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 Feet
Location: Contra Costa County in CaliforniaBulletin Group: Lower SacramentoRiver Group: Lower Sacramento
Issuance Time: May 20 2025 at 8:14 AM PDTNext Issuance: May 21 2025 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:  05/20/2025 at 08:15 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/16/2025 at 05:00 AM PDT
# Maximum Observed Stage:                       6.49 Feet
#
# Earliest Date & Time of Maximum Forecast:     05/25/2025 at 01:00 AM PDT
# Maximum Forecast Stage:                       6.46 Feet
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Trend     Observed Status
# ------------------------------------------------------------------
  05/15/2025 08 AM PDT            4.23                Not Applicable
  05/15/2025 09 AM PDT            3.58         -      Not Applicable
  05/15/2025 10 AM PDT            2.98         -      Not Applicable
  05/15/2025 11 AM PDT            2.44         -      Not Applicable
  05/15/2025 12 PM PDT            1.96         -      Not Applicable
  05/15/2025 01 PM PDT            1.78         -      Not Applicable
  05/15/2025 02 PM PDT            2.25         +      Not Applicable
  05/15/2025 03 PM PDT            3.29         +      Not Applicable
  05/15/2025 04 PM PDT            4.09         +      Not Applicable
  05/15/2025 05 PM PDT            4.56         +      Not Applicable
  05/15/2025 06 PM PDT            4.91         +      Not Applicable
  05/15/2025 07 PM PDT            5.12         +      Not Applicable
  05/15/2025 08 PM PDT            5.17         +      Not Applicable
  05/15/2025 09 PM PDT            4.96         -      Not Applicable
  05/15/2025 10 PM PDT            4.64         -      Not Applicable
  05/15/2025 11 PM PDT            4.54         -      Not Applicable
  05/16/2025 12 AM PDT            4.74         +      Not Applicable
  05/16/2025 01 AM PDT            5.18         +      Not Applicable
  05/16/2025 02 AM PDT            5.66         +      Not Applicable
  05/16/2025 03 AM PDT            6.06         +      Not Applicable
  05/16/2025 04 AM PDT            6.38         +      Not Applicable
  05/16/2025 05 AM PDT            6.49         +      Not Applicable
  05/16/2025 06 AM PDT            6.25         -      Not Applicable
  05/16/2025 07 AM PDT            5.66         -      Not Applicable
  05/16/2025 08 AM PDT            4.87         -      Not Applicable
  05/16/2025 09 AM PDT            4.15         -      Not Applicable
  05/16/2025 10 AM PDT            3.53         -      Not Applicable
  05/16/2025 11 AM PDT            2.95         -      Not Applicable
  05/16/2025 12 PM PDT            2.41         -      Not Applicable
  05/16/2025 01 PM PDT            2.01         -      Not Applicable
  05/16/2025 02 PM PDT            2.00         -      Not Applicable
  05/16/2025 03 PM PDT            2.64         +      Not Applicable
  05/16/2025 04 PM PDT            3.63         +      Not Applicable
  05/16/2025 05 PM PDT            4.29         +      Not Applicable
  05/16/2025 06 PM PDT            4.72         +      Not Applicable
  05/16/2025 07 PM PDT            5.02         +      Not Applicable
  05/16/2025 08 PM PDT            5.18         +      Not Applicable
  05/16/2025 09 PM PDT            5.16         -      Not Applicable
  05/16/2025 10 PM PDT            4.99         -      Not Applicable
  05/16/2025 11 PM PDT            4.81         -      Not Applicable
  05/17/2025 12 AM PDT            4.83         +      Not Applicable
  05/17/2025 01 AM PDT            5.04         +      Not Applicable
  05/17/2025 02 AM PDT            5.42         +      Not Applicable
  05/17/2025 03 AM PDT            5.84         +      Not Applicable
  05/17/2025 04 AM PDT            6.18         +      Not Applicable
  05/17/2025 05 AM PDT            6.40         +      Not Applicable
  05/17/2025 06 AM PDT            6.43         +      Not Applicable
  05/17/2025 07 AM PDT            6.10         -      Not Applicable
  05/17/2025 08 AM PDT            5.44         -      Not Applicable
  05/17/2025 09 AM PDT            4.74         -      Not Applicable
  05/17/2025 10 AM PDT            4.14         -      Not Applicable
  05/17/2025 11 AM PDT            3.58         -      Not Applicable
  05/17/2025 12 PM PDT            3.01         -      Not Applicable
  05/17/2025 01 PM PDT            2.53         -      Not Applicable
  05/17/2025 02 PM PDT            2.27         -      Not Applicable
  05/17/2025 03 PM PDT            2.41         +      Not Applicable
  05/17/2025 04 PM PDT            3.22         +      Not Applicable
  05/17/2025 05 PM PDT            4.14         +      Not Applicable
  05/17/2025 06 PM PDT            4.69         +      Not Applicable
  05/17/2025 07 PM PDT            5.05         +      Not Applicable
  05/17/2025 08 PM PDT            5.28         +      Not Applicable
  05/17/2025 09 PM PDT            5.38         +      Not Applicable
  05/17/2025 10 PM PDT            5.33         -      Not Applicable
  05/17/2025 11 PM PDT            5.03         -      Not Applicable
  05/18/2025 12 AM PDT            4.72         -      Not Applicable
  05/18/2025 01 AM PDT            4.59         -      Not Applicable
  05/18/2025 02 AM PDT            4.75         +      Not Applicable
  05/18/2025 03 AM PDT            5.11         +      Not Applicable
  05/18/2025 04 AM PDT            5.48         +      Not Applicable
  05/18/2025 05 AM PDT            5.78         +      Not Applicable
  05/18/2025 06 AM PDT            5.92         +      Not Applicable
  05/18/2025 07 AM PDT            5.83         -      Not Applicable
  05/18/2025 08 AM PDT            5.42         -      Not Applicable
  05/18/2025 09 AM PDT            4.80         -      Not Applicable
  05/18/2025 10 AM PDT            4.11         -      Not Applicable
  05/18/2025 11 AM PDT            3.48         -      Not Applicable
  05/18/2025 12 PM PDT            2.80         -      Not Applicable
  05/18/2025 01 PM PDT            2.26         -      Not Applicable
  05/18/2025 02 PM PDT            1.80         -      Not Applicable
  05/18/2025 03 PM PDT            1.64         -      Not Applicable
  05/18/2025 04 PM PDT            1.99         +      Not Applicable
  05/18/2025 05 PM PDT            2.92         +      Not Applicable
  05/18/2025 06 PM PDT            3.74         +      Not Applicable
  05/18/2025 07 PM PDT            4.26         +      Not Applicable
  05/18/2025 08 PM PDT            4.67         +      Not Applicable
  05/18/2025 09 PM PDT            4.95         +      Not Applicable
  05/18/2025 10 PM PDT            5.08         +      Not Applicable
  05/18/2025 11 PM PDT            5.00         -      Not Applicable
  05/19/2025 12 AM PDT            4.73         -      Not Applicable
  05/19/2025 01 AM PDT            4.51         -      Not Applicable
  05/19/2025 02 AM PDT            4.40         -      Not Applicable
  05/19/2025 03 AM PDT            4.52         +      Not Applicable
  05/19/2025 04 AM PDT            4.78         +      Not Applicable
  05/19/2025 05 AM PDT            5.09         +      Not Applicable
  05/19/2025 06 AM PDT            5.35         +      Not Applicable
  05/19/2025 07 AM PDT            5.49         +      Not Applicable
  05/19/2025 08 AM PDT            5.41         -      Not Applicable
  05/19/2025 09 AM PDT            5.02         -      Not Applicable
  05/19/2025 10 AM PDT            4.41         -      Not Applicable
  05/19/2025 11 AM PDT            3.76         -      Not Applicable
  05/19/2025 12 PM PDT            3.11         -      Not Applicable
  05/19/2025 01 PM PDT            2.51         -      Not Applicable
  05/19/2025 02 PM PDT            1.98         -      Not Applicable
  05/19/2025 03 PM PDT            1.61         -      Not Applicable
  05/19/2025 04 PM PDT            1.57         -      Not Applicable
  05/19/2025 05 PM PDT            2.10         +      Not Applicable
  05/19/2025 06 PM PDT            3.04         +      Not Applicable
  05/19/2025 07 PM PDT            3.76         +      Not Applicable
  05/19/2025 08 PM PDT            4.32         +      Not Applicable
  05/19/2025 09 PM PDT            4.77         +      Not Applicable
  05/19/2025 10 PM PDT            5.05         +      Not Applicable
  05/19/2025 11 PM PDT            5.17         +      Not Applicable
  05/20/2025 12 AM PDT            5.05         -      Not Applicable
  05/20/2025 01 AM PDT            4.70         -      Not Applicable
  05/20/2025 02 AM PDT            4.34         -      Not Applicable
  05/20/2025 03 AM PDT            4.10         -      Not Applicable
  05/20/2025 04 AM PDT            4.04         -      Not Applicable
  05/20/2025 05 AM PDT            4.23         +      Not Applicable
  05/20/2025 06 AM PDT            4.60         +      Not Applicable
  05/20/2025 07 AM PDT            4.97         +      Not Applicable
  05/20/2025 08 AM PDT            5.22         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Trend     Forecast Status
# ------------------------------------------------------------------
  05/20/2025 09 AM PDT            5.26                Not Applicable
  05/20/2025 10 AM PDT            5.05         -      Not Applicable
  05/20/2025 11 AM PDT            4.54         -      Not Applicable
  05/20/2025 12 PM PDT            3.87         -      Not Applicable
  05/20/2025 01 PM PDT            3.19         -      Not Applicable
  05/20/2025 02 PM PDT            2.53         -      Not Applicable
  05/20/2025 03 PM PDT            2.13         -      Not Applicable
  05/20/2025 04 PM PDT            1.98         -      Not Applicable
  05/20/2025 05 PM PDT            2.16         +      Not Applicable
  05/20/2025 06 PM PDT            2.58         +      Not Applicable
  05/20/2025 07 PM PDT            3.26         +      Not Applicable
  05/20/2025 08 PM PDT            3.97         +      Not Applicable
  05/20/2025 09 PM PDT            4.58         +      Not Applicable
  05/20/2025 10 PM PDT            5.03         +      Not Applicable
  05/20/2025 11 PM PDT            5.17         +      Not Applicable
  05/21/2025 12 AM PDT            5.04         -      Not Applicable
  05/21/2025 01 AM PDT            4.67         -      Not Applicable
  05/21/2025 02 AM PDT            4.18         -      Not Applicable
  05/21/2025 03 AM PDT            3.68         -      Not Applicable
  05/21/2025 04 AM PDT            3.34         -      Not Applicable
  05/21/2025 05 AM PDT            3.25         -      Not Applicable
  05/21/2025 06 AM PDT            3.42         +      Not Applicable
  05/21/2025 07 AM PDT            3.86         +      Not Applicable
  05/21/2025 08 AM PDT            4.37         +      Not Applicable
  05/21/2025 09 AM PDT            4.76         +      Not Applicable
  05/21/2025 10 AM PDT            4.92         +      Not Applicable
  05/21/2025 11 AM PDT            4.76         -      Not Applicable
  05/21/2025 12 PM PDT            4.36         -      Not Applicable
  05/21/2025 01 PM PDT            3.79         -      Not Applicable
  05/21/2025 02 PM PDT            3.19         -      Not Applicable
  05/21/2025 03 PM PDT            2.59         -      Not Applicable
  05/21/2025 04 PM PDT            2.25         -      Not Applicable
  05/21/2025 05 PM PDT            2.12         -      Not Applicable
  05/21/2025 06 PM PDT            2.33         +      Not Applicable
  05/21/2025 07 PM PDT            2.77         +      Not Applicable
  05/21/2025 08 PM PDT            3.44         +      Not Applicable
  05/21/2025 09 PM PDT            4.19         +      Not Applicable
  05/21/2025 10 PM PDT            4.84         +      Not Applicable
  05/21/2025 11 PM PDT            5.27         +      Not Applicable
  05/22/2025 12 AM PDT            5.40         +      Not Applicable
  05/22/2025 01 AM PDT            5.22         -      Not Applicable
  05/22/2025 02 AM PDT            4.74         -      Not Applicable
  05/22/2025 03 AM PDT            4.11         -      Not Applicable
  05/22/2025 04 AM PDT            3.45         -      Not Applicable
  05/22/2025 05 AM PDT            3.01         -      Not Applicable
  05/22/2025 06 AM PDT            2.85         -      Not Applicable
  05/22/2025 07 AM PDT            3.08         +      Not Applicable
  05/22/2025 08 AM PDT            3.55         +      Not Applicable
  05/22/2025 09 AM PDT            4.17         +      Not Applicable
  05/22/2025 10 AM PDT            4.61         +      Not Applicable
  05/22/2025 11 AM PDT            4.81         +      Not Applicable
  05/22/2025 12 PM PDT            4.68         -      Not Applicable
  05/22/2025 01 PM PDT            4.34         -      Not Applicable
  05/22/2025 02 PM PDT            3.84         -      Not Applicable
  05/22/2025 03 PM PDT            3.30         -      Not Applicable
  05/22/2025 04 PM PDT            2.78         -      Not Applicable
  05/22/2025 05 PM PDT            2.46         -      Not Applicable
  05/22/2025 06 PM PDT            2.39         -      Not Applicable
  05/22/2025 07 PM PDT            2.65         +      Not Applicable
  05/22/2025 08 PM PDT            3.30         +      Not Applicable
  05/22/2025 09 PM PDT            4.13         +      Not Applicable
  05/22/2025 10 PM PDT            4.94         +      Not Applicable
  05/22/2025 11 PM PDT            5.48         +      Not Applicable
  05/23/2025 12 AM PDT            5.70         +      Not Applicable
  05/23/2025 01 AM PDT            5.54         -      Not Applicable
  05/23/2025 02 AM PDT            5.10         -      Not Applicable
  05/23/2025 03 AM PDT            4.43         -      Not Applicable
  05/23/2025 04 AM PDT            3.68         -      Not Applicable
  05/23/2025 05 AM PDT            3.04         -      Not Applicable
  05/23/2025 06 AM PDT            2.56         -      Not Applicable
  05/23/2025 07 AM PDT            2.44         -      Not Applicable
  05/23/2025 08 AM PDT            2.59         +      Not Applicable
  05/23/2025 09 AM PDT            3.07         +      Not Applicable
  05/23/2025 10 AM PDT            3.65         +      Not Applicable
  05/23/2025 11 AM PDT            4.26         +      Not Applicable
  05/23/2025 12 PM PDT            4.67         +      Not Applicable
  05/23/2025 01 PM PDT            4.80         +      Not Applicable
  05/23/2025 02 PM PDT            4.55         -      Not Applicable
  05/23/2025 03 PM PDT            4.04         -      Not Applicable
  05/23/2025 04 PM PDT            3.40         -      Not Applicable
  05/23/2025 05 PM PDT            2.91         -      Not Applicable
  05/23/2025 06 PM PDT            2.71         -      Not Applicable
  05/23/2025 07 PM PDT            2.90         +      Not Applicable
  05/23/2025 08 PM PDT            3.39         +      Not Applicable
  05/23/2025 09 PM PDT            4.09         +      Not Applicable
  05/23/2025 10 PM PDT            4.84         +      Not Applicable
  05/23/2025 11 PM PDT            5.49         +      Not Applicable
  05/24/2025 12 AM PDT            5.96         +      Not Applicable
  05/24/2025 01 AM PDT            6.11         +      Not Applicable
  05/24/2025 02 AM PDT            5.88         -      Not Applicable
  05/24/2025 03 AM PDT            5.31         -      Not Applicable
  05/24/2025 04 AM PDT            4.51         -      Not Applicable
  05/24/2025 05 AM PDT            3.61         -      Not Applicable
  05/24/2025 06 AM PDT            2.84         -      Not Applicable
  05/24/2025 07 AM PDT            2.33         -      Not Applicable
  05/24/2025 08 AM PDT            2.13         -      Not Applicable
  05/24/2025 09 AM PDT            2.35         +      Not Applicable
  05/24/2025 10 AM PDT            2.84         +      Not Applicable
  05/24/2025 11 AM PDT            3.52         +      Not Applicable
  05/24/2025 12 PM PDT            4.23         +      Not Applicable
  05/24/2025 01 PM PDT            4.71         +      Not Applicable
  05/24/2025 02 PM PDT            4.89         +      Not Applicable
  05/24/2025 03 PM PDT            4.68         -      Not Applicable
  05/24/2025 04 PM PDT            4.23         -      Not Applicable
  05/24/2025 05 PM PDT            3.66         -      Not Applicable
  05/24/2025 06 PM PDT            3.26         -      Not Applicable
  05/24/2025 07 PM PDT            3.13         -      Not Applicable
  05/24/2025 08 PM PDT            3.39         +      Not Applicable
  05/24/2025 09 PM PDT            4.02         +      Not Applicable
  05/24/2025 10 PM PDT            4.85         +      Not Applicable
  05/24/2025 11 PM PDT            5.63         +      Not Applicable
  05/25/2025 12 AM PDT            6.24         +      Not Applicable
  05/25/2025 01 AM PDT            6.46         +      Not Applicable
  05/25/2025 02 AM PDT            6.28         -      Not Applicable
  05/25/2025 03 AM PDT            5.77         -      Not Applicable
  05/25/2025 04 AM PDT            5.04         -      Not Applicable
  05/25/2025 05 AM PDT            4.15         -      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.