SACRAMENTO RIVER DELTA - ANTIOCH (ATIC1)
Latitude: 38.02º NLongitude: 121.80º WElevation: 10 FeetForecast Type: Unofficial Location
Location: Contra Costa County in CaliforniaBulletin Group: Lower SacramentoRiver Group: Lower Sacramento
Issuance Time: Sep 22 2026 at 6:59 AM PDTNext Issuance: Sep 23 2026 at 9:00 AM PDT
Action: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Sacramento River Delta - Antioch (ATIC1)
#
# File Generation Time:  09/22/2026 at 07:00 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  09/22/2026 at 12:00 AM PDT
# Maximum Observed Stage:                       6.61 Feet
#
# Earliest Date & Time of Maximum Forecast:     09/26/2026 at 03:00 PM PDT
# Maximum Forecast Stage:                       5.71 Feet
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Trend     Observed Status
# ------------------------------------------------------------------
  09/17/2026 07 AM PDT            4.91                Not Applicable
  09/17/2026 08 AM PDT            5.19         +      Not Applicable
  09/17/2026 09 AM PDT            5.33         +      Not Applicable
  09/17/2026 10 AM PDT            5.32         -      Not Applicable
  09/17/2026 11 AM PDT            5.14         -      Not Applicable
  09/17/2026 12 PM PDT            4.89         -      Not Applicable
  09/17/2026 01 PM PDT            4.75         -      Not Applicable
  09/17/2026 02 PM PDT            4.78         +      Not Applicable
  09/17/2026 03 PM PDT            5.03         +      Not Applicable
  09/17/2026 04 PM PDT            5.43         +      Not Applicable
  09/17/2026 05 PM PDT            5.81         +      Not Applicable
  09/17/2026 06 PM PDT            6.17         +      Not Applicable
  09/17/2026 07 PM PDT            6.42         +      Not Applicable
  09/17/2026 08 PM PDT            6.49         +      Not Applicable
  09/17/2026 09 PM PDT            6.24         -      Not Applicable
  09/17/2026 10 PM PDT            5.66         -      Not Applicable
  09/17/2026 11 PM PDT            5.03         -      Not Applicable
  09/18/2026 12 AM PDT            4.43         -      Not Applicable
  09/18/2026 01 AM PDT            3.87         -      Not Applicable
  09/18/2026 02 AM PDT            3.38         -      Not Applicable
  09/18/2026 03 AM PDT            2.97         -      Not Applicable
  09/18/2026 04 AM PDT            2.73         -      Not Applicable
  09/18/2026 05 AM PDT            2.89         +      Not Applicable
  09/18/2026 06 AM PDT            3.49         +      Not Applicable
  09/18/2026 07 AM PDT            4.15         +      Not Applicable
  09/18/2026 08 AM PDT            4.58         +      Not Applicable
  09/18/2026 09 AM PDT            4.91         +      Not Applicable
  09/18/2026 10 AM PDT            5.14         +      Not Applicable
  09/18/2026 11 AM PDT            5.28         +      Not Applicable
  09/18/2026 12 PM PDT            5.25         -      Not Applicable
  09/18/2026 01 PM PDT            5.14         -      Not Applicable
  09/18/2026 02 PM PDT            5.05         -      Not Applicable
  09/18/2026 03 PM PDT            5.11         +      Not Applicable
  09/18/2026 04 PM PDT            5.29         +      Not Applicable
  09/18/2026 05 PM PDT            5.59         +      Not Applicable
  09/18/2026 06 PM PDT            5.93         +      Not Applicable
  09/18/2026 07 PM PDT            6.25         +      Not Applicable
  09/18/2026 08 PM PDT            6.46         +      Not Applicable
  09/18/2026 09 PM PDT            6.48         +      Not Applicable
  09/18/2026 10 PM PDT            6.21         -      Not Applicable
  09/18/2026 11 PM PDT            5.72         -      Not Applicable
  09/19/2026 12 AM PDT            5.16         -      Not Applicable
  09/19/2026 01 AM PDT            4.55         -      Not Applicable
  09/19/2026 02 AM PDT            4.00         -      Not Applicable
  09/19/2026 03 AM PDT            3.48         -      Not Applicable
  09/19/2026 04 AM PDT            3.08         -      Not Applicable
  09/19/2026 05 AM PDT            2.79         -      Not Applicable
  09/19/2026 06 AM PDT            2.88         +      Not Applicable
  09/19/2026 07 AM PDT            3.45         +      Not Applicable
  09/19/2026 08 AM PDT            4.15         +      Not Applicable
  09/19/2026 09 AM PDT            4.64         +      Not Applicable
  09/19/2026 10 AM PDT            5.01         +      Not Applicable
  09/19/2026 11 AM PDT            5.31         +      Not Applicable
  09/19/2026 12 PM PDT            5.47         +      Not Applicable
  09/19/2026 01 PM PDT            5.53         +      Not Applicable
  09/19/2026 02 PM PDT            5.41         -      Not Applicable
  09/19/2026 03 PM PDT            5.27         -      Not Applicable
  09/19/2026 04 PM PDT            5.21         -      Not Applicable
  09/19/2026 05 PM PDT            5.34         +      Not Applicable
  09/19/2026 06 PM PDT            5.63         +      Not Applicable
  09/19/2026 07 PM PDT            5.97         +      Not Applicable
  09/19/2026 08 PM PDT            6.29         +      Not Applicable
  09/19/2026 09 PM PDT            6.49         +      Not Applicable
  09/19/2026 10 PM PDT            6.53         +      Not Applicable
  09/19/2026 11 PM PDT            6.33         -      Not Applicable
  09/20/2026 12 AM PDT            5.86         -      Not Applicable
  09/20/2026 01 AM PDT            5.28         -      Not Applicable
  09/20/2026 02 AM PDT            4.67         -      Not Applicable
  09/20/2026 03 AM PDT            4.10         -      Not Applicable
  09/20/2026 04 AM PDT            3.61         -      Not Applicable
  09/20/2026 05 AM PDT            3.18         -      Not Applicable
  09/20/2026 06 AM PDT            2.88         -      Not Applicable
  09/20/2026 07 AM PDT            2.94         +      Not Applicable
  09/20/2026 08 AM PDT            3.50         +      Not Applicable
  09/20/2026 09 AM PDT            4.28         +      Not Applicable
  09/20/2026 10 AM PDT            4.81         +      Not Applicable
  09/20/2026 11 AM PDT            5.18         +      Not Applicable
  09/20/2026 12 PM PDT            5.46         +      Not Applicable
  09/20/2026 01 PM PDT            5.62         +      Not Applicable
  09/20/2026 02 PM PDT            5.64         +      Not Applicable
  09/20/2026 03 PM PDT            5.44         -      Not Applicable
  09/20/2026 04 PM PDT            5.12         -      Not Applicable
  09/20/2026 05 PM PDT            4.97         -      Not Applicable
  09/20/2026 06 PM PDT            4.98         +      Not Applicable
  09/20/2026 07 PM PDT            5.23         +      Not Applicable
  09/20/2026 08 PM PDT            5.62         +      Not Applicable
  09/20/2026 09 PM PDT            5.99         +      Not Applicable
  09/20/2026 10 PM PDT            6.29         +      Not Applicable
  09/20/2026 11 PM PDT            6.41         +      Not Applicable
  09/21/2026 12 AM PDT            6.27         -      Not Applicable
  09/21/2026 01 AM PDT            5.79         -      Not Applicable
  09/21/2026 02 AM PDT            5.18         -      Not Applicable
  09/21/2026 03 AM PDT            4.54         -      Not Applicable
  09/21/2026 04 AM PDT            3.95         -      Not Applicable
  09/21/2026 05 AM PDT            3.45         -      Not Applicable
  09/21/2026 06 AM PDT            3.02         -      Not Applicable
  09/21/2026 07 AM PDT            2.76         -      Not Applicable
  09/21/2026 08 AM PDT            2.95         +      Not Applicable
  09/21/2026 09 AM PDT            3.71         +      Not Applicable
  09/21/2026 10 AM PDT            4.54         +      Not Applicable
  09/21/2026 11 AM PDT            5.06         +      Not Applicable
  09/21/2026 12 PM PDT            5.42         +      Not Applicable
  09/21/2026 01 PM PDT            5.67         +      Not Applicable
  09/21/2026 02 PM PDT            5.79         +      Not Applicable
  09/21/2026 03 PM PDT            5.65         -      Not Applicable
  09/21/2026 04 PM PDT            5.25         -      Not Applicable
  09/21/2026 05 PM PDT            4.87         -      Not Applicable
  09/21/2026 06 PM PDT            4.70         -      Not Applicable
  09/21/2026 07 PM PDT            4.82         +      Not Applicable
  09/21/2026 08 PM PDT            5.25         +      Not Applicable
  09/21/2026 09 PM PDT            5.73         +      Not Applicable
  09/21/2026 10 PM PDT            6.16         +      Not Applicable
  09/21/2026 11 PM PDT            6.50         +      Not Applicable
  09/22/2026 12 AM PDT            6.61         +      Not Applicable
  09/22/2026 01 AM PDT            6.44         -      Not Applicable
  09/22/2026 02 AM PDT            5.90         -      Not Applicable
  09/22/2026 03 AM PDT            5.15         -      Not Applicable
  09/22/2026 04 AM PDT            4.49         -      Not Applicable
  09/22/2026 05 AM PDT            3.97         -      Not Applicable
  09/22/2026 06 AM PDT            3.36         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Trend     Forecast Status
# ------------------------------------------------------------------
  09/22/2026 07 AM PDT            3.00                Not Applicable
  09/22/2026 08 AM PDT            2.97         -      Not Applicable
  09/22/2026 09 AM PDT            3.17         +      Not Applicable
  09/22/2026 10 AM PDT            3.61         +      Not Applicable
  09/22/2026 11 AM PDT            4.12         +      Not Applicable
  09/22/2026 12 PM PDT            4.72         +      Not Applicable
  09/22/2026 01 PM PDT            5.14         +      Not Applicable
  09/22/2026 02 PM PDT            5.27         +      Not Applicable
  09/22/2026 03 PM PDT            5.09         -      Not Applicable
  09/22/2026 04 PM PDT            4.63         -      Not Applicable
  09/22/2026 05 PM PDT            4.12         -      Not Applicable
  09/22/2026 06 PM PDT            3.69         -      Not Applicable
  09/22/2026 07 PM PDT            3.54         -      Not Applicable
  09/22/2026 08 PM PDT            3.68         +      Not Applicable
  09/22/2026 09 PM PDT            4.08         +      Not Applicable
  09/22/2026 10 PM PDT            4.57         +      Not Applicable
  09/22/2026 11 PM PDT            5.08         +      Not Applicable
  09/23/2026 12 AM PDT            5.41         +      Not Applicable
  09/23/2026 01 AM PDT            5.52         +      Not Applicable
  09/23/2026 02 AM PDT            5.33         -      Not Applicable
  09/23/2026 03 AM PDT            4.88         -      Not Applicable
  09/23/2026 04 AM PDT            4.20         -      Not Applicable
  09/23/2026 05 AM PDT            3.44         -      Not Applicable
  09/23/2026 06 AM PDT            2.77         -      Not Applicable
  09/23/2026 07 AM PDT            2.35         -      Not Applicable
  09/23/2026 08 AM PDT            2.21         -      Not Applicable
  09/23/2026 09 AM PDT            2.44         +      Not Applicable
  09/23/2026 10 AM PDT            3.03         +      Not Applicable
  09/23/2026 11 AM PDT            3.80         +      Not Applicable
  09/23/2026 12 PM PDT            4.56         +      Not Applicable
  09/23/2026 01 PM PDT            5.12         +      Not Applicable
  09/23/2026 02 PM PDT            5.31         +      Not Applicable
  09/23/2026 03 PM PDT            5.19         -      Not Applicable
  09/23/2026 04 PM PDT            4.81         -      Not Applicable
  09/23/2026 05 PM PDT            4.28         -      Not Applicable
  09/23/2026 06 PM PDT            3.75         -      Not Applicable
  09/23/2026 07 PM PDT            3.38         -      Not Applicable
  09/23/2026 08 PM PDT            3.30         -      Not Applicable
  09/23/2026 09 PM PDT            3.54         +      Not Applicable
  09/23/2026 10 PM PDT            4.15         +      Not Applicable
  09/23/2026 11 PM PDT            4.82         +      Not Applicable
  09/24/2026 12 AM PDT            5.33         +      Not Applicable
  09/24/2026 01 AM PDT            5.52         +      Not Applicable
  09/24/2026 02 AM PDT            5.37         -      Not Applicable
  09/24/2026 03 AM PDT            4.92         -      Not Applicable
  09/24/2026 04 AM PDT            4.25         -      Not Applicable
  09/24/2026 05 AM PDT            3.49         -      Not Applicable
  09/24/2026 06 AM PDT            2.83         -      Not Applicable
  09/24/2026 07 AM PDT            2.41         -      Not Applicable
  09/24/2026 08 AM PDT            2.26         -      Not Applicable
  09/24/2026 09 AM PDT            2.42         +      Not Applicable
  09/24/2026 10 AM PDT            2.86         +      Not Applicable
  09/24/2026 11 AM PDT            3.50         +      Not Applicable
  09/24/2026 12 PM PDT            4.23         +      Not Applicable
  09/24/2026 01 PM PDT            4.86         +      Not Applicable
  09/24/2026 02 PM PDT            5.27         +      Not Applicable
  09/24/2026 03 PM PDT            5.41         +      Not Applicable
  09/24/2026 04 PM PDT            5.24         -      Not Applicable
  09/24/2026 05 PM PDT            4.79         -      Not Applicable
  09/24/2026 06 PM PDT            4.19         -      Not Applicable
  09/24/2026 07 PM PDT            3.56         -      Not Applicable
  09/24/2026 08 PM PDT            3.17         -      Not Applicable
  09/24/2026 09 PM PDT            3.05         -      Not Applicable
  09/24/2026 10 PM PDT            3.35         +      Not Applicable
  09/24/2026 11 PM PDT            3.98         +      Not Applicable
  09/25/2026 12 AM PDT            4.71         +      Not Applicable
  09/25/2026 01 AM PDT            5.29         +      Not Applicable
  09/25/2026 02 AM PDT            5.50         +      Not Applicable
  09/25/2026 03 AM PDT            5.37         -      Not Applicable
  09/25/2026 04 AM PDT            4.95         -      Not Applicable
  09/25/2026 05 AM PDT            4.29         -      Not Applicable
  09/25/2026 06 AM PDT            3.56         -      Not Applicable
  09/25/2026 07 AM PDT            2.94         -      Not Applicable
  09/25/2026 08 AM PDT            2.51         -      Not Applicable
  09/25/2026 09 AM PDT            2.40         -      Not Applicable
  09/25/2026 10 AM PDT            2.62         +      Not Applicable
  09/25/2026 11 AM PDT            3.24         +      Not Applicable
  09/25/2026 12 PM PDT            4.02         +      Not Applicable
  09/25/2026 01 PM PDT            4.78         +      Not Applicable
  09/25/2026 02 PM PDT            5.31         +      Not Applicable
  09/25/2026 03 PM PDT            5.49         +      Not Applicable
  09/25/2026 04 PM PDT            5.31         -      Not Applicable
  09/25/2026 05 PM PDT            4.81         -      Not Applicable
  09/25/2026 06 PM PDT            4.13         -      Not Applicable
  09/25/2026 07 PM PDT            3.44         -      Not Applicable
  09/25/2026 08 PM PDT            2.96         -      Not Applicable
  09/25/2026 09 PM PDT            2.79         -      Not Applicable
  09/25/2026 10 PM PDT            3.00         +      Not Applicable
  09/25/2026 11 PM PDT            3.50         +      Not Applicable
  09/26/2026 12 AM PDT            4.20         +      Not Applicable
  09/26/2026 01 AM PDT            4.86         +      Not Applicable
  09/26/2026 02 AM PDT            5.32         +      Not Applicable
  09/26/2026 03 AM PDT            5.47         +      Not Applicable
  09/26/2026 04 AM PDT            5.26         -      Not Applicable
  09/26/2026 05 AM PDT            4.72         -      Not Applicable
  09/26/2026 06 AM PDT            4.00         -      Not Applicable
  09/26/2026 07 AM PDT            3.29         -      Not Applicable
  09/26/2026 08 AM PDT            2.75         -      Not Applicable
  09/26/2026 09 AM PDT            2.58         -      Not Applicable
  09/26/2026 10 AM PDT            2.83         +      Not Applicable
  09/26/2026 11 AM PDT            3.42         +      Not Applicable
  09/26/2026 12 PM PDT            4.21         +      Not Applicable
  09/26/2026 01 PM PDT            4.99         +      Not Applicable
  09/26/2026 02 PM PDT            5.51         +      Not Applicable
  09/26/2026 03 PM PDT            5.71         +      Not Applicable
  09/26/2026 04 PM PDT            5.55         -      Not Applicable
  09/26/2026 05 PM PDT            5.14         -      Not Applicable
  09/26/2026 06 PM PDT            4.49         -      Not Applicable
  09/26/2026 07 PM PDT            3.78         -      Not Applicable
  09/26/2026 08 PM PDT            3.17         -      Not Applicable
  09/26/2026 09 PM PDT            2.71         -      Not Applicable
  09/26/2026 10 PM PDT            2.58         -      Not Applicable
  09/26/2026 11 PM PDT            2.81         +      Not Applicable
  09/27/2026 12 AM PDT            3.36         +      Not Applicable
  09/27/2026 01 AM PDT            4.07         +      Not Applicable
  09/27/2026 02 AM PDT            4.75         +      Not Applicable
  09/27/2026 03 AM PDT            5.24         +      Not Applicable
  09/27/2026 04 AM PDT            5.40         +      Not Applicable
  09/27/2026 05 AM PDT            5.22         -      Not Applicable
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Trends are determined using hourly change in unrounded stage.
# NOTE 3: Maximum Values are determined using unrounded stage.