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 ALMADEN EXPRESSWAY (GUDC1)
Latitude: 37.28º NLongitude: 121.88º WElevation: 150 FeetForecast Type: Official Location
Location: Santa Clara County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: Jun 05 2026 at 7:47 AM PDTNext Issuance: Jun 06 2026 at 9:00 AM PDT
Action/Monitor: 9.0 FeetMinor Flood: 10.5 FeetModerate Flood: 11.5 FeetMajor Flood: 15.0 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Guadalupe River - San Jose at Almaden Exprwy (GUDC1)
#
# File Generation Time:  06/05/2026 at 07:47 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/05/2026 at 07:00 AM PDT
# Maximum Observed Stage:                       1.43 Feet
# Maximum Observed Flow:                        10 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/05/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       1.43 Feet
# Maximum Forecast Flow:                        10 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/31/2026 07 AM PDT            1.33              7                        Normal
  05/31/2026 08 AM PDT            1.33              7         0              Normal
  05/31/2026 09 AM PDT            1.33              7         0              Normal
  05/31/2026 10 AM PDT            1.33              7         0              Normal
  05/31/2026 11 AM PDT            1.33              7         0              Normal
  05/31/2026 12 PM PDT            1.33              7         0              Normal
  05/31/2026 01 PM PDT            1.33              7         0              Normal
  05/31/2026 02 PM PDT            1.32              6         -              Normal
  05/31/2026 03 PM PDT            1.32              6         0              Normal
  05/31/2026 04 PM PDT            1.32              6         0              Normal
  05/31/2026 05 PM PDT            1.32              6         0              Normal
  05/31/2026 06 PM PDT            1.32              6         0              Normal
  05/31/2026 07 PM PDT            1.32              6         0              Normal
  05/31/2026 08 PM PDT            1.32              6         0              Normal
  05/31/2026 09 PM PDT            1.32              6         0              Normal
  05/31/2026 10 PM PDT            1.32              6         0              Normal
  05/31/2026 11 PM PDT            1.32              6         0              Normal
  06/01/2026 12 AM PDT            1.32              6         0              Normal
  06/01/2026 01 AM PDT            1.32              6         0              Normal
  06/01/2026 02 AM PDT            1.32              6         0              Normal
  06/01/2026 03 AM PDT            1.32              6         0              Normal
  06/01/2026 04 AM PDT            1.32              6         0              Normal
  06/01/2026 05 AM PDT            1.32              6         0              Normal
  06/01/2026 06 AM PDT            1.32              6         0              Normal
  06/01/2026 07 AM PDT            1.32              6         0              Normal
  06/01/2026 08 AM PDT            1.32              6         0              Normal
  06/01/2026 09 AM PDT            1.32              6         0              Normal
  06/01/2026 10 AM PDT            1.32              6         0              Normal
  06/01/2026 11 AM PDT            1.31              6         -              Normal
  06/01/2026 12 PM PDT            1.31              6         0              Normal
  06/01/2026 01 PM PDT            1.31              6         0              Normal
  06/01/2026 02 PM PDT            1.31              6         0              Normal
  06/01/2026 03 PM PDT            1.31              6         0              Normal
  06/01/2026 04 PM PDT            1.31              6         0              Normal
  06/01/2026 05 PM PDT            1.31              6         0              Normal
  06/01/2026 06 PM PDT            1.31              6         0              Normal
  06/01/2026 07 PM PDT            1.31              6         0              Normal
  06/01/2026 08 PM PDT            1.31              6         0              Normal
  06/01/2026 09 PM PDT            1.31              6         0              Normal
  06/01/2026 10 PM PDT            1.32              6         +              Normal
  06/01/2026 11 PM PDT            1.32              6         0              Normal
  06/02/2026 12 AM PDT            1.32              6         0              Normal
  06/02/2026 01 AM PDT            1.32              6         0              Normal
  06/02/2026 02 AM PDT            1.32              6         0              Normal
  06/02/2026 03 AM PDT            1.32              6         0              Normal
  06/02/2026 04 AM PDT            1.33              7         +              Normal
  06/02/2026 05 AM PDT            1.33              7         0              Normal
  06/02/2026 06 AM PDT            1.33              7         0              Normal
  06/02/2026 07 AM PDT            1.33              7         0              Normal
  06/02/2026 08 AM PDT            1.33              7         0              Normal
  06/02/2026 09 AM PDT            1.33              7         0              Normal
  06/02/2026 10 AM PDT            1.34              7         +              Normal
  06/02/2026 11 AM PDT            1.34              7         0              Normal
  06/02/2026 12 PM PDT            1.33              7         -              Normal
  06/02/2026 01 PM PDT            1.33              7         0              Normal
  06/02/2026 02 PM PDT            1.33              7         0              Normal
  06/02/2026 03 PM PDT            1.33              7         0              Normal
  06/02/2026 04 PM PDT            1.33              7         0              Normal
  06/02/2026 05 PM PDT            1.33              7         0              Normal
  06/02/2026 06 PM PDT            1.33              7         0              Normal
  06/02/2026 07 PM PDT            1.33              7         0              Normal
  06/02/2026 08 PM PDT            1.33              7         0              Normal
  06/02/2026 09 PM PDT            1.33              7         0              Normal
  06/02/2026 10 PM PDT            1.33              7         0              Normal
  06/02/2026 11 PM PDT            1.33              7         0              Normal
  06/03/2026 12 AM PDT            1.33              7         0              Normal
  06/03/2026 01 AM PDT            1.33              7         0              Normal
  06/03/2026 02 AM PDT            1.33              7         0              Normal
  06/03/2026 03 AM PDT            1.33              7         0              Normal
  06/03/2026 04 AM PDT            1.33              7         0              Normal
  06/03/2026 05 AM PDT            1.33              7         0              Normal
  06/03/2026 06 AM PDT            1.33              7         0              Normal
  06/03/2026 07 AM PDT            1.33              7         0              Normal
  06/03/2026 08 AM PDT            1.33              7         0              Normal
  06/03/2026 09 AM PDT            1.33              7         0              Normal
  06/03/2026 10 AM PDT            1.33              7         0              Normal
  06/03/2026 11 AM PDT            1.33              7         0              Normal
  06/03/2026 12 PM PDT            1.33              7         0              Normal
  06/03/2026 01 PM PDT            1.32              6         -              Normal
  06/03/2026 02 PM PDT            1.32              6         0              Normal
  06/03/2026 03 PM PDT            1.32              6         0              Normal
  06/03/2026 04 PM PDT            1.32              6         0              Normal
  06/03/2026 05 PM PDT            1.32              6         0              Normal
  06/03/2026 06 PM PDT            1.32              6         0              Normal
  06/03/2026 07 PM PDT            1.32              6         0              Normal
  06/03/2026 08 PM PDT            1.32              6         0              Normal
  06/03/2026 09 PM PDT            1.32              6         0              Normal
  06/03/2026 10 PM PDT            1.33              7         +              Normal
  06/03/2026 11 PM PDT            1.33              7         0              Normal
  06/04/2026 12 AM PDT            1.33              7         0              Normal
  06/04/2026 01 AM PDT            1.33              7         0              Normal
  06/04/2026 02 AM PDT            1.33              7         0              Normal
  06/04/2026 03 AM PDT            1.34              7         +              Normal
  06/04/2026 04 AM PDT            1.35              7         +              Normal
  06/04/2026 05 AM PDT            1.35              7         0              Normal
  06/04/2026 06 AM PDT            1.35              7         0              Normal
  06/04/2026 07 AM PDT            1.35              7         0              Normal
  06/04/2026 08 AM PDT            1.36              8         +              Normal
  06/04/2026 09 AM PDT            1.36              8         0              Normal
  06/04/2026 10 AM PDT            1.36              8         0              Normal
  06/04/2026 11 AM PDT            1.36              8         0              Normal
  06/04/2026 12 PM PDT            1.36              8         0              Normal
  06/04/2026 01 PM PDT            1.36              8         0              Normal
  06/04/2026 02 PM PDT            1.35              7         -              Normal
  06/04/2026 03 PM PDT            1.35              7         0              Normal
  06/04/2026 04 PM PDT            1.35              7         0              Normal
  06/04/2026 05 PM PDT            1.35              7         0              Normal
  06/04/2026 06 PM PDT            1.35              7         0              Normal
  06/04/2026 07 PM PDT            1.35              7         0              Normal
  06/04/2026 08 PM PDT            1.35              7         0              Normal
  06/04/2026 09 PM PDT            1.35              7         0              Normal
  06/04/2026 10 PM PDT            1.36              8         +              Normal
  06/04/2026 11 PM PDT            1.36              8         0              Normal
  06/05/2026 12 AM PDT            1.36              8         0              Normal
  06/05/2026 01 AM PDT            1.37              8         +              Normal
  06/05/2026 02 AM PDT            1.38              8         +              Normal
  06/05/2026 03 AM PDT            1.39              9         +              Normal
  06/05/2026 04 AM PDT            1.41              9         +              Normal
  06/05/2026 05 AM PDT            1.43             10         +              Normal
  06/05/2026 06 AM PDT            1.43             10         0              Normal
  06/05/2026 07 AM PDT            1.43             10         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/05/2026 08 AM PDT            1.43             10                        Normal
  06/05/2026 09 AM PDT            1.43             10         0              Normal
  06/05/2026 10 AM PDT            1.43             10         0              Normal
  06/05/2026 11 AM PDT            1.43             10         0              Normal
  06/05/2026 12 PM PDT            1.43             10         0              Normal
  06/05/2026 01 PM PDT            1.43             10         0              Normal
  06/05/2026 02 PM PDT            1.43             10         0              Normal
  06/05/2026 03 PM PDT            1.43             10         0              Normal
  06/05/2026 04 PM PDT            1.43             10         0              Normal
  06/05/2026 05 PM PDT            1.43             10         0              Normal
  06/05/2026 06 PM PDT            1.43             10         0              Normal
  06/05/2026 07 PM PDT            1.43             10         0              Normal
  06/05/2026 08 PM PDT            1.42             10         -              Normal
  06/05/2026 09 PM PDT            1.42             10         0              Normal
  06/05/2026 10 PM PDT            1.42             10         0              Normal
  06/05/2026 11 PM PDT            1.42             10         0              Normal
  06/06/2026 12 AM PDT            1.42             10         0              Normal
  06/06/2026 01 AM PDT            1.42             10         0              Normal
  06/06/2026 02 AM PDT            1.42             10         0              Normal
  06/06/2026 03 AM PDT            1.42             10         0              Normal
  06/06/2026 04 AM PDT            1.42             10         0              Normal
  06/06/2026 05 AM PDT            1.42             10         0              Normal
  06/06/2026 06 AM PDT            1.42             10         0              Normal
  06/06/2026 07 AM PDT            1.42             10         0              Normal
  06/06/2026 08 AM PDT            1.42             10         0              Normal
  06/06/2026 09 AM PDT            1.42             10         0              Normal
  06/06/2026 10 AM PDT            1.42             10         0              Normal
  06/06/2026 11 AM PDT            1.42             10         0              Normal
  06/06/2026 12 PM PDT            1.42             10         0              Normal
  06/06/2026 01 PM PDT            1.42             10         0              Normal
  06/06/2026 02 PM PDT            1.42             10         0              Normal
  06/06/2026 03 PM PDT            1.42             10         0              Normal
  06/06/2026 04 PM PDT            1.42             10         0              Normal
  06/06/2026 05 PM PDT            1.42             10         0              Normal
  06/06/2026 06 PM PDT            1.42             10         0              Normal
  06/06/2026 07 PM PDT            1.42             10         0              Normal
  06/06/2026 08 PM PDT            1.42             10         0              Normal
  06/06/2026 09 PM PDT            1.42             10         0              Normal
  06/06/2026 10 PM PDT            1.42             10         0              Normal
  06/06/2026 11 PM PDT            1.42             10         0              Normal
  06/07/2026 12 AM PDT            1.42             10         0              Normal
  06/07/2026 01 AM PDT            1.42             10         0              Normal
  06/07/2026 02 AM PDT            1.41              9         -              Normal
  06/07/2026 03 AM PDT            1.41              9         0              Normal
  06/07/2026 04 AM PDT            1.41              9         0              Normal
  06/07/2026 05 AM PDT            1.41              9         0              Normal
  06/07/2026 06 AM PDT            1.41              9         0              Normal
  06/07/2026 07 AM PDT            1.41              9         0              Normal
  06/07/2026 08 AM PDT            1.41              9         0              Normal
  06/07/2026 09 AM PDT            1.41              9         0              Normal
  06/07/2026 10 AM PDT            1.41              9         0              Normal
  06/07/2026 11 AM PDT            1.41              9         0              Normal
  06/07/2026 12 PM PDT            1.41              9         0              Normal
  06/07/2026 01 PM PDT            1.41              9         0              Normal
  06/07/2026 02 PM PDT            1.41              9         0              Normal
  06/07/2026 03 PM PDT            1.41              9         0              Normal
  06/07/2026 04 PM PDT            1.41              9         0              Normal
  06/07/2026 05 PM PDT            1.41              9         0              Normal
  06/07/2026 06 PM PDT            1.41              9         0              Normal
  06/07/2026 07 PM PDT            1.41              9         0              Normal
  06/07/2026 08 PM PDT            1.41              9         0              Normal
  06/07/2026 09 PM PDT            1.41              9         0              Normal
  06/07/2026 10 PM PDT            1.41              9         0              Normal
  06/07/2026 11 PM PDT            1.41              9         0              Normal
  06/08/2026 12 AM PDT            1.41              9         0              Normal
  06/08/2026 01 AM PDT            1.41              9         0              Normal
  06/08/2026 02 AM PDT            1.41              9         0              Normal
  06/08/2026 03 AM PDT            1.41              9         0              Normal
  06/08/2026 04 AM PDT            1.41              9         0              Normal
  06/08/2026 05 AM PDT            1.41              9         0              Normal
  06/08/2026 06 AM PDT            1.41              9         0              Normal
  06/08/2026 07 AM PDT            1.40              9         -              Normal
  06/08/2026 08 AM PDT            1.40              9         0              Normal
  06/08/2026 09 AM PDT            1.40              9         0              Normal
  06/08/2026 10 AM PDT            1.40              9         0              Normal
  06/08/2026 11 AM PDT            1.40              9         0              Normal
  06/08/2026 12 PM PDT            1.40              9         0              Normal
  06/08/2026 01 PM PDT            1.40              9         0              Normal
  06/08/2026 02 PM PDT            1.40              9         0              Normal
  06/08/2026 03 PM PDT            1.40              9         0              Normal
  06/08/2026 04 PM PDT            1.40              9         0              Normal
  06/08/2026 05 PM PDT            1.40              9         0              Normal
  06/08/2026 06 PM PDT            1.40              9         0              Normal
  06/08/2026 07 PM PDT            1.40              9         0              Normal
  06/08/2026 08 PM PDT            1.40              9         0              Normal
  06/08/2026 09 PM PDT            1.40              9         0              Normal
  06/08/2026 10 PM PDT            1.40              9         0              Normal
  06/08/2026 11 PM PDT            1.40              9         0              Normal
  06/09/2026 12 AM PDT            1.40              9         0              Normal
  06/09/2026 01 AM PDT            1.40              9         0              Normal
  06/09/2026 02 AM PDT            1.40              9         0              Normal
  06/09/2026 03 AM PDT            1.40              9         0              Normal
  06/09/2026 04 AM PDT            1.40              9         0              Normal
  06/09/2026 05 AM PDT            1.40              9         0              Normal
  06/09/2026 06 AM PDT            1.40              9         0              Normal
  06/09/2026 07 AM PDT            1.40              9         0              Normal
  06/09/2026 08 AM PDT            1.40              9         0              Normal
  06/09/2026 09 AM PDT            1.40              9         0              Normal
  06/09/2026 10 AM PDT            1.40              9         0              Normal
  06/09/2026 11 AM PDT            1.39              9         -              Normal
  06/09/2026 12 PM PDT            1.39              9         0              Normal
  06/09/2026 01 PM PDT            1.39              9         0              Normal
  06/09/2026 02 PM PDT            1.39              9         0              Normal
  06/09/2026 03 PM PDT            1.39              9         0              Normal
  06/09/2026 04 PM PDT            1.39              9         0              Normal
  06/09/2026 05 PM PDT            1.39              9         0              Normal
  06/09/2026 06 PM PDT            1.39              9         0              Normal
  06/09/2026 07 PM PDT            1.39              9         0              Normal
  06/09/2026 08 PM PDT            1.39              9         0              Normal
  06/09/2026 09 PM PDT            1.39              9         0              Normal
  06/09/2026 10 PM PDT            1.39              9         0              Normal
  06/09/2026 11 PM PDT            1.39              9         0              Normal
  06/10/2026 12 AM PDT            1.39              9         0              Normal
  06/10/2026 01 AM PDT            1.39              9         0              Normal
  06/10/2026 02 AM PDT            1.39              9         0              Normal
  06/10/2026 03 AM PDT            1.39              9         0              Normal
  06/10/2026 04 AM PDT            1.39              9         0              Normal
  06/10/2026 05 AM PDT            1.39              9         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.