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 14 2026 at 7:38 AM PDTNext Issuance: Jun 15 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:  06/14/2026 at 07:38 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/14/2026 at 07:00 AM PDT
# Maximum Observed Stage:                       1.97 Feet
# Maximum Observed Flow:                        20 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/14/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       1.97 Feet
# Maximum Forecast Flow:                        20 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/09/2026 07 AM PDT            1.69              7                        Normal
  06/09/2026 08 AM PDT            1.69              7         0              Normal
  06/09/2026 09 AM PDT            1.69              7         0              Normal
  06/09/2026 10 AM PDT            1.69              7         0              Normal
  06/09/2026 11 AM PDT            1.69              7         0              Normal
  06/09/2026 12 PM PDT            1.69              7         0              Normal
  06/09/2026 01 PM PDT            1.68              7         -              Normal
  06/09/2026 02 PM PDT            1.68              7         0              Normal
  06/09/2026 03 PM PDT            1.68              7         0              Normal
  06/09/2026 04 PM PDT            1.67              6         -              Normal
  06/09/2026 05 PM PDT            1.67              6         0              Normal
  06/09/2026 06 PM PDT            1.67              6         0              Normal
  06/09/2026 07 PM PDT            1.68              7         +              Normal
  06/09/2026 08 PM PDT            1.68              7         0              Normal
  06/09/2026 09 PM PDT            1.68              7         0              Normal
  06/09/2026 10 PM PDT            1.68              7         0              Normal
  06/09/2026 11 PM PDT            1.70              7         +              Normal
  06/10/2026 12 AM PDT            1.70              7         0              Normal
  06/10/2026 01 AM PDT            1.71              8         +              Normal
  06/10/2026 02 AM PDT            1.72              8         +              Normal
  06/10/2026 03 AM PDT            1.72              8         0              Normal
  06/10/2026 04 AM PDT            1.73              8         +              Normal
  06/10/2026 05 AM PDT            1.73              8         0              Normal
  06/10/2026 06 AM PDT            1.74              9         +              Normal
  06/10/2026 07 AM PDT            1.74              9         0              Normal
  06/10/2026 08 AM PDT            1.75              9         +              Normal
  06/10/2026 09 AM PDT            1.75              9         0              Normal
  06/10/2026 10 AM PDT            1.75              9         0              Normal
  06/10/2026 11 AM PDT            1.75              9         0              Normal
  06/10/2026 12 PM PDT            1.74              9         -              Normal
  06/10/2026 01 PM PDT            1.74              9         0              Normal
  06/10/2026 02 PM PDT            1.74              9         0              Normal
  06/10/2026 03 PM PDT            1.74              9         0              Normal
  06/10/2026 04 PM PDT            1.74              9         0              Normal
  06/10/2026 05 PM PDT            1.74              9         0              Normal
  06/10/2026 06 PM PDT            1.74              9         0              Normal
  06/10/2026 07 PM PDT            1.74              9         0              Normal
  06/10/2026 08 PM PDT            1.74              9         0              Normal
  06/10/2026 09 PM PDT            1.75              9         +              Normal
  06/10/2026 10 PM PDT            1.75              9         0              Normal
  06/10/2026 11 PM PDT            1.77             10         +              Normal
  06/11/2026 12 AM PDT            1.77             10         0              Normal
  06/11/2026 01 AM PDT            1.78             10         +              Normal
  06/11/2026 02 AM PDT            1.79             11         +              Normal
  06/11/2026 03 AM PDT            1.79             11         0              Normal
  06/11/2026 04 AM PDT            1.80             11         +              Normal
  06/11/2026 05 AM PDT            1.80             11         0              Normal
  06/11/2026 06 AM PDT            1.81             12         +              Normal
  06/11/2026 07 AM PDT            1.82             12         +              Normal
  06/11/2026 08 AM PDT            1.82             12         0              Normal
  06/11/2026 09 AM PDT            1.82             12         0              Normal
  06/11/2026 10 AM PDT            1.82             12         0              Normal
  06/11/2026 11 AM PDT            1.82             12         0              Normal
  06/11/2026 12 PM PDT            1.81             12         -              Normal
  06/11/2026 01 PM PDT            1.81             12         0              Normal
  06/11/2026 02 PM PDT            1.80             11         -              Normal
  06/11/2026 03 PM PDT            1.80             11         0              Normal
  06/11/2026 04 PM PDT            1.80             11         0              Normal
  06/11/2026 05 PM PDT            1.80             11         0              Normal
  06/11/2026 06 PM PDT            1.81             12         +              Normal
  06/11/2026 07 PM PDT            1.81             12         0              Normal
  06/11/2026 08 PM PDT            1.82             12         +              Normal
  06/11/2026 09 PM PDT            1.83             12         +              Normal
  06/11/2026 10 PM PDT            1.83             12         0              Normal
  06/11/2026 11 PM PDT            1.84             13         +              Normal
  06/12/2026 12 AM PDT            1.86             14         +              Normal
  06/12/2026 01 AM PDT            1.88             15         +              Normal
  06/12/2026 02 AM PDT            1.89             16         +              Normal
  06/12/2026 03 AM PDT            1.89             16         0              Normal
  06/12/2026 04 AM PDT            1.90             16         +              Normal
  06/12/2026 05 AM PDT            1.91             17         +              Normal
  06/12/2026 06 AM PDT            1.92             17         +              Normal
  06/12/2026 07 AM PDT            1.92             17         0              Normal
  06/12/2026 08 AM PDT            1.92             17         0              Normal
  06/12/2026 09 AM PDT            1.92             17         0              Normal
  06/12/2026 10 AM PDT            1.91             17         -              Normal
  06/12/2026 11 AM PDT            1.91             17         0              Normal
  06/12/2026 12 PM PDT            1.90             16         -              Normal
  06/12/2026 01 PM PDT            1.89             16         -              Normal
  06/12/2026 02 PM PDT            1.88             15         -              Normal
  06/12/2026 03 PM PDT            1.88             15         0              Normal
  06/12/2026 04 PM PDT            1.87             15         -              Normal
  06/12/2026 05 PM PDT            1.86             14         -              Normal
  06/12/2026 06 PM PDT            1.86             14         0              Normal
  06/12/2026 07 PM PDT            1.85             13         -              Normal
  06/12/2026 08 PM PDT            1.86             14         +              Normal
  06/12/2026 09 PM PDT            1.86             14         0              Normal
  06/12/2026 10 PM PDT            1.89             16         +              Normal
  06/12/2026 11 PM PDT            1.90             16         +              Normal
  06/13/2026 12 AM PDT            1.91             17         +              Normal
  06/13/2026 01 AM PDT            1.92             17         +              Normal
  06/13/2026 02 AM PDT            1.92             17         0              Normal
  06/13/2026 03 AM PDT            1.92             17         0              Normal
  06/13/2026 04 AM PDT            1.92             17         0              Normal
  06/13/2026 05 AM PDT            1.93             18         +              Normal
  06/13/2026 06 AM PDT            1.92             17         -              Normal
  06/13/2026 07 AM PDT            1.93             18         +              Normal
  06/13/2026 08 AM PDT            1.94             18         +              Normal
  06/13/2026 09 AM PDT            1.94             18         0              Normal
  06/13/2026 10 AM PDT            1.94             18         0              Normal
  06/13/2026 11 AM PDT            1.94             18         0              Normal
  06/13/2026 12 PM PDT            1.94             18         0              Normal
  06/13/2026 01 PM PDT            1.93             18         -              Normal
  06/13/2026 02 PM PDT            1.93             18         0              Normal
  06/13/2026 03 PM PDT            1.93             18         0              Normal
  06/13/2026 04 PM PDT            1.92             17         -              Normal
  06/13/2026 05 PM PDT            1.92             17         0              Normal
  06/13/2026 06 PM PDT            1.92             17         0              Normal
  06/13/2026 07 PM PDT            1.92             17         0              Normal
  06/13/2026 08 PM PDT            1.92             17         0              Normal
  06/13/2026 09 PM PDT            1.92             17         0              Normal
  06/13/2026 10 PM PDT            1.94             18         +              Normal
  06/13/2026 11 PM PDT            1.95             19         +              Normal
  06/14/2026 12 AM PDT            1.96             20         +              Normal
  06/14/2026 01 AM PDT            1.96             20         0              Normal
  06/14/2026 02 AM PDT            1.97             20         +              Normal
  06/14/2026 03 AM PDT            1.97             20         0              Normal
  06/14/2026 04 AM PDT            1.97             20         0              Normal
  06/14/2026 05 AM PDT            1.97             20         0              Normal
  06/14/2026 06 AM PDT            1.97             20         0              Normal
  06/14/2026 07 AM PDT            1.97             20         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/14/2026 08 AM PDT            1.97             20                        Normal
  06/14/2026 09 AM PDT            1.97             20         0              Normal
  06/14/2026 10 AM PDT            1.97             20         0              Normal
  06/14/2026 11 AM PDT            1.97             20         0              Normal
  06/14/2026 12 PM PDT            1.97             20         0              Normal
  06/14/2026 01 PM PDT            1.97             20         0              Normal
  06/14/2026 02 PM PDT            1.97             20         0              Normal
  06/14/2026 03 PM PDT            1.97             20         0              Normal
  06/14/2026 04 PM PDT            1.97             20         0              Normal
  06/14/2026 05 PM PDT            1.97             20         0              Normal
  06/14/2026 06 PM PDT            1.96             20         -              Normal
  06/14/2026 07 PM PDT            1.96             20         0              Normal
  06/14/2026 08 PM PDT            1.96             20         0              Normal
  06/14/2026 09 PM PDT            1.96             20         0              Normal
  06/14/2026 10 PM PDT            1.96             20         0              Normal
  06/14/2026 11 PM PDT            1.96             20         0              Normal
  06/15/2026 12 AM PDT            1.96             20         0              Normal
  06/15/2026 01 AM PDT            1.96             20         0              Normal
  06/15/2026 02 AM PDT            1.96             20         0              Normal
  06/15/2026 03 AM PDT            1.96             20         0              Normal
  06/15/2026 04 AM PDT            1.96             20         0              Normal
  06/15/2026 05 AM PDT            1.96             20         0              Normal
  06/15/2026 06 AM PDT            1.96             20         0              Normal
  06/15/2026 07 AM PDT            1.96             20         0              Normal
  06/15/2026 08 AM PDT            1.96             20         0              Normal
  06/15/2026 09 AM PDT            1.96             20         0              Normal
  06/15/2026 10 AM PDT            1.96             20         0              Normal
  06/15/2026 11 AM PDT            1.96             20         0              Normal
  06/15/2026 12 PM PDT            1.96             20         0              Normal
  06/15/2026 01 PM PDT            1.96             20         0              Normal
  06/15/2026 02 PM PDT            1.96             20         0              Normal
  06/15/2026 03 PM PDT            1.96             20         0              Normal
  06/15/2026 04 PM PDT            1.96             20         0              Normal
  06/15/2026 05 PM PDT            1.95             19         -              Normal
  06/15/2026 06 PM PDT            1.95             19         0              Normal
  06/15/2026 07 PM PDT            1.95             19         0              Normal
  06/15/2026 08 PM PDT            1.95             19         0              Normal
  06/15/2026 09 PM PDT            1.95             19         0              Normal
  06/15/2026 10 PM PDT            1.95             19         0              Normal
  06/15/2026 11 PM PDT            1.95             19         0              Normal
  06/16/2026 12 AM PDT            1.95             19         0              Normal
  06/16/2026 01 AM PDT            1.95             19         0              Normal
  06/16/2026 02 AM PDT            1.95             19         0              Normal
  06/16/2026 03 AM PDT            1.95             19         0              Normal
  06/16/2026 04 AM PDT            1.95             19         0              Normal
  06/16/2026 05 AM PDT            1.95             19         0              Normal
  06/16/2026 06 AM PDT            1.95             19         0              Normal
  06/16/2026 07 AM PDT            1.95             19         0              Normal
  06/16/2026 08 AM PDT            1.95             19         0              Normal
  06/16/2026 09 AM PDT            1.95             19         0              Normal
  06/16/2026 10 AM PDT            1.95             19         0              Normal
  06/16/2026 11 AM PDT            1.95             19         0              Normal
  06/16/2026 12 PM PDT            1.95             19         0              Normal
  06/16/2026 01 PM PDT            1.95             19         0              Normal
  06/16/2026 02 PM PDT            1.95             19         0              Normal
  06/16/2026 03 PM PDT            1.95             19         0              Normal
  06/16/2026 04 PM PDT            1.95             19         0              Normal
  06/16/2026 05 PM PDT            1.94             18         -              Normal
  06/16/2026 06 PM PDT            1.94             18         0              Normal
  06/16/2026 07 PM PDT            1.94             18         0              Normal
  06/16/2026 08 PM PDT            1.94             18         0              Normal
  06/16/2026 09 PM PDT            1.94             18         0              Normal
  06/16/2026 10 PM PDT            1.94             18         0              Normal
  06/16/2026 11 PM PDT            1.94             18         0              Normal
  06/17/2026 12 AM PDT            1.94             18         0              Normal
  06/17/2026 01 AM PDT            1.94             18         0              Normal
  06/17/2026 02 AM PDT            1.94             18         0              Normal
  06/17/2026 03 AM PDT            1.94             18         0              Normal
  06/17/2026 04 AM PDT            1.94             18         0              Normal
  06/17/2026 05 AM PDT            1.94             18         0              Normal
  06/17/2026 06 AM PDT            1.94             18         0              Normal
  06/17/2026 07 AM PDT            1.94             18         0              Normal
  06/17/2026 08 AM PDT            1.94             18         0              Normal
  06/17/2026 09 AM PDT            1.94             18         0              Normal
  06/17/2026 10 AM PDT            1.94             18         0              Normal
  06/17/2026 11 AM PDT            1.94             18         0              Normal
  06/17/2026 12 PM PDT            1.94             18         0              Normal
  06/17/2026 01 PM PDT            1.94             18         0              Normal
  06/17/2026 02 PM PDT            1.94             18         0              Normal
  06/17/2026 03 PM PDT            1.94             18         0              Normal
  06/17/2026 04 PM PDT            1.94             18         0              Normal
  06/17/2026 05 PM PDT            1.93             18         -              Normal
  06/17/2026 06 PM PDT            1.93             18         0              Normal
  06/17/2026 07 PM PDT            1.93             18         0              Normal
  06/17/2026 08 PM PDT            1.93             18         0              Normal
  06/17/2026 09 PM PDT            1.93             18         0              Normal
  06/17/2026 10 PM PDT            1.93             18         0              Normal
  06/17/2026 11 PM PDT            1.93             18         0              Normal
  06/18/2026 12 AM PDT            1.93             18         0              Normal
  06/18/2026 01 AM PDT            1.93             18         0              Normal
  06/18/2026 02 AM PDT            1.93             18         0              Normal
  06/18/2026 03 AM PDT            1.93             18         0              Normal
  06/18/2026 04 AM PDT            1.93             18         0              Normal
  06/18/2026 05 AM PDT            1.93             18         0              Normal
  06/18/2026 06 AM PDT            1.93             18         0              Normal
  06/18/2026 07 AM PDT            1.93             18         0              Normal
  06/18/2026 08 AM PDT            1.93             18         0              Normal
  06/18/2026 09 AM PDT            1.93             18         0              Normal
  06/18/2026 10 AM PDT            1.93             18         0              Normal
  06/18/2026 11 AM PDT            1.93             18         0              Normal
  06/18/2026 12 PM PDT            1.93             18         0              Normal
  06/18/2026 01 PM PDT            1.93             18         0              Normal
  06/18/2026 02 PM PDT            1.93             18         0              Normal
  06/18/2026 03 PM PDT            1.92             17         -              Normal
  06/18/2026 04 PM PDT            1.92             17         0              Normal
  06/18/2026 05 PM PDT            1.92             17         0              Normal
  06/18/2026 06 PM PDT            1.92             17         0              Normal
  06/18/2026 07 PM PDT            1.92             17         0              Normal
  06/18/2026 08 PM PDT            1.92             17         0              Normal
  06/18/2026 09 PM PDT            1.92             17         0              Normal
  06/18/2026 10 PM PDT            1.92             17         0              Normal
  06/18/2026 11 PM PDT            1.92             17         0              Normal
  06/19/2026 12 AM PDT            1.92             17         0              Normal
  06/19/2026 01 AM PDT            1.92             17         0              Normal
  06/19/2026 02 AM PDT            1.92             17         0              Normal
  06/19/2026 03 AM PDT            1.92             17         0              Normal
  06/19/2026 04 AM PDT            1.92             17         0              Normal
  06/19/2026 05 AM PDT            1.92             17         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.