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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: | Mar 06 2026 at 12:57 PM PST | Next Issuance: | Mar 07 2026 at 9:00 AM PST
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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: 03/06/2026 at 12:57 PM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 03/03/2026 at 07:00 PM PST
# Maximum Observed Stage: 2.14 Feet
# Maximum Observed Flow: 60 cfs
#
# Earliest Date & Time of Maximum Forecast: 03/06/2026 at 01:00 PM PST
# Maximum Forecast Stage: 1.91 Feet
# Maximum Forecast Flow: 39 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
03/01/2026 12 PM PST 1.80 30 Normal
03/01/2026 01 PM PST 1.81 31 + Normal
03/01/2026 02 PM PST 1.83 32 + Normal
03/01/2026 03 PM PST 1.87 36 + Normal
03/01/2026 04 PM PST 1.91 39 + Normal
03/01/2026 05 PM PST 1.96 43 + Normal
03/01/2026 06 PM PST 1.98 45 + Normal
03/01/2026 07 PM PST 2.00 46 + Normal
03/01/2026 08 PM PST 2.02 48 + Normal
03/01/2026 09 PM PST 2.04 50 + Normal
03/01/2026 10 PM PST 2.06 52 + Normal
03/01/2026 11 PM PST 2.07 53 + Normal
03/02/2026 12 AM PST 2.08 54 + Normal
03/02/2026 01 AM PST 2.09 55 + Normal
03/02/2026 02 AM PST 2.09 55 0 Normal
03/02/2026 03 AM PST 2.10 56 + Normal
03/02/2026 04 AM PST 2.11 57 + Normal
03/02/2026 05 AM PST 2.12 58 + Normal
03/02/2026 06 AM PST 2.11 57 - Normal
03/02/2026 07 AM PST 2.12 58 + Normal
03/02/2026 08 AM PST 2.12 58 0 Normal
03/02/2026 09 AM PST 2.11 57 - Normal
03/02/2026 10 AM PST 2.11 57 0 Normal
03/02/2026 11 AM PST 2.12 58 + Normal
03/02/2026 12 PM PST 2.12 58 0 Normal
03/02/2026 01 PM PST 2.13 59 + Normal
03/02/2026 02 PM PST 2.12 58 - Normal
03/02/2026 03 PM PST 2.13 59 + Normal
03/02/2026 04 PM PST 2.13 59 0 Normal
03/02/2026 05 PM PST 2.13 59 0 Normal
03/02/2026 06 PM PST 2.14 60 + Normal
03/02/2026 07 PM PST 2.14 60 0 Normal
03/02/2026 08 PM PST 2.13 59 - Normal
03/02/2026 09 PM PST 2.13 59 0 Normal
03/02/2026 10 PM PST 2.13 59 0 Normal
03/02/2026 11 PM PST 2.13 59 0 Normal
03/03/2026 12 AM PST 2.13 59 0 Normal
03/03/2026 01 AM PST 2.13 59 0 Normal
03/03/2026 02 AM PST 2.13 59 0 Normal
03/03/2026 03 AM PST 2.13 59 0 Normal
03/03/2026 04 AM PST 2.13 59 0 Normal
03/03/2026 05 AM PST 2.13 59 0 Normal
03/03/2026 06 AM PST 2.13 59 0 Normal
03/03/2026 07 AM PST 2.12 58 - Normal
03/03/2026 08 AM PST 2.13 59 + Normal
03/03/2026 09 AM PST 2.12 58 - Normal
03/03/2026 10 AM PST 2.12 58 0 Normal
03/03/2026 11 AM PST 2.13 59 + Normal
03/03/2026 12 PM PST 2.13 59 0 Normal
03/03/2026 01 PM PST 2.14 60 + Normal
03/03/2026 02 PM PST 2.13 59 - Normal
03/03/2026 03 PM PST 2.13 59 0 Normal
03/03/2026 04 PM PST 2.13 59 0 Normal
03/03/2026 05 PM PST 2.13 59 0 Normal
03/03/2026 06 PM PST 2.14 60 + Normal
03/03/2026 07 PM PST 2.14 60 0 Normal
03/03/2026 08 PM PST 2.13 59 - Normal
03/03/2026 09 PM PST 2.13 59 0 Normal
03/03/2026 10 PM PST 2.12 58 - Normal
03/03/2026 11 PM PST 2.12 58 0 Normal
03/04/2026 12 AM PST 2.12 58 0 Normal
03/04/2026 01 AM PST 2.13 59 + Normal
03/04/2026 02 AM PST 2.13 59 0 Normal
03/04/2026 03 AM PST 2.12 58 - Normal
03/04/2026 04 AM PST 2.12 58 0 Normal
03/04/2026 05 AM PST 2.12 58 0 Normal
03/04/2026 06 AM PST 2.12 58 0 Normal
03/04/2026 07 AM PST 2.12 58 0 Normal
03/04/2026 08 AM PST 2.12 58 0 Normal
03/04/2026 09 AM PST 2.12 58 0 Normal
03/04/2026 10 AM PST 2.12 58 0 Normal
03/04/2026 11 AM PST 2.12 58 0 Normal
03/04/2026 12 PM PST 2.13 59 + Normal
03/04/2026 01 PM PST 2.13 59 0 Normal
03/04/2026 02 PM PST 2.13 59 0 Normal
03/04/2026 03 PM PST 2.12 58 - Normal
03/04/2026 04 PM PST 2.11 57 - Normal
03/04/2026 05 PM PST 2.12 58 + Normal
03/04/2026 06 PM PST 2.13 59 + Normal
03/04/2026 07 PM PST 2.12 58 - Normal
03/04/2026 08 PM PST 2.12 58 0 Normal
03/04/2026 09 PM PST 2.11 57 - Normal
03/04/2026 10 PM PST 2.11 57 0 Normal
03/04/2026 11 PM PST 2.11 57 0 Normal
03/05/2026 12 AM PST 2.11 57 0 Normal
03/05/2026 01 AM PST 2.12 58 + Normal
03/05/2026 02 AM PST 2.11 57 - Normal
03/05/2026 03 AM PST 2.11 57 0 Normal
03/05/2026 04 AM PST 2.11 57 0 Normal
03/05/2026 05 AM PST 2.12 58 + Normal
03/05/2026 06 AM PST 2.12 58 0 Normal
03/05/2026 07 AM PST 2.11 57 - Normal
03/05/2026 08 AM PST 2.11 57 0 Normal
03/05/2026 09 AM PST 2.10 56 - Normal
03/05/2026 10 AM PST 2.11 57 + Normal
03/05/2026 11 AM PST 2.12 58 + Normal
03/05/2026 12 PM PST 2.12 58 0 Normal
03/05/2026 01 PM PST 2.12 58 0 Normal
03/05/2026 02 PM PST 2.11 57 - Normal
03/05/2026 03 PM PST 2.08 54 - Normal
03/05/2026 04 PM PST 2.07 53 - Normal
03/05/2026 05 PM PST 2.06 52 - Normal
03/05/2026 06 PM PST 2.05 51 - Normal
03/05/2026 07 PM PST 2.04 50 - Normal
03/05/2026 08 PM PST 2.02 48 - Normal
03/05/2026 09 PM PST 2.01 47 - Normal
03/05/2026 10 PM PST 2.00 46 - Normal
03/05/2026 11 PM PST 1.99 46 - Normal
03/06/2026 12 AM PST 1.98 45 - Normal
03/06/2026 01 AM PST 1.98 45 0 Normal
03/06/2026 02 AM PST 1.98 45 0 Normal
03/06/2026 03 AM PST 1.97 44 - Normal
03/06/2026 04 AM PST 1.97 44 0 Normal
03/06/2026 05 AM PST 1.95 42 - Normal
03/06/2026 06 AM PST 1.94 41 - Normal
03/06/2026 07 AM PST 1.93 40 - Normal
03/06/2026 08 AM PST 1.91 39 - Normal
03/06/2026 09 AM PST 1.90 38 - Normal
03/06/2026 10 AM PST 1.91 39 + Normal
03/06/2026 11 AM PST 1.91 39 0 Normal
03/06/2026 12 PM PST 1.91 39 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
03/06/2026 01 PM PST 1.91 39 Normal
03/06/2026 02 PM PST 1.91 39 0 Normal
03/06/2026 03 PM PST 1.84 33 - Normal
03/06/2026 04 PM PST 1.83 32 - Normal
03/06/2026 05 PM PST 1.83 32 0 Normal
03/06/2026 06 PM PST 1.83 32 0 Normal
03/06/2026 07 PM PST 1.83 32 0 Normal
03/06/2026 08 PM PST 1.83 32 0 Normal
03/06/2026 09 PM PST 1.83 32 0 Normal
03/06/2026 10 PM PST 1.83 32 0 Normal
03/06/2026 11 PM PST 1.83 32 0 Normal
03/07/2026 12 AM PST 1.83 32 0 Normal
03/07/2026 01 AM PST 1.83 32 0 Normal
03/07/2026 02 AM PST 1.83 32 0 Normal
03/07/2026 03 AM PST 1.83 32 0 Normal
03/07/2026 04 AM PST 1.83 32 0 Normal
03/07/2026 05 AM PST 1.83 32 0 Normal
03/07/2026 06 AM PST 1.83 32 0 Normal
03/07/2026 07 AM PST 1.83 32 0 Normal
03/07/2026 08 AM PST 1.83 32 0 Normal
03/07/2026 09 AM PST 1.82 32 - Normal
03/07/2026 10 AM PST 1.82 32 0 Normal
03/07/2026 11 AM PST 1.82 32 0 Normal
03/07/2026 12 PM PST 1.82 32 0 Normal
03/07/2026 01 PM PST 1.82 32 0 Normal
03/07/2026 02 PM PST 1.82 32 0 Normal
03/07/2026 03 PM PST 1.82 32 0 Normal
03/07/2026 04 PM PST 1.82 32 0 Normal
03/07/2026 05 PM PST 1.82 32 0 Normal
03/07/2026 06 PM PST 1.82 32 0 Normal
03/07/2026 07 PM PST 1.82 32 0 Normal
03/07/2026 08 PM PST 1.82 32 0 Normal
03/07/2026 09 PM PST 1.82 32 0 Normal
03/07/2026 10 PM PST 1.82 32 0 Normal
03/07/2026 11 PM PST 1.82 32 0 Normal
03/08/2026 12 AM PST 1.82 32 0 Normal
03/08/2026 01 AM PST 1.82 32 0 Normal
03/08/2026 03 AM PDT 1.82 32 0 Normal
03/08/2026 04 AM PDT 1.82 32 0 Normal
03/08/2026 05 AM PDT 1.82 32 0 Normal
03/08/2026 06 AM PDT 1.82 32 0 Normal
03/08/2026 07 AM PDT 1.82 32 0 Normal
03/08/2026 08 AM PDT 1.82 32 0 Normal
03/08/2026 09 AM PDT 1.82 32 0 Normal
03/08/2026 10 AM PDT 1.82 32 0 Normal
03/08/2026 11 AM PDT 1.82 32 0 Normal
03/08/2026 12 PM PDT 1.81 31 - Normal
03/08/2026 01 PM PDT 1.81 31 0 Normal
03/08/2026 02 PM PDT 1.81 31 0 Normal
03/08/2026 03 PM PDT 1.81 31 0 Normal
03/08/2026 04 PM PDT 1.81 31 0 Normal
03/08/2026 05 PM PDT 1.81 31 0 Normal
03/08/2026 06 PM PDT 1.81 31 0 Normal
03/08/2026 07 PM PDT 1.81 31 0 Normal
03/08/2026 08 PM PDT 1.81 31 0 Normal
03/08/2026 09 PM PDT 1.81 31 0 Normal
03/08/2026 10 PM PDT 1.81 31 0 Normal
03/08/2026 11 PM PDT 1.81 31 0 Normal
03/09/2026 12 AM PDT 1.81 31 0 Normal
03/09/2026 01 AM PDT 1.81 31 0 Normal
03/09/2026 02 AM PDT 1.81 31 0 Normal
03/09/2026 03 AM PDT 1.81 31 0 Normal
03/09/2026 04 AM PDT 1.81 31 0 Normal
03/09/2026 05 AM PDT 1.81 31 0 Normal
03/09/2026 06 AM PDT 1.81 31 0 Normal
03/09/2026 07 AM PDT 1.81 31 0 Normal
03/09/2026 08 AM PDT 1.81 31 0 Normal
03/09/2026 09 AM PDT 1.81 31 0 Normal
03/09/2026 10 AM PDT 1.81 31 0 Normal
03/09/2026 11 AM PDT 1.81 31 0 Normal
03/09/2026 12 PM PDT 1.81 31 0 Normal
03/09/2026 01 PM PDT 1.81 31 0 Normal
03/09/2026 02 PM PDT 1.81 31 0 Normal
03/09/2026 03 PM PDT 1.81 31 0 Normal
03/09/2026 04 PM PDT 1.80 30 - Normal
03/09/2026 05 PM PDT 1.80 30 0 Normal
03/09/2026 06 PM PDT 1.80 30 0 Normal
03/09/2026 07 PM PDT 1.80 30 0 Normal
03/09/2026 08 PM PDT 1.80 30 0 Normal
03/09/2026 09 PM PDT 1.80 30 0 Normal
03/09/2026 10 PM PDT 1.80 30 0 Normal
03/09/2026 11 PM PDT 1.80 30 0 Normal
03/10/2026 12 AM PDT 1.80 30 0 Normal
03/10/2026 01 AM PDT 1.80 30 0 Normal
03/10/2026 02 AM PDT 1.80 30 0 Normal
03/10/2026 03 AM PDT 1.80 30 0 Normal
03/10/2026 04 AM PDT 1.80 30 0 Normal
03/10/2026 05 AM PDT 1.80 30 0 Normal
03/10/2026 06 AM PDT 1.80 30 0 Normal
03/10/2026 07 AM PDT 1.80 30 0 Normal
03/10/2026 08 AM PDT 1.80 30 0 Normal
03/10/2026 09 AM PDT 1.80 30 0 Normal
03/10/2026 10 AM PDT 1.80 30 0 Normal
03/10/2026 11 AM PDT 1.80 30 0 Normal
03/10/2026 12 PM PDT 1.80 30 0 Normal
03/10/2026 01 PM PDT 1.80 30 0 Normal
03/10/2026 02 PM PDT 1.80 30 0 Normal
03/10/2026 03 PM PDT 1.80 30 0 Normal
03/10/2026 04 PM PDT 1.80 30 0 Normal
03/10/2026 05 PM PDT 1.80 30 0 Normal
03/10/2026 06 PM PDT 1.80 30 0 Normal
03/10/2026 07 PM PDT 1.80 30 0 Normal
03/10/2026 08 PM PDT 1.80 30 0 Normal
03/10/2026 09 PM PDT 1.80 30 0 Normal
03/10/2026 10 PM PDT 1.80 30 0 Normal
03/10/2026 11 PM PDT 1.80 30 0 Normal
03/11/2026 12 AM PDT 1.80 30 0 Normal
03/11/2026 01 AM PDT 1.79 29 - Normal
03/11/2026 02 AM PDT 1.79 29 0 Normal
03/11/2026 03 AM PDT 1.79 29 0 Normal
03/11/2026 04 AM PDT 1.79 29 0 Normal
03/11/2026 05 AM PDT 1.79 29 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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