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 19 2026 at 7:07 AM PDTNext Issuance: Jun 20 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:  06/19/2026 at 07:07 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/19/2026 at 06:00 AM PDT
# Maximum Observed Stage:                       2.00 Feet
# Maximum Observed Flow:                        12 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/19/2026 at 07:00 AM PDT
# Maximum Forecast Stage:                       2.00 Feet
# Maximum Forecast Flow:                        12 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/14/2026 07 AM PDT            1.97             11                        Normal
  06/14/2026 08 AM PDT            1.98             11         +              Normal
  06/14/2026 09 AM PDT            1.98             11         0              Normal
  06/14/2026 10 AM PDT            1.98             11         0              Normal
  06/14/2026 11 AM PDT            1.98             11         0              Normal
  06/14/2026 12 PM PDT            1.97             11         -              Normal
  06/14/2026 01 PM PDT            1.97             11         0              Normal
  06/14/2026 02 PM PDT            1.96             10         -              Normal
  06/14/2026 03 PM PDT            1.96             10         0              Normal
  06/14/2026 04 PM PDT            1.96             10         0              Normal
  06/14/2026 05 PM PDT            1.96             10         0              Normal
  06/14/2026 06 PM PDT            1.95             10         -              Normal
  06/14/2026 07 PM PDT            1.95             10         0              Normal
  06/14/2026 08 PM PDT            1.95             10         0              Normal
  06/14/2026 09 PM PDT            1.95             10         0              Normal
  06/14/2026 10 PM PDT            1.96             10         +              Normal
  06/14/2026 11 PM PDT            1.96             10         0              Normal
  06/15/2026 12 AM PDT            1.96             10         0              Normal
  06/15/2026 01 AM PDT            1.96             10         0              Normal
  06/15/2026 02 AM PDT            1.96             10         0              Normal
  06/15/2026 03 AM PDT            1.96             10         0              Normal
  06/15/2026 04 AM PDT            1.96             10         0              Normal
  06/15/2026 05 AM PDT            1.97             11         +              Normal
  06/15/2026 06 AM PDT            1.97             11         0              Normal
  06/15/2026 07 AM PDT            1.97             11         0              Normal
  06/15/2026 08 AM PDT            1.97             11         0              Normal
  06/15/2026 09 AM PDT            1.97             11         0              Normal
  06/15/2026 10 AM PDT            1.97             11         0              Normal
  06/15/2026 11 AM PDT            1.97             11         0              Normal
  06/15/2026 12 PM PDT            1.96             10         -              Normal
  06/15/2026 01 PM PDT            1.96             10         0              Normal
  06/15/2026 02 PM PDT            1.96             10         0              Normal
  06/15/2026 03 PM PDT            1.95             10         -              Normal
  06/15/2026 04 PM PDT            1.95             10         0              Normal
  06/15/2026 05 PM PDT            1.95             10         0              Normal
  06/15/2026 06 PM PDT            1.95             10         0              Normal
  06/15/2026 07 PM PDT            1.94             10         -              Normal
  06/15/2026 08 PM PDT            1.94             10         0              Normal
  06/15/2026 09 PM PDT            1.95             10         +              Normal
  06/15/2026 10 PM PDT            1.95             10         0              Normal
  06/15/2026 11 PM PDT            1.96             10         +              Normal
  06/16/2026 12 AM PDT            1.96             10         0              Normal
  06/16/2026 01 AM PDT            1.96             10         0              Normal
  06/16/2026 02 AM PDT            1.96             10         0              Normal
  06/16/2026 03 AM PDT            1.96             10         0              Normal
  06/16/2026 04 AM PDT            1.97             11         +              Normal
  06/16/2026 05 AM PDT            1.97             11         0              Normal
  06/16/2026 06 AM PDT            1.97             11         0              Normal
  06/16/2026 07 AM PDT            1.97             11         0              Normal
  06/16/2026 08 AM PDT            1.97             11         0              Normal
  06/16/2026 09 AM PDT            1.97             11         0              Normal
  06/16/2026 10 AM PDT            1.97             11         0              Normal
  06/16/2026 11 AM PDT            1.97             11         0              Normal
  06/16/2026 12 PM PDT            1.97             11         0              Normal
  06/16/2026 01 PM PDT            1.96             10         -              Normal
  06/16/2026 02 PM PDT            1.96             10         0              Normal
  06/16/2026 03 PM PDT            1.96             10         0              Normal
  06/16/2026 04 PM PDT            1.95             10         -              Normal
  06/16/2026 05 PM PDT            1.95             10         0              Normal
  06/16/2026 06 PM PDT            1.95             10         0              Normal
  06/16/2026 07 PM PDT            1.95             10         0              Normal
  06/16/2026 08 PM PDT            1.95             10         0              Normal
  06/16/2026 09 PM PDT            1.95             10         0              Normal
  06/16/2026 10 PM PDT            1.96             10         +              Normal
  06/16/2026 11 PM PDT            1.96             10         0              Normal
  06/17/2026 12 AM PDT            1.96             10         0              Normal
  06/17/2026 01 AM PDT            1.96             10         0              Normal
  06/17/2026 02 AM PDT            1.97             11         +              Normal
  06/17/2026 03 AM PDT            1.97             11         0              Normal
  06/17/2026 04 AM PDT            1.97             11         0              Normal
  06/17/2026 05 AM PDT            1.97             11         0              Normal
  06/17/2026 06 AM PDT            1.97             11         0              Normal
  06/17/2026 07 AM PDT            1.98             11         +              Normal
  06/17/2026 08 AM PDT            1.98             11         0              Normal
  06/17/2026 09 AM PDT            1.98             11         0              Normal
  06/17/2026 10 AM PDT            1.98             11         0              Normal
  06/17/2026 11 AM PDT            1.98             11         0              Normal
  06/17/2026 12 PM PDT            1.98             11         0              Normal
  06/17/2026 01 PM PDT            1.98             11         0              Normal
  06/17/2026 02 PM PDT            1.97             11         -              Normal
  06/17/2026 03 PM PDT            1.97             11         0              Normal
  06/17/2026 04 PM PDT            1.97             11         0              Normal
  06/17/2026 05 PM PDT            1.97             11         0              Normal
  06/17/2026 06 PM PDT            1.97             11         0              Normal
  06/17/2026 07 PM PDT            1.96             10         -              Normal
  06/17/2026 08 PM PDT            1.97             11         +              Normal
  06/17/2026 09 PM PDT            1.96             10         -              Normal
  06/17/2026 10 PM PDT            1.97             11         +              Normal
  06/17/2026 11 PM PDT            1.97             11         0              Normal
  06/18/2026 12 AM PDT            1.98             11         +              Normal
  06/18/2026 01 AM PDT            1.98             11         0              Normal
  06/18/2026 02 AM PDT            1.98             11         0              Normal
  06/18/2026 03 AM PDT            1.99             12         +              Normal
  06/18/2026 04 AM PDT            1.99             12         0              Normal
  06/18/2026 05 AM PDT            1.99             12         0              Normal
  06/18/2026 06 AM PDT            2.00             12         +              Normal
  06/18/2026 07 AM PDT            2.00             12         0              Normal
  06/18/2026 08 AM PDT            2.00             12         0              Normal
  06/18/2026 09 AM PDT            2.00             12         0              Normal
  06/18/2026 10 AM PDT            2.00             12         0              Normal
  06/18/2026 11 AM PDT            2.00             12         0              Normal
  06/18/2026 12 PM PDT            2.00             12         0              Normal
  06/18/2026 01 PM PDT            1.99             12         -              Normal
  06/18/2026 02 PM PDT            1.99             12         0              Normal
  06/18/2026 03 PM PDT            1.99             12         0              Normal
  06/18/2026 04 PM PDT            1.98             11         -              Normal
  06/18/2026 05 PM PDT            1.98             11         0              Normal
  06/18/2026 06 PM PDT            1.98             11         0              Normal
  06/18/2026 07 PM PDT            1.98             11         0              Normal
  06/18/2026 08 PM PDT            1.98             11         0              Normal
  06/18/2026 09 PM PDT            1.98             11         0              Normal
  06/18/2026 10 PM PDT            1.99             12         +              Normal
  06/18/2026 11 PM PDT            2.00             12         +              Normal
  06/19/2026 12 AM PDT            1.99             12         -              Normal
  06/19/2026 01 AM PDT            1.99             12         0              Normal
  06/19/2026 02 AM PDT            1.99             12         0              Normal
  06/19/2026 03 AM PDT            1.99             12         0              Normal
  06/19/2026 04 AM PDT            1.99             12         0              Normal
  06/19/2026 05 AM PDT            1.99             12         0              Normal
  06/19/2026 06 AM PDT            2.00             12         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/19/2026 07 AM PDT            2.00             12                        Normal
  06/19/2026 08 AM PDT            2.00             12         0              Normal
  06/19/2026 09 AM PDT            2.00             12         0              Normal
  06/19/2026 10 AM PDT            2.00             12         0              Normal
  06/19/2026 11 AM PDT            2.00             12         0              Normal
  06/19/2026 12 PM PDT            2.00             12         0              Normal
  06/19/2026 01 PM PDT            2.00             12         0              Normal
  06/19/2026 02 PM PDT            2.00             12         0              Normal
  06/19/2026 03 PM PDT            2.00             12         0              Normal
  06/19/2026 04 PM PDT            2.00             12         0              Normal
  06/19/2026 05 PM PDT            2.00             12         0              Normal
  06/19/2026 06 PM PDT            2.00             12         0              Normal
  06/19/2026 07 PM PDT            2.00             12         0              Normal
  06/19/2026 08 PM PDT            2.00             12         0              Normal
  06/19/2026 09 PM PDT            1.99             12         -              Normal
  06/19/2026 10 PM PDT            1.99             12         0              Normal
  06/19/2026 11 PM PDT            1.99             12         0              Normal
  06/20/2026 12 AM PDT            1.99             12         0              Normal
  06/20/2026 01 AM PDT            1.99             12         0              Normal
  06/20/2026 02 AM PDT            1.99             12         0              Normal
  06/20/2026 03 AM PDT            1.99             12         0              Normal
  06/20/2026 04 AM PDT            1.99             12         0              Normal
  06/20/2026 05 AM PDT            1.99             12         0              Normal
  06/20/2026 06 AM PDT            1.99             12         0              Normal
  06/20/2026 07 AM PDT            1.99             12         0              Normal
  06/20/2026 08 AM PDT            1.99             12         0              Normal
  06/20/2026 09 AM PDT            1.99             12         0              Normal
  06/20/2026 10 AM PDT            1.99             12         0              Normal
  06/20/2026 11 AM PDT            1.99             12         0              Normal
  06/20/2026 12 PM PDT            1.99             12         0              Normal
  06/20/2026 01 PM PDT            1.99             12         0              Normal
  06/20/2026 02 PM PDT            1.99             12         0              Normal
  06/20/2026 03 PM PDT            1.99             12         0              Normal
  06/20/2026 04 PM PDT            1.99             12         0              Normal
  06/20/2026 05 PM PDT            1.99             12         0              Normal
  06/20/2026 06 PM PDT            1.99             12         0              Normal
  06/20/2026 07 PM PDT            1.99             12         0              Normal
  06/20/2026 08 PM PDT            1.99             12         0              Normal
  06/20/2026 09 PM PDT            1.99             12         0              Normal
  06/20/2026 10 PM PDT            1.99             12         0              Normal
  06/20/2026 11 PM PDT            1.99             12         0              Normal
  06/21/2026 12 AM PDT            1.99             12         0              Normal
  06/21/2026 01 AM PDT            1.98             11         -              Normal
  06/21/2026 02 AM PDT            1.98             11         0              Normal
  06/21/2026 03 AM PDT            1.98             11         0              Normal
  06/21/2026 04 AM PDT            1.98             11         0              Normal
  06/21/2026 05 AM PDT            1.98             11         0              Normal
  06/21/2026 06 AM PDT            1.98             11         0              Normal
  06/21/2026 07 AM PDT            1.98             11         0              Normal
  06/21/2026 08 AM PDT            1.98             11         0              Normal
  06/21/2026 09 AM PDT            1.98             11         0              Normal
  06/21/2026 10 AM PDT            1.98             11         0              Normal
  06/21/2026 11 AM PDT            1.98             11         0              Normal
  06/21/2026 12 PM PDT            1.98             11         0              Normal
  06/21/2026 01 PM PDT            1.98             11         0              Normal
  06/21/2026 02 PM PDT            1.98             11         0              Normal
  06/21/2026 03 PM PDT            1.98             11         0              Normal
  06/21/2026 04 PM PDT            1.98             11         0              Normal
  06/21/2026 05 PM PDT            1.98             11         0              Normal
  06/21/2026 06 PM PDT            1.98             11         0              Normal
  06/21/2026 07 PM PDT            1.98             11         0              Normal
  06/21/2026 08 PM PDT            1.98             11         0              Normal
  06/21/2026 09 PM PDT            1.98             11         0              Normal
  06/21/2026 10 PM PDT            1.98             11         0              Normal
  06/21/2026 11 PM PDT            1.98             11         0              Normal
  06/22/2026 12 AM PDT            1.98             11         0              Normal
  06/22/2026 01 AM PDT            1.98             11         0              Normal
  06/22/2026 02 AM PDT            1.98             11         0              Normal
  06/22/2026 03 AM PDT            1.98             11         0              Normal
  06/22/2026 04 AM PDT            1.98             11         0              Normal
  06/22/2026 05 AM PDT            1.98             11         0              Normal
  06/22/2026 06 AM PDT            1.97             11         -              Normal
  06/22/2026 07 AM PDT            1.97             11         0              Normal
  06/22/2026 08 AM PDT            1.97             11         0              Normal
  06/22/2026 09 AM PDT            1.97             11         0              Normal
  06/22/2026 10 AM PDT            1.97             11         0              Normal
  06/22/2026 11 AM PDT            1.97             11         0              Normal
  06/22/2026 12 PM PDT            1.97             11         0              Normal
  06/22/2026 01 PM PDT            1.97             11         0              Normal
  06/22/2026 02 PM PDT            1.97             11         0              Normal
  06/22/2026 03 PM PDT            1.97             11         0              Normal
  06/22/2026 04 PM PDT            1.97             11         0              Normal
  06/22/2026 05 PM PDT            1.97             11         0              Normal
  06/22/2026 06 PM PDT            1.97             11         0              Normal
  06/22/2026 07 PM PDT            1.97             11         0              Normal
  06/22/2026 08 PM PDT            1.97             11         0              Normal
  06/22/2026 09 PM PDT            1.97             11         0              Normal
  06/22/2026 10 PM PDT            1.97             11         0              Normal
  06/22/2026 11 PM PDT            1.97             11         0              Normal
  06/23/2026 12 AM PDT            1.97             11         0              Normal
  06/23/2026 01 AM PDT            1.97             11         0              Normal
  06/23/2026 02 AM PDT            1.97             11         0              Normal
  06/23/2026 03 AM PDT            1.97             11         0              Normal
  06/23/2026 04 AM PDT            1.97             11         0              Normal
  06/23/2026 05 AM PDT            1.97             11         0              Normal
  06/23/2026 06 AM PDT            1.97             11         0              Normal
  06/23/2026 07 AM PDT            1.97             11         0              Normal
  06/23/2026 08 AM PDT            1.97             11         0              Normal
  06/23/2026 09 AM PDT            1.96             10         -              Normal
  06/23/2026 10 AM PDT            1.96             10         0              Normal
  06/23/2026 11 AM PDT            1.96             10         0              Normal
  06/23/2026 12 PM PDT            1.96             10         0              Normal
  06/23/2026 01 PM PDT            1.96             10         0              Normal
  06/23/2026 02 PM PDT            1.96             10         0              Normal
  06/23/2026 03 PM PDT            1.96             10         0              Normal
  06/23/2026 04 PM PDT            1.96             10         0              Normal
  06/23/2026 05 PM PDT            1.96             10         0              Normal
  06/23/2026 06 PM PDT            1.96             10         0              Normal
  06/23/2026 07 PM PDT            1.96             10         0              Normal
  06/23/2026 08 PM PDT            1.96             10         0              Normal
  06/23/2026 09 PM PDT            1.96             10         0              Normal
  06/23/2026 10 PM PDT            1.96             10         0              Normal
  06/23/2026 11 PM PDT            1.96             10         0              Normal
  06/24/2026 12 AM PDT            1.96             10         0              Normal
  06/24/2026 01 AM PDT            1.96             10         0              Normal
  06/24/2026 02 AM PDT            1.96             10         0              Normal
  06/24/2026 03 AM PDT            1.96             10         0              Normal
  06/24/2026 04 AM PDT            1.96             10         0              Normal
  06/24/2026 05 AM PDT            1.96             10         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.