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: May 19 2026 at 7:58 AM PDTNext Issuance: May 20 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:  05/19/2026 at 08:00 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/17/2026 at 03:00 AM PDT
# Maximum Observed Stage:                       6.81 Feet
#
# Earliest Date & Time of Maximum Forecast:     05/20/2026 at 05:00 AM PDT
# Maximum Forecast Stage:                       6.47 Feet
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Trend     Observed Status
# ------------------------------------------------------------------
  05/14/2026 08 AM PDT            2.33                Not Applicable
  05/14/2026 09 AM PDT            2.12         -      Not Applicable
  05/14/2026 10 AM PDT            2.64         +      Not Applicable
  05/14/2026 11 AM PDT            3.35         +      Not Applicable
  05/14/2026 12 PM PDT            4.08         +      Not Applicable
  05/14/2026 01 PM PDT            4.63         +      Not Applicable
  05/14/2026 02 PM PDT            4.89         +      Not Applicable
  05/14/2026 03 PM PDT            4.78         -      Not Applicable
  05/14/2026 04 PM PDT            4.40         -      Not Applicable
  05/14/2026 05 PM PDT            3.90         -      Not Applicable
  05/14/2026 06 PM PDT            3.56         -      Not Applicable
  05/14/2026 07 PM PDT            3.17         -      Not Applicable
  05/14/2026 08 PM PDT            3.12         -      Not Applicable
  05/14/2026 09 PM PDT            3.60         +      Not Applicable
  05/14/2026 10 PM PDT            4.59         +      Not Applicable
  05/14/2026 11 PM PDT            5.36         +      Not Applicable
  05/15/2026 12 AM PDT            5.92         +      Not Applicable
  05/15/2026 01 AM PDT            6.32         +      Not Applicable
  05/15/2026 02 AM PDT            6.49         +      Not Applicable
  05/15/2026 03 AM PDT            6.27         -      Not Applicable
  05/15/2026 04 AM PDT            5.45         -      Not Applicable
  05/15/2026 05 AM PDT            4.55         -      Not Applicable
  05/15/2026 06 AM PDT            3.84         -      Not Applicable
  05/15/2026 07 AM PDT            3.26         -      Not Applicable
  05/15/2026 08 AM PDT            2.69         -      Not Applicable
  05/15/2026 09 AM PDT            2.23         -      Not Applicable
  05/15/2026 10 AM PDT            1.99         -      Not Applicable
  05/15/2026 11 AM PDT            2.52         +      Not Applicable
  05/15/2026 12 PM PDT            3.65         +      Not Applicable
  05/15/2026 01 PM PDT            4.47         +      Not Applicable
  05/15/2026 02 PM PDT            4.89         +      Not Applicable
  05/15/2026 03 PM PDT            5.14         +      Not Applicable
  05/15/2026 04 PM PDT            5.15         +      Not Applicable
  05/15/2026 05 PM PDT            4.84         -      Not Applicable
  05/15/2026 06 PM PDT            4.23         -      Not Applicable
  05/15/2026 07 PM PDT            3.70         -      Not Applicable
  05/15/2026 08 PM PDT            3.38         -      Not Applicable
  05/15/2026 09 PM PDT            3.48         +      Not Applicable
  05/15/2026 10 PM PDT            4.22         +      Not Applicable
  05/15/2026 11 PM PDT            5.15         +      Not Applicable
  05/16/2026 12 AM PDT            5.87         +      Not Applicable
  05/16/2026 01 AM PDT            6.33         +      Not Applicable
  05/16/2026 02 AM PDT            6.63         +      Not Applicable
  05/16/2026 03 AM PDT            6.70         +      Not Applicable
  05/16/2026 04 AM PDT            6.24         -      Not Applicable
  05/16/2026 05 AM PDT            5.26         -      Not Applicable
  05/16/2026 06 AM PDT            4.44         -      Not Applicable
  05/16/2026 07 AM PDT            3.79         -      Not Applicable
  05/16/2026 08 AM PDT            3.17         -      Not Applicable
  05/16/2026 09 AM PDT            2.60         -      Not Applicable
  05/16/2026 10 AM PDT            2.09         -      Not Applicable
  05/16/2026 11 AM PDT            1.91         -      Not Applicable
  05/16/2026 12 PM PDT            2.52         +      Not Applicable
  05/16/2026 01 PM PDT            3.67         +      Not Applicable
  05/16/2026 02 PM PDT            4.46         +      Not Applicable
  05/16/2026 03 PM PDT            4.87         +      Not Applicable
  05/16/2026 04 PM PDT            5.11         +      Not Applicable
  05/16/2026 05 PM PDT            5.17         +      Not Applicable
  05/16/2026 06 PM PDT            4.93         -      Not Applicable
  05/16/2026 07 PM PDT            4.34         -      Not Applicable
  05/16/2026 08 PM PDT            3.85         -      Not Applicable
  05/16/2026 09 PM PDT            3.62         -      Not Applicable
  05/16/2026 10 PM PDT            3.87         +      Not Applicable
  05/16/2026 11 PM PDT            4.70         +      Not Applicable
  05/17/2026 12 AM PDT            5.55         +      Not Applicable
  05/17/2026 01 AM PDT            6.16         +      Not Applicable
  05/17/2026 02 AM PDT            6.56         +      Not Applicable
  05/17/2026 03 AM PDT            6.81         +      Not Applicable
  05/17/2026 04 AM PDT            6.70         -      Not Applicable
  05/17/2026 05 AM PDT            5.97         -      Not Applicable
  05/17/2026 06 AM PDT            4.99         -      Not Applicable
  05/17/2026 07 AM PDT            4.23         -      Not Applicable
  05/17/2026 08 AM PDT            3.58         -      Not Applicable
  05/17/2026 09 AM PDT            2.94         -      Not Applicable
  05/17/2026 10 AM PDT            2.34         -      Not Applicable
  05/17/2026 11 AM PDT            1.87         -      Not Applicable
  05/17/2026 12 PM PDT            1.73         -      Not Applicable
  05/17/2026 01 PM PDT            2.50         +      Not Applicable
  05/17/2026 02 PM PDT            3.71         +      Not Applicable
  05/17/2026 03 PM PDT            4.53         +      Not Applicable
  05/17/2026 04 PM PDT            4.88         +      Not Applicable
  05/17/2026 05 PM PDT            5.17         +      Not Applicable
  05/17/2026 06 PM PDT            5.14         -      Not Applicable
  05/17/2026 07 PM PDT            4.84         -      Not Applicable
  05/17/2026 08 PM PDT            4.19         -      Not Applicable
  05/17/2026 09 PM PDT            3.62         -      Not Applicable
  05/17/2026 10 PM PDT            3.48         -      Not Applicable
  05/17/2026 11 PM PDT            3.86         +      Not Applicable
  05/18/2026 12 AM PDT            4.76         +      Not Applicable
  05/18/2026 01 AM PDT            5.59         +      Not Applicable
  05/18/2026 02 AM PDT            6.17         +      Not Applicable
  05/18/2026 03 AM PDT            6.55         +      Not Applicable
  05/18/2026 04 AM PDT            6.72         +      Not Applicable
  05/18/2026 05 AM PDT            6.45         -      Not Applicable
  05/18/2026 06 AM PDT            5.58         -      Not Applicable
  05/18/2026 07 AM PDT            4.66         -      Not Applicable
  05/18/2026 08 AM PDT            3.87         -      Not Applicable
  05/18/2026 09 AM PDT            3.28         -      Not Applicable
  05/18/2026 10 AM PDT            2.64         -      Not Applicable
  05/18/2026 11 AM PDT            1.98         -      Not Applicable
  05/18/2026 12 PM PDT            1.46         -      Not Applicable
  05/18/2026 01 PM PDT            1.41         -      Not Applicable
  05/18/2026 02 PM PDT            2.22         +      Not Applicable
  05/18/2026 03 PM PDT            3.47         +      Not Applicable
  05/18/2026 04 PM PDT            4.18         +      Not Applicable
  05/18/2026 05 PM PDT            4.61         +      Not Applicable
  05/18/2026 06 PM PDT            4.89         +      Not Applicable
  05/18/2026 07 PM PDT            4.99         +      Not Applicable
  05/18/2026 08 PM PDT            4.80         -      Not Applicable
  05/18/2026 09 PM PDT            4.33         -      Not Applicable
  05/18/2026 10 PM PDT            3.95         -      Not Applicable
  05/18/2026 11 PM PDT            3.91         -      Not Applicable
  05/19/2026 12 AM PDT            4.39         +      Not Applicable
  05/19/2026 01 AM PDT            5.16         +      Not Applicable
  05/19/2026 02 AM PDT            5.83         +      Not Applicable
  05/19/2026 03 AM PDT            6.36         +      Not Applicable
  05/19/2026 04 AM PDT            6.71         +      Not Applicable
  05/19/2026 05 AM PDT            6.80         +      Not Applicable
  05/19/2026 06 AM PDT            6.44         -      Not Applicable
  05/19/2026 07 AM PDT            5.69         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Trend     Forecast Status
# ------------------------------------------------------------------
  05/19/2026 08 AM PDT            4.81                Not Applicable
  05/19/2026 09 AM PDT            3.86         -      Not Applicable
  05/19/2026 10 AM PDT            2.98         -      Not Applicable
  05/19/2026 11 AM PDT            2.27         -      Not Applicable
  05/19/2026 12 PM PDT            1.75         -      Not Applicable
  05/19/2026 01 PM PDT            1.62         -      Not Applicable
  05/19/2026 02 PM PDT            1.93         +      Not Applicable
  05/19/2026 03 PM PDT            2.56         +      Not Applicable
  05/19/2026 04 PM PDT            3.44         +      Not Applicable
  05/19/2026 05 PM PDT            4.29         +      Not Applicable
  05/19/2026 06 PM PDT            4.90         +      Not Applicable
  05/19/2026 07 PM PDT            5.13         +      Not Applicable
  05/19/2026 08 PM PDT            5.05         -      Not Applicable
  05/19/2026 09 PM PDT            4.75         -      Not Applicable
  05/19/2026 10 PM PDT            4.37         -      Not Applicable
  05/19/2026 11 PM PDT            4.10         -      Not Applicable
  05/20/2026 12 AM PDT            4.05         -      Not Applicable
  05/20/2026 01 AM PDT            4.34         +      Not Applicable
  05/20/2026 02 AM PDT            4.97         +      Not Applicable
  05/20/2026 03 AM PDT            5.66         +      Not Applicable
  05/20/2026 04 AM PDT            6.24         +      Not Applicable
  05/20/2026 05 AM PDT            6.47         +      Not Applicable
  05/20/2026 06 AM PDT            6.34         -      Not Applicable
  05/20/2026 07 AM PDT            5.91         -      Not Applicable
  05/20/2026 08 AM PDT            5.27         -      Not Applicable
  05/20/2026 09 AM PDT            4.48         -      Not Applicable
  05/20/2026 10 AM PDT            3.63         -      Not Applicable
  05/20/2026 11 AM PDT            2.85         -      Not Applicable
  05/20/2026 12 PM PDT            2.23         -      Not Applicable
  05/20/2026 01 PM PDT            1.78         -      Not Applicable
  05/20/2026 02 PM PDT            1.67         -      Not Applicable
  05/20/2026 03 PM PDT            1.98         +      Not Applicable
  05/20/2026 04 PM PDT            2.61         +      Not Applicable
  05/20/2026 05 PM PDT            3.48         +      Not Applicable
  05/20/2026 06 PM PDT            4.33         +      Not Applicable
  05/20/2026 07 PM PDT            4.94         +      Not Applicable
  05/20/2026 08 PM PDT            5.17         +      Not Applicable
  05/20/2026 09 PM PDT            5.07         -      Not Applicable
  05/20/2026 10 PM PDT            4.74         -      Not Applicable
  05/20/2026 11 PM PDT            4.33         -      Not Applicable
  05/21/2026 12 AM PDT            4.02         -      Not Applicable
  05/21/2026 01 AM PDT            3.94         -      Not Applicable
  05/21/2026 02 AM PDT            4.20         +      Not Applicable
  05/21/2026 03 AM PDT            4.73         +      Not Applicable
  05/21/2026 04 AM PDT            5.35         +      Not Applicable
  05/21/2026 05 AM PDT            5.85         +      Not Applicable
  05/21/2026 06 AM PDT            6.04         +      Not Applicable
  05/21/2026 07 AM PDT            5.87         -      Not Applicable
  05/21/2026 08 AM PDT            5.39         -      Not Applicable
  05/21/2026 09 AM PDT            4.70         -      Not Applicable
  05/21/2026 10 AM PDT            3.88         -      Not Applicable
  05/21/2026 11 AM PDT            3.06         -      Not Applicable
  05/21/2026 12 PM PDT            2.37         -      Not Applicable
  05/21/2026 01 PM PDT            1.89         -      Not Applicable
  05/21/2026 02 PM PDT            1.73         -      Not Applicable
  05/21/2026 03 PM PDT            1.94         +      Not Applicable
  05/21/2026 04 PM PDT            2.44         +      Not Applicable
  05/21/2026 05 PM PDT            3.17         +      Not Applicable
  05/21/2026 06 PM PDT            3.93         +      Not Applicable
  05/21/2026 07 PM PDT            4.61         +      Not Applicable
  05/21/2026 08 PM PDT            5.09         +      Not Applicable
  05/21/2026 09 PM PDT            5.24         +      Not Applicable
  05/21/2026 10 PM PDT            5.09         -      Not Applicable
  05/21/2026 11 PM PDT            4.70         -      Not Applicable
  05/22/2026 12 AM PDT            4.23         -      Not Applicable
  05/22/2026 01 AM PDT            3.86         -      Not Applicable
  05/22/2026 02 AM PDT            3.74         -      Not Applicable
  05/22/2026 03 AM PDT            3.96         +      Not Applicable
  05/22/2026 04 AM PDT            4.42         +      Not Applicable
  05/22/2026 05 AM PDT            4.99         +      Not Applicable
  05/22/2026 06 AM PDT            5.39         +      Not Applicable
  05/22/2026 07 AM PDT            5.54         +      Not Applicable
  05/22/2026 08 AM PDT            5.41         -      Not Applicable
  05/22/2026 09 AM PDT            5.02         -      Not Applicable
  05/22/2026 10 AM PDT            4.40         -      Not Applicable
  05/22/2026 11 AM PDT            3.67         -      Not Applicable
  05/22/2026 12 PM PDT            2.96         -      Not Applicable
  05/22/2026 01 PM PDT            2.37         -      Not Applicable
  05/22/2026 02 PM PDT            1.95         -      Not Applicable
  05/22/2026 03 PM PDT            1.82         -      Not Applicable
  05/22/2026 04 PM PDT            2.04         +      Not Applicable
  05/22/2026 05 PM PDT            2.52         +      Not Applicable
  05/22/2026 06 PM PDT            3.26         +      Not Applicable
  05/22/2026 07 PM PDT            4.04         +      Not Applicable
  05/22/2026 08 PM PDT            4.72         +      Not Applicable
  05/22/2026 09 PM PDT            5.18         +      Not Applicable
  05/22/2026 10 PM PDT            5.33         +      Not Applicable
  05/22/2026 11 PM PDT            5.13         -      Not Applicable
  05/23/2026 12 AM PDT            4.64         -      Not Applicable
  05/23/2026 01 AM PDT            4.08         -      Not Applicable
  05/23/2026 02 AM PDT            3.61         -      Not Applicable
  05/23/2026 03 AM PDT            3.44         -      Not Applicable
  05/23/2026 04 AM PDT            3.54         +      Not Applicable
  05/23/2026 05 AM PDT            3.88         +      Not Applicable
  05/23/2026 06 AM PDT            4.32         +      Not Applicable
  05/23/2026 07 AM PDT            4.76         +      Not Applicable
  05/23/2026 08 AM PDT            5.07         +      Not Applicable
  05/23/2026 09 AM PDT            5.16         +      Not Applicable
  05/23/2026 10 AM PDT            4.98         -      Not Applicable
  05/23/2026 11 AM PDT            4.50         -      Not Applicable
  05/23/2026 12 PM PDT            3.87         -      Not Applicable
  05/23/2026 01 PM PDT            3.18         -      Not Applicable
  05/23/2026 02 PM PDT            2.51         -      Not Applicable
  05/23/2026 03 PM PDT            2.10         -      Not Applicable
  05/23/2026 04 PM PDT            1.96         -      Not Applicable
  05/23/2026 05 PM PDT            2.17         +      Not Applicable
  05/23/2026 06 PM PDT            2.64         +      Not Applicable
  05/23/2026 07 PM PDT            3.37         +      Not Applicable
  05/23/2026 08 PM PDT            4.16         +      Not Applicable
  05/23/2026 09 PM PDT            4.86         +      Not Applicable
  05/23/2026 10 PM PDT            5.32         +      Not Applicable
  05/23/2026 11 PM PDT            5.47         +      Not Applicable
  05/24/2026 12 AM PDT            5.30         -      Not Applicable
  05/24/2026 01 AM PDT            4.87         -      Not Applicable
  05/24/2026 02 AM PDT            4.25         -      Not Applicable
  05/24/2026 03 AM PDT            3.63         -      Not Applicable
  05/24/2026 04 AM PDT            3.23         -      Not Applicable
  05/24/2026 05 AM PDT            3.09         -      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.