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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: | Jun 11 2026 at 7:32 AM PDT | Next Issuance: | Jun 12 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: 06/11/2026 at 07:32 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 06/11/2026 at 07:00 AM PDT
# Maximum Observed Stage: 1.81 Feet
# Maximum Observed Flow: 18 cfs
#
# Earliest Date & Time of Maximum Forecast: 06/11/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 1.81 Feet
# Maximum Forecast Flow: 18 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
06/06/2026 07 AM PDT 1.54 3 Normal
06/06/2026 08 AM PDT 1.54 3 0 Normal
06/06/2026 09 AM PDT 1.55 3 + Normal
06/06/2026 10 AM PDT 1.55 3 0 Normal
06/06/2026 11 AM PDT 1.55 3 0 Normal
06/06/2026 12 PM PDT 1.54 3 - Normal
06/06/2026 01 PM PDT 1.54 3 0 Normal
06/06/2026 02 PM PDT 1.54 3 0 Normal
06/06/2026 03 PM PDT 1.54 3 0 Normal
06/06/2026 04 PM PDT 1.54 3 0 Normal
06/06/2026 05 PM PDT 1.54 3 0 Normal
06/06/2026 06 PM PDT 1.54 3 0 Normal
06/06/2026 07 PM PDT 1.53 3 - Normal
06/06/2026 08 PM PDT 1.53 3 0 Normal
06/06/2026 09 PM PDT 1.53 3 0 Normal
06/06/2026 10 PM PDT 1.54 3 + Normal
06/06/2026 11 PM PDT 1.55 3 + Normal
06/07/2026 12 AM PDT 1.56 3 + Normal
06/07/2026 01 AM PDT 1.56 3 0 Normal
06/07/2026 02 AM PDT 1.56 3 0 Normal
06/07/2026 03 AM PDT 1.56 3 0 Normal
06/07/2026 04 AM PDT 1.57 4 + Normal
06/07/2026 05 AM PDT 1.58 4 + Normal
06/07/2026 06 AM PDT 1.58 4 0 Normal
06/07/2026 07 AM PDT 1.59 4 + Normal
06/07/2026 08 AM PDT 1.59 4 0 Normal
06/07/2026 09 AM PDT 1.59 4 0 Normal
06/07/2026 10 AM PDT 1.59 4 0 Normal
06/07/2026 11 AM PDT 1.59 4 0 Normal
06/07/2026 12 PM PDT 1.59 4 0 Normal
06/07/2026 01 PM PDT 1.59 4 0 Normal
06/07/2026 02 PM PDT 1.59 4 0 Normal
06/07/2026 03 PM PDT 1.58 4 - Normal
06/07/2026 04 PM PDT 1.58 4 0 Normal
06/07/2026 05 PM PDT 1.58 4 0 Normal
06/07/2026 06 PM PDT 1.58 4 0 Normal
06/07/2026 07 PM PDT 1.58 4 0 Normal
06/07/2026 08 PM PDT 1.58 4 0 Normal
06/07/2026 09 PM PDT 1.58 4 0 Normal
06/07/2026 10 PM PDT 1.58 4 0 Normal
06/07/2026 11 PM PDT 1.58 4 0 Normal
06/08/2026 12 AM PDT 1.58 4 0 Normal
06/08/2026 01 AM PDT 1.58 4 0 Normal
06/08/2026 02 AM PDT 1.59 4 + Normal
06/08/2026 03 AM PDT 1.59 4 0 Normal
06/08/2026 04 AM PDT 1.60 4 + Normal
06/08/2026 05 AM PDT 1.60 4 0 Normal
06/08/2026 06 AM PDT 1.61 5 + Normal
06/08/2026 07 AM PDT 1.61 5 0 Normal
06/08/2026 08 AM PDT 1.62 5 + Normal
06/08/2026 09 AM PDT 1.62 5 0 Normal
06/08/2026 10 AM PDT 1.62 5 0 Normal
06/08/2026 11 AM PDT 1.62 5 0 Normal
06/08/2026 12 PM PDT 1.62 5 0 Normal
06/08/2026 01 PM PDT 1.61 5 - Normal
06/08/2026 02 PM PDT 1.61 5 0 Normal
06/08/2026 03 PM PDT 1.60 4 - Normal
06/08/2026 04 PM PDT 1.60 4 0 Normal
06/08/2026 05 PM PDT 1.60 4 0 Normal
06/08/2026 06 PM PDT 1.60 4 0 Normal
06/08/2026 07 PM PDT 1.60 4 0 Normal
06/08/2026 08 PM PDT 1.60 4 0 Normal
06/08/2026 09 PM PDT 1.60 4 0 Normal
06/08/2026 10 PM PDT 1.60 4 0 Normal
06/08/2026 11 PM PDT 1.61 5 + Normal
06/09/2026 12 AM PDT 1.61 5 0 Normal
06/09/2026 01 AM PDT 1.63 5 + Normal
06/09/2026 02 AM PDT 1.65 6 + Normal
06/09/2026 03 AM PDT 1.66 6 + Normal
06/09/2026 04 AM PDT 1.67 6 + Normal
06/09/2026 05 AM PDT 1.68 7 + Normal
06/09/2026 06 AM PDT 1.69 7 + Normal
06/09/2026 07 AM PDT 1.69 7 0 Normal
06/09/2026 08 AM PDT 1.69 7 0 Normal
06/09/2026 09 AM PDT 1.69 7 0 Normal
06/09/2026 10 AM PDT 1.69 7 0 Normal
06/09/2026 11 AM PDT 1.69 7 0 Normal
06/09/2026 12 PM PDT 1.69 7 0 Normal
06/09/2026 01 PM PDT 1.68 7 - Normal
06/09/2026 02 PM PDT 1.68 7 0 Normal
06/09/2026 03 PM PDT 1.68 7 0 Normal
06/09/2026 04 PM PDT 1.67 6 - Normal
06/09/2026 05 PM PDT 1.67 6 0 Normal
06/09/2026 06 PM PDT 1.67 6 0 Normal
06/09/2026 07 PM PDT 1.68 7 + Normal
06/09/2026 08 PM PDT 1.68 7 0 Normal
06/09/2026 09 PM PDT 1.68 7 0 Normal
06/09/2026 10 PM PDT 1.68 7 0 Normal
06/09/2026 11 PM PDT 1.70 8 + Normal
06/10/2026 12 AM PDT 1.70 8 0 Normal
06/10/2026 01 AM PDT 1.71 8 + Normal
06/10/2026 02 AM PDT 1.72 9 + Normal
06/10/2026 03 AM PDT 1.72 9 0 Normal
06/10/2026 04 AM PDT 1.73 10 + Normal
06/10/2026 05 AM PDT 1.73 10 0 Normal
06/10/2026 06 AM PDT 1.74 11 + Normal
06/10/2026 07 AM PDT 1.74 11 0 Normal
06/10/2026 08 AM PDT 1.75 12 + Normal
06/10/2026 09 AM PDT 1.75 12 0 Normal
06/10/2026 10 AM PDT 1.75 12 0 Normal
06/10/2026 11 AM PDT 1.75 12 0 Normal
06/10/2026 12 PM PDT 1.74 11 - Normal
06/10/2026 01 PM PDT 1.74 11 0 Normal
06/10/2026 02 PM PDT 1.74 11 0 Normal
06/10/2026 03 PM PDT 1.74 11 0 Normal
06/10/2026 04 PM PDT 1.74 11 0 Normal
06/10/2026 05 PM PDT 1.74 11 0 Normal
06/10/2026 06 PM PDT 1.74 11 0 Normal
06/10/2026 07 PM PDT 1.74 11 0 Normal
06/10/2026 08 PM PDT 1.74 11 0 Normal
06/10/2026 09 PM PDT 1.75 12 + Normal
06/10/2026 10 PM PDT 1.75 12 0 Normal
06/10/2026 11 PM PDT 1.77 14 + Normal
06/11/2026 12 AM PDT 1.77 14 0 Normal
06/11/2026 01 AM PDT 1.78 15 + Normal
06/11/2026 02 AM PDT 1.79 16 + Normal
06/11/2026 03 AM PDT 1.79 16 0 Normal
06/11/2026 04 AM PDT 1.80 17 + Normal
06/11/2026 05 AM PDT 1.80 17 0 Normal
06/11/2026 06 AM PDT 1.81 18 + Normal
06/11/2026 07 AM PDT 1.81 18 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
06/11/2026 08 AM PDT 1.81 18 Normal
06/11/2026 09 AM PDT 1.81 18 0 Normal
06/11/2026 10 AM PDT 1.81 18 0 Normal
06/11/2026 11 AM PDT 1.81 18 0 Normal
06/11/2026 12 PM PDT 1.81 18 0 Normal
06/11/2026 01 PM PDT 1.81 18 0 Normal
06/11/2026 02 PM PDT 1.81 18 0 Normal
06/11/2026 03 PM PDT 1.81 18 0 Normal
06/11/2026 04 PM PDT 1.81 18 0 Normal
06/11/2026 05 PM PDT 1.81 18 0 Normal
06/11/2026 06 PM PDT 1.81 18 0 Normal
06/11/2026 07 PM PDT 1.81 18 0 Normal
06/11/2026 08 PM PDT 1.81 18 0 Normal
06/11/2026 09 PM PDT 1.81 18 0 Normal
06/11/2026 10 PM PDT 1.81 18 0 Normal
06/11/2026 11 PM PDT 1.81 18 0 Normal
06/12/2026 12 AM PDT 1.81 18 0 Normal
06/12/2026 01 AM PDT 1.81 18 0 Normal
06/12/2026 02 AM PDT 1.81 18 0 Normal
06/12/2026 03 AM PDT 1.81 18 0 Normal
06/12/2026 04 AM PDT 1.81 18 0 Normal
06/12/2026 05 AM PDT 1.80 17 - Normal
06/12/2026 06 AM PDT 1.80 17 0 Normal
06/12/2026 07 AM PDT 1.80 17 0 Normal
06/12/2026 08 AM PDT 1.80 17 0 Normal
06/12/2026 09 AM PDT 1.80 17 0 Normal
06/12/2026 10 AM PDT 1.80 17 0 Normal
06/12/2026 11 AM PDT 1.80 17 0 Normal
06/12/2026 12 PM PDT 1.80 17 0 Normal
06/12/2026 01 PM PDT 1.80 17 0 Normal
06/12/2026 02 PM PDT 1.80 17 0 Normal
06/12/2026 03 PM PDT 1.80 17 0 Normal
06/12/2026 04 PM PDT 1.80 17 0 Normal
06/12/2026 05 PM PDT 1.80 17 0 Normal
06/12/2026 06 PM PDT 1.80 17 0 Normal
06/12/2026 07 PM PDT 1.80 17 0 Normal
06/12/2026 08 PM PDT 1.80 17 0 Normal
06/12/2026 09 PM PDT 1.80 17 0 Normal
06/12/2026 10 PM PDT 1.80 17 0 Normal
06/12/2026 11 PM PDT 1.80 17 0 Normal
06/13/2026 12 AM PDT 1.80 17 0 Normal
06/13/2026 01 AM PDT 1.80 17 0 Normal
06/13/2026 02 AM PDT 1.80 17 0 Normal
06/13/2026 03 AM PDT 1.80 17 0 Normal
06/13/2026 04 AM PDT 1.80 17 0 Normal
06/13/2026 05 AM PDT 1.80 17 0 Normal
06/13/2026 06 AM PDT 1.80 17 0 Normal
06/13/2026 07 AM PDT 1.80 17 0 Normal
06/13/2026 08 AM PDT 1.80 17 0 Normal
06/13/2026 09 AM PDT 1.80 17 0 Normal
06/13/2026 10 AM PDT 1.80 17 0 Normal
06/13/2026 11 AM PDT 1.80 17 0 Normal
06/13/2026 12 PM PDT 1.80 17 0 Normal
06/13/2026 01 PM PDT 1.80 17 0 Normal
06/13/2026 02 PM PDT 1.80 17 0 Normal
06/13/2026 03 PM PDT 1.80 17 0 Normal
06/13/2026 04 PM PDT 1.80 17 0 Normal
06/13/2026 05 PM PDT 1.80 17 0 Normal
06/13/2026 06 PM PDT 1.80 17 0 Normal
06/13/2026 07 PM PDT 1.80 17 0 Normal
06/13/2026 08 PM PDT 1.80 17 0 Normal
06/13/2026 09 PM PDT 1.80 17 0 Normal
06/13/2026 10 PM PDT 1.80 17 0 Normal
06/13/2026 11 PM PDT 1.80 17 0 Normal
06/14/2026 12 AM PDT 1.80 17 0 Normal
06/14/2026 01 AM PDT 1.80 17 0 Normal
06/14/2026 02 AM PDT 1.80 17 0 Normal
06/14/2026 03 AM PDT 1.80 17 0 Normal
06/14/2026 04 AM PDT 1.80 17 0 Normal
06/14/2026 05 AM PDT 1.80 17 0 Normal
06/14/2026 06 AM PDT 1.80 17 0 Normal
06/14/2026 07 AM PDT 1.80 17 0 Normal
06/14/2026 08 AM PDT 1.80 17 0 Normal
06/14/2026 09 AM PDT 1.79 16 - Normal
06/14/2026 10 AM PDT 1.79 16 0 Normal
06/14/2026 11 AM PDT 1.79 16 0 Normal
06/14/2026 12 PM PDT 1.79 16 0 Normal
06/14/2026 01 PM PDT 1.79 16 0 Normal
06/14/2026 02 PM PDT 1.79 16 0 Normal
06/14/2026 03 PM PDT 1.79 16 0 Normal
06/14/2026 04 PM PDT 1.79 16 0 Normal
06/14/2026 05 PM PDT 1.79 16 0 Normal
06/14/2026 06 PM PDT 1.79 16 0 Normal
06/14/2026 07 PM PDT 1.79 16 0 Normal
06/14/2026 08 PM PDT 1.79 16 0 Normal
06/14/2026 09 PM PDT 1.79 16 0 Normal
06/14/2026 10 PM PDT 1.79 16 0 Normal
06/14/2026 11 PM PDT 1.79 16 0 Normal
06/15/2026 12 AM PDT 1.79 16 0 Normal
06/15/2026 01 AM PDT 1.79 16 0 Normal
06/15/2026 02 AM PDT 1.79 16 0 Normal
06/15/2026 03 AM PDT 1.79 16 0 Normal
06/15/2026 04 AM PDT 1.79 16 0 Normal
06/15/2026 05 AM PDT 1.79 16 0 Normal
06/15/2026 06 AM PDT 1.79 16 0 Normal
06/15/2026 07 AM PDT 1.79 16 0 Normal
06/15/2026 08 AM PDT 1.79 16 0 Normal
06/15/2026 09 AM PDT 1.79 16 0 Normal
06/15/2026 10 AM PDT 1.79 16 0 Normal
06/15/2026 11 AM PDT 1.79 16 0 Normal
06/15/2026 12 PM PDT 1.79 16 0 Normal
06/15/2026 01 PM PDT 1.79 16 0 Normal
06/15/2026 02 PM PDT 1.79 16 0 Normal
06/15/2026 03 PM PDT 1.79 16 0 Normal
06/15/2026 04 PM PDT 1.79 16 0 Normal
06/15/2026 05 PM PDT 1.79 16 0 Normal
06/15/2026 06 PM PDT 1.79 16 0 Normal
06/15/2026 07 PM PDT 1.79 16 0 Normal
06/15/2026 08 PM PDT 1.79 16 0 Normal
06/15/2026 09 PM PDT 1.79 16 0 Normal
06/15/2026 10 PM PDT 1.79 16 0 Normal
06/15/2026 11 PM PDT 1.79 16 0 Normal
06/16/2026 12 AM PDT 1.79 16 0 Normal
06/16/2026 01 AM PDT 1.79 16 0 Normal
06/16/2026 02 AM PDT 1.79 16 0 Normal
06/16/2026 03 AM PDT 1.79 16 0 Normal
06/16/2026 04 AM PDT 1.79 16 0 Normal
06/16/2026 05 AM PDT 1.79 16 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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