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GUADALUPE RIVER - SAN JOSE AT ALMADEN EXPRESSWAY (GUDC1)
| Latitude: 37.28º N | Longitude: 121.88º W | Elevation: 150 Feet | | Forecast Type: Official Location |
| Location: Santa Clara County in California | Bulletin Group: Central Coast | River Group: South Bay |
| Issuance Time: | Jul 09 2026 at 7:35 AM PDT | Next Issuance: | Jul 10 2026 at 9:00 AM PDT
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| Action/Monitor: 9.0 Feet | Minor Flood: 10.5 Feet | Moderate Flood: 11.5 Feet | Major Flood: 15.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Guadalupe River - San Jose at Almaden Exprwy (GUDC1)
#
# File Generation Time: 07/09/2026 at 07:35 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 07/04/2026 at 11:00 AM PDT
# Maximum Observed Stage: 1.96 Feet
# Maximum Observed Flow: 2 cfs
#
# Earliest Date & Time of Maximum Forecast: 07/09/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 1.64 Feet
# Maximum Forecast Flow: 0 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
07/04/2026 07 AM PDT 1.95 2 Normal
07/04/2026 08 AM PDT 1.96 2 + Normal
07/04/2026 09 AM PDT 1.96 2 0 Normal
07/04/2026 10 AM PDT 1.96 2 0 Normal
07/04/2026 11 AM PDT 1.96 2 0 Normal
07/04/2026 12 PM PDT 1.95 2 - Normal
07/04/2026 01 PM PDT 1.95 2 0 Normal
07/04/2026 02 PM PDT 1.94 2 - Normal
07/04/2026 03 PM PDT 1.93 2 - Normal
07/04/2026 04 PM PDT 1.93 2 0 Normal
07/04/2026 05 PM PDT 1.92 2 - Normal
07/04/2026 06 PM PDT 1.91 1 - Normal
07/04/2026 07 PM PDT 1.90 1 - Normal
07/04/2026 08 PM PDT 1.89 1 - Normal
07/04/2026 09 PM PDT 1.88 1 - Normal
07/04/2026 10 PM PDT 1.88 1 0 Normal
07/04/2026 11 PM PDT 1.87 1 - Normal
07/05/2026 12 AM PDT 1.86 1 - Normal
07/05/2026 01 AM PDT 1.86 1 0 Normal
07/05/2026 02 AM PDT 1.86 1 0 Normal
07/05/2026 03 AM PDT 1.86 1 0 Normal
07/05/2026 04 AM PDT 1.86 1 0 Normal
07/05/2026 05 AM PDT 1.86 1 0 Normal
07/05/2026 06 AM PDT 1.86 1 0 Normal
07/05/2026 07 AM PDT 1.86 1 0 Normal
07/05/2026 08 AM PDT 1.86 1 0 Normal
07/05/2026 09 AM PDT 1.85 1 - Normal
07/05/2026 10 AM PDT 1.85 1 0 Normal
07/05/2026 11 AM PDT 1.85 1 0 Normal
07/05/2026 12 PM PDT 1.84 1 - Normal
07/05/2026 01 PM PDT 1.84 1 0 Normal
07/05/2026 02 PM PDT 1.83 1 - Normal
07/05/2026 03 PM PDT 1.83 1 0 Normal
07/05/2026 04 PM PDT 1.82 1 - Normal
07/05/2026 05 PM PDT 1.81 0 - Normal
07/05/2026 06 PM PDT 1.80 0 - Normal
07/05/2026 07 PM PDT 1.79 0 - Normal
07/05/2026 08 PM PDT 1.78 0 - Normal
07/05/2026 09 PM PDT 1.77 0 - Normal
07/05/2026 10 PM PDT 1.76 0 - Normal
07/05/2026 11 PM PDT 1.75 0 - Normal
07/06/2026 12 AM PDT 1.75 0 0 Normal
07/06/2026 01 AM PDT 1.74 0 - Normal
07/06/2026 02 AM PDT 1.74 0 0 Normal
07/06/2026 03 AM PDT 1.74 0 0 Normal
07/06/2026 04 AM PDT 1.73 0 - Normal
07/06/2026 05 AM PDT 1.73 0 0 Normal
07/06/2026 06 AM PDT 1.74 0 + Normal
07/06/2026 07 AM PDT 1.74 0 0 Normal
07/06/2026 08 AM PDT 1.74 0 0 Normal
07/06/2026 09 AM PDT 1.74 0 0 Normal
07/06/2026 10 AM PDT 1.74 0 0 Normal
07/06/2026 11 AM PDT 1.73 0 - Normal
07/06/2026 12 PM PDT 1.73 0 0 Normal
07/06/2026 01 PM PDT 1.72 0 - Normal
07/06/2026 02 PM PDT 1.72 0 0 Normal
07/06/2026 03 PM PDT 1.71 0 - Normal
07/06/2026 04 PM PDT 1.70 0 - Normal
07/06/2026 05 PM PDT 1.69 0 - Normal
07/06/2026 06 PM PDT 1.68 0 - Normal
07/06/2026 07 PM PDT 1.66 0 - Normal
07/06/2026 08 PM PDT 1.65 0 - Normal
07/06/2026 09 PM PDT 1.64 0 - Normal
07/06/2026 10 PM PDT 1.64 0 0 Normal
07/06/2026 11 PM PDT 1.64 0 0 Normal
07/07/2026 12 AM PDT 1.64 0 0 Normal
07/07/2026 01 AM PDT 1.64 0 0 Normal
07/07/2026 02 AM PDT 1.64 0 0 Normal
07/07/2026 03 AM PDT 1.64 0 0 Normal
07/07/2026 04 AM PDT 1.64 0 0 Normal
07/07/2026 05 AM PDT 1.64 0 0 Normal
07/07/2026 06 AM PDT 1.64 0 0 Normal
07/07/2026 07 AM PDT 1.64 0 0 Normal
07/07/2026 08 AM PDT 1.64 0 0 Normal
07/07/2026 09 AM PDT 1.64 0 0 Normal
07/07/2026 10 AM PDT 1.64 0 0 Normal
07/07/2026 11 AM PDT 1.64 0 0 Normal
07/07/2026 12 PM PDT 1.64 0 0 Normal
07/07/2026 01 PM PDT 1.64 0 0 Normal
07/07/2026 02 PM PDT 1.64 0 0 Normal
07/07/2026 03 PM PDT 1.64 0 0 Normal
07/07/2026 04 PM PDT 1.64 0 0 Normal
07/07/2026 05 PM PDT 1.64 0 0 Normal
07/07/2026 06 PM PDT 1.64 0 0 Normal
07/07/2026 07 PM PDT 1.64 0 0 Normal
07/07/2026 08 PM PDT 1.64 0 0 Normal
07/07/2026 09 PM PDT 1.64 0 0 Normal
07/07/2026 10 PM PDT 1.64 0 0 Normal
07/07/2026 11 PM PDT 1.64 0 0 Normal
07/08/2026 12 AM PDT 1.64 0 0 Normal
07/08/2026 01 AM PDT 1.64 0 0 Normal
07/08/2026 02 AM PDT 1.64 0 0 Normal
07/08/2026 03 AM PDT 1.64 0 0 Normal
07/08/2026 04 AM PDT 1.64 0 0 Normal
07/08/2026 05 AM PDT 1.64 0 0 Normal
07/08/2026 06 AM PDT 1.64 0 0 Normal
07/08/2026 07 AM PDT 1.64 0 0 Normal
07/08/2026 08 AM PDT 1.64 0 0 Normal
07/08/2026 09 AM PDT 1.64 0 0 Normal
07/08/2026 10 AM PDT 1.64 0 0 Normal
07/08/2026 11 AM PDT 1.64 0 0 Normal
07/08/2026 12 PM PDT 1.64 0 0 Normal
07/08/2026 01 PM PDT 1.64 0 0 Normal
07/08/2026 02 PM PDT 1.64 0 0 Normal
07/08/2026 03 PM PDT 1.64 0 0 Normal
07/08/2026 04 PM PDT 1.64 0 0 Normal
07/08/2026 05 PM PDT 1.64 0 0 Normal
07/08/2026 06 PM PDT 1.64 0 0 Normal
07/08/2026 07 PM PDT 1.64 0 0 Normal
07/08/2026 08 PM PDT 1.64 0 0 Normal
07/08/2026 09 PM PDT 1.64 0 0 Normal
07/08/2026 10 PM PDT 1.64 0 0 Normal
07/08/2026 11 PM PDT 1.64 0 0 Normal
07/09/2026 12 AM PDT 1.64 0 0 Normal
07/09/2026 01 AM PDT 1.64 0 0 Normal
07/09/2026 02 AM PDT 1.64 0 0 Normal
07/09/2026 03 AM PDT 1.64 0 0 Normal
07/09/2026 04 AM PDT 1.64 0 0 Normal
07/09/2026 05 AM PDT 1.64 0 0 Normal
07/09/2026 06 AM PDT 1.64 0 0 Normal
07/09/2026 07 AM PDT 1.64 0 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
07/09/2026 08 AM PDT 1.64 0 Normal
07/09/2026 09 AM PDT 1.64 0 0 Normal
07/09/2026 10 AM PDT 1.64 0 0 Normal
07/09/2026 11 AM PDT 1.64 0 0 Normal
07/09/2026 12 PM PDT 1.64 0 0 Normal
07/09/2026 01 PM PDT 1.64 0 0 Normal
07/09/2026 02 PM PDT 1.64 0 0 Normal
07/09/2026 03 PM PDT 1.64 0 0 Normal
07/09/2026 04 PM PDT 1.64 0 0 Normal
07/09/2026 05 PM PDT 1.64 0 0 Normal
07/09/2026 06 PM PDT 1.64 0 0 Normal
07/09/2026 07 PM PDT 1.64 0 0 Normal
07/09/2026 08 PM PDT 1.64 0 0 Normal
07/09/2026 09 PM PDT 1.64 0 0 Normal
07/09/2026 10 PM PDT 1.64 0 0 Normal
07/09/2026 11 PM PDT 1.64 0 0 Normal
07/10/2026 12 AM PDT 1.64 0 0 Normal
07/10/2026 01 AM PDT 1.64 0 0 Normal
07/10/2026 02 AM PDT 1.64 0 0 Normal
07/10/2026 03 AM PDT 1.64 0 0 Normal
07/10/2026 04 AM PDT 1.64 0 0 Normal
07/10/2026 05 AM PDT 1.64 0 0 Normal
07/10/2026 06 AM PDT 1.64 0 0 Normal
07/10/2026 07 AM PDT 1.64 0 0 Normal
07/10/2026 08 AM PDT 1.64 0 0 Normal
07/10/2026 09 AM PDT 1.64 0 0 Normal
07/10/2026 10 AM PDT 1.64 0 0 Normal
07/10/2026 11 AM PDT 1.64 0 0 Normal
07/10/2026 12 PM PDT 1.64 0 0 Normal
07/10/2026 01 PM PDT 1.64 0 0 Normal
07/10/2026 02 PM PDT 1.64 0 0 Normal
07/10/2026 03 PM PDT 1.64 0 0 Normal
07/10/2026 04 PM PDT 1.64 0 0 Normal
07/10/2026 05 PM PDT 1.64 0 0 Normal
07/10/2026 06 PM PDT 1.64 0 0 Normal
07/10/2026 07 PM PDT 1.64 0 0 Normal
07/10/2026 08 PM PDT 1.64 0 0 Normal
07/10/2026 09 PM PDT 1.64 0 0 Normal
07/10/2026 10 PM PDT 1.64 0 0 Normal
07/10/2026 11 PM PDT 1.64 0 0 Normal
07/11/2026 12 AM PDT 1.64 0 0 Normal
07/11/2026 01 AM PDT 1.64 0 0 Normal
07/11/2026 02 AM PDT 1.64 0 0 Normal
07/11/2026 03 AM PDT 1.64 0 0 Normal
07/11/2026 04 AM PDT 1.64 0 0 Normal
07/11/2026 05 AM PDT 1.64 0 0 Normal
07/11/2026 06 AM PDT 1.64 0 0 Normal
07/11/2026 07 AM PDT 1.64 0 0 Normal
07/11/2026 08 AM PDT 1.64 0 0 Normal
07/11/2026 09 AM PDT 1.64 0 0 Normal
07/11/2026 10 AM PDT 1.64 0 0 Normal
07/11/2026 11 AM PDT 1.64 0 0 Normal
07/11/2026 12 PM PDT 1.64 0 0 Normal
07/11/2026 01 PM PDT 1.64 0 0 Normal
07/11/2026 02 PM PDT 1.64 0 0 Normal
07/11/2026 03 PM PDT 1.64 0 0 Normal
07/11/2026 04 PM PDT 1.64 0 0 Normal
07/11/2026 05 PM PDT 1.64 0 0 Normal
07/11/2026 06 PM PDT 1.64 0 0 Normal
07/11/2026 07 PM PDT 1.64 0 0 Normal
07/11/2026 08 PM PDT 1.64 0 0 Normal
07/11/2026 09 PM PDT 1.64 0 0 Normal
07/11/2026 10 PM PDT 1.64 0 0 Normal
07/11/2026 11 PM PDT 1.64 0 0 Normal
07/12/2026 12 AM PDT 1.64 0 0 Normal
07/12/2026 01 AM PDT 1.64 0 0 Normal
07/12/2026 02 AM PDT 1.64 0 0 Normal
07/12/2026 03 AM PDT 1.64 0 0 Normal
07/12/2026 04 AM PDT 1.64 0 0 Normal
07/12/2026 05 AM PDT 1.64 0 0 Normal
07/12/2026 06 AM PDT 1.64 0 0 Normal
07/12/2026 07 AM PDT 1.64 0 0 Normal
07/12/2026 08 AM PDT 1.64 0 0 Normal
07/12/2026 09 AM PDT 1.64 0 0 Normal
07/12/2026 10 AM PDT 1.64 0 0 Normal
07/12/2026 11 AM PDT 1.64 0 0 Normal
07/12/2026 12 PM PDT 1.64 0 0 Normal
07/12/2026 01 PM PDT 1.64 0 0 Normal
07/12/2026 02 PM PDT 1.64 0 0 Normal
07/12/2026 03 PM PDT 1.64 0 0 Normal
07/12/2026 04 PM PDT 1.64 0 0 Normal
07/12/2026 05 PM PDT 1.64 0 0 Normal
07/12/2026 06 PM PDT 1.64 0 0 Normal
07/12/2026 07 PM PDT 1.64 0 0 Normal
07/12/2026 08 PM PDT 1.64 0 0 Normal
07/12/2026 09 PM PDT 1.64 0 0 Normal
07/12/2026 10 PM PDT 1.64 0 0 Normal
07/12/2026 11 PM PDT 1.64 0 0 Normal
07/13/2026 12 AM PDT 1.64 0 0 Normal
07/13/2026 01 AM PDT 1.64 0 0 Normal
07/13/2026 02 AM PDT 1.64 0 0 Normal
07/13/2026 03 AM PDT 1.64 0 0 Normal
07/13/2026 04 AM PDT 1.64 0 0 Normal
07/13/2026 05 AM PDT 1.64 0 0 Normal
07/13/2026 06 AM PDT 1.64 0 0 Normal
07/13/2026 07 AM PDT 1.64 0 0 Normal
07/13/2026 08 AM PDT 1.64 0 0 Normal
07/13/2026 09 AM PDT 1.64 0 0 Normal
07/13/2026 10 AM PDT 1.64 0 0 Normal
07/13/2026 11 AM PDT 1.64 0 0 Normal
07/13/2026 12 PM PDT 1.64 0 0 Normal
07/13/2026 01 PM PDT 1.64 0 0 Normal
07/13/2026 02 PM PDT 1.64 0 0 Normal
07/13/2026 03 PM PDT 1.64 0 0 Normal
07/13/2026 04 PM PDT 1.64 0 0 Normal
07/13/2026 05 PM PDT 1.64 0 0 Normal
07/13/2026 06 PM PDT 1.64 0 0 Normal
07/13/2026 07 PM PDT 1.64 0 0 Normal
07/13/2026 08 PM PDT 1.64 0 0 Normal
07/13/2026 09 PM PDT 1.64 0 0 Normal
07/13/2026 10 PM PDT 1.64 0 0 Normal
07/13/2026 11 PM PDT 1.64 0 0 Normal
07/14/2026 12 AM PDT 1.64 0 0 Normal
07/14/2026 01 AM PDT 1.64 0 0 Normal
07/14/2026 02 AM PDT 1.64 0 0 Normal
07/14/2026 03 AM PDT 1.64 0 0 Normal
07/14/2026 04 AM PDT 1.64 0 0 Normal
07/14/2026 05 AM PDT 1.64 0 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.
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