National Weather Service California-Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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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: Oct 31 2026 at 8:29 AM PDTNext Issuance: Nov 01 2026 at 9:00 AM PST
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:  10/31/2026 at 08:30 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  10/29/2026 at 05:00 PM PDT
# Maximum Observed Stage:                       7.95 Feet
#
# Earliest Date & Time of Maximum Forecast:     10/31/2026 at 07:00 PM PDT
# Maximum Forecast Stage:                       6.70 Feet
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Trend     Observed Status
# ------------------------------------------------------------------
  10/26/2026 08 AM PDT            4.28                Not Applicable
  10/26/2026 09 AM PDT            4.01         -      Not Applicable
  10/26/2026 10 AM PDT            4.18         +      Not Applicable
  10/26/2026 11 AM PDT            5.01         +      Not Applicable
  10/26/2026 12 PM PDT            5.96         +      Not Applicable
  10/26/2026 01 PM PDT            6.59         +      Not Applicable
  10/26/2026 02 PM PDT            7.01         +      Not Applicable
  10/26/2026 03 PM PDT            7.31         +      Not Applicable
  10/26/2026 04 PM PDT            7.31         0      Not Applicable
  10/26/2026 05 PM PDT            6.78         -      Not Applicable
  10/26/2026 06 PM PDT            5.82         -      Not Applicable
  10/26/2026 07 PM PDT            5.10         -      Not Applicable
  10/26/2026 08 PM PDT            4.52         -      Not Applicable
  10/26/2026 09 PM PDT            3.95         -      Not Applicable
  10/26/2026 10 PM PDT            3.38         -      Not Applicable
  10/26/2026 11 PM PDT            3.02         -      Not Applicable
  10/27/2026 12 AM PDT            3.14         +      Not Applicable
  10/27/2026 01 AM PDT            4.15         +      Not Applicable
  10/27/2026 02 AM PDT            5.22         +      Not Applicable
  10/27/2026 03 AM PDT            5.70         +      Not Applicable
  10/27/2026 04 AM PDT            5.99         +      Not Applicable
  10/27/2026 05 AM PDT            6.12         +      Not Applicable
  10/27/2026 06 AM PDT            5.98         -      Not Applicable
  10/27/2026 07 AM PDT            5.46         -      Not Applicable
  10/27/2026 08 AM PDT            4.81         -      Not Applicable
  10/27/2026 09 AM PDT            4.37         -      Not Applicable
  10/27/2026 10 AM PDT            4.23         -      Not Applicable
  10/27/2026 11 AM PDT            4.70         +      Not Applicable
  10/27/2026 12 PM PDT            5.62         +      Not Applicable
  10/27/2026 01 PM PDT            6.39         +      Not Applicable
  10/27/2026 02 PM PDT            6.92         +      Not Applicable
  10/27/2026 03 PM PDT            7.28         +      Not Applicable
  10/27/2026 04 PM PDT            7.46         +      Not Applicable
  10/27/2026 05 PM PDT            7.26         -      Not Applicable
  10/27/2026 06 PM PDT            6.45         -      Not Applicable
  10/27/2026 07 PM PDT            5.52         -      Not Applicable
  10/27/2026 08 PM PDT            4.88         -      Not Applicable
  10/27/2026 09 PM PDT            4.30         -      Not Applicable
  10/27/2026 10 PM PDT            3.68         -      Not Applicable
  10/27/2026 11 PM PDT            3.16         -      Not Applicable
  10/28/2026 12 AM PDT            2.78         -      Not Applicable
  10/28/2026 01 AM PDT            2.96         +      Not Applicable
  10/28/2026 02 AM PDT            4.02         +      Not Applicable
  10/28/2026 03 AM PDT            5.04         +      Not Applicable
  10/28/2026 04 AM PDT            5.52         +      Not Applicable
  10/28/2026 05 AM PDT            5.81         +      Not Applicable
  10/28/2026 06 AM PDT            5.93         +      Not Applicable
  10/28/2026 07 AM PDT            5.79         -      Not Applicable
  10/28/2026 08 AM PDT            5.30         -      Not Applicable
  10/28/2026 09 AM PDT            4.72         -      Not Applicable
  10/28/2026 10 AM PDT            4.38         -      Not Applicable
  10/28/2026 11 AM PDT            4.44         +      Not Applicable
  10/28/2026 12 PM PDT            5.08         +      Not Applicable
  10/28/2026 01 PM PDT            5.92         +      Not Applicable
  10/28/2026 02 PM PDT            6.58         +      Not Applicable
  10/28/2026 03 PM PDT            7.08         +      Not Applicable
  10/28/2026 04 PM PDT            7.40         +      Not Applicable
  10/28/2026 05 PM PDT            7.48         +      Not Applicable
  10/28/2026 06 PM PDT            7.10         -      Not Applicable
  10/28/2026 07 PM PDT            6.20         -      Not Applicable
  10/28/2026 08 PM PDT            5.38         -      Not Applicable
  10/28/2026 09 PM PDT            4.77         -      Not Applicable
  10/28/2026 10 PM PDT            4.15         -      Not Applicable
  10/28/2026 11 PM PDT            3.57         -      Not Applicable
  10/29/2026 12 AM PDT            3.05         -      Not Applicable
  10/29/2026 01 AM PDT            2.74         -      Not Applicable
  10/29/2026 02 AM PDT            3.01         +      Not Applicable
  10/29/2026 03 AM PDT            4.14         +      Not Applicable
  10/29/2026 04 AM PDT            5.09         +      Not Applicable
  10/29/2026 05 AM PDT            5.53         +      Not Applicable
  10/29/2026 06 AM PDT            5.82         +      Not Applicable
  10/29/2026 07 AM PDT            5.96         +      Not Applicable
  10/29/2026 08 AM PDT            5.92         -      Not Applicable
  10/29/2026 09 AM PDT            5.57         -      Not Applicable
  10/29/2026 10 AM PDT            5.11         -      Not Applicable
  10/29/2026 11 AM PDT            4.88         -      Not Applicable
  10/29/2026 12 PM PDT            5.13         +      Not Applicable
  10/29/2026 01 PM PDT            5.69         +      Not Applicable
  10/29/2026 02 PM PDT            6.46         +      Not Applicable
  10/29/2026 03 PM PDT            7.22         +      Not Applicable
  10/29/2026 04 PM PDT            7.77         +      Not Applicable
  10/29/2026 05 PM PDT            7.95         +      Not Applicable
  10/29/2026 06 PM PDT            7.71         -      Not Applicable
  10/29/2026 07 PM PDT            7.10         -      Not Applicable
  10/29/2026 08 PM PDT            6.19         -      Not Applicable
  10/29/2026 09 PM PDT            5.45         -      Not Applicable
  10/29/2026 10 PM PDT            4.86         -      Not Applicable
  10/29/2026 11 PM PDT            4.26         -      Not Applicable
  10/30/2026 12 AM PDT            3.69         -      Not Applicable
  10/30/2026 01 AM PDT            3.18         -      Not Applicable
  10/30/2026 02 AM PDT            2.94         -      Not Applicable
  10/30/2026 03 AM PDT            3.34         +      Not Applicable
  10/30/2026 04 AM PDT            4.44         +      Not Applicable
  10/30/2026 05 AM PDT            5.29         +      Not Applicable
  10/30/2026 06 AM PDT            5.69         +      Not Applicable
  10/30/2026 07 AM PDT            5.98         +      Not Applicable
  10/30/2026 08 AM PDT            6.13         +      Not Applicable
  10/30/2026 09 AM PDT            6.14         +      Not Applicable
  10/30/2026 10 AM PDT            5.88         -      Not Applicable
  10/30/2026 11 AM PDT            5.50         -      Not Applicable
  10/30/2026 12 PM PDT            5.36         -      Not Applicable
  10/30/2026 01 PM PDT            5.56         +      Not Applicable
  10/30/2026 02 PM PDT            6.11         +      Not Applicable
  10/30/2026 03 PM PDT            6.69         +      Not Applicable
  10/30/2026 04 PM PDT            7.19         +      Not Applicable
  10/30/2026 05 PM PDT            7.57         +      Not Applicable
  10/30/2026 06 PM PDT            7.77         +      Not Applicable
  10/30/2026 07 PM PDT            7.67         -      Not Applicable
  10/30/2026 08 PM PDT            7.13         -      Not Applicable
  10/30/2026 09 PM PDT            6.31         -      Not Applicable
  10/30/2026 10 PM PDT            5.61         -      Not Applicable
  10/30/2026 11 PM PDT            5.03         -      Not Applicable
  10/31/2026 12 AM PDT            4.43         -      Not Applicable
  10/31/2026 01 AM PDT            3.89         -      Not Applicable
  10/31/2026 02 AM PDT            3.43         -      Not Applicable
  10/31/2026 03 AM PDT            3.17         -      Not Applicable
  10/31/2026 04 AM PDT            3.49         +      Not Applicable
  10/31/2026 05 AM PDT            4.12         +      Not Applicable
  10/31/2026 06 AM PDT            4.76         +      Not Applicable
  10/31/2026 07 AM PDT            5.34         +      Not Applicable
  10/31/2026 08 AM PDT            5.75         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Trend     Forecast Status
# ------------------------------------------------------------------
  10/31/2026 09 AM PDT            5.88                Not Applicable
  10/31/2026 10 AM PDT            5.77         -      Not Applicable
  10/31/2026 11 AM PDT            5.44         -      Not Applicable
  10/31/2026 12 PM PDT            5.09         -      Not Applicable
  10/31/2026 01 PM PDT            4.80         -      Not Applicable
  10/31/2026 02 PM PDT            4.73         -      Not Applicable
  10/31/2026 03 PM PDT            4.97         +      Not Applicable
  10/31/2026 04 PM PDT            5.47         +      Not Applicable
  10/31/2026 05 PM PDT            6.07         +      Not Applicable
  10/31/2026 06 PM PDT            6.52         +      Not Applicable
  10/31/2026 07 PM PDT            6.70         +      Not Applicable
  10/31/2026 08 PM PDT            6.54         -      Not Applicable
  10/31/2026 09 PM PDT            6.10         -      Not Applicable
  10/31/2026 10 PM PDT            5.46         -      Not Applicable
  10/31/2026 11 PM PDT            4.71         -      Not Applicable
  11/01/2026 12 AM PDT            3.96         -      Not Applicable
  11/01/2026 01 AM PDT            3.28         -      Not Applicable
  11/01/2026 01 AM PST            2.88         -      Not Applicable
  11/01/2026 02 AM PST            2.73         -      Not Applicable
  11/01/2026 03 AM PST            2.89         +      Not Applicable
  11/01/2026 04 AM PST            3.28         +      Not Applicable
  11/01/2026 05 AM PST            3.93         +      Not Applicable
  11/01/2026 06 AM PST            4.59         +      Not Applicable
  11/01/2026 07 AM PST            5.17         +      Not Applicable
  11/01/2026 08 AM PST            5.60         +      Not Applicable
  11/01/2026 09 AM PST            5.72         +      Not Applicable
  11/01/2026 10 AM PST            5.58         -      Not Applicable
  11/01/2026 11 AM PST            5.20         -      Not Applicable
  11/01/2026 12 PM PST            4.79         -      Not Applicable
  11/01/2026 01 PM PST            4.44         -      Not Applicable
  11/01/2026 02 PM PST            4.33         -      Not Applicable
  11/01/2026 03 PM PST            4.55         +      Not Applicable
  11/01/2026 04 PM PST            4.99         +      Not Applicable
  11/01/2026 05 PM PST            5.54         +      Not Applicable
  11/01/2026 06 PM PST            5.93         +      Not Applicable
  11/01/2026 07 PM PST            6.07         +      Not Applicable
  11/01/2026 08 PM PST            5.93         -      Not Applicable
  11/01/2026 09 PM PST            5.56         -      Not Applicable
  11/01/2026 10 PM PST            4.96         -      Not Applicable
  11/01/2026 11 PM PST            4.26         -      Not Applicable
  11/02/2026 12 AM PST            3.60         -      Not Applicable
  11/02/2026 01 AM PST            3.00         -      Not Applicable
  11/02/2026 02 AM PST            2.63         -      Not Applicable
  11/02/2026 03 AM PST            2.49         -      Not Applicable
  11/02/2026 04 AM PST            2.68         +      Not Applicable
  11/02/2026 05 AM PST            3.09         +      Not Applicable
  11/02/2026 06 AM PST            3.75         +      Not Applicable
  11/02/2026 07 AM PST            4.45         +      Not Applicable
  11/02/2026 08 AM PST            5.06         +      Not Applicable
  11/02/2026 09 AM PST            5.49         +      Not Applicable
  11/02/2026 10 AM PST            5.61         +      Not Applicable
  11/02/2026 11 AM PST            5.41         -      Not Applicable
  11/02/2026 12 PM PST            4.93         -      Not Applicable
  11/02/2026 01 PM PST            4.40         -      Not Applicable
  11/02/2026 02 PM PST            3.94         -      Not Applicable
  11/02/2026 03 PM PST            3.79         -      Not Applicable
  11/02/2026 04 PM PST            3.89         +      Not Applicable
  11/02/2026 05 PM PST            4.24         +      Not Applicable
  11/02/2026 06 PM PST            4.70         +      Not Applicable
  11/02/2026 07 PM PST            5.17         +      Not Applicable
  11/02/2026 08 PM PST            5.48         +      Not Applicable
  11/02/2026 09 PM PST            5.57         +      Not Applicable
  11/02/2026 10 PM PST            5.38         -      Not Applicable
  11/02/2026 11 PM PST            4.90         -      Not Applicable
  11/03/2026 12 AM PST            4.26         -      Not Applicable
  11/03/2026 01 AM PST            3.54         -      Not Applicable
  11/03/2026 02 AM PST            2.86         -      Not Applicable
  11/03/2026 03 AM PST            2.45         -      Not Applicable
  11/03/2026 04 AM PST            2.29         -      Not Applicable
  11/03/2026 05 AM PST            2.48         +      Not Applicable
  11/03/2026 06 AM PST            2.91         +      Not Applicable
  11/03/2026 07 AM PST            3.60         +      Not Applicable
  11/03/2026 08 AM PST            4.34         +      Not Applicable
  11/03/2026 09 AM PST            4.98         +      Not Applicable
  11/03/2026 10 AM PST            5.42         +      Not Applicable
  11/03/2026 11 AM PST            5.55         +      Not Applicable
  11/03/2026 12 PM PST            5.37         -      Not Applicable
  11/03/2026 01 PM PST            4.92         -      Not Applicable
  11/03/2026 02 PM PST            4.32         -      Not Applicable
  11/03/2026 03 PM PST            3.70         -      Not Applicable
  11/03/2026 04 PM PST            3.30         -      Not Applicable
  11/03/2026 05 PM PST            3.16         -      Not Applicable
  11/03/2026 06 PM PST            3.39         +      Not Applicable
  11/03/2026 07 PM PST            3.89         +      Not Applicable
  11/03/2026 08 PM PST            4.50         +      Not Applicable
  11/03/2026 09 PM PST            4.99         +      Not Applicable
  11/03/2026 10 PM PST            5.16         +      Not Applicable
  11/03/2026 11 PM PST            5.01         -      Not Applicable
  11/04/2026 12 AM PST            4.56         -      Not Applicable
  11/04/2026 01 AM PST            3.96         -      Not Applicable
  11/04/2026 02 AM PST            3.30         -      Not Applicable
  11/04/2026 03 AM PST            2.66         -      Not Applicable
  11/04/2026 04 AM PST            2.29         -      Not Applicable
  11/04/2026 05 AM PST            2.16         -      Not Applicable
  11/04/2026 06 AM PST            2.43         +      Not Applicable
  11/04/2026 07 AM PST            3.06         +      Not Applicable
  11/04/2026 08 AM PST            3.90         +      Not Applicable
  11/04/2026 09 AM PST            4.73         +      Not Applicable
  11/04/2026 10 AM PST            5.31         +      Not Applicable
  11/04/2026 11 AM PST            5.52         +      Not Applicable
  11/04/2026 12 PM PST            5.40         -      Not Applicable
  11/04/2026 01 PM PST            5.00         -      Not Applicable
  11/04/2026 02 PM PST            4.38         -      Not Applicable
  11/04/2026 03 PM PST            3.70         -      Not Applicable
  11/04/2026 04 PM PST            3.13         -      Not Applicable
  11/04/2026 05 PM PST            2.69         -      Not Applicable
  11/04/2026 06 PM PST            2.58         -      Not Applicable
  11/04/2026 07 PM PST            2.88         +      Not Applicable
  11/04/2026 08 PM PST            3.49         +      Not Applicable
  11/04/2026 09 PM PST            4.22         +      Not Applicable
  11/04/2026 10 PM PST            4.78         +      Not Applicable
  11/04/2026 11 PM PST            5.00         +      Not Applicable
  11/05/2026 12 AM PST            4.89         -      Not Applicable
  11/05/2026 01 AM PST            4.49         -      Not Applicable
  11/05/2026 02 AM PST            3.94         -      Not Applicable
  11/05/2026 03 AM PST            3.33         -      Not Applicable
  11/05/2026 04 AM PST            2.76         -      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.