National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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ARROYO HONDO - SAN JOSE (AHOC1)
Latitude: 37.46º NLongitude: 121.77º WElevation: 784 FeetForecast Type: Unofficial Location
Location: Santa Clara County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: Apr 09 2026 at 1:02 PM PDTNext Issuance: Apr 10 2026 at 9:00 AM PDT
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Arroyo Hondo - San Jose (AHOC1)
#
# File Generation Time:  04/09/2026 at 01:04 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/04/2026 at 01:00 PM PDT
# Maximum Observed Stage:                       3.11 Feet
# Maximum Observed Flow:                        11 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/13/2026 at 05:00 AM PDT
# Maximum Forecast Stage:                       4.92 Feet
# Maximum Forecast Flow:                        184 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/04/2026 01 PM PDT            3.11             11                Not Applicable
  04/04/2026 02 PM PDT            3.10             11         -      Not Applicable
  04/04/2026 03 PM PDT            3.10             11         0      Not Applicable
  04/04/2026 04 PM PDT            3.10             11         0      Not Applicable
  04/04/2026 05 PM PDT            3.10             11         0      Not Applicable
  04/04/2026 06 PM PDT            3.09             10         -      Not Applicable
  04/04/2026 07 PM PDT            3.09             10         0      Not Applicable
  04/04/2026 08 PM PDT            3.09             10         0      Not Applicable
  04/04/2026 09 PM PDT            3.09             10         0      Not Applicable
  04/04/2026 10 PM PDT            3.09             10         0      Not Applicable
  04/04/2026 11 PM PDT            3.09             10         0      Not Applicable
  04/05/2026 12 AM PDT            3.09             10         0      Not Applicable
  04/05/2026 01 AM PDT            3.09             10         0      Not Applicable
  04/05/2026 02 AM PDT            3.09             10         0      Not Applicable
  04/05/2026 03 AM PDT            3.09             10         0      Not Applicable
  04/05/2026 04 AM PDT            3.10             11         +      Not Applicable
  04/05/2026 05 AM PDT            3.10             11         0      Not Applicable
  04/05/2026 06 AM PDT            3.10             11         0      Not Applicable
  04/05/2026 07 AM PDT            3.10             11         0      Not Applicable
  04/05/2026 08 AM PDT            3.10             11         0      Not Applicable
  04/05/2026 09 AM PDT            3.10             11         0      Not Applicable
  04/05/2026 10 AM PDT            3.10             11         0      Not Applicable
  04/05/2026 11 AM PDT            3.10             11         0      Not Applicable
  04/05/2026 12 PM PDT            3.09             10         -      Not Applicable
  04/05/2026 01 PM PDT            3.09             10         0      Not Applicable
  04/05/2026 02 PM PDT            3.09             10         0      Not Applicable
  04/05/2026 03 PM PDT            3.08             10         -      Not Applicable
  04/05/2026 04 PM PDT            3.08             10         0      Not Applicable
  04/05/2026 05 PM PDT            3.08             10         0      Not Applicable
  04/05/2026 06 PM PDT            3.08             10         0      Not Applicable
  04/05/2026 07 PM PDT            3.08             10         0      Not Applicable
  04/05/2026 08 PM PDT            3.08             10         0      Not Applicable
  04/05/2026 09 PM PDT            3.08             10         0      Not Applicable
  04/05/2026 10 PM PDT            3.08             10         0      Not Applicable
  04/05/2026 11 PM PDT            3.08             10         0      Not Applicable
  04/06/2026 12 AM PDT            3.08             10         0      Not Applicable
  04/06/2026 01 AM PDT            3.08             10         0      Not Applicable
  04/06/2026 02 AM PDT            3.08             10         0      Not Applicable
  04/06/2026 03 AM PDT            3.08             10         0      Not Applicable
  04/06/2026 04 AM PDT            3.08             10         0      Not Applicable
  04/06/2026 05 AM PDT            3.08             10         0      Not Applicable
  04/06/2026 06 AM PDT            3.08             10         0      Not Applicable
  04/06/2026 07 AM PDT            3.08             10         0      Not Applicable
  04/06/2026 08 AM PDT            3.08             10         0      Not Applicable
  04/06/2026 09 AM PDT            3.08             10         0      Not Applicable
  04/06/2026 10 AM PDT            3.08             10         0      Not Applicable
  04/06/2026 11 AM PDT            3.08             10         0      Not Applicable
  04/06/2026 12 PM PDT            3.08             10         0      Not Applicable
  04/06/2026 01 PM PDT            3.08             10         0      Not Applicable
  04/06/2026 02 PM PDT            3.08             10         0      Not Applicable
  04/06/2026 03 PM PDT            3.07             10         -      Not Applicable
  04/06/2026 04 PM PDT            3.07             10         0      Not Applicable
  04/06/2026 05 PM PDT            3.07             10         0      Not Applicable
  04/06/2026 06 PM PDT            3.07             10         0      Not Applicable
  04/06/2026 07 PM PDT            3.07             10         0      Not Applicable
  04/06/2026 08 PM PDT            3.07             10         0      Not Applicable
  04/06/2026 09 PM PDT            3.07             10         0      Not Applicable
  04/06/2026 10 PM PDT            3.07             10         0      Not Applicable
  04/06/2026 11 PM PDT            3.07             10         0      Not Applicable
  04/07/2026 12 AM PDT            3.07             10         0      Not Applicable
  04/07/2026 01 AM PDT            3.07             10         0      Not Applicable
  04/07/2026 02 AM PDT            3.07             10         0      Not Applicable
  04/07/2026 03 AM PDT            3.07             10         0      Not Applicable
  04/07/2026 04 AM PDT            3.07             10         0      Not Applicable
  04/07/2026 05 AM PDT            3.07             10         0      Not Applicable
  04/07/2026 06 AM PDT            3.07             10         0      Not Applicable
  04/07/2026 07 AM PDT            3.07             10         0      Not Applicable
  04/07/2026 08 AM PDT            3.07             10         0      Not Applicable
  04/07/2026 09 AM PDT            3.07             10         0      Not Applicable
  04/07/2026 10 AM PDT            3.07             10         0      Not Applicable
  04/07/2026 11 AM PDT            3.07             10         0      Not Applicable
  04/07/2026 12 PM PDT            3.07             10         0      Not Applicable
  04/07/2026 01 PM PDT            3.07             10         0      Not Applicable
  04/07/2026 02 PM PDT            3.07             10         0      Not Applicable
  04/07/2026 03 PM PDT            3.06              9         -      Not Applicable
  04/07/2026 04 PM PDT            3.06              9         0      Not Applicable
  04/07/2026 05 PM PDT            3.06              9         0      Not Applicable
  04/07/2026 06 PM PDT            3.06              9         0      Not Applicable
  04/07/2026 07 PM PDT            3.06              9         0      Not Applicable
  04/07/2026 08 PM PDT            3.06              9         0      Not Applicable
  04/07/2026 09 PM PDT            3.06              9         0      Not Applicable
  04/07/2026 10 PM PDT            3.06              9         0      Not Applicable
  04/07/2026 11 PM PDT            3.06              9         0      Not Applicable
  04/08/2026 12 AM PDT            3.06              9         0      Not Applicable
  04/08/2026 01 AM PDT            3.06              9         0      Not Applicable
  04/08/2026 02 AM PDT            3.06              9         0      Not Applicable
  04/08/2026 03 AM PDT            3.06              9         0      Not Applicable
  04/08/2026 04 AM PDT            3.06              9         0      Not Applicable
  04/08/2026 05 AM PDT            3.06              9         0      Not Applicable
  04/08/2026 06 AM PDT            3.06              9         0      Not Applicable
  04/08/2026 07 AM PDT            3.06              9         0      Not Applicable
  04/08/2026 08 AM PDT            3.06              9         0      Not Applicable
  04/08/2026 09 AM PDT            3.06              9         0      Not Applicable
  04/08/2026 10 AM PDT            3.06              9         0      Not Applicable
  04/08/2026 11 AM PDT            3.06              9         0      Not Applicable
  04/08/2026 12 PM PDT            3.06              9         0      Not Applicable
  04/08/2026 01 PM PDT            3.06              9         0      Not Applicable
  04/08/2026 02 PM PDT            3.06              9         0      Not Applicable
  04/08/2026 03 PM PDT            3.05              9         -      Not Applicable
  04/08/2026 04 PM PDT            3.05              9         0      Not Applicable
  04/08/2026 05 PM PDT            3.05              9         0      Not Applicable
  04/08/2026 06 PM PDT            3.05              9         0      Not Applicable
  04/08/2026 07 PM PDT            3.05              9         0      Not Applicable
  04/08/2026 08 PM PDT            3.05              9         0      Not Applicable
  04/08/2026 09 PM PDT            3.05              9         0      Not Applicable
  04/08/2026 10 PM PDT            3.05              9         0      Not Applicable
  04/08/2026 11 PM PDT            3.05              9         0      Not Applicable
  04/09/2026 12 AM PDT            3.05              9         0      Not Applicable
  04/09/2026 01 AM PDT            3.05              9         0      Not Applicable
  04/09/2026 02 AM PDT            3.05              9         0      Not Applicable
  04/09/2026 03 AM PDT            3.05              9         0      Not Applicable
  04/09/2026 04 AM PDT            3.05              9         0      Not Applicable
  04/09/2026 05 AM PDT            3.05              9         0      Not Applicable
  04/09/2026 06 AM PDT            3.06              9         +      Not Applicable
  04/09/2026 07 AM PDT            3.06              9         0      Not Applicable
  04/09/2026 08 AM PDT            3.05              9         -      Not Applicable
  04/09/2026 09 AM PDT            3.07             10         +      Not Applicable
  04/09/2026 10 AM PDT            3.07             10         0      Not Applicable
  04/09/2026 11 AM PDT            3.07             10         0      Not Applicable
  04/09/2026 12 PM PDT            3.07             10         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/09/2026 01 PM PDT            3.07             10                Not Applicable
  04/09/2026 02 PM PDT            3.07             10         0      Not Applicable
  04/09/2026 03 PM PDT            3.07             10         0      Not Applicable
  04/09/2026 04 PM PDT            3.07             10         0      Not Applicable
  04/09/2026 05 PM PDT            3.07             10         0      Not Applicable
  04/09/2026 06 PM PDT            3.07             10         0      Not Applicable
  04/09/2026 07 PM PDT            3.07             10         0      Not Applicable
  04/09/2026 08 PM PDT            3.07             10         0      Not Applicable
  04/09/2026 09 PM PDT            3.07             10         0      Not Applicable
  04/09/2026 10 PM PDT            3.07             10         0      Not Applicable
  04/09/2026 11 PM PDT            3.07             10         0      Not Applicable
  04/10/2026 12 AM PDT            3.07             10         0      Not Applicable
  04/10/2026 01 AM PDT            3.07             10         0      Not Applicable
  04/10/2026 02 AM PDT            3.07             10         0      Not Applicable
  04/10/2026 03 AM PDT            3.07             10         0      Not Applicable
  04/10/2026 04 AM PDT            3.07             10         0      Not Applicable
  04/10/2026 05 AM PDT            3.06              9         -      Not Applicable
  04/10/2026 06 AM PDT            3.06              9         0      Not Applicable
  04/10/2026 07 AM PDT            3.06              9         0      Not Applicable
  04/10/2026 08 AM PDT            3.06              9         0      Not Applicable
  04/10/2026 09 AM PDT            3.06              9         0      Not Applicable
  04/10/2026 10 AM PDT            3.06              9         0      Not Applicable
  04/10/2026 11 AM PDT            3.06              9         0      Not Applicable
  04/10/2026 12 PM PDT            3.06              9         0      Not Applicable
  04/10/2026 01 PM PDT            3.06              9         0      Not Applicable
  04/10/2026 02 PM PDT            3.06              9         0      Not Applicable
  04/10/2026 03 PM PDT            3.06              9         0      Not Applicable
  04/10/2026 04 PM PDT            3.06              9         0      Not Applicable
  04/10/2026 05 PM PDT            3.06              9         0      Not Applicable
  04/10/2026 06 PM PDT            3.06              9         0      Not Applicable
  04/10/2026 07 PM PDT            3.06              9         0      Not Applicable
  04/10/2026 08 PM PDT            3.06              9         0      Not Applicable
  04/10/2026 09 PM PDT            3.06              9         0      Not Applicable
  04/10/2026 10 PM PDT            3.06              9         0      Not Applicable
  04/10/2026 11 PM PDT            3.06              9         0      Not Applicable
  04/11/2026 12 AM PDT            3.06              9         0      Not Applicable
  04/11/2026 01 AM PDT            3.06              9         0      Not Applicable
  04/11/2026 02 AM PDT            3.06              9         0      Not Applicable
  04/11/2026 03 AM PDT            3.06              9         0      Not Applicable
  04/11/2026 04 AM PDT            3.06              9         0      Not Applicable
  04/11/2026 05 AM PDT            3.06              9         0      Not Applicable
  04/11/2026 06 AM PDT            3.06              9         0      Not Applicable
  04/11/2026 07 AM PDT            3.06              9         0      Not Applicable
  04/11/2026 08 AM PDT            3.06              9         0      Not Applicable
  04/11/2026 09 AM PDT            3.06              9         0      Not Applicable
  04/11/2026 10 AM PDT            3.06              9         0      Not Applicable
  04/11/2026 11 AM PDT            3.06              9         0      Not Applicable
  04/11/2026 12 PM PDT            3.06              9         0      Not Applicable
  04/11/2026 01 PM PDT            3.06              9         0      Not Applicable
  04/11/2026 02 PM PDT            3.06              9         0      Not Applicable
  04/11/2026 03 PM PDT            3.06              9         0      Not Applicable
  04/11/2026 04 PM PDT            3.06              9         0      Not Applicable
  04/11/2026 05 PM PDT            3.06              9         0      Not Applicable
  04/11/2026 06 PM PDT            3.06              9         0      Not Applicable
  04/11/2026 07 PM PDT            3.06              9         0      Not Applicable
  04/11/2026 08 PM PDT            3.06              9         0      Not Applicable
  04/11/2026 09 PM PDT            3.06              9         0      Not Applicable
  04/11/2026 10 PM PDT            3.06              9         0      Not Applicable
  04/11/2026 11 PM PDT            3.06              9         0      Not Applicable
  04/12/2026 12 AM PDT            3.06              9         0      Not Applicable
  04/12/2026 01 AM PDT            3.06              9         0      Not Applicable
  04/12/2026 02 AM PDT            3.06              9         0      Not Applicable
  04/12/2026 03 AM PDT            3.06              9         0      Not Applicable
  04/12/2026 04 AM PDT            3.06              9         0      Not Applicable
  04/12/2026 05 AM PDT            3.06              9         0      Not Applicable
  04/12/2026 06 AM PDT            3.06              9         0      Not Applicable
  04/12/2026 07 AM PDT            3.06              9         0      Not Applicable
  04/12/2026 08 AM PDT            3.06              9         0      Not Applicable
  04/12/2026 09 AM PDT            3.06              9         0      Not Applicable
  04/12/2026 10 AM PDT            3.06              9         0      Not Applicable
  04/12/2026 11 AM PDT            3.06              9         0      Not Applicable
  04/12/2026 12 PM PDT            3.07             10         +      Not Applicable
  04/12/2026 01 PM PDT            3.08             10         +      Not Applicable
  04/12/2026 02 PM PDT            3.10             11         +      Not Applicable
  04/12/2026 03 PM PDT            3.15             12         +      Not Applicable
  04/12/2026 04 PM PDT            3.24             16         +      Not Applicable
  04/12/2026 05 PM PDT            3.35             20         +      Not Applicable
  04/12/2026 06 PM PDT            3.48             27         +      Not Applicable
  04/12/2026 07 PM PDT            3.61             35         +      Not Applicable
  04/12/2026 08 PM PDT            3.75             44         +      Not Applicable
  04/12/2026 09 PM PDT            3.92             58         +      Not Applicable
  04/12/2026 10 PM PDT            4.10             74         +      Not Applicable
  04/12/2026 11 PM PDT            4.29             95         +      Not Applicable
  04/13/2026 12 AM PDT            4.48            117         +      Not Applicable
  04/13/2026 01 AM PDT            4.64            139         +      Not Applicable
  04/13/2026 02 AM PDT            4.76            157         +      Not Applicable
  04/13/2026 03 AM PDT            4.85            172         +      Not Applicable
  04/13/2026 04 AM PDT            4.90            181         +      Not Applicable
  04/13/2026 05 AM PDT            4.92            184         +      Not Applicable
  04/13/2026 06 AM PDT            4.92            184         0      Not Applicable
  04/13/2026 07 AM PDT            4.90            181         -      Not Applicable
  04/13/2026 08 AM PDT            4.88            177         -      Not Applicable
  04/13/2026 09 AM PDT            4.85            172         -      Not Applicable
  04/13/2026 10 AM PDT            4.81            166         -      Not Applicable
  04/13/2026 11 AM PDT            4.76            157         -      Not Applicable
  04/13/2026 12 PM PDT            4.71            150         -      Not Applicable
  04/13/2026 01 PM PDT            4.64            139         -      Not Applicable
  04/13/2026 02 PM PDT            4.58            131         -      Not Applicable
  04/13/2026 03 PM PDT            4.50            120         -      Not Applicable
  04/13/2026 04 PM PDT            4.44            112         -      Not Applicable
  04/13/2026 05 PM PDT            4.37            104         -      Not Applicable
  04/13/2026 06 PM PDT            4.31             97         -      Not Applicable
  04/13/2026 07 PM PDT            4.25             90         -      Not Applicable
  04/13/2026 08 PM PDT            4.20             85         -      Not Applicable
  04/13/2026 09 PM PDT            4.16             80         -      Not Applicable
  04/13/2026 10 PM PDT            4.11             75         -      Not Applicable
  04/13/2026 11 PM PDT            4.06             70         -      Not Applicable
  04/14/2026 12 AM PDT            4.02             66         -      Not Applicable
  04/14/2026 01 AM PDT            3.98             63         -      Not Applicable
  04/14/2026 02 AM PDT            3.94             59         -      Not Applicable
  04/14/2026 03 AM PDT            3.91             57         -      Not Applicable
  04/14/2026 04 AM PDT            3.88             54         -      Not Applicable
  04/14/2026 05 AM PDT            3.84             51         -      Not Applicable
#
# 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.