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: May 06 2025 at 7:47 AM PDTNext Issuance: May 07 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:  05/06/2025 at 07:48 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/01/2025 at 04:00 PM PDT
# Maximum Observed Stage:                       5.38 Feet
# Maximum Observed Flow:                        46 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/06/2025 at 08:00 AM PDT
# Maximum Forecast Stage:                       5.31 Feet
# Maximum Forecast Flow:                        39 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/01/2025 07 AM PDT            5.36             44                        Normal
  05/01/2025 08 AM PDT            5.36             44         0              Normal
  05/01/2025 09 AM PDT            5.37             45         +              Normal
  05/01/2025 10 AM PDT            5.37             45         0              Normal
  05/01/2025 11 AM PDT            5.37             45         0              Normal
  05/01/2025 12 PM PDT            5.37             45         0              Normal
  05/01/2025 01 PM PDT            5.37             45         0              Normal
  05/01/2025 02 PM PDT            5.37             45         0              Normal
  05/01/2025 03 PM PDT            5.38             46         +              Normal
  05/01/2025 04 PM PDT            5.38             46         0              Normal
  05/01/2025 05 PM PDT            5.37             45         -              Normal
  05/01/2025 06 PM PDT            5.36             44         -              Normal
  05/01/2025 07 PM PDT            5.36             44         0              Normal
  05/01/2025 08 PM PDT            5.35             43         -              Normal
  05/01/2025 09 PM PDT            5.34             42         -              Normal
  05/01/2025 10 PM PDT            5.34             42         0              Normal
  05/01/2025 11 PM PDT            5.33             41         -              Normal
  05/02/2025 12 AM PDT            5.33             41         0              Normal
  05/02/2025 01 AM PDT            5.33             41         0              Normal
  05/02/2025 02 AM PDT            5.33             41         0              Normal
  05/02/2025 03 AM PDT            5.33             41         0              Normal
  05/02/2025 04 AM PDT            5.33             41         0              Normal
  05/02/2025 05 AM PDT            5.33             41         0              Normal
  05/02/2025 06 AM PDT            5.33             41         0              Normal
  05/02/2025 07 AM PDT            5.33             41         0              Normal
  05/02/2025 08 AM PDT            5.33             41         0              Normal
  05/02/2025 09 AM PDT            5.33             41         0              Normal
  05/02/2025 10 AM PDT            5.34             42         +              Normal
  05/02/2025 11 AM PDT            5.33             41         -              Normal
  05/02/2025 12 PM PDT            5.34             42         +              Normal
  05/02/2025 01 PM PDT            5.34             42         0              Normal
  05/02/2025 02 PM PDT            5.34             42         0              Normal
  05/02/2025 03 PM PDT            5.34             42         0              Normal
  05/02/2025 04 PM PDT            5.34             42         0              Normal
  05/02/2025 05 PM PDT            5.34             42         0              Normal
  05/02/2025 06 PM PDT            5.34             42         0              Normal
  05/02/2025 07 PM PDT            5.33             41         -              Normal
  05/02/2025 08 PM PDT            5.33             41         0              Normal
  05/02/2025 09 PM PDT            5.32             40         -              Normal
  05/02/2025 10 PM PDT            5.32             40         0              Normal
  05/02/2025 11 PM PDT            5.32             40         0              Normal
  05/03/2025 12 AM PDT            5.32             40         0              Normal
  05/03/2025 01 AM PDT            5.33             41         +              Normal
  05/03/2025 02 AM PDT            5.33             41         0              Normal
  05/03/2025 03 AM PDT            5.32             40         -              Normal
  05/03/2025 04 AM PDT            5.31             39         -              Normal
  05/03/2025 05 AM PDT            5.31             39         0              Normal
  05/03/2025 06 AM PDT            5.31             39         0              Normal
  05/03/2025 07 AM PDT            5.31             39         0              Normal
  05/03/2025 08 AM PDT            5.32             40         +              Normal
  05/03/2025 09 AM PDT            5.31             39         -              Normal
  05/03/2025 10 AM PDT            5.31             39         0              Normal
  05/03/2025 11 AM PDT            5.32             40         +              Normal
  05/03/2025 12 PM PDT            5.32             40         0              Normal
  05/03/2025 01 PM PDT            5.32             40         0              Normal
  05/03/2025 02 PM PDT            5.33             41         +              Normal
  05/03/2025 03 PM PDT            5.32             40         -              Normal
  05/03/2025 04 PM PDT            5.32             40         0              Normal
  05/03/2025 05 PM PDT            5.32             40         0              Normal
  05/03/2025 06 PM PDT            5.32             40         0              Normal
  05/03/2025 07 PM PDT            5.31             39         -              Normal
  05/03/2025 08 PM PDT            5.31             39         0              Normal
  05/03/2025 09 PM PDT            5.31             39         0              Normal
  05/03/2025 10 PM PDT            5.31             39         0              Normal
  05/03/2025 11 PM PDT            5.30             38         -              Normal
  05/04/2025 12 AM PDT            5.31             39         +              Normal
  05/04/2025 01 AM PDT            5.31             39         0              Normal
  05/04/2025 02 AM PDT            5.31             39         0              Normal
  05/04/2025 03 AM PDT            5.31             39         0              Normal
  05/04/2025 04 AM PDT            5.31             39         0              Normal
  05/04/2025 05 AM PDT            5.31             39         0              Normal
  05/04/2025 06 AM PDT            5.32             40         +              Normal
  05/04/2025 07 AM PDT            5.31             39         -              Normal
  05/04/2025 08 AM PDT            5.31             39         0              Normal
  05/04/2025 09 AM PDT            5.31             39         0              Normal
  05/04/2025 10 AM PDT            5.32             40         +              Normal
  05/04/2025 11 AM PDT            5.32             40         0              Normal
  05/04/2025 12 PM PDT            5.32             40         0              Normal
  05/04/2025 01 PM PDT            5.32             40         0              Normal
  05/04/2025 02 PM PDT            5.32             40         0              Normal
  05/04/2025 03 PM PDT            5.32             40         0              Normal
  05/04/2025 04 PM PDT            5.31             39         -              Normal
  05/04/2025 05 PM PDT            5.32             40         +              Normal
  05/04/2025 06 PM PDT            5.31             39         -              Normal
  05/04/2025 07 PM PDT            5.31             39         0              Normal
  05/04/2025 08 PM PDT            5.31             39         0              Normal
  05/04/2025 09 PM PDT            5.31             39         0              Normal
  05/04/2025 10 PM PDT            5.30             38         -              Normal
  05/04/2025 11 PM PDT            5.30             38         0              Normal
  05/05/2025 12 AM PDT            5.31             39         +              Normal
  05/05/2025 01 AM PDT            5.31             39         0              Normal
  05/05/2025 02 AM PDT            5.31             39         0              Normal
  05/05/2025 03 AM PDT            5.31             39         0              Normal
  05/05/2025 04 AM PDT            5.31             39         0              Normal
  05/05/2025 05 AM PDT            5.31             39         0              Normal
  05/05/2025 06 AM PDT            5.31             39         0              Normal
  05/05/2025 07 AM PDT            5.30             38         -              Normal
  05/05/2025 08 AM PDT            5.31             39         +              Normal
  05/05/2025 09 AM PDT            5.31             39         0              Normal
  05/05/2025 10 AM PDT            5.31             39         0              Normal
  05/05/2025 11 AM PDT            5.31             39         0              Normal
  05/05/2025 12 PM PDT            5.32             40         +              Normal
  05/05/2025 01 PM PDT            5.31             39         -              Normal
  05/05/2025 02 PM PDT            5.30             38         -              Normal
  05/05/2025 03 PM PDT            5.31             39         +              Normal
  05/05/2025 04 PM PDT            5.31             39         0              Normal
  05/05/2025 05 PM PDT            5.30             38         -              Normal
  05/05/2025 06 PM PDT            5.30             38         0              Normal
  05/05/2025 07 PM PDT            5.30             38         0              Normal
  05/05/2025 08 PM PDT            5.30             38         0              Normal
  05/05/2025 09 PM PDT            5.29             37         -              Normal
  05/05/2025 10 PM PDT            5.30             38         +              Normal
  05/05/2025 11 PM PDT            5.30             38         0              Normal
  05/06/2025 12 AM PDT            5.30             38         0              Normal
  05/06/2025 01 AM PDT            5.31             39         +              Normal
  05/06/2025 02 AM PDT            5.32             40         +              Normal
  05/06/2025 03 AM PDT            5.31             39         -              Normal
  05/06/2025 04 AM PDT            5.31             39         0              Normal
  05/06/2025 05 AM PDT            5.32             40         +              Normal
  05/06/2025 06 AM PDT            5.31             39         -              Normal
  05/06/2025 07 AM PDT            5.31             39         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/06/2025 08 AM PDT            5.31             39                        Normal
  05/06/2025 09 AM PDT            5.31             39         0              Normal
  05/06/2025 10 AM PDT            5.31             39         0              Normal
  05/06/2025 11 AM PDT            5.31             39         0              Normal
  05/06/2025 12 PM PDT            5.31             39         0              Normal
  05/06/2025 01 PM PDT            5.31             39         0              Normal
  05/06/2025 02 PM PDT            5.31             39         0              Normal
  05/06/2025 03 PM PDT            5.31             39         0              Normal
  05/06/2025 04 PM PDT            5.31             39         0              Normal
  05/06/2025 05 PM PDT            5.31             39         0              Normal
  05/06/2025 06 PM PDT            5.31             39         0              Normal
  05/06/2025 07 PM PDT            5.31             39         0              Normal
  05/06/2025 08 PM PDT            5.31             39         0              Normal
  05/06/2025 09 PM PDT            5.31             39         0              Normal
  05/06/2025 10 PM PDT            5.31             39         0              Normal
  05/06/2025 11 PM PDT            5.31             39         0              Normal
  05/07/2025 12 AM PDT            5.31             39         0              Normal
  05/07/2025 01 AM PDT            5.30             38         -              Normal
  05/07/2025 02 AM PDT            5.30             38         0              Normal
  05/07/2025 03 AM PDT            5.30             38         0              Normal
  05/07/2025 04 AM PDT            5.30             38         0              Normal
  05/07/2025 05 AM PDT            5.30             38         0              Normal
  05/07/2025 06 AM PDT            5.30             38         0              Normal
  05/07/2025 07 AM PDT            5.30             38         0              Normal
  05/07/2025 08 AM PDT            5.30             38         0              Normal
  05/07/2025 09 AM PDT            5.30             38         0              Normal
  05/07/2025 10 AM PDT            5.30             38         0              Normal
  05/07/2025 11 AM PDT            5.30             38         0              Normal
  05/07/2025 12 PM PDT            5.30             38         0              Normal
  05/07/2025 01 PM PDT            5.30             38         0              Normal
  05/07/2025 02 PM PDT            5.30             38         0              Normal
  05/07/2025 03 PM PDT            5.30             38         0              Normal
  05/07/2025 04 PM PDT            5.30             38         0              Normal
  05/07/2025 05 PM PDT            5.30             38         0              Normal
  05/07/2025 06 PM PDT            5.30             38         0              Normal
  05/07/2025 07 PM PDT            5.30             38         0              Normal
  05/07/2025 08 PM PDT            5.30             38         0              Normal
  05/07/2025 09 PM PDT            5.30             38         0              Normal
  05/07/2025 10 PM PDT            5.30             38         0              Normal
  05/07/2025 11 PM PDT            5.30             38         0              Normal
  05/08/2025 12 AM PDT            5.30             38         0              Normal
  05/08/2025 01 AM PDT            5.30             38         0              Normal
  05/08/2025 02 AM PDT            5.30             38         0              Normal
  05/08/2025 03 AM PDT            5.30             38         0              Normal
  05/08/2025 04 AM PDT            5.30             38         0              Normal
  05/08/2025 05 AM PDT            5.30             38         0              Normal
  05/08/2025 06 AM PDT            5.30             38         0              Normal
  05/08/2025 07 AM PDT            5.30             38         0              Normal
  05/08/2025 08 AM PDT            5.30             38         0              Normal
  05/08/2025 09 AM PDT            5.30             38         0              Normal
  05/08/2025 10 AM PDT            5.30             38         0              Normal
  05/08/2025 11 AM PDT            5.30             38         0              Normal
  05/08/2025 12 PM PDT            5.30             38         0              Normal
  05/08/2025 01 PM PDT            5.30             38         0              Normal
  05/08/2025 02 PM PDT            5.30             38         0              Normal
  05/08/2025 03 PM PDT            5.30             38         0              Normal
  05/08/2025 04 PM PDT            5.30             38         0              Normal
  05/08/2025 05 PM PDT            5.30             38         0              Normal
  05/08/2025 06 PM PDT            5.30             38         0              Normal
  05/08/2025 07 PM PDT            5.30             38         0              Normal
  05/08/2025 08 PM PDT            5.30             38         0              Normal
  05/08/2025 09 PM PDT            5.30             38         0              Normal
  05/08/2025 10 PM PDT            5.30             38         0              Normal
  05/08/2025 11 PM PDT            5.30             38         0              Normal
  05/09/2025 12 AM PDT            5.30             38         0              Normal
  05/09/2025 01 AM PDT            5.30             38         0              Normal
  05/09/2025 02 AM PDT            5.30             38         0              Normal
  05/09/2025 03 AM PDT            5.30             38         0              Normal
  05/09/2025 04 AM PDT            5.30             38         0              Normal
  05/09/2025 05 AM PDT            5.30             38         0              Normal
  05/09/2025 06 AM PDT            5.30             38         0              Normal
  05/09/2025 07 AM PDT            5.30             38         0              Normal
  05/09/2025 08 AM PDT            5.30             38         0              Normal
  05/09/2025 09 AM PDT            5.29             37         -              Normal
  05/09/2025 10 AM PDT            5.29             37         0              Normal
  05/09/2025 11 AM PDT            5.29             37         0              Normal
  05/09/2025 12 PM PDT            5.29             37         0              Normal
  05/09/2025 01 PM PDT            5.29             37         0              Normal
  05/09/2025 02 PM PDT            5.29             37         0              Normal
  05/09/2025 03 PM PDT            5.29             37         0              Normal
  05/09/2025 04 PM PDT            5.29             37         0              Normal
  05/09/2025 05 PM PDT            5.29             37         0              Normal
  05/09/2025 06 PM PDT            5.29             37         0              Normal
  05/09/2025 07 PM PDT            5.29             37         0              Normal
  05/09/2025 08 PM PDT            5.29             37         0              Normal
  05/09/2025 09 PM PDT            5.29             37         0              Normal
  05/09/2025 10 PM PDT            5.29             37         0              Normal
  05/09/2025 11 PM PDT            5.29             37         0              Normal
  05/10/2025 12 AM PDT            5.29             37         0              Normal
  05/10/2025 01 AM PDT            5.29             37         0              Normal
  05/10/2025 02 AM PDT            5.29             37         0              Normal
  05/10/2025 03 AM PDT            5.29             37         0              Normal
  05/10/2025 04 AM PDT            5.29             37         0              Normal
  05/10/2025 05 AM PDT            5.29             37         0              Normal
  05/10/2025 06 AM PDT            5.29             37         0              Normal
  05/10/2025 07 AM PDT            5.29             37         0              Normal
  05/10/2025 08 AM PDT            5.29             37         0              Normal
  05/10/2025 09 AM PDT            5.29             37         0              Normal
  05/10/2025 10 AM PDT            5.29             37         0              Normal
  05/10/2025 11 AM PDT            5.29             37         0              Normal
  05/10/2025 12 PM PDT            5.29             37         0              Normal
  05/10/2025 01 PM PDT            5.29             37         0              Normal
  05/10/2025 02 PM PDT            5.29             37         0              Normal
  05/10/2025 03 PM PDT            5.29             37         0              Normal
  05/10/2025 04 PM PDT            5.29             37         0              Normal
  05/10/2025 05 PM PDT            5.29             37         0              Normal
  05/10/2025 06 PM PDT            5.29             37         0              Normal
  05/10/2025 07 PM PDT            5.29             37         0              Normal
  05/10/2025 08 PM PDT            5.29             37         0              Normal
  05/10/2025 09 PM PDT            5.29             37         0              Normal
  05/10/2025 10 PM PDT            5.29             37         0              Normal
  05/10/2025 11 PM PDT            5.29             37         0              Normal
  05/11/2025 12 AM PDT            5.29             37         0              Normal
  05/11/2025 01 AM PDT            5.29             37         0              Normal
  05/11/2025 02 AM PDT            5.29             37         0              Normal
  05/11/2025 03 AM PDT            5.29             37         0              Normal
  05/11/2025 04 AM PDT            5.29             37         0              Normal
  05/11/2025 05 AM PDT            5.29             37         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.