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: Nov 10 2026 at 1:52 PM PSTNext Issuance: Nov 11 2026 at 9:00 AM PST
Action: 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:  11/10/2026 at 01:52 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/09/2026 at 01:00 PM PST
# Maximum Observed Stage:                       2.82 Feet
# Maximum Observed Flow:                        4 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/13/2026 at 04:00 PM PST
# Maximum Forecast Stage:                       3.82 Feet
# Maximum Forecast Flow:                        76 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  11/05/2026 01 PM PST            2.81              4                        Normal
  11/05/2026 02 PM PST            2.81              4         0              Normal
  11/05/2026 03 PM PST            2.81              4         0              Normal
  11/05/2026 04 PM PST            2.81              4         0              Normal
  11/05/2026 05 PM PST            2.81              4         0              Normal
  11/05/2026 06 PM PST            2.81              4         0              Normal
  11/05/2026 07 PM PST            2.81              4         0              Normal
  11/05/2026 08 PM PST            2.82              4         +              Normal
  11/05/2026 09 PM PST            2.82              4         0              Normal
  11/05/2026 10 PM PST            2.82              4         0              Normal
  11/05/2026 11 PM PST            2.81              4         -              Normal
  11/06/2026 12 AM PST            2.81              4         0              Normal
  11/06/2026 01 AM PST            2.81              4         0              Normal
  11/06/2026 02 AM PST            2.82              4         +              Normal
  11/06/2026 03 AM PST            2.81              4         -              Normal
  11/06/2026 04 AM PST            2.82              4         +              Normal
  11/06/2026 05 AM PST            2.81              4         -              Normal
  11/06/2026 06 AM PST            2.81              4         0              Normal
  11/06/2026 07 AM PST            2.81              4         0              Normal
  11/06/2026 08 AM PST            2.81              4         0              Normal
  11/06/2026 09 AM PST            2.81              4         0              Normal
  11/06/2026 10 AM PST            2.82              4         +              Normal
  11/06/2026 11 AM PST            2.82              4         0              Normal
  11/06/2026 12 PM PST            2.82              4         0              Normal
  11/06/2026 01 PM PST            2.82              4         0              Normal
  11/06/2026 02 PM PST            2.81              4         -              Normal
  11/06/2026 03 PM PST            2.81              4         0              Normal
  11/06/2026 04 PM PST            2.81              4         0              Normal
  11/06/2026 05 PM PST            2.81              4         0              Normal
  11/06/2026 06 PM PST            2.81              4         0              Normal
  11/06/2026 07 PM PST            2.81              4         0              Normal
  11/06/2026 08 PM PST            2.81              4         0              Normal
  11/06/2026 09 PM PST            2.81              4         0              Normal
  11/06/2026 10 PM PST            2.81              4         0              Normal
  11/06/2026 11 PM PST            2.81              4         0              Normal
  11/07/2026 12 AM PST            2.81              4         0              Normal
  11/07/2026 01 AM PST            2.80              4         -              Normal
  11/07/2026 02 AM PST            2.80              4         0              Normal
  11/07/2026 03 AM PST            2.80              4         0              Normal
  11/07/2026 04 AM PST            2.80              4         0              Normal
  11/07/2026 05 AM PST            2.81              4         +              Normal
  11/07/2026 06 AM PST            2.81              4         0              Normal
  11/07/2026 07 AM PST            2.81              4         0              Normal
  11/07/2026 08 AM PST            2.81              4         0              Normal
  11/07/2026 09 AM PST            2.81              4         0              Normal
  11/07/2026 10 AM PST            2.81              4         0              Normal
  11/07/2026 11 AM PST            2.81              4         0              Normal
  11/07/2026 12 PM PST            2.81              4         0              Normal
  11/07/2026 01 PM PST            2.81              4         0              Normal
  11/07/2026 02 PM PST            2.81              4         0              Normal
  11/07/2026 03 PM PST            2.81              4         0              Normal
  11/07/2026 04 PM PST            2.81              4         0              Normal
  11/07/2026 05 PM PST            2.81              4         0              Normal
  11/07/2026 06 PM PST            2.81              4         0              Normal
  11/07/2026 07 PM PST            2.81              4         0              Normal
  11/07/2026 08 PM PST            2.81              4         0              Normal
  11/07/2026 09 PM PST            2.81              4         0              Normal
  11/07/2026 10 PM PST            2.81              4         0              Normal
  11/07/2026 11 PM PST            2.81              4         0              Normal
  11/08/2026 12 AM PST            2.81              4         0              Normal
  11/08/2026 01 AM PST            2.81              4         0              Normal
  11/08/2026 02 AM PST            2.81              4         0              Normal
  11/08/2026 03 AM PST            2.81              4         0              Normal
  11/08/2026 04 AM PST            2.81              4         0              Normal
  11/08/2026 05 AM PST            2.81              4         0              Normal
  11/08/2026 06 AM PST            2.81              4         0              Normal
  11/08/2026 07 AM PST            2.82              4         +              Normal
  11/08/2026 08 AM PST            2.82              4         0              Normal
  11/08/2026 09 AM PST            2.82              4         0              Normal
  11/08/2026 10 AM PST            2.82              4         0              Normal
  11/08/2026 11 AM PST            2.82              4         0              Normal
  11/08/2026 12 PM PST            2.81              4         -              Normal
  11/08/2026 01 PM PST            2.81              4         0              Normal
  11/08/2026 02 PM PST            2.81              4         0              Normal
  11/08/2026 03 PM PST            2.81              4         0              Normal
  11/08/2026 04 PM PST            2.81              4         0              Normal
  11/08/2026 05 PM PST            2.81              4         0              Normal
  11/08/2026 06 PM PST            2.81              4         0              Normal
  11/08/2026 07 PM PST            2.81              4         0              Normal
  11/08/2026 08 PM PST            2.81              4         0              Normal
  11/08/2026 09 PM PST            2.81              4         0              Normal
  11/08/2026 10 PM PST            2.81              4         0              Normal
  11/08/2026 11 PM PST            2.81              4         0              Normal
  11/09/2026 12 AM PST            2.81              4         0              Normal
  11/09/2026 01 AM PST            2.81              4         0              Normal
  11/09/2026 02 AM PST            2.81              4         0              Normal
  11/09/2026 03 AM PST            2.80              4         -              Normal
  11/09/2026 04 AM PST            2.81              4         +              Normal
  11/09/2026 05 AM PST            2.81              4         0              Normal
  11/09/2026 06 AM PST            2.82              4         +              Normal
  11/09/2026 07 AM PST            2.82              4         0              Normal
  11/09/2026 08 AM PST            2.81              4         -              Normal
  11/09/2026 09 AM PST            2.82              4         +              Normal
  11/09/2026 10 AM PST            2.82              4         0              Normal
  11/09/2026 11 AM PST            2.82              4         0              Normal
  11/09/2026 12 PM PST            2.82              4         0              Normal
  11/09/2026 01 PM PST            2.82              4         0              Normal
  11/09/2026 02 PM PST            2.81              4         -              Normal
  11/09/2026 03 PM PST            2.81              4         0              Normal
  11/09/2026 04 PM PST            2.81              4         0              Normal
  11/09/2026 05 PM PST            2.81              4         0              Normal
  11/09/2026 06 PM PST            2.81              4         0              Normal
  11/09/2026 07 PM PST            2.81              4         0              Normal
  11/09/2026 08 PM PST            2.81              4         0              Normal
  11/09/2026 09 PM PST            2.81              4         0              Normal
  11/09/2026 10 PM PST            2.81              4         0              Normal
  11/09/2026 11 PM PST            2.81              4         0              Normal
  11/10/2026 12 AM PST            2.81              4         0              Normal
  11/10/2026 01 AM PST            2.81              4         0              Normal
  11/10/2026 02 AM PST            2.81              4         0              Normal
  11/10/2026 03 AM PST            2.81              4         0              Normal
  11/10/2026 04 AM PST            2.81              4         0              Normal
  11/10/2026 05 AM PST            2.81              4         0              Normal
  11/10/2026 06 AM PST            2.81              4         0              Normal
  11/10/2026 07 AM PST            2.81              4         0              Normal
  11/10/2026 08 AM PST            2.81              4         0              Normal
  11/10/2026 09 AM PST            2.81              4         0              Normal
  11/10/2026 10 AM PST            2.81              4         0              Normal
  11/10/2026 11 AM PST            2.81              4         0              Normal
  11/10/2026 12 PM PST            2.81              4         0              Normal
  11/10/2026 01 PM PST            2.81              4         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/10/2026 02 PM PST            2.82              4                        Normal
  11/10/2026 03 PM PST            2.82              4         0              Normal
  11/10/2026 04 PM PST            2.82              4         0              Normal
  11/10/2026 05 PM PST            2.82              4         0              Normal
  11/10/2026 06 PM PST            2.82              4         0              Normal
  11/10/2026 07 PM PST            2.82              4         0              Normal
  11/10/2026 08 PM PST            2.82              4         0              Normal
  11/10/2026 09 PM PST            2.82              4         0              Normal
  11/10/2026 10 PM PST            2.82              4         0              Normal
  11/10/2026 11 PM PST            2.82              4         0              Normal
  11/11/2026 12 AM PST            2.82              4         0              Normal
  11/11/2026 01 AM PST            2.82              4         0              Normal
  11/11/2026 02 AM PST            2.82              4         0              Normal
  11/11/2026 03 AM PST            2.82              4         0              Normal
  11/11/2026 04 AM PST            2.82              4         0              Normal
  11/11/2026 05 AM PST            2.82              4         0              Normal
  11/11/2026 06 AM PST            2.82              4         0              Normal
  11/11/2026 07 AM PST            2.82              4         0              Normal
  11/11/2026 08 AM PST            2.82              4         0              Normal
  11/11/2026 09 AM PST            2.82              4         0              Normal
  11/11/2026 10 AM PST            2.82              4         0              Normal
  11/11/2026 11 AM PST            2.82              4         0              Normal
  11/11/2026 12 PM PST            2.82              4         0              Normal
  11/11/2026 01 PM PST            2.82              4         0              Normal
  11/11/2026 02 PM PST            2.82              4         0              Normal
  11/11/2026 03 PM PST            2.82              4         0              Normal
  11/11/2026 04 PM PST            2.82              4         0              Normal
  11/11/2026 05 PM PST            2.82              4         0              Normal
  11/11/2026 06 PM PST            2.82              4         0              Normal
  11/11/2026 07 PM PST            2.82              4         0              Normal
  11/11/2026 08 PM PST            2.82              4         0              Normal
  11/11/2026 09 PM PST            2.82              4         0              Normal
  11/11/2026 10 PM PST            2.82              4         0              Normal
  11/11/2026 11 PM PST            2.82              4         0              Normal
  11/12/2026 12 AM PST            2.82              4         0              Normal
  11/12/2026 01 AM PST            2.82              4         0              Normal
  11/12/2026 02 AM PST            2.82              4         0              Normal
  11/12/2026 03 AM PST            2.82              4         0              Normal
  11/12/2026 04 AM PST            2.82              4         0              Normal
  11/12/2026 05 AM PST            2.82              4         0              Normal
  11/12/2026 06 AM PST            2.82              4         0              Normal
  11/12/2026 07 AM PST            2.82              4         0              Normal
  11/12/2026 08 AM PST            2.82              4         0              Normal
  11/12/2026 09 AM PST            2.82              4         0              Normal
  11/12/2026 10 AM PST            2.82              4         0              Normal
  11/12/2026 11 AM PST            2.82              4         0              Normal
  11/12/2026 12 PM PST            2.82              4         0              Normal
  11/12/2026 01 PM PST            2.82              4         0              Normal
  11/12/2026 02 PM PST            2.82              4         0              Normal
  11/12/2026 03 PM PST            2.82              4         0              Normal
  11/12/2026 04 PM PST            2.82              4         0              Normal
  11/12/2026 05 PM PST            2.82              4         0              Normal
  11/12/2026 06 PM PST            2.82              4         0              Normal
  11/12/2026 07 PM PST            2.82              4         0              Normal
  11/12/2026 08 PM PST            2.82              4         0              Normal
  11/12/2026 09 PM PST            2.82              4         0              Normal
  11/12/2026 10 PM PST            2.82              4         0              Normal
  11/12/2026 11 PM PST            2.82              4         0              Normal
  11/13/2026 12 AM PST            2.82              4         0              Normal
  11/13/2026 01 AM PST            2.82              4         0              Normal
  11/13/2026 02 AM PST            2.82              4         0              Normal
  11/13/2026 03 AM PST            2.82              4         0              Normal
  11/13/2026 04 AM PST            2.82              4         0              Normal
  11/13/2026 05 AM PST            2.84              5         +              Normal
  11/13/2026 06 AM PST            2.88              6         +              Normal
  11/13/2026 07 AM PST            2.92              7         +              Normal
  11/13/2026 08 AM PST            2.94              8         +              Normal
  11/13/2026 09 AM PST            2.95              8         +              Normal
  11/13/2026 10 AM PST            2.95              8         0              Normal
  11/13/2026 11 AM PST            3.13             16         +              Normal
  11/13/2026 12 PM PST            3.46             39         +              Normal
  11/13/2026 01 PM PST            3.67             59         +              Normal
  11/13/2026 02 PM PST            3.76             69         +              Normal
  11/13/2026 03 PM PST            3.80             73         +              Normal
  11/13/2026 04 PM PST            3.82             76         +              Normal
  11/13/2026 05 PM PST            3.81             74         -              Normal
  11/13/2026 06 PM PST            3.74             66         -              Normal
  11/13/2026 07 PM PST            3.67             59         -              Normal
  11/13/2026 08 PM PST            3.64             56         -              Normal
  11/13/2026 09 PM PST            3.62             54         -              Normal
  11/13/2026 10 PM PST            3.61             53         -              Normal
  11/13/2026 11 PM PST            3.55             47         -              Normal
  11/14/2026 12 AM PST            3.39             34         -              Normal
  11/14/2026 01 AM PST            3.22             22         -              Normal
  11/14/2026 02 AM PST            3.12             16         -              Normal
  11/14/2026 03 AM PST            3.07             13         -              Normal
  11/14/2026 04 AM PST            3.03             11         -              Normal
  11/14/2026 05 AM PST            3.00             10         -              Normal
  11/14/2026 06 AM PST            2.96              8         -              Normal
  11/14/2026 07 AM PST            2.93              7         -              Normal
  11/14/2026 08 AM PST            2.91              7         -              Normal
  11/14/2026 09 AM PST            2.90              6         -              Normal
  11/14/2026 10 AM PST            2.90              6         0              Normal
  11/14/2026 11 AM PST            2.89              6         -              Normal
  11/14/2026 12 PM PST            2.87              6         -              Normal
  11/14/2026 01 PM PST            2.84              5         -              Normal
  11/14/2026 02 PM PST            2.83              4         -              Normal
  11/14/2026 03 PM PST            2.83              4         0              Normal
  11/14/2026 04 PM PST            2.82              4         -              Normal
  11/14/2026 05 PM PST            2.82              4         0              Normal
  11/14/2026 06 PM PST            2.82              4         0              Normal
  11/14/2026 07 PM PST            2.82              4         0              Normal
  11/14/2026 08 PM PST            2.82              4         0              Normal
  11/14/2026 09 PM PST            2.82              4         0              Normal
  11/14/2026 10 PM PST            2.82              4         0              Normal
  11/14/2026 11 PM PST            2.82              4         0              Normal
  11/15/2026 12 AM PST            2.82              4         0              Normal
  11/15/2026 01 AM PST            2.82              4         0              Normal
  11/15/2026 02 AM PST            2.82              4         0              Normal
  11/15/2026 03 AM PST            2.82              4         0              Normal
  11/15/2026 04 AM PST            2.82              4         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.