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 FeetForecast Type: Unofficial Location
Location: Santa Clara County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: Nov 11 2026 at 7:32 AM PSTNext Issuance: Nov 12 2026 at 9:00 AM PST
Action: 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:  11/11/2026 at 07:33 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/09/2026 at 12:00 PM PST
# Maximum Observed Stage:                       5.18 Feet
# Maximum Observed Flow:                        29 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/13/2026 at 07:00 PM PST
# Maximum Forecast Stage:                       7.91 Feet
# Maximum Forecast Flow:                        567 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  11/06/2026 07 AM PST            5.16             27                        Normal
  11/06/2026 08 AM PST            5.16             27         0              Normal
  11/06/2026 09 AM PST            5.16             27         0              Normal
  11/06/2026 10 AM PST            5.16             27         0              Normal
  11/06/2026 11 AM PST            5.16             27         0              Normal
  11/06/2026 12 PM PST            5.16             27         0              Normal
  11/06/2026 01 PM PST            5.17             28         +              Normal
  11/06/2026 02 PM PST            5.18             29         +              Normal
  11/06/2026 03 PM PST            5.18             29         0              Normal
  11/06/2026 04 PM PST            5.16             27         -              Normal
  11/06/2026 05 PM PST            5.16             27         0              Normal
  11/06/2026 06 PM PST            5.17             28         +              Normal
  11/06/2026 07 PM PST            5.18             29         +              Normal
  11/06/2026 08 PM PST            5.17             28         -              Normal
  11/06/2026 09 PM PST            5.17             28         0              Normal
  11/06/2026 10 PM PST            5.16             27         -              Normal
  11/06/2026 11 PM PST            5.16             27         0              Normal
  11/07/2026 12 AM PST            5.15             27         -              Normal
  11/07/2026 01 AM PST            5.16             27         +              Normal
  11/07/2026 02 AM PST            5.15             27         -              Normal
  11/07/2026 03 AM PST            5.15             27         0              Normal
  11/07/2026 04 AM PST            5.16             27         +              Normal
  11/07/2026 05 AM PST            5.16             27         0              Normal
  11/07/2026 06 AM PST            5.16             27         0              Normal
  11/07/2026 07 AM PST            5.17             28         +              Normal
  11/07/2026 08 AM PST            5.16             27         -              Normal
  11/07/2026 09 AM PST            5.16             27         0              Normal
  11/07/2026 10 AM PST            5.16             27         0              Normal
  11/07/2026 11 AM PST            5.16             27         0              Normal
  11/07/2026 12 PM PST            5.16             27         0              Normal
  11/07/2026 01 PM PST            5.16             27         0              Normal
  11/07/2026 02 PM PST            5.16             27         0              Normal
  11/07/2026 03 PM PST            5.16             27         0              Normal
  11/07/2026 04 PM PST            5.16             27         0              Normal
  11/07/2026 05 PM PST            5.16             27         0              Normal
  11/07/2026 06 PM PST            5.16             27         0              Normal
  11/07/2026 07 PM PST            5.16             27         0              Normal
  11/07/2026 08 PM PST            5.16             27         0              Normal
  11/07/2026 09 PM PST            5.16             27         0              Normal
  11/07/2026 10 PM PST            5.15             27         -              Normal
  11/07/2026 11 PM PST            5.15             27         0              Normal
  11/08/2026 12 AM PST            5.15             27         0              Normal
  11/08/2026 01 AM PST            5.16             27         +              Normal
  11/08/2026 02 AM PST            5.15             27         -              Normal
  11/08/2026 03 AM PST            5.16             27         +              Normal
  11/08/2026 04 AM PST            5.15             27         -              Normal
  11/08/2026 05 AM PST            5.16             27         +              Normal
  11/08/2026 06 AM PST            5.16             27         0              Normal
  11/08/2026 07 AM PST            5.17             28         +              Normal
  11/08/2026 08 AM PST            5.17             28         0              Normal
  11/08/2026 09 AM PST            5.16             27         -              Normal
  11/08/2026 10 AM PST            5.16             27         0              Normal
  11/08/2026 11 AM PST            5.16             27         0              Normal
  11/08/2026 12 PM PST            5.16             27         0              Normal
  11/08/2026 01 PM PST            5.16             27         0              Normal
  11/08/2026 02 PM PST            5.16             27         0              Normal
  11/08/2026 03 PM PST            5.15             27         -              Normal
  11/08/2026 04 PM PST            5.15             27         0              Normal
  11/08/2026 05 PM PST            5.15             27         0              Normal
  11/08/2026 06 PM PST            5.16             27         +              Normal
  11/08/2026 07 PM PST            5.17             28         +              Normal
  11/08/2026 08 PM PST            5.17             28         0              Normal
  11/08/2026 09 PM PST            5.16             27         -              Normal
  11/08/2026 10 PM PST            5.16             27         0              Normal
  11/08/2026 11 PM PST            5.16             27         0              Normal
  11/09/2026 12 AM PST            5.16             27         0              Normal
  11/09/2026 01 AM PST            5.16             27         0              Normal
  11/09/2026 02 AM PST            5.15             27         -              Normal
  11/09/2026 03 AM PST            5.16             27         +              Normal
  11/09/2026 04 AM PST            5.16             27         0              Normal
  11/09/2026 05 AM PST            5.16             27         0              Normal
  11/09/2026 06 AM PST            5.16             27         0              Normal
  11/09/2026 07 AM PST            5.16             27         0              Normal
  11/09/2026 08 AM PST            5.16             27         0              Normal
  11/09/2026 09 AM PST            5.17             28         +              Normal
  11/09/2026 10 AM PST            5.18             29         +              Normal
  11/09/2026 11 AM PST            5.18             29         0              Normal
  11/09/2026 12 PM PST            5.18             29         0              Normal
  11/09/2026 01 PM PST            5.17             28         -              Normal
  11/09/2026 02 PM PST            5.16             27         -              Normal
  11/09/2026 03 PM PST            5.17             28         +              Normal
  11/09/2026 04 PM PST            5.16             27         -              Normal
  11/09/2026 05 PM PST            5.16             27         0              Normal
  11/09/2026 06 PM PST            5.17             28         +              Normal
  11/09/2026 07 PM PST            5.17             28         0              Normal
  11/09/2026 08 PM PST            5.16             27         -              Normal
  11/09/2026 09 PM PST            5.16             27         0              Normal
  11/09/2026 10 PM PST            5.16             27         0              Normal
  11/09/2026 11 PM PST            5.16             27         0              Normal
  11/10/2026 12 AM PST            5.15             27         -              Normal
  11/10/2026 01 AM PST            5.15             27         0              Normal
  11/10/2026 02 AM PST            5.15             27         0              Normal
  11/10/2026 03 AM PST            5.15             27         0              Normal
  11/10/2026 04 AM PST            5.15             27         0              Normal
  11/10/2026 05 AM PST            5.15             27         0              Normal
  11/10/2026 06 AM PST            5.15             27         0              Normal
  11/10/2026 07 AM PST            5.15             27         0              Normal
  11/10/2026 08 AM PST            5.15             27         0              Normal
  11/10/2026 09 AM PST            5.16             27         +              Normal
  11/10/2026 10 AM PST            5.17             28         +              Normal
  11/10/2026 11 AM PST            5.16             27         -              Normal
  11/10/2026 12 PM PST            5.16             27         0              Normal
  11/10/2026 01 PM PST            5.17             28         +              Normal
  11/10/2026 02 PM PST            5.16             27         -              Normal
  11/10/2026 03 PM PST            5.15             27         -              Normal
  11/10/2026 04 PM PST            5.15             27         0              Normal
  11/10/2026 05 PM PST            5.15             27         0              Normal
  11/10/2026 06 PM PST            5.15             27         0              Normal
  11/10/2026 07 PM PST            5.15             27         0              Normal
  11/10/2026 08 PM PST            5.15             27         0              Normal
  11/10/2026 09 PM PST            5.15             27         0              Normal
  11/10/2026 10 PM PST            5.15             27         0              Normal
  11/10/2026 11 PM PST            5.15             27         0              Normal
  11/11/2026 12 AM PST            5.15             27         0              Normal
  11/11/2026 01 AM PST            5.15             27         0              Normal
  11/11/2026 02 AM PST            5.15             27         0              Normal
  11/11/2026 03 AM PST            5.15             27         0              Normal
  11/11/2026 04 AM PST            5.15             27         0              Normal
  11/11/2026 05 AM PST            5.15             27         0              Normal
  11/11/2026 06 AM PST            5.15             27         0              Normal
  11/11/2026 07 AM PST            5.15             27         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/11/2026 08 AM PST            5.15             27                        Normal
  11/11/2026 09 AM PST            5.15             27         0              Normal
  11/11/2026 10 AM PST            5.15             27         0              Normal
  11/11/2026 11 AM PST            5.15             27         0              Normal
  11/11/2026 12 PM PST            5.15             27         0              Normal
  11/11/2026 01 PM PST            5.15             27         0              Normal
  11/11/2026 02 PM PST            5.15             27         0              Normal
  11/11/2026 03 PM PST            5.15             27         0              Normal
  11/11/2026 04 PM PST            5.15             27         0              Normal
  11/11/2026 05 PM PST            5.15             27         0              Normal
  11/11/2026 06 PM PST            5.15             27         0              Normal
  11/11/2026 07 PM PST            5.15             27         0              Normal
  11/11/2026 08 PM PST            5.15             27         0              Normal
  11/11/2026 09 PM PST            5.15             27         0              Normal
  11/11/2026 10 PM PST            5.15             27         0              Normal
  11/11/2026 11 PM PST            5.15             27         0              Normal
  11/12/2026 12 AM PST            5.15             27         0              Normal
  11/12/2026 01 AM PST            5.15             27         0              Normal
  11/12/2026 02 AM PST            5.15             27         0              Normal
  11/12/2026 03 AM PST            5.15             27         0              Normal
  11/12/2026 04 AM PST            5.15             27         0              Normal
  11/12/2026 05 AM PST            5.15             27         0              Normal
  11/12/2026 06 AM PST            5.15             27         0              Normal
  11/12/2026 07 AM PST            5.15             27         0              Normal
  11/12/2026 08 AM PST            5.15             27         0              Normal
  11/12/2026 09 AM PST            5.15             27         0              Normal
  11/12/2026 10 AM PST            5.15             27         0              Normal
  11/12/2026 11 AM PST            5.15             27         0              Normal
  11/12/2026 12 PM PST            5.15             27         0              Normal
  11/12/2026 01 PM PST            5.15             27         0              Normal
  11/12/2026 02 PM PST            5.15             27         0              Normal
  11/12/2026 03 PM PST            5.15             27         0              Normal
  11/12/2026 04 PM PST            5.15             27         0              Normal
  11/12/2026 05 PM PST            5.15             27         0              Normal
  11/12/2026 06 PM PST            5.15             27         0              Normal
  11/12/2026 07 PM PST            5.15             27         0              Normal
  11/12/2026 08 PM PST            5.15             27         0              Normal
  11/12/2026 09 PM PST            5.15             27         0              Normal
  11/12/2026 10 PM PST            5.15             27         0              Normal
  11/12/2026 11 PM PST            5.15             27         0              Normal
  11/13/2026 12 AM PST            5.15             27         0              Normal
  11/13/2026 01 AM PST            5.15             27         0              Normal
  11/13/2026 02 AM PST            5.15             27         0              Normal
  11/13/2026 03 AM PST            5.15             27         0              Normal
  11/13/2026 04 AM PST            5.15             27         0              Normal
  11/13/2026 05 AM PST            5.15             27         0              Normal
  11/13/2026 06 AM PST            5.15             27         0              Normal
  11/13/2026 07 AM PST            5.15             27         0              Normal
  11/13/2026 08 AM PST            5.15             27         0              Normal
  11/13/2026 09 AM PST            5.16             27         +              Normal
  11/13/2026 10 AM PST            5.20             30         +              Normal
  11/13/2026 11 AM PST            5.32             40         +              Normal
  11/13/2026 12 PM PST            5.47             54         +              Normal
  11/13/2026 01 PM PST            5.63             71         +              Normal
  11/13/2026 02 PM PST            5.85             97         +              Normal
  11/13/2026 03 PM PST            6.24            154         +              Normal
  11/13/2026 04 PM PST            6.80            262         +              Normal
  11/13/2026 05 PM PST            7.34            396         +              Normal
  11/13/2026 06 PM PST            7.78            525         +              Normal
  11/13/2026 07 PM PST            7.91            567         +              Normal
  11/13/2026 08 PM PST            7.76            519         -              Normal
  11/13/2026 09 PM PST            7.59            467         -              Normal
  11/13/2026 10 PM PST            7.41            415         -              Normal
  11/13/2026 11 PM PST            7.18            353         -              Normal
  11/14/2026 12 AM PST            6.93            292         -              Normal
  11/14/2026 01 AM PST            6.70            240         -              Normal
  11/14/2026 02 AM PST            6.51            202         -              Normal
  11/14/2026 03 AM PST            6.32            167         -              Normal
  11/14/2026 04 AM PST            6.11            133         -              Normal
  11/14/2026 05 AM PST            5.91            105         -              Normal
  11/14/2026 06 AM PST            5.74             83         -              Normal
  11/14/2026 07 AM PST            5.62             70         -              Normal
  11/14/2026 08 AM PST            5.54             61         -              Normal
  11/14/2026 09 AM PST            5.46             53         -              Normal
  11/14/2026 10 AM PST            5.38             45         -              Normal
  11/14/2026 11 AM PST            5.32             40         -              Normal
  11/14/2026 12 PM PST            5.26             35         -              Normal
  11/14/2026 01 PM PST            5.22             32         -              Normal
  11/14/2026 02 PM PST            5.20             30         -              Normal
  11/14/2026 03 PM PST            5.18             29         -              Normal
  11/14/2026 04 PM PST            5.17             28         -              Normal
  11/14/2026 05 PM PST            5.17             28         0              Normal
  11/14/2026 06 PM PST            5.16             27         -              Normal
  11/14/2026 07 PM PST            5.16             27         0              Normal
  11/14/2026 08 PM PST            5.16             27         0              Normal
  11/14/2026 09 PM PST            5.16             27         0              Normal
  11/14/2026 10 PM PST            5.16             27         0              Normal
  11/14/2026 11 PM PST            5.16             27         0              Normal
  11/15/2026 12 AM PST            5.16             27         0              Normal
  11/15/2026 01 AM PST            5.16             27         0              Normal
  11/15/2026 02 AM PST            5.16             27         0              Normal
  11/15/2026 03 AM PST            5.16             27         0              Normal
  11/15/2026 04 AM PST            5.15             27         -              Normal
  11/15/2026 05 AM PST            5.15             27         0              Normal
  11/15/2026 06 AM PST            5.15             27         0              Normal
  11/15/2026 07 AM PST            5.15             27         0              Normal
  11/15/2026 08 AM PST            5.15             27         0              Normal
  11/15/2026 09 AM PST            5.15             27         0              Normal
  11/15/2026 10 AM PST            5.15             27         0              Normal
  11/15/2026 11 AM PST            5.15             27         0              Normal
  11/15/2026 12 PM PST            5.15             27         0              Normal
  11/15/2026 01 PM PST            5.15             27         0              Normal
  11/15/2026 02 PM PST            5.15             27         0              Normal
  11/15/2026 03 PM PST            5.15             27         0              Normal
  11/15/2026 04 PM PST            5.15             27         0              Normal
  11/15/2026 05 PM PST            5.16             27         +              Normal
  11/15/2026 06 PM PST            5.16             27         0              Normal
  11/15/2026 07 PM PST            5.18             29         +              Normal
  11/15/2026 08 PM PST            5.31             39         +              Normal
  11/15/2026 09 PM PST            5.62             70         +              Normal
  11/15/2026 10 PM PST            5.97            113         +              Normal
  11/15/2026 11 PM PST            6.27            159         +              Normal
  11/16/2026 12 AM PST            6.47            194         +              Normal
  11/16/2026 01 AM PST            6.62            223         +              Normal
  11/16/2026 02 AM PST            6.74            249         +              Normal
  11/16/2026 03 AM PST            6.88            280         +              Normal
  11/16/2026 04 AM PST            7.02            313         +              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.