SAN ANTONIO CREEK - SUNOL (ACSC1)
Latitude: 37.58º NLongitude: 121.86º WElevation: 272 FeetForecast Type: Unofficial Location
Location: Alameda County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: Feb 22 2026 at 8:30 AM PSTNext Issuance: Feb 23 2026 at 9:00 AM PST
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Antonio Creek - Sunol (ACSC1)
#
# File Generation Time:  02/22/2026 at 08:32 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/19/2026 at 06:00 AM PST
# Maximum Observed Stage:                       3.43 Feet
# Maximum Observed Flow:                        10 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/22/2026 at 09:00 AM PST
# Maximum Forecast Stage:                       3.01 Feet
# Maximum Forecast Flow:                        0 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/17/2026 08 AM PST            2.96              0                Not Applicable
  02/17/2026 09 AM PST            2.96              0         0      Not Applicable
  02/17/2026 10 AM PST            2.97              0         +      Not Applicable
  02/17/2026 11 AM PST            3.02              0         +      Not Applicable
  02/17/2026 12 PM PST            3.15              2         +      Not Applicable
  02/17/2026 01 PM PST            3.28              5         +      Not Applicable
  02/17/2026 02 PM PST            3.36              7         +      Not Applicable
  02/17/2026 03 PM PST            3.35              7         -      Not Applicable
  02/17/2026 04 PM PST            3.33              6         -      Not Applicable
  02/17/2026 05 PM PST            3.32              6         -      Not Applicable
  02/17/2026 06 PM PST            3.27              4         -      Not Applicable
  02/17/2026 07 PM PST            3.24              4         -      Not Applicable
  02/17/2026 08 PM PST            3.22              3         -      Not Applicable
  02/17/2026 09 PM PST            3.23              3         +      Not Applicable
  02/17/2026 10 PM PST            3.26              4         +      Not Applicable
  02/17/2026 11 PM PST            3.24              4         -      Not Applicable
  02/18/2026 12 AM PST            3.25              4         +      Not Applicable
  02/18/2026 01 AM PST            3.26              4         +      Not Applicable
  02/18/2026 02 AM PST            3.26              4         0      Not Applicable
  02/18/2026 03 AM PST            3.26              4         0      Not Applicable
  02/18/2026 04 AM PST            3.26              4         0      Not Applicable
  02/18/2026 05 AM PST            3.25              4         -      Not Applicable
  02/18/2026 06 AM PST            3.24              4         -      Not Applicable
  02/18/2026 07 AM PST            3.23              3         -      Not Applicable
  02/18/2026 08 AM PST            3.22              3         -      Not Applicable
  02/18/2026 09 AM PST            3.21              3         -      Not Applicable
  02/18/2026 10 AM PST            3.20              3         -      Not Applicable
  02/18/2026 11 AM PST            3.19              3         -      Not Applicable
  02/18/2026 12 PM PST            3.18              2         -      Not Applicable
  02/18/2026 01 PM PST            3.17              2         -      Not Applicable
  02/18/2026 02 PM PST            3.16              2         -      Not Applicable
  02/18/2026 03 PM PST            3.16              2         0      Not Applicable
  02/18/2026 04 PM PST            3.15              2         -      Not Applicable
  02/18/2026 05 PM PST            3.15              2         0      Not Applicable
  02/18/2026 06 PM PST            3.14              2         -      Not Applicable
  02/18/2026 07 PM PST            3.13              2         -      Not Applicable
  02/18/2026 08 PM PST            3.13              2         0      Not Applicable
  02/18/2026 09 PM PST            3.12              1         -      Not Applicable
  02/18/2026 10 PM PST            3.12              1         0      Not Applicable
  02/18/2026 11 PM PST            3.12              1         0      Not Applicable
  02/19/2026 12 AM PST            3.11              1         -      Not Applicable
  02/19/2026 01 AM PST            3.11              1         0      Not Applicable
  02/19/2026 02 AM PST            3.11              1         0      Not Applicable
  02/19/2026 03 AM PST            3.13              2         +      Not Applicable
  02/19/2026 04 AM PST            3.38              8         +      Not Applicable
  02/19/2026 05 AM PST            3.42             10         +      Not Applicable
  02/19/2026 06 AM PST            3.43             10         +      Not Applicable
  02/19/2026 07 AM PST            3.40              9         -      Not Applicable
  02/19/2026 08 AM PST            3.37              8         -      Not Applicable
  02/19/2026 09 AM PST            3.34              7         -      Not Applicable
  02/19/2026 10 AM PST            3.33              6         -      Not Applicable
  02/19/2026 11 AM PST            3.32              6         -      Not Applicable
  02/19/2026 12 PM PST            3.31              6         -      Not Applicable
  02/19/2026 01 PM PST            3.29              5         -      Not Applicable
  02/19/2026 02 PM PST            3.28              5         -      Not Applicable
  02/19/2026 03 PM PST            3.26              4         -      Not Applicable
  02/19/2026 04 PM PST            3.24              4         -      Not Applicable
  02/19/2026 05 PM PST            3.22              3         -      Not Applicable
  02/19/2026 06 PM PST            3.21              3         -      Not Applicable
  02/19/2026 07 PM PST            3.19              3         -      Not Applicable
  02/19/2026 08 PM PST            3.18              2         -      Not Applicable
  02/19/2026 09 PM PST            3.17              2         -      Not Applicable
  02/19/2026 10 PM PST            3.17              2         0      Not Applicable
  02/19/2026 11 PM PST            3.16              2         -      Not Applicable
  02/20/2026 12 AM PST            3.15              2         -      Not Applicable
  02/20/2026 01 AM PST            3.14              2         -      Not Applicable
  02/20/2026 02 AM PST            3.14              2         0      Not Applicable
  02/20/2026 03 AM PST            3.13              2         -      Not Applicable
  02/20/2026 04 AM PST            3.13              2         0      Not Applicable
  02/20/2026 05 AM PST            3.12              1         -      Not Applicable
  02/20/2026 06 AM PST            3.11              1         -      Not Applicable
  02/20/2026 07 AM PST            3.11              1         0      Not Applicable
  02/20/2026 08 AM PST            3.11              1         0      Not Applicable
  02/20/2026 09 AM PST            3.11              1         0      Not Applicable
  02/20/2026 10 AM PST            3.10              1         -      Not Applicable
  02/20/2026 11 AM PST            3.10              1         0      Not Applicable
  02/20/2026 12 PM PST            3.10              1         0      Not Applicable
  02/20/2026 01 PM PST            3.10              1         0      Not Applicable
  02/20/2026 02 PM PST            3.09              1         -      Not Applicable
  02/20/2026 03 PM PST            3.09              1         0      Not Applicable
  02/20/2026 04 PM PST            3.09              1         0      Not Applicable
  02/20/2026 05 PM PST            3.09              1         0      Not Applicable
  02/20/2026 06 PM PST            3.08              1         -      Not Applicable
  02/20/2026 07 PM PST            3.08              1         0      Not Applicable
  02/20/2026 08 PM PST            3.08              1         0      Not Applicable
  02/20/2026 09 PM PST            3.07              1         -      Not Applicable
  02/20/2026 10 PM PST            3.07              1         0      Not Applicable
  02/20/2026 11 PM PST            3.07              1         0      Not Applicable
  02/21/2026 12 AM PST            3.07              1         0      Not Applicable
  02/21/2026 01 AM PST            3.06              1         -      Not Applicable
  02/21/2026 02 AM PST            3.06              1         0      Not Applicable
  02/21/2026 03 AM PST            3.06              1         0      Not Applicable
  02/21/2026 04 AM PST            3.06              1         0      Not Applicable
  02/21/2026 05 AM PST            3.05              1         -      Not Applicable
  02/21/2026 06 AM PST            3.05              1         0      Not Applicable
  02/21/2026 07 AM PST            3.05              1         0      Not Applicable
  02/21/2026 08 AM PST            3.05              1         0      Not Applicable
  02/21/2026 09 AM PST            3.05              1         0      Not Applicable
  02/21/2026 10 AM PST            3.05              1         0      Not Applicable
  02/21/2026 11 AM PST            3.05              1         0      Not Applicable
  02/21/2026 12 PM PST            3.05              1         0      Not Applicable
  02/21/2026 01 PM PST            3.05              1         0      Not Applicable
  02/21/2026 02 PM PST            3.04              1         -      Not Applicable
  02/21/2026 03 PM PST            3.04              1         0      Not Applicable
  02/21/2026 04 PM PST            3.04              1         0      Not Applicable
  02/21/2026 05 PM PST            3.04              1         0      Not Applicable
  02/21/2026 06 PM PST            3.03              1         -      Not Applicable
  02/21/2026 07 PM PST            3.03              1         0      Not Applicable
  02/21/2026 08 PM PST            3.03              1         0      Not Applicable
  02/21/2026 09 PM PST            3.03              1         0      Not Applicable
  02/21/2026 10 PM PST            3.03              1         0      Not Applicable
  02/21/2026 11 PM PST            3.03              1         0      Not Applicable
  02/22/2026 12 AM PST            3.03              1         0      Not Applicable
  02/22/2026 01 AM PST            3.02              0         -      Not Applicable
  02/22/2026 02 AM PST            3.02              0         0      Not Applicable
  02/22/2026 03 AM PST            3.02              0         0      Not Applicable
  02/22/2026 04 AM PST            3.02              0         0      Not Applicable
  02/22/2026 05 AM PST            3.02              0         0      Not Applicable
  02/22/2026 06 AM PST            3.02              0         0      Not Applicable
  02/22/2026 07 AM PST            3.01              0         -      Not Applicable
  02/22/2026 08 AM PST            3.01              0         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/22/2026 09 AM PST            3.01              0                Not Applicable
  02/22/2026 10 AM PST            3.00              0         -      Not Applicable
  02/22/2026 11 AM PST            3.00              0         0      Not Applicable
  02/22/2026 12 PM PST            3.00              0         0      Not Applicable
  02/22/2026 01 PM PST            3.00              0         0      Not Applicable
  02/22/2026 02 PM PST            2.99              0         -      Not Applicable
  02/22/2026 03 PM PST            2.99              0         0      Not Applicable
  02/22/2026 04 PM PST            2.99              0         0      Not Applicable
  02/22/2026 05 PM PST            2.98              0         -      Not Applicable
  02/22/2026 06 PM PST            2.98              0         0      Not Applicable
  02/22/2026 07 PM PST            2.98              0         0      Not Applicable
  02/22/2026 08 PM PST            2.97              0         -      Not Applicable
  02/22/2026 09 PM PST            2.97              0         0      Not Applicable
  02/22/2026 10 PM PST            2.96              0         -      Not Applicable
  02/22/2026 11 PM PST            2.96              0         0      Not Applicable
  02/23/2026 12 AM PST            2.96              0         0      Not Applicable
  02/23/2026 01 AM PST            2.95              0         -      Not Applicable
  02/23/2026 02 AM PST            2.94              0         -      Not Applicable
  02/23/2026 03 AM PST            2.94              0         0      Not Applicable
  02/23/2026 04 AM PST            2.93              0         -      Not Applicable
  02/23/2026 05 AM PST            2.93              0         0      Not Applicable
  02/23/2026 06 AM PST            2.92              0         -      Not Applicable
  02/23/2026 07 AM PST            2.91              0         -      Not Applicable
  02/23/2026 08 AM PST            2.90              0         -      Not Applicable
  02/23/2026 09 AM PST            2.89              0         -      Not Applicable
  02/23/2026 10 AM PST            2.87              0         -      Not Applicable
  02/23/2026 11 AM PST            2.84              0         -      Not Applicable
  02/23/2026 12 PM PST            2.83              0         -      Not Applicable
  02/23/2026 01 PM PST            2.83              0         0      Not Applicable
  02/23/2026 02 PM PST            2.83              0         0      Not Applicable
  02/23/2026 03 PM PST            2.83              0         0      Not Applicable
  02/23/2026 04 PM PST            2.83              0         0      Not Applicable
  02/23/2026 05 PM PST            2.83              0         0      Not Applicable
  02/23/2026 06 PM PST            2.83              0         0      Not Applicable
  02/23/2026 07 PM PST            2.83              0         0      Not Applicable
  02/23/2026 08 PM PST            2.83              0         0      Not Applicable
  02/23/2026 09 PM PST            2.83              0         0      Not Applicable
  02/23/2026 10 PM PST            2.83              0         0      Not Applicable
  02/23/2026 11 PM PST            2.83              0         0      Not Applicable
  02/24/2026 12 AM PST            2.83              0         0      Not Applicable
  02/24/2026 01 AM PST            2.83              0         0      Not Applicable
  02/24/2026 02 AM PST            2.83              0         0      Not Applicable
  02/24/2026 03 AM PST            2.83              0         0      Not Applicable
  02/24/2026 04 AM PST            2.83              0         0      Not Applicable
  02/24/2026 05 AM PST            2.83              0         0      Not Applicable
  02/24/2026 06 AM PST            2.83              0         0      Not Applicable
  02/24/2026 07 AM PST            2.83              0         0      Not Applicable
  02/24/2026 08 AM PST            2.83              0         0      Not Applicable
  02/24/2026 09 AM PST            2.83              0         0      Not Applicable
  02/24/2026 10 AM PST            2.83              0         0      Not Applicable
  02/24/2026 11 AM PST            2.83              0         0      Not Applicable
  02/24/2026 12 PM PST            2.83              0         0      Not Applicable
  02/24/2026 01 PM PST            2.83              0         0      Not Applicable
  02/24/2026 02 PM PST            2.83              0         0      Not Applicable
  02/24/2026 03 PM PST            2.83              0         0      Not Applicable
  02/24/2026 04 PM PST            2.83              0         0      Not Applicable
  02/24/2026 05 PM PST            2.83              0         0      Not Applicable
  02/24/2026 06 PM PST            2.83              0         0      Not Applicable
  02/24/2026 07 PM PST            2.83              0         0      Not Applicable
  02/24/2026 08 PM PST            2.83              0         0      Not Applicable
  02/24/2026 09 PM PST            2.83              0         0      Not Applicable
  02/24/2026 10 PM PST            2.83              0         0      Not Applicable
  02/24/2026 11 PM PST            2.83              0         0      Not Applicable
  02/25/2026 12 AM PST            2.83              0         0      Not Applicable
  02/25/2026 01 AM PST            2.83              0         0      Not Applicable
  02/25/2026 02 AM PST            2.83              0         0      Not Applicable
  02/25/2026 03 AM PST            2.83              0         0      Not Applicable
  02/25/2026 04 AM PST            2.83              0         0      Not Applicable
  02/25/2026 05 AM PST            2.83              0         0      Not Applicable
  02/25/2026 06 AM PST            2.83              0         0      Not Applicable
  02/25/2026 07 AM PST            2.83              0         0      Not Applicable
  02/25/2026 08 AM PST            2.83              0         0      Not Applicable
  02/25/2026 09 AM PST            2.83              0         0      Not Applicable
  02/25/2026 10 AM PST            2.83              0         0      Not Applicable
  02/25/2026 11 AM PST            2.83              0         0      Not Applicable
  02/25/2026 12 PM PST            2.83              0         0      Not Applicable
  02/25/2026 01 PM PST            2.83              0         0      Not Applicable
  02/25/2026 02 PM PST            2.83              0         0      Not Applicable
  02/25/2026 03 PM PST            2.83              0         0      Not Applicable
  02/25/2026 04 PM PST            2.83              0         0      Not Applicable
  02/25/2026 05 PM PST            2.83              0         0      Not Applicable
  02/25/2026 06 PM PST            2.83              0         0      Not Applicable
  02/25/2026 07 PM PST            2.83              0         0      Not Applicable
  02/25/2026 08 PM PST            2.83              0         0      Not Applicable
  02/25/2026 09 PM PST            2.83              0         0      Not Applicable
  02/25/2026 10 PM PST            2.83              0         0      Not Applicable
  02/25/2026 11 PM PST            2.83              0         0      Not Applicable
  02/26/2026 12 AM PST            2.83              0         0      Not Applicable
  02/26/2026 01 AM PST            2.83              0         0      Not Applicable
  02/26/2026 02 AM PST            2.83              0         0      Not Applicable
  02/26/2026 03 AM PST            2.83              0         0      Not Applicable
  02/26/2026 04 AM PST            2.83              0         0      Not Applicable
  02/26/2026 05 AM PST            2.83              0         0      Not Applicable
  02/26/2026 06 AM PST            2.83              0         0      Not Applicable
  02/26/2026 07 AM PST            2.83              0         0      Not Applicable
  02/26/2026 08 AM PST            2.83              0         0      Not Applicable
  02/26/2026 09 AM PST            2.83              0         0      Not Applicable
  02/26/2026 10 AM PST            2.83              0         0      Not Applicable
  02/26/2026 11 AM PST            2.83              0         0      Not Applicable
  02/26/2026 12 PM PST            2.83              0         0      Not Applicable
  02/26/2026 01 PM PST            2.83              0         0      Not Applicable
  02/26/2026 02 PM PST            2.83              0         0      Not Applicable
  02/26/2026 03 PM PST            2.83              0         0      Not Applicable
  02/26/2026 04 PM PST            2.83              0         0      Not Applicable
  02/26/2026 05 PM PST            2.83              0         0      Not Applicable
  02/26/2026 06 PM PST            2.83              0         0      Not Applicable
  02/26/2026 07 PM PST            2.83              0         0      Not Applicable
  02/26/2026 08 PM PST            2.83              0         0      Not Applicable
  02/26/2026 09 PM PST            2.83              0         0      Not Applicable
  02/26/2026 10 PM PST            2.83              0         0      Not Applicable
  02/26/2026 11 PM PST            2.83              0         0      Not Applicable
  02/27/2026 12 AM PST            2.83              0         0      Not Applicable
  02/27/2026 01 AM PST            2.83              0         0      Not Applicable
  02/27/2026 02 AM PST            2.83              0         0      Not Applicable
  02/27/2026 03 AM PST            2.83              0         0      Not Applicable
  02/27/2026 04 AM PST            2.83              0         0      Not Applicable
#
# 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.