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GUADALUPE RIVER - SAN JOSE AT US HIGHWAY 101 (GSJC1)
| Latitude: 37.37º N | Longitude: 121.93º W | Elevation: 72 Feet | | Forecast Type: Unofficial Location |
| Location: Santa Clara County in California | Bulletin Group: Central Coast | River Group: South Bay |
| Issuance Time: | Nov 14 2026 at 10:25 AM PST | Next Issuance: | Nov 15 2026 at 9:00 AM PST
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| Action: 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: 11/14/2026 at 10:26 AM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 11/13/2026 at 05:00 PM PST
# Maximum Observed Stage: 7.85 Feet
# Maximum Observed Flow: 547 cfs
#
# Earliest Date & Time of Maximum Forecast: 11/18/2026 at 06:00 PM PST
# Maximum Forecast Stage: 7.85 Feet
# Maximum Forecast Flow: 547 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
11/09/2026 10 AM PST 5.18 29 Normal
11/09/2026 11 AM PST 5.18 29 0 Normal
11/09/2026 12 PM PST 5.18 29 0 Normal
11/09/2026 01 PM PST 5.17 28 - Normal
11/09/2026 02 PM PST 5.16 27 - Normal
11/09/2026 03 PM PST 5.17 28 + Normal
11/09/2026 04 PM PST 5.16 27 - Normal
11/09/2026 05 PM PST 5.16 27 0 Normal
11/09/2026 06 PM PST 5.17 28 + Normal
11/09/2026 07 PM PST 5.17 28 0 Normal
11/09/2026 08 PM PST 5.16 27 - Normal
11/09/2026 09 PM PST 5.16 27 0 Normal
11/09/2026 10 PM PST 5.16 27 0 Normal
11/09/2026 11 PM PST 5.16 27 0 Normal
11/10/2026 12 AM PST 5.15 27 - Normal
11/10/2026 01 AM PST 5.15 27 0 Normal
11/10/2026 02 AM PST 5.15 27 0 Normal
11/10/2026 03 AM PST 5.15 27 0 Normal
11/10/2026 04 AM PST 5.15 27 0 Normal
11/10/2026 05 AM PST 5.15 27 0 Normal
11/10/2026 06 AM PST 5.15 27 0 Normal
11/10/2026 07 AM PST 5.15 27 0 Normal
11/10/2026 08 AM PST 5.15 27 0 Normal
11/10/2026 09 AM PST 5.16 27 + Normal
11/10/2026 10 AM PST 5.17 28 + Normal
11/10/2026 11 AM PST 5.16 27 - Normal
11/10/2026 12 PM PST 5.16 27 0 Normal
11/10/2026 01 PM PST 5.17 28 + Normal
11/10/2026 02 PM PST 5.16 27 - Normal
11/10/2026 03 PM PST 5.15 27 - Normal
11/10/2026 04 PM PST 5.15 27 0 Normal
11/10/2026 05 PM PST 5.15 27 0 Normal
11/10/2026 06 PM PST 5.15 27 0 Normal
11/10/2026 07 PM PST 5.15 27 0 Normal
11/10/2026 08 PM PST 5.15 27 0 Normal
11/10/2026 09 PM PST 5.15 27 0 Normal
11/10/2026 10 PM PST 5.15 27 0 Normal
11/10/2026 11 PM PST 5.15 27 0 Normal
11/11/2026 12 AM PST 5.15 27 0 Normal
11/11/2026 01 AM PST 5.15 27 0 Normal
11/11/2026 02 AM PST 5.15 27 0 Normal
11/11/2026 03 AM PST 5.15 27 0 Normal
11/11/2026 04 AM PST 5.15 27 0 Normal
11/11/2026 05 AM PST 5.15 27 0 Normal
11/11/2026 06 AM PST 5.15 27 0 Normal
11/11/2026 07 AM PST 5.16 27 + Normal
11/11/2026 08 AM PST 5.16 27 0 Normal
11/11/2026 09 AM PST 5.16 27 0 Normal
11/11/2026 10 AM PST 5.16 27 0 Normal
11/11/2026 11 AM PST 5.16 27 0 Normal
11/11/2026 12 PM PST 5.16 27 0 Normal
11/11/2026 01 PM PST 5.16 27 0 Normal
11/11/2026 02 PM PST 5.16 27 0 Normal
11/11/2026 03 PM PST 5.17 28 + Normal
11/11/2026 04 PM PST 5.16 27 - Normal
11/11/2026 05 PM PST 5.16 27 0 Normal
11/11/2026 06 PM PST 5.16 27 0 Normal
11/11/2026 07 PM PST 5.16 27 0 Normal
11/11/2026 08 PM PST 5.16 27 0 Normal
11/11/2026 09 PM PST 5.15 27 - Normal
11/11/2026 10 PM PST 5.15 27 0 Normal
11/11/2026 11 PM PST 5.15 27 0 Normal
11/12/2026 12 AM PST 5.15 27 0 Normal
11/12/2026 01 AM PST 5.15 27 0 Normal
11/12/2026 02 AM PST 5.15 27 0 Normal
11/12/2026 03 AM PST 5.15 27 0 Normal
11/12/2026 04 AM PST 5.16 27 + Normal
11/12/2026 05 AM PST 5.16 27 0 Normal
11/12/2026 06 AM PST 5.16 27 0 Normal
11/12/2026 07 AM PST 5.16 27 0 Normal
11/12/2026 08 AM PST 5.16 27 0 Normal
11/12/2026 09 AM PST 5.17 28 + Normal
11/12/2026 10 AM PST 5.17 28 0 Normal
11/12/2026 11 AM PST 5.17 28 0 Normal
11/12/2026 12 PM PST 5.16 27 - Normal
11/12/2026 01 PM PST 5.16 27 0 Normal
11/12/2026 02 PM PST 5.16 27 0 Normal
11/12/2026 03 PM PST 5.17 28 + Normal
11/12/2026 04 PM PST 5.17 28 0 Normal
11/12/2026 05 PM PST 5.16 27 - Normal
11/12/2026 06 PM PST 5.16 27 0 Normal
11/12/2026 07 PM PST 5.15 27 - Normal
11/12/2026 08 PM PST 5.15 27 0 Normal
11/12/2026 09 PM PST 5.14 26 - Normal
11/12/2026 10 PM PST 5.15 27 + Normal
11/12/2026 11 PM PST 5.15 27 0 Normal
11/13/2026 12 AM PST 5.15 27 0 Normal
11/13/2026 01 AM PST 5.14 26 - Normal
11/13/2026 02 AM PST 5.14 26 0 Normal
11/13/2026 03 AM PST 5.14 26 0 Normal
11/13/2026 04 AM PST 5.14 26 0 Normal
11/13/2026 05 AM PST 5.15 27 + Normal
11/13/2026 06 AM PST 5.15 27 0 Normal
11/13/2026 07 AM PST 5.15 27 0 Normal
11/13/2026 08 AM PST 5.15 27 0 Normal
11/13/2026 09 AM PST 5.16 27 + Normal
11/13/2026 10 AM PST 5.16 27 0 Normal
11/13/2026 11 AM PST 5.19 30 + Normal
11/13/2026 12 PM PST 5.65 73 + Normal
11/13/2026 01 PM PST 6.24 154 + Normal
11/13/2026 02 PM PST 6.75 251 + Normal
11/13/2026 03 PM PST 7.09 330 + Normal
11/13/2026 04 PM PST 7.59 467 + Normal
11/13/2026 05 PM PST 7.85 547 + Normal
11/13/2026 06 PM PST 7.69 497 - Normal
11/13/2026 07 PM PST 7.20 358 - Normal
11/13/2026 08 PM PST 6.79 260 - Normal
11/13/2026 09 PM PST 6.59 217 - Normal
11/13/2026 10 PM PST 6.48 196 - Normal
11/13/2026 11 PM PST 6.36 174 - Normal
11/14/2026 12 AM PST 6.25 155 - Normal
11/14/2026 01 AM PST 6.15 139 - Normal
11/14/2026 02 AM PST 6.06 126 - Normal
11/14/2026 03 AM PST 5.98 114 - Normal
11/14/2026 04 AM PST 5.91 105 - Normal
11/14/2026 05 AM PST 5.85 97 - Normal
11/14/2026 06 AM PST 5.82 93 - Normal
11/14/2026 07 AM PST 5.78 88 - Normal
11/14/2026 08 AM PST 5.71 80 - Normal
11/14/2026 09 AM PST 5.63 71 - Normal
11/14/2026 10 AM PST 5.58 65 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
11/14/2026 11 AM PST 5.54 61 Normal
11/14/2026 12 PM PST 5.51 58 - Normal
11/14/2026 01 PM PST 5.48 55 - Normal
11/14/2026 02 PM PST 5.46 53 - Normal
11/14/2026 03 PM PST 5.45 52 - Normal
11/14/2026 04 PM PST 5.43 50 - Normal
11/14/2026 05 PM PST 5.42 49 - Normal
11/14/2026 06 PM PST 5.41 48 - Normal
11/14/2026 07 PM PST 5.39 46 - Normal
11/14/2026 08 PM PST 5.38 45 - Normal
11/14/2026 09 PM PST 5.37 44 - Normal
11/14/2026 10 PM PST 5.35 43 - Normal
11/14/2026 11 PM PST 5.34 42 - Normal
11/15/2026 12 AM PST 5.33 41 - Normal
11/15/2026 01 AM PST 5.31 39 - Normal
11/15/2026 02 AM PST 5.30 38 - Normal
11/15/2026 03 AM PST 5.28 37 - Normal
11/15/2026 04 AM PST 5.27 36 - Normal
11/15/2026 05 AM PST 5.25 34 - Normal
11/15/2026 06 AM PST 5.24 34 - Normal
11/15/2026 07 AM PST 5.22 32 - Normal
11/15/2026 08 AM PST 5.21 31 - Normal
11/15/2026 09 AM PST 5.19 30 - Normal
11/15/2026 10 AM PST 5.18 29 - Normal
11/15/2026 11 AM PST 5.16 27 - Normal
11/15/2026 12 PM PST 5.14 26 - Normal
11/15/2026 01 PM PST 5.13 25 - Normal
11/15/2026 02 PM PST 5.11 24 - Normal
11/15/2026 03 PM PST 5.09 23 - Normal
11/15/2026 04 PM PST 5.08 22 - Normal
11/15/2026 05 PM PST 5.06 21 - Normal
11/15/2026 06 PM PST 5.05 20 - Normal
11/15/2026 07 PM PST 5.10 23 + Normal
11/15/2026 08 PM PST 5.32 40 + Normal
11/15/2026 09 PM PST 5.67 75 + Normal
11/15/2026 10 PM PST 5.99 116 + Normal
11/15/2026 11 PM PST 6.21 149 + Normal
11/16/2026 12 AM PST 6.39 179 + Normal
11/16/2026 01 AM PST 6.63 226 + Normal
11/16/2026 02 AM PST 6.86 275 + Normal
11/16/2026 03 AM PST 7.03 316 + Normal
11/16/2026 04 AM PST 7.26 374 + Normal
11/16/2026 05 AM PST 7.42 418 + Normal
11/16/2026 06 AM PST 7.42 418 0 Normal
11/16/2026 07 AM PST 7.36 401 - Normal
11/16/2026 08 AM PST 7.25 371 - Normal
11/16/2026 09 AM PST 7.10 333 - Normal
11/16/2026 10 AM PST 6.92 289 - Normal
11/16/2026 11 AM PST 6.68 236 - Normal
11/16/2026 12 PM PST 6.40 181 - Normal
11/16/2026 01 PM PST 6.13 136 - Normal
11/16/2026 02 PM PST 5.89 102 - Normal
11/16/2026 03 PM PST 5.69 77 - Normal
11/16/2026 04 PM PST 5.52 59 - Normal
11/16/2026 05 PM PST 5.39 46 - Normal
11/16/2026 06 PM PST 5.29 38 - Normal
11/16/2026 07 PM PST 5.22 32 - Normal
11/16/2026 08 PM PST 5.17 28 - Normal
11/16/2026 09 PM PST 5.13 25 - Normal
11/16/2026 10 PM PST 5.10 23 - Normal
11/16/2026 11 PM PST 5.07 21 - Normal
11/17/2026 12 AM PST 5.04 19 - Normal
11/17/2026 01 AM PST 5.03 19 - Normal
11/17/2026 02 AM PST 5.01 18 - Normal
11/17/2026 03 AM PST 5.00 17 - Normal
11/17/2026 04 AM PST 4.99 17 - Normal
11/17/2026 05 AM PST 4.99 17 0 Normal
11/17/2026 06 AM PST 4.99 17 0 Normal
11/17/2026 07 AM PST 4.98 16 - Normal
11/17/2026 08 AM PST 4.98 16 0 Normal
11/17/2026 09 AM PST 4.98 16 0 Normal
11/17/2026 10 AM PST 4.98 16 0 Normal
11/17/2026 11 AM PST 4.98 16 0 Normal
11/17/2026 12 PM PST 4.98 16 0 Normal
11/17/2026 01 PM PST 4.98 16 0 Normal
11/17/2026 02 PM PST 4.98 16 0 Normal
11/17/2026 03 PM PST 4.98 16 0 Normal
11/17/2026 04 PM PST 4.98 16 0 Normal
11/17/2026 05 PM PST 4.98 16 0 Normal
11/17/2026 06 PM PST 4.98 16 0 Normal
11/17/2026 07 PM PST 4.98 16 0 Normal
11/17/2026 08 PM PST 4.98 16 0 Normal
11/17/2026 09 PM PST 4.98 16 0 Normal
11/17/2026 10 PM PST 4.98 16 0 Normal
11/17/2026 11 PM PST 4.98 16 0 Normal
11/18/2026 12 AM PST 4.98 16 0 Normal
11/18/2026 01 AM PST 4.99 17 + Normal
11/18/2026 02 AM PST 5.04 19 + Normal
11/18/2026 03 AM PST 5.15 27 + Normal
11/18/2026 04 AM PST 5.29 38 + Normal
11/18/2026 05 AM PST 5.41 48 + Normal
11/18/2026 06 AM PST 5.49 56 + Normal
11/18/2026 07 AM PST 5.57 64 + Normal
11/18/2026 08 AM PST 5.77 87 + Normal
11/18/2026 09 AM PST 6.24 154 + Normal
11/18/2026 10 AM PST 6.72 244 + Normal
11/18/2026 11 AM PST 7.03 316 + Normal
11/18/2026 12 PM PST 7.21 361 + Normal
11/18/2026 01 PM PST 7.34 396 + Normal
11/18/2026 02 PM PST 7.49 437 + Normal
11/18/2026 03 PM PST 7.66 488 + Normal
11/18/2026 04 PM PST 7.78 525 + Normal
11/18/2026 05 PM PST 7.83 541 + Normal
11/18/2026 06 PM PST 7.85 547 + Normal
11/18/2026 07 PM PST 7.81 534 - Normal
11/18/2026 08 PM PST 7.68 494 - Normal
11/18/2026 09 PM PST 7.57 461 - Normal
11/18/2026 10 PM PST 7.43 420 - Normal
11/18/2026 11 PM PST 7.32 390 - Normal
11/19/2026 12 AM PST 7.25 371 - Normal
11/19/2026 01 AM PST 7.22 363 - Normal
11/19/2026 02 AM PST 7.20 358 - Normal
11/19/2026 03 AM PST 7.18 353 - Normal
11/19/2026 04 AM PST 7.18 353 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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