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GUADALUPE RIVER - SAN JOSE AT US HIGHWAY 101 (GSJC1)
| Latitude: 37.37º N | Longitude: 121.93º W | Elevation: 72 Feet | | | |
| Location: Santa Clara County in California | Bulletin Group: Central Coast | River Group: South Bay |
| Issuance Time: | Jan 25 2026 at 7:25 AM PST | Next Issuance: | Jan 26 2026 at 9:00 AM PST
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| Action/Monitor: 17.0 Feet | Minor Flood: 18.5 Feet | Moderate Flood: 19.5 Feet | Major Flood: 21.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Guadalupe River - San Jose at US Highway 101 (GSJC1)
#
# File Generation Time: 01/25/2026 at 07:27 AM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 01/24/2026 at 02:00 AM PST
# Maximum Observed Stage: 5.50 Feet
# Maximum Observed Flow: 57 cfs
#
# Earliest Date & Time of Maximum Forecast: 01/25/2026 at 08:00 AM PST
# Maximum Forecast Stage: 5.48 Feet
# Maximum Forecast Flow: 55 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
01/20/2026 07 AM PST 5.47 54 Normal
01/20/2026 08 AM PST 5.48 55 + Normal
01/20/2026 09 AM PST 5.47 54 - Normal
01/20/2026 10 AM PST 5.48 55 + Normal
01/20/2026 11 AM PST 5.48 55 0 Normal
01/20/2026 12 PM PST 5.48 55 0 Normal
01/20/2026 01 PM PST 5.49 56 + Normal
01/20/2026 02 PM PST 5.49 56 0 Normal
01/20/2026 03 PM PST 5.49 56 0 Normal
01/20/2026 04 PM PST 5.49 56 0 Normal
01/20/2026 05 PM PST 5.49 56 0 Normal
01/20/2026 06 PM PST 5.50 57 + Normal
01/20/2026 07 PM PST 5.49 56 - Normal
01/20/2026 08 PM PST 5.48 55 - Normal
01/20/2026 09 PM PST 5.47 54 - Normal
01/20/2026 10 PM PST 5.48 55 + Normal
01/20/2026 11 PM PST 5.48 55 0 Normal
01/21/2026 12 AM PST 5.48 55 0 Normal
01/21/2026 01 AM PST 5.48 55 0 Normal
01/21/2026 02 AM PST 5.49 56 + Normal
01/21/2026 03 AM PST 5.49 56 0 Normal
01/21/2026 04 AM PST 5.48 55 - Normal
01/21/2026 05 AM PST 5.48 55 0 Normal
01/21/2026 06 AM PST 5.48 55 0 Normal
01/21/2026 07 AM PST 5.48 55 0 Normal
01/21/2026 08 AM PST 5.50 57 + Normal
01/21/2026 09 AM PST 5.49 56 - Normal
01/21/2026 10 AM PST 5.48 55 - Normal
01/21/2026 11 AM PST 5.48 55 0 Normal
01/21/2026 12 PM PST 5.48 55 0 Normal
01/21/2026 01 PM PST 5.48 55 0 Normal
01/21/2026 02 PM PST 5.48 55 0 Normal
01/21/2026 03 PM PST 5.48 55 0 Normal
01/21/2026 04 PM PST 5.48 55 0 Normal
01/21/2026 05 PM PST 5.49 56 + Normal
01/21/2026 06 PM PST 5.48 55 - Normal
01/21/2026 07 PM PST 5.48 55 0 Normal
01/21/2026 08 PM PST 5.48 55 0 Normal
01/21/2026 09 PM PST 5.48 55 0 Normal
01/21/2026 10 PM PST 5.48 55 0 Normal
01/21/2026 11 PM PST 5.48 55 0 Normal
01/22/2026 12 AM PST 5.48 55 0 Normal
01/22/2026 01 AM PST 5.49 56 + Normal
01/22/2026 02 AM PST 5.50 57 + Normal
01/22/2026 03 AM PST 5.49 56 - Normal
01/22/2026 04 AM PST 5.48 55 - Normal
01/22/2026 05 AM PST 5.48 55 0 Normal
01/22/2026 06 AM PST 5.48 55 0 Normal
01/22/2026 07 AM PST 5.48 55 0 Normal
01/22/2026 08 AM PST 5.48 55 0 Normal
01/22/2026 09 AM PST 5.48 55 0 Normal
01/22/2026 10 AM PST 5.48 55 0 Normal
01/22/2026 11 AM PST 5.48 55 0 Normal
01/22/2026 12 PM PST 5.48 55 0 Normal
01/22/2026 01 PM PST 5.48 55 0 Normal
01/22/2026 02 PM PST 5.49 56 + Normal
01/22/2026 03 PM PST 5.49 56 0 Normal
01/22/2026 04 PM PST 5.50 57 + Normal
01/22/2026 05 PM PST 5.50 57 0 Normal
01/22/2026 06 PM PST 5.49 56 - Normal
01/22/2026 07 PM PST 5.48 55 - Normal
01/22/2026 08 PM PST 5.48 55 0 Normal
01/22/2026 09 PM PST 5.48 55 0 Normal
01/22/2026 10 PM PST 5.47 54 - Normal
01/22/2026 11 PM PST 5.47 54 0 Normal
01/23/2026 12 AM PST 5.47 54 0 Normal
01/23/2026 01 AM PST 5.47 54 0 Normal
01/23/2026 02 AM PST 5.50 57 + Normal
01/23/2026 03 AM PST 5.49 56 - Normal
01/23/2026 04 AM PST 5.48 55 - Normal
01/23/2026 05 AM PST 5.48 55 0 Normal
01/23/2026 06 AM PST 5.48 55 0 Normal
01/23/2026 07 AM PST 5.50 57 + Normal
01/23/2026 08 AM PST 5.49 56 - Normal
01/23/2026 09 AM PST 5.48 55 - Normal
01/23/2026 10 AM PST 5.48 55 0 Normal
01/23/2026 11 AM PST 5.48 55 0 Normal
01/23/2026 12 PM PST 5.48 55 0 Normal
01/23/2026 01 PM PST 5.48 55 0 Normal
01/23/2026 02 PM PST 5.48 55 0 Normal
01/23/2026 03 PM PST 5.48 55 0 Normal
01/23/2026 04 PM PST 5.48 55 0 Normal
01/23/2026 05 PM PST 5.48 55 0 Normal
01/23/2026 06 PM PST 5.48 55 0 Normal
01/23/2026 07 PM PST 5.48 55 0 Normal
01/23/2026 08 PM PST 5.48 55 0 Normal
01/23/2026 09 PM PST 5.48 55 0 Normal
01/23/2026 10 PM PST 5.48 55 0 Normal
01/23/2026 11 PM PST 5.48 55 0 Normal
01/24/2026 12 AM PST 5.49 56 + Normal
01/24/2026 01 AM PST 5.49 56 0 Normal
01/24/2026 02 AM PST 5.50 57 + Normal
01/24/2026 03 AM PST 5.49 56 - Normal
01/24/2026 04 AM PST 5.49 56 0 Normal
01/24/2026 05 AM PST 5.49 56 0 Normal
01/24/2026 06 AM PST 5.49 56 0 Normal
01/24/2026 07 AM PST 5.48 55 - Normal
01/24/2026 08 AM PST 5.48 55 0 Normal
01/24/2026 09 AM PST 5.48 55 0 Normal
01/24/2026 10 AM PST 5.48 55 0 Normal
01/24/2026 11 AM PST 5.48 55 0 Normal
01/24/2026 12 PM PST 5.48 55 0 Normal
01/24/2026 01 PM PST 5.48 55 0 Normal
01/24/2026 02 PM PST 5.48 55 0 Normal
01/24/2026 03 PM PST 5.48 55 0 Normal
01/24/2026 04 PM PST 5.48 55 0 Normal
01/24/2026 05 PM PST 5.47 54 - Normal
01/24/2026 06 PM PST 5.48 55 + Normal
01/24/2026 07 PM PST 5.47 54 - Normal
01/24/2026 08 PM PST 5.47 54 0 Normal
01/24/2026 09 PM PST 5.47 54 0 Normal
01/24/2026 10 PM PST 5.47 54 0 Normal
01/24/2026 11 PM PST 5.47 54 0 Normal
01/25/2026 12 AM PST 5.46 53 - Normal
01/25/2026 01 AM PST 5.46 53 0 Normal
01/25/2026 02 AM PST 5.46 53 0 Normal
01/25/2026 03 AM PST 5.46 53 0 Normal
01/25/2026 04 AM PST 5.46 53 0 Normal
01/25/2026 05 AM PST 5.46 53 0 Normal
01/25/2026 06 AM PST 5.48 55 + Normal
01/25/2026 07 AM PST 5.48 55 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
01/25/2026 08 AM PST 5.48 55 Normal
01/25/2026 09 AM PST 5.48 55 0 Normal
01/25/2026 10 AM PST 5.48 55 0 Normal
01/25/2026 11 AM PST 5.47 54 - Normal
01/25/2026 12 PM PST 5.47 54 0 Normal
01/25/2026 01 PM PST 5.47 54 0 Normal
01/25/2026 02 PM PST 5.47 54 0 Normal
01/25/2026 03 PM PST 5.47 54 0 Normal
01/25/2026 04 PM PST 5.47 54 0 Normal
01/25/2026 05 PM PST 5.47 54 0 Normal
01/25/2026 06 PM PST 5.47 54 0 Normal
01/25/2026 07 PM PST 5.47 54 0 Normal
01/25/2026 08 PM PST 5.47 54 0 Normal
01/25/2026 09 PM PST 5.47 54 0 Normal
01/25/2026 10 PM PST 5.47 54 0 Normal
01/25/2026 11 PM PST 5.47 54 0 Normal
01/26/2026 12 AM PST 5.47 54 0 Normal
01/26/2026 01 AM PST 5.47 54 0 Normal
01/26/2026 02 AM PST 5.47 54 0 Normal
01/26/2026 03 AM PST 5.47 54 0 Normal
01/26/2026 04 AM PST 5.46 53 - Normal
01/26/2026 05 AM PST 5.46 53 0 Normal
01/26/2026 06 AM PST 5.46 53 0 Normal
01/26/2026 07 AM PST 5.46 53 0 Normal
01/26/2026 08 AM PST 5.46 53 0 Normal
01/26/2026 09 AM PST 5.46 53 0 Normal
01/26/2026 10 AM PST 5.46 53 0 Normal
01/26/2026 11 AM PST 5.46 53 0 Normal
01/26/2026 12 PM PST 5.46 53 0 Normal
01/26/2026 01 PM PST 5.46 53 0 Normal
01/26/2026 02 PM PST 5.46 53 0 Normal
01/26/2026 03 PM PST 5.46 53 0 Normal
01/26/2026 04 PM PST 5.46 53 0 Normal
01/26/2026 05 PM PST 5.46 53 0 Normal
01/26/2026 06 PM PST 5.46 53 0 Normal
01/26/2026 07 PM PST 5.46 53 0 Normal
01/26/2026 08 PM PST 5.46 53 0 Normal
01/26/2026 09 PM PST 5.46 53 0 Normal
01/26/2026 10 PM PST 5.46 53 0 Normal
01/26/2026 11 PM PST 5.46 53 0 Normal
01/27/2026 12 AM PST 5.46 53 0 Normal
01/27/2026 01 AM PST 5.46 53 0 Normal
01/27/2026 02 AM PST 5.46 53 0 Normal
01/27/2026 03 AM PST 5.46 53 0 Normal
01/27/2026 04 AM PST 5.46 53 0 Normal
01/27/2026 05 AM PST 5.45 52 - Normal
01/27/2026 06 AM PST 5.45 52 0 Normal
01/27/2026 07 AM PST 5.45 52 0 Normal
01/27/2026 08 AM PST 5.45 52 0 Normal
01/27/2026 09 AM PST 5.45 52 0 Normal
01/27/2026 10 AM PST 5.45 52 0 Normal
01/27/2026 11 AM PST 5.45 52 0 Normal
01/27/2026 12 PM PST 5.45 52 0 Normal
01/27/2026 01 PM PST 5.45 52 0 Normal
01/27/2026 02 PM PST 5.45 52 0 Normal
01/27/2026 03 PM PST 5.45 52 0 Normal
01/27/2026 04 PM PST 5.45 52 0 Normal
01/27/2026 05 PM PST 5.45 52 0 Normal
01/27/2026 06 PM PST 5.45 52 0 Normal
01/27/2026 07 PM PST 5.45 52 0 Normal
01/27/2026 08 PM PST 5.45 52 0 Normal
01/27/2026 09 PM PST 5.45 52 0 Normal
01/27/2026 10 PM PST 5.45 52 0 Normal
01/27/2026 11 PM PST 5.45 52 0 Normal
01/28/2026 12 AM PST 5.45 52 0 Normal
01/28/2026 01 AM PST 5.45 52 0 Normal
01/28/2026 02 AM PST 5.45 52 0 Normal
01/28/2026 03 AM PST 5.44 51 - Normal
01/28/2026 04 AM PST 5.44 51 0 Normal
01/28/2026 05 AM PST 5.44 51 0 Normal
01/28/2026 06 AM PST 5.44 51 0 Normal
01/28/2026 07 AM PST 5.44 51 0 Normal
01/28/2026 08 AM PST 5.44 51 0 Normal
01/28/2026 09 AM PST 5.44 51 0 Normal
01/28/2026 10 AM PST 5.44 51 0 Normal
01/28/2026 11 AM PST 5.44 51 0 Normal
01/28/2026 12 PM PST 5.44 51 0 Normal
01/28/2026 01 PM PST 5.44 51 0 Normal
01/28/2026 02 PM PST 5.44 51 0 Normal
01/28/2026 03 PM PST 5.44 51 0 Normal
01/28/2026 04 PM PST 5.44 51 0 Normal
01/28/2026 05 PM PST 5.44 51 0 Normal
01/28/2026 06 PM PST 5.44 51 0 Normal
01/28/2026 07 PM PST 5.44 51 0 Normal
01/28/2026 08 PM PST 5.44 51 0 Normal
01/28/2026 09 PM PST 5.44 51 0 Normal
01/28/2026 10 PM PST 5.44 51 0 Normal
01/28/2026 11 PM PST 5.44 51 0 Normal
01/29/2026 12 AM PST 5.43 50 - Normal
01/29/2026 01 AM PST 5.43 50 0 Normal
01/29/2026 02 AM PST 5.43 50 0 Normal
01/29/2026 03 AM PST 5.43 50 0 Normal
01/29/2026 04 AM PST 5.43 50 0 Normal
01/29/2026 05 AM PST 5.43 50 0 Normal
01/29/2026 06 AM PST 5.43 50 0 Normal
01/29/2026 07 AM PST 5.43 50 0 Normal
01/29/2026 08 AM PST 5.43 50 0 Normal
01/29/2026 09 AM PST 5.43 50 0 Normal
01/29/2026 10 AM PST 5.43 50 0 Normal
01/29/2026 11 AM PST 5.43 50 0 Normal
01/29/2026 12 PM PST 5.43 50 0 Normal
01/29/2026 01 PM PST 5.43 50 0 Normal
01/29/2026 02 PM PST 5.43 50 0 Normal
01/29/2026 03 PM PST 5.43 50 0 Normal
01/29/2026 04 PM PST 5.43 50 0 Normal
01/29/2026 05 PM PST 5.43 50 0 Normal
01/29/2026 06 PM PST 5.43 50 0 Normal
01/29/2026 07 PM PST 5.43 50 0 Normal
01/29/2026 08 PM PST 5.43 50 0 Normal
01/29/2026 09 PM PST 5.43 50 0 Normal
01/29/2026 10 PM PST 5.43 50 0 Normal
01/29/2026 11 PM PST 5.43 50 0 Normal
01/30/2026 12 AM PST 5.42 49 - Normal
01/30/2026 01 AM PST 5.42 49 0 Normal
01/30/2026 02 AM PST 5.42 49 0 Normal
01/30/2026 03 AM PST 5.42 49 0 Normal
01/30/2026 04 AM PST 5.42 49 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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