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: Aug 01 2026 at 8:06 AM PDTNext Issuance: Aug 02 2026 at 9:00 AM PDT
Action/Monitor: 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:  08/01/2026 at 08:07 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  07/28/2026 at 02:00 AM PDT
# Maximum Observed Stage:                       6.76 Feet
#
# Earliest Date & Time of Maximum Forecast:     08/05/2026 at 09:00 PM PDT
# Maximum Forecast Stage:                       6.37 Feet
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Trend     Observed Status
# ------------------------------------------------------------------
  07/27/2026 08 AM PDT            3.07                Not Applicable
  07/27/2026 09 AM PDT            2.56         -      Not Applicable
  07/27/2026 10 AM PDT            2.24         -      Not Applicable
  07/27/2026 11 AM PDT            2.49         +      Not Applicable
  07/27/2026 12 PM PDT            3.44         +      Not Applicable
  07/27/2026 01 PM PDT            4.32         +      Not Applicable
  07/27/2026 02 PM PDT            4.82         +      Not Applicable
  07/27/2026 03 PM PDT            5.12         +      Not Applicable
  07/27/2026 04 PM PDT            5.33         +      Not Applicable
  07/27/2026 05 PM PDT            5.36         +      Not Applicable
  07/27/2026 06 PM PDT            5.15         -      Not Applicable
  07/27/2026 07 PM PDT            4.71         -      Not Applicable
  07/27/2026 08 PM PDT            4.47         -      Not Applicable
  07/27/2026 09 PM PDT            4.51         +      Not Applicable
  07/27/2026 10 PM PDT            4.98         +      Not Applicable
  07/27/2026 11 PM PDT            5.60         +      Not Applicable
  07/28/2026 12 AM PDT            6.12         +      Not Applicable
  07/28/2026 01 AM PDT            6.54         +      Not Applicable
  07/28/2026 02 AM PDT            6.76         +      Not Applicable
  07/28/2026 03 AM PDT            6.66         -      Not Applicable
  07/28/2026 04 AM PDT            6.07         -      Not Applicable
  07/28/2026 05 AM PDT            5.22         -      Not Applicable
  07/28/2026 06 AM PDT            4.47         -      Not Applicable
  07/28/2026 07 AM PDT            3.88         -      Not Applicable
  07/28/2026 08 AM PDT            3.33         -      Not Applicable
  07/28/2026 09 AM PDT            2.78         -      Not Applicable
  07/28/2026 10 AM PDT            2.35         -      Not Applicable
  07/28/2026 11 AM PDT            2.20         -      Not Applicable
  07/28/2026 12 PM PDT            2.82         +      Not Applicable
  07/28/2026 01 PM PDT            3.89         +      Not Applicable
  07/28/2026 02 PM PDT            4.60         +      Not Applicable
  07/28/2026 03 PM PDT            4.99         +      Not Applicable
  07/28/2026 04 PM PDT            5.25         +      Not Applicable
  07/28/2026 05 PM PDT            5.36         +      Not Applicable
  07/28/2026 06 PM PDT            5.26         -      Not Applicable
  07/28/2026 07 PM PDT            4.84         -      Not Applicable
  07/28/2026 08 PM PDT            4.47         -      Not Applicable
  07/28/2026 09 PM PDT            4.32         -      Not Applicable
  07/28/2026 10 PM PDT            4.58         +      Not Applicable
  07/28/2026 11 PM PDT            5.15         +      Not Applicable
  07/29/2026 12 AM PDT            5.77         +      Not Applicable
  07/29/2026 01 AM PDT            6.31         +      Not Applicable
  07/29/2026 02 AM PDT            6.64         +      Not Applicable
  07/29/2026 03 AM PDT            6.73         +      Not Applicable
  07/29/2026 04 AM PDT            6.48         -      Not Applicable
  07/29/2026 05 AM PDT            5.74         -      Not Applicable
  07/29/2026 06 AM PDT            4.93         -      Not Applicable
  07/29/2026 07 AM PDT            4.21         -      Not Applicable
  07/29/2026 08 AM PDT            3.64         -      Not Applicable
  07/29/2026 09 AM PDT            3.12         -      Not Applicable
  07/29/2026 10 AM PDT            2.61         -      Not Applicable
  07/29/2026 11 AM PDT            2.26         -      Not Applicable
  07/29/2026 12 PM PDT            2.49         +      Not Applicable
  07/29/2026 01 PM PDT            3.50         +      Not Applicable
  07/29/2026 02 PM PDT            4.44         +      Not Applicable
  07/29/2026 03 PM PDT            4.94         +      Not Applicable
  07/29/2026 04 PM PDT            5.24         +      Not Applicable
  07/29/2026 05 PM PDT            5.43         +      Not Applicable
  07/29/2026 06 PM PDT            5.44         +      Not Applicable
  07/29/2026 07 PM PDT            5.13         -      Not Applicable
  07/29/2026 08 PM PDT            4.62         -      Not Applicable
  07/29/2026 09 PM PDT            4.27         -      Not Applicable
  07/29/2026 10 PM PDT            4.23         -      Not Applicable
  07/29/2026 11 PM PDT            4.64         +      Not Applicable
  07/30/2026 12 AM PDT            5.34         +      Not Applicable
  07/30/2026 01 AM PDT            5.94         +      Not Applicable
  07/30/2026 02 AM PDT            6.41         +      Not Applicable
  07/30/2026 03 AM PDT            6.69         +      Not Applicable
  07/30/2026 04 AM PDT            6.69         0      Not Applicable
  07/30/2026 05 AM PDT            6.23         -      Not Applicable
  07/30/2026 06 AM PDT            5.40         -      Not Applicable
  07/30/2026 07 AM PDT            4.61         -      Not Applicable
  07/30/2026 08 AM PDT            3.98         -      Not Applicable
  07/30/2026 09 AM PDT            3.44         -      Not Applicable
  07/30/2026 10 AM PDT            2.92         -      Not Applicable
  07/30/2026 11 AM PDT            2.48         -      Not Applicable
  07/30/2026 12 PM PDT            2.34         -      Not Applicable
  07/30/2026 01 PM PDT            3.07         +      Not Applicable
  07/30/2026 02 PM PDT            4.13         +      Not Applicable
  07/30/2026 03 PM PDT            4.76         +      Not Applicable
  07/30/2026 04 PM PDT            5.17         +      Not Applicable
  07/30/2026 05 PM PDT            5.45         +      Not Applicable
  07/30/2026 06 PM PDT            5.57         +      Not Applicable
  07/30/2026 07 PM PDT            5.37         -      Not Applicable
  07/30/2026 08 PM PDT            4.78         -      Not Applicable
  07/30/2026 09 PM PDT            4.29         -      Not Applicable
  07/30/2026 10 PM PDT            3.96         -      Not Applicable
  07/30/2026 11 PM PDT            4.02         +      Not Applicable
  07/31/2026 12 AM PDT            4.59         +      Not Applicable
  07/31/2026 01 AM PDT            5.34         +      Not Applicable
  07/31/2026 02 AM PDT            5.90         +      Not Applicable
  07/31/2026 03 AM PDT            6.30         +      Not Applicable
  07/31/2026 04 AM PDT            6.49         +      Not Applicable
  07/31/2026 05 AM PDT            6.37         -      Not Applicable
  07/31/2026 06 AM PDT            5.75         -      Not Applicable
  07/31/2026 07 AM PDT            4.91         -      Not Applicable
  07/31/2026 08 AM PDT            4.19         -      Not Applicable
  07/31/2026 09 AM PDT            3.59         -      Not Applicable
  07/31/2026 10 AM PDT            3.09         -      Not Applicable
  07/31/2026 11 AM PDT            2.60         -      Not Applicable
  07/31/2026 12 PM PDT            2.28         -      Not Applicable
  07/31/2026 01 PM PDT            2.59         +      Not Applicable
  07/31/2026 02 PM PDT            3.65         +      Not Applicable
  07/31/2026 03 PM PDT            4.55         +      Not Applicable
  07/31/2026 04 PM PDT            5.04         +      Not Applicable
  07/31/2026 05 PM PDT            5.38         +      Not Applicable
  07/31/2026 06 PM PDT            5.56         +      Not Applicable
  07/31/2026 07 PM PDT            5.50         -      Not Applicable
  07/31/2026 08 PM PDT            5.06         -      Not Applicable
  07/31/2026 09 PM PDT            4.44         -      Not Applicable
  07/31/2026 10 PM PDT            4.00         -      Not Applicable
  07/31/2026 11 PM PDT            3.78         -      Not Applicable
  08/01/2026 12 AM PDT            3.95         +      Not Applicable
  08/01/2026 01 AM PDT            4.61         +      Not Applicable
  08/01/2026 02 AM PDT            5.34         +      Not Applicable
  08/01/2026 03 AM PDT            5.83         +      Not Applicable
  08/01/2026 04 AM PDT            6.16         +      Not Applicable
  08/01/2026 05 AM PDT            6.23         +      Not Applicable
  08/01/2026 06 AM PDT            5.95         -      Not Applicable
  08/01/2026 07 AM PDT            5.37         -      Not Applicable
  08/01/2026 08 AM PDT            4.54         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Trend     Forecast Status
# ------------------------------------------------------------------
  08/01/2026 09 AM PDT            4.54                Not Applicable
  08/01/2026 10 AM PDT            3.63         -      Not Applicable
  08/01/2026 11 AM PDT            2.83         -      Not Applicable
  08/01/2026 12 PM PDT            2.35         -      Not Applicable
  08/01/2026 01 PM PDT            2.18         -      Not Applicable
  08/01/2026 02 PM PDT            2.44         +      Not Applicable
  08/01/2026 03 PM PDT            3.06         +      Not Applicable
  08/01/2026 04 PM PDT            3.89         +      Not Applicable
  08/01/2026 05 PM PDT            4.70         +      Not Applicable
  08/01/2026 06 PM PDT            5.29         +      Not Applicable
  08/01/2026 07 PM PDT            5.50         +      Not Applicable
  08/01/2026 08 PM PDT            5.38         -      Not Applicable
  08/01/2026 09 PM PDT            5.00         -      Not Applicable
  08/01/2026 10 PM PDT            4.45         -      Not Applicable
  08/01/2026 11 PM PDT            3.92         -      Not Applicable
  08/02/2026 12 AM PDT            3.53         -      Not Applicable
  08/02/2026 01 AM PDT            3.44         -      Not Applicable
  08/02/2026 02 AM PDT            3.70         +      Not Applicable
  08/02/2026 03 AM PDT            4.29         +      Not Applicable
  08/02/2026 04 AM PDT            4.97         +      Not Applicable
  08/02/2026 05 AM PDT            5.46         +      Not Applicable
  08/02/2026 06 AM PDT            5.64         +      Not Applicable
  08/02/2026 07 AM PDT            5.48         -      Not Applicable
  08/02/2026 08 AM PDT            5.03         -      Not Applicable
  08/02/2026 09 AM PDT            4.33         -      Not Applicable
  08/02/2026 10 AM PDT            3.54         -      Not Applicable
  08/02/2026 11 AM PDT            2.87         -      Not Applicable
  08/02/2026 12 PM PDT            2.43         -      Not Applicable
  08/02/2026 01 PM PDT            2.29         -      Not Applicable
  08/02/2026 02 PM PDT            2.54         +      Not Applicable
  08/02/2026 03 PM PDT            3.21         +      Not Applicable
  08/02/2026 04 PM PDT            4.05         +      Not Applicable
  08/02/2026 05 PM PDT            4.88         +      Not Applicable
  08/02/2026 06 PM PDT            5.45         +      Not Applicable
  08/02/2026 07 PM PDT            5.68         +      Not Applicable
  08/02/2026 08 PM PDT            5.58         -      Not Applicable
  08/02/2026 09 PM PDT            5.25         -      Not Applicable
  08/02/2026 10 PM PDT            4.75         -      Not Applicable
  08/02/2026 11 PM PDT            4.20         -      Not Applicable
  08/03/2026 12 AM PDT            3.67         -      Not Applicable
  08/03/2026 01 AM PDT            3.35         -      Not Applicable
  08/03/2026 02 AM PDT            3.28         -      Not Applicable
  08/03/2026 03 AM PDT            3.51         +      Not Applicable
  08/03/2026 04 AM PDT            4.07         +      Not Applicable
  08/03/2026 05 AM PDT            4.69         +      Not Applicable
  08/03/2026 06 AM PDT            5.18         +      Not Applicable
  08/03/2026 07 AM PDT            5.36         +      Not Applicable
  08/03/2026 08 AM PDT            5.23         -      Not Applicable
  08/03/2026 09 AM PDT            4.83         -      Not Applicable
  08/03/2026 10 AM PDT            4.23         -      Not Applicable
  08/03/2026 11 AM PDT            3.56         -      Not Applicable
  08/03/2026 12 PM PDT            2.99         -      Not Applicable
  08/03/2026 01 PM PDT            2.58         -      Not Applicable
  08/03/2026 02 PM PDT            2.49         -      Not Applicable
  08/03/2026 03 PM PDT            2.76         +      Not Applicable
  08/03/2026 04 PM PDT            3.42         +      Not Applicable
  08/03/2026 05 PM PDT            4.27         +      Not Applicable
  08/03/2026 06 PM PDT            5.10         +      Not Applicable
  08/03/2026 07 PM PDT            5.67         +      Not Applicable
  08/03/2026 08 PM PDT            5.91         +      Not Applicable
  08/03/2026 09 PM PDT            5.79         -      Not Applicable
  08/03/2026 10 PM PDT            5.40         -      Not Applicable
  08/03/2026 11 PM PDT            4.85         -      Not Applicable
  08/04/2026 12 AM PDT            4.22         -      Not Applicable
  08/04/2026 01 AM PDT            3.63         -      Not Applicable
  08/04/2026 02 AM PDT            3.28         -      Not Applicable
  08/04/2026 03 AM PDT            3.17         -      Not Applicable
  08/04/2026 04 AM PDT            3.38         +      Not Applicable
  08/04/2026 05 AM PDT            3.85         +      Not Applicable
  08/04/2026 06 AM PDT            4.43         +      Not Applicable
  08/04/2026 07 AM PDT            4.88         +      Not Applicable
  08/04/2026 08 AM PDT            5.04         +      Not Applicable
  08/04/2026 09 AM PDT            4.88         -      Not Applicable
  08/04/2026 10 AM PDT            4.45         -      Not Applicable
  08/04/2026 11 AM PDT            3.89         -      Not Applicable
  08/04/2026 12 PM PDT            3.34         -      Not Applicable
  08/04/2026 01 PM PDT            2.93         -      Not Applicable
  08/04/2026 02 PM PDT            2.82         -      Not Applicable
  08/04/2026 03 PM PDT            3.11         +      Not Applicable
  08/04/2026 04 PM PDT            3.71         +      Not Applicable
  08/04/2026 05 PM PDT            4.55         +      Not Applicable
  08/04/2026 06 PM PDT            5.36         +      Not Applicable
  08/04/2026 07 PM PDT            5.93         +      Not Applicable
  08/04/2026 08 PM PDT            6.17         +      Not Applicable
  08/04/2026 09 PM PDT            6.08         -      Not Applicable
  08/04/2026 10 PM PDT            5.73         -      Not Applicable
  08/04/2026 11 PM PDT            5.23         -      Not Applicable
  08/05/2026 12 AM PDT            4.61         -      Not Applicable
  08/05/2026 01 AM PDT            4.01         -      Not Applicable
  08/05/2026 02 AM PDT            3.49         -      Not Applicable
  08/05/2026 03 AM PDT            3.17         -      Not Applicable
  08/05/2026 04 AM PDT            3.05         -      Not Applicable
  08/05/2026 05 AM PDT            3.18         +      Not Applicable
  08/05/2026 06 AM PDT            3.49         +      Not Applicable
  08/05/2026 07 AM PDT            3.93         +      Not Applicable
  08/05/2026 08 AM PDT            4.37         +      Not Applicable
  08/05/2026 09 AM PDT            4.66         +      Not Applicable
  08/05/2026 10 AM PDT            4.76         +      Not Applicable
  08/05/2026 11 AM PDT            4.57         -      Not Applicable
  08/05/2026 12 PM PDT            4.19         -      Not Applicable
  08/05/2026 01 PM PDT            3.68         -      Not Applicable
  08/05/2026 02 PM PDT            3.34         -      Not Applicable
  08/05/2026 03 PM PDT            3.24         -      Not Applicable
  08/05/2026 04 PM PDT            3.48         +      Not Applicable
  08/05/2026 05 PM PDT            4.08         +      Not Applicable
  08/05/2026 06 PM PDT            4.86         +      Not Applicable
  08/05/2026 07 PM PDT            5.59         +      Not Applicable
  08/05/2026 08 PM PDT            6.15         +      Not Applicable
  08/05/2026 09 PM PDT            6.37         +      Not Applicable
  08/05/2026 10 PM PDT            6.26         -      Not Applicable
  08/05/2026 11 PM PDT            5.88         -      Not Applicable
  08/06/2026 12 AM PDT            5.32         -      Not Applicable
  08/06/2026 01 AM PDT            4.66         -      Not Applicable
  08/06/2026 02 AM PDT            4.01         -      Not Applicable
  08/06/2026 03 AM PDT            3.44         -      Not Applicable
  08/06/2026 04 AM PDT            3.09         -      Not Applicable
  08/06/2026 05 AM PDT            2.95         -      Not Applicable
  08/06/2026 06 AM PDT            3.08         +      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.