
  07/08/2025 02 PM PDT            5.22             30         0              Normal
  07/08/2025 03 PM PDT            5.22             30         0              Normal
  07/08/2025 04 PM PDT            5.22             30         0              Normal
  07/08/2025 05 PM PDT            5.22             30         0              Normal
  07/08/2025 06 PM PDT            5.22             30         0              Normal
  07/08/2025 07 PM PDT            5.22             30         0              Normal
  07/08/2025 08 PM PDT            5.22             30         0              Normal
  07/08/2025 09 PM PDT            5.22             30         0              Normal
  07/08/2025 10 PM PDT            5.22             30         0              Normal
  07/08/2025 11 PM PDT            5.22             30         0              Normal
  07/09/2025 12 AM PDT            5.22             30         0              Normal
  07/09/2025 01 AM PDT            5.22             30         0              Normal
  07/09/2025 02 AM PDT            5.22             30         0              Normal
  07/09/2025 03 AM PDT            5.22             30         0              Normal
  07/09/2025 04 AM PDT            5.21             29         -              Normal
  07/09/2025 05 AM PDT            5.21             29         0              Normal
  07/09/2025 06 AM PDT            5.21             29         0              Normal
  07/09/2025 07 AM PDT            5.21             29         0              Normal
  07/09/2025 08 AM PDT            5.21             29         0              Normal
  07/09/2025 09 AM PDT            5.21             29         0              Normal
  07/09/2025 10 AM PDT            5.21             29         0              Normal
  07/09/2025 11 AM PDT            5.21             29         0              Normal
  07/09/2025 12 PM PDT            5.21             29         0              Normal
  07/09/2025 01 PM PDT            5.21             29         0              Normal
  07/09/2025 02 PM PDT            5.21             29         0              Normal
  07/09/2025 03 PM PDT            5.21             29         0              Normal
  07/09/2025 04 PM PDT            5.21             29         0              Normal
  07/09/2025 05 PM PDT            5.21             29         0              Normal
  07/09/2025 06 PM PDT            5.21             29         0              Normal
  07/09/2025 07 PM PDT            5.21             29         0              Normal
  07/09/2025 08 PM PDT            5.21             29         0              Normal
  07/09/2025 09 PM PDT            5.21             29         0              Normal
  07/09/2025 10 PM PDT            5.21             29         0              Normal
  07/09/2025 11 PM PDT            5.21             29         0              Normal
  07/10/2025 12 AM PDT            5.21             29         0              Normal
  07/10/2025 01 AM PDT            5.21             29         0              Normal
  07/10/2025 02 AM PDT            5.21             29         0              Normal
  07/10/2025 03 AM PDT            5.21             29         0              Normal
  07/10/2025 04 AM PDT            5.21             29         0              Normal
  07/10/2025 05 AM PDT            5.21             29         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.