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

 |  End of River Group

SACRAMENTO RIVER DELTA - MALLARD ISLAND (MLIC1)
Latitude: 38.04º NLongitude: 121.92º WElevation: 0 Feet
Location: Contra Costa County in CaliforniaBulletin Group: Lower SacramentoRiver Group: Lower Sacramento
Issuance Time: May 06 2025 at 7:48 AM PDTNext Issuance: May 07 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 - Mallard Island (MLIC1)
#
# File Generation Time:  05/06/2025 at 07:49 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/02/2025 at 06:00 AM PDT
# Maximum Observed Stage:                       6.92 Feet
#
# Earliest Date & Time of Maximum Forecast:     05/11/2025 at 02:00 AM PDT
# Maximum Forecast Stage:                       5.89 Feet
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Trend     Observed Status
# ------------------------------------------------------------------
  05/01/2025 07 AM PDT            6.26                Not Applicable
  05/01/2025 08 AM PDT            5.17         -      Not Applicable
  05/01/2025 09 AM PDT            4.24         -      Not Applicable
  05/01/2025 10 AM PDT            3.73         -      Not Applicable
  05/01/2025 11 AM PDT            3.12         -      Not Applicable
  05/01/2025 12 PM PDT            2.25         -      Not Applicable
  05/01/2025 01 PM PDT            1.90         -      Not Applicable
  05/01/2025 02 PM PDT            1.97         +      Not Applicable
  05/01/2025 03 PM PDT            2.45         +      Not Applicable
  05/01/2025 04 PM PDT            3.95         +      Not Applicable
  05/01/2025 05 PM PDT            4.84         +      Not Applicable
  05/01/2025 06 PM PDT            5.38         +      Not Applicable
  05/01/2025 07 PM PDT            5.70         +      Not Applicable
  05/01/2025 08 PM PDT            5.77         +      Not Applicable
  05/01/2025 09 PM PDT            5.59         -      Not Applicable
  05/01/2025 10 PM PDT            5.19         -      Not Applicable
  05/01/2025 11 PM PDT            4.63         -      Not Applicable
  05/02/2025 12 AM PDT            4.48         -      Not Applicable
  05/02/2025 01 AM PDT            4.32         -      Not Applicable
  05/02/2025 02 AM PDT            5.30         +      Not Applicable
  05/02/2025 03 AM PDT            5.99         +      Not Applicable
  05/02/2025 04 AM PDT            6.45         +      Not Applicable
  05/02/2025 05 AM PDT            6.83         +      Not Applicable
  05/02/2025 06 AM PDT            6.92         +      Not Applicable
  05/02/2025 07 AM PDT            6.61         -      Not Applicable
  05/02/2025 08 AM PDT            5.82         -      Not Applicable
  05/02/2025 09 AM PDT            4.94         -      Not Applicable
  05/02/2025 10 AM PDT            3.90         -      Not Applicable
  05/02/2025 11 AM PDT            3.49         -      Not Applicable
  05/02/2025 12 PM PDT            2.82         -      Not Applicable
  05/02/2025 01 PM PDT            2.19         -      Not Applicable
  05/02/2025 02 PM PDT            1.79         -      Not Applicable
  05/02/2025 03 PM PDT            1.81         +      Not Applicable
  05/02/2025 04 PM PDT            2.73         +      Not Applicable
  05/02/2025 05 PM PDT            3.73         +      Not Applicable
  05/02/2025 06 PM PDT            4.69         +      Not Applicable
  05/02/2025 07 PM PDT            5.20         +      Not Applicable
  05/02/2025 08 PM PDT            5.55         +      Not Applicable
  05/02/2025 09 PM PDT            5.71         +      Not Applicable
  05/02/2025 10 PM PDT            5.57         -      Not Applicable
  05/02/2025 11 PM PDT            5.19         -      Not Applicable
  05/03/2025 12 AM PDT            4.72         -      Not Applicable
  05/03/2025 01 AM PDT            4.50         -      Not Applicable
  05/03/2025 02 AM PDT            4.73         +      Not Applicable
  05/03/2025 03 AM PDT            4.85         +      Not Applicable
  05/03/2025 04 AM PDT            5.51         +      Not Applicable
  05/03/2025 05 AM PDT            5.96         +      Not Applicable
  05/03/2025 06 AM PDT            6.34         +      Not Applicable
  05/03/2025 07 AM PDT            6.45         +      Not Applicable
  05/03/2025 08 AM PDT            6.21         -      Not Applicable
  05/03/2025 09 AM PDT            5.53         -      Not Applicable
  05/03/2025 10 AM PDT            4.64         -      Not Applicable
  05/03/2025 11 AM PDT            3.76         -      Not Applicable
  05/03/2025 12 PM PDT            3.05         -      Not Applicable
  05/03/2025 01 PM PDT            2.48         -      Not Applicable
  05/03/2025 02 PM PDT            2.01         -      Not Applicable
  05/03/2025 03 PM PDT            1.64         -      Not Applicable
  05/03/2025 04 PM PDT            1.78         +      Not Applicable
  05/03/2025 05 PM PDT            2.64         +      Not Applicable
  05/03/2025 06 PM PDT            3.79         +      Not Applicable
  05/03/2025 07 PM PDT            4.63         +      Not Applicable
  05/03/2025 08 PM PDT            5.06         +      Not Applicable
  05/03/2025 09 PM PDT            5.41         +      Not Applicable
  05/03/2025 10 PM PDT            5.54         +      Not Applicable
  05/03/2025 11 PM PDT            5.46         -      Not Applicable
  05/04/2025 12 AM PDT            5.11         -      Not Applicable
  05/04/2025 01 AM PDT            4.54         -      Not Applicable
  05/04/2025 02 AM PDT            4.19         -      Not Applicable
  05/04/2025 03 AM PDT            4.03         -      Not Applicable
  05/04/2025 04 AM PDT            4.24         +      Not Applicable
  05/04/2025 05 AM PDT            4.72         +      Not Applicable
  05/04/2025 06 AM PDT            5.25         +      Not Applicable
  05/04/2025 07 AM PDT            5.62         +      Not Applicable
  05/04/2025 08 AM PDT            5.82         +      Not Applicable
  05/04/2025 09 AM PDT            5.59         -      Not Applicable
  05/04/2025 10 AM PDT            5.11         -      Not Applicable
  05/04/2025 11 AM PDT            4.29         -      Not Applicable
  05/04/2025 12 PM PDT            3.54         -      Not Applicable
  05/04/2025 01 PM PDT            2.79         -      Not Applicable
  05/04/2025 02 PM PDT            2.33         -      Not Applicable
  05/04/2025 03 PM PDT            1.85         -      Not Applicable
  05/04/2025 04 PM PDT            1.56         -      Not Applicable
  05/04/2025 05 PM PDT            1.83         +      Not Applicable
  05/04/2025 06 PM PDT            2.83         +      Not Applicable
  05/04/2025 07 PM PDT            3.83         +      Not Applicable
  05/04/2025 08 PM PDT            4.65         +      Not Applicable
  05/04/2025 09 PM PDT            5.20         +      Not Applicable
  05/04/2025 10 PM PDT            5.57         +      Not Applicable
  05/04/2025 11 PM PDT            5.73         +      Not Applicable
  05/05/2025 12 AM PDT            5.60         -      Not Applicable
  05/05/2025 01 AM PDT            5.15         -      Not Applicable
  05/05/2025 02 AM PDT            4.54         -      Not Applicable
  05/05/2025 03 AM PDT            4.06         -      Not Applicable
  05/05/2025 04 AM PDT            3.86         -      Not Applicable
  05/05/2025 05 AM PDT            3.97         +      Not Applicable
  05/05/2025 06 AM PDT            4.31         +      Not Applicable
  05/05/2025 07 AM PDT            4.88         +      Not Applicable
  05/05/2025 08 AM PDT            5.25         +      Not Applicable
  05/05/2025 09 AM PDT            5.50         +      Not Applicable
  05/05/2025 10 AM PDT            5.37         -      Not Applicable
  05/05/2025 11 AM PDT            4.96         -      Not Applicable
  05/05/2025 12 PM PDT            4.43         -      Not Applicable
  05/05/2025 01 PM PDT            3.62         -      Not Applicable
  05/05/2025 02 PM PDT            2.87         -      Not Applicable
  05/05/2025 03 PM PDT            2.27         -      Not Applicable
  05/05/2025 04 PM PDT            1.73         -      Not Applicable
  05/05/2025 05 PM PDT            1.60         -      Not Applicable
  05/05/2025 06 PM PDT            1.92         +      Not Applicable
  05/05/2025 07 PM PDT            2.96         +      Not Applicable
  05/05/2025 08 PM PDT            4.05         +      Not Applicable
  05/05/2025 09 PM PDT            4.85         +      Not Applicable
  05/05/2025 10 PM PDT            5.44         +      Not Applicable
  05/05/2025 11 PM PDT            5.81         +      Not Applicable
  05/06/2025 12 AM PDT            5.91         +      Not Applicable
  05/06/2025 01 AM PDT            5.66         -      Not Applicable
  05/06/2025 02 AM PDT            5.10         -      Not Applicable
  05/06/2025 03 AM PDT            4.41         -      Not Applicable
  05/06/2025 04 AM PDT            3.86         -      Not Applicable
  05/06/2025 05 AM PDT            3.60         -      Not Applicable
  05/06/2025 06 AM PDT            3.72         +      Not Applicable
  05/06/2025 07 AM PDT            3.76         +      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Trend     Forecast Status
# ------------------------------------------------------------------
  05/06/2025 08 AM PDT            4.09                Not Applicable
  05/06/2025 09 AM PDT            4.50         +      Not Applicable
  05/06/2025 10 AM PDT            4.79         +      Not Applicable
  05/06/2025 11 AM PDT            4.78         -      Not Applicable
  05/06/2025 12 PM PDT            4.43         -      Not Applicable
  05/06/2025 01 PM PDT            3.99         -      Not Applicable
  05/06/2025 02 PM PDT            3.35         -      Not Applicable
  05/06/2025 03 PM PDT            2.64         -      Not Applicable
  05/06/2025 04 PM PDT            2.01         -      Not Applicable
  05/06/2025 05 PM PDT            1.59         -      Not Applicable
  05/06/2025 06 PM PDT            1.48         -      Not Applicable
  05/06/2025 07 PM PDT            1.72         +      Not Applicable
  05/06/2025 08 PM PDT            2.30         +      Not Applicable
  05/06/2025 09 PM PDT            3.10         +      Not Applicable
  05/06/2025 10 PM PDT            3.98         +      Not Applicable
  05/06/2025 11 PM PDT            4.76         +      Not Applicable
  05/07/2025 12 AM PDT            5.28         +      Not Applicable
  05/07/2025 01 AM PDT            5.45         +      Not Applicable
  05/07/2025 02 AM PDT            5.19         -      Not Applicable
  05/07/2025 03 AM PDT            4.58         -      Not Applicable
  05/07/2025 04 AM PDT            3.77         -      Not Applicable
  05/07/2025 05 AM PDT            2.96         -      Not Applicable
  05/07/2025 06 AM PDT            2.40         -      Not Applicable
  05/07/2025 07 AM PDT            2.22         -      Not Applicable
  05/07/2025 08 AM PDT            2.49         +      Not Applicable
  05/07/2025 09 AM PDT            3.06         +      Not Applicable
  05/07/2025 10 AM PDT            3.75         +      Not Applicable
  05/07/2025 11 AM PDT            4.29         +      Not Applicable
  05/07/2025 12 PM PDT            4.49         +      Not Applicable
  05/07/2025 01 PM PDT            4.36         -      Not Applicable
  05/07/2025 02 PM PDT            3.96         -      Not Applicable
  05/07/2025 03 PM PDT            3.38         -      Not Applicable
  05/07/2025 04 PM PDT            2.74         -      Not Applicable
  05/07/2025 05 PM PDT            2.17         -      Not Applicable
  05/07/2025 06 PM PDT            1.78         -      Not Applicable
  05/07/2025 07 PM PDT            1.72         -      Not Applicable
  05/07/2025 08 PM PDT            2.05         +      Not Applicable
  05/07/2025 09 PM PDT            2.78         +      Not Applicable
  05/07/2025 10 PM PDT            3.74         +      Not Applicable
  05/07/2025 11 PM PDT            4.66         +      Not Applicable
  05/08/2025 12 AM PDT            5.32         +      Not Applicable
  05/08/2025 01 AM PDT            5.56         +      Not Applicable
  05/08/2025 02 AM PDT            5.37         -      Not Applicable
  05/08/2025 03 AM PDT            4.82         -      Not Applicable
  05/08/2025 04 AM PDT            4.07         -      Not Applicable
  05/08/2025 05 AM PDT            3.21         -      Not Applicable
  05/08/2025 06 AM PDT            2.46         -      Not Applicable
  05/08/2025 07 AM PDT            1.94         -      Not Applicable
  05/08/2025 08 AM PDT            1.81         -      Not Applicable
  05/08/2025 09 AM PDT            2.13         +      Not Applicable
  05/08/2025 10 AM PDT            2.80         +      Not Applicable
  05/08/2025 11 AM PDT            3.60         +      Not Applicable
  05/08/2025 12 PM PDT            4.20         +      Not Applicable
  05/08/2025 01 PM PDT            4.43         +      Not Applicable
  05/08/2025 02 PM PDT            4.28         -      Not Applicable
  05/08/2025 03 PM PDT            3.82         -      Not Applicable
  05/08/2025 04 PM PDT            3.19         -      Not Applicable
  05/08/2025 05 PM PDT            2.58         -      Not Applicable
  05/08/2025 06 PM PDT            2.14         -      Not Applicable
  05/08/2025 07 PM PDT            2.00         -      Not Applicable
  05/08/2025 08 PM PDT            2.22         +      Not Applicable
  05/08/2025 09 PM PDT            2.76         +      Not Applicable
  05/08/2025 10 PM PDT            3.51         +      Not Applicable
  05/08/2025 11 PM PDT            4.33         +      Not Applicable
  05/09/2025 12 AM PDT            5.05         +      Not Applicable
  05/09/2025 01 AM PDT            5.54         +      Not Applicable
  05/09/2025 02 AM PDT            5.67         +      Not Applicable
  05/09/2025 03 AM PDT            5.32         -      Not Applicable
  05/09/2025 04 AM PDT            4.55         -      Not Applicable
  05/09/2025 05 AM PDT            3.52         -      Not Applicable
  05/09/2025 06 AM PDT            2.52         -      Not Applicable
  05/09/2025 07 AM PDT            1.80         -      Not Applicable
  05/09/2025 08 AM PDT            1.55         -      Not Applicable
  05/09/2025 09 AM PDT            1.75         +      Not Applicable
  05/09/2025 10 AM PDT            2.31         +      Not Applicable
  05/09/2025 11 AM PDT            3.04         +      Not Applicable
  05/09/2025 12 PM PDT            3.77         +      Not Applicable
  05/09/2025 01 PM PDT            4.29         +      Not Applicable
  05/09/2025 02 PM PDT            4.48         +      Not Applicable
  05/09/2025 03 PM PDT            4.34         -      Not Applicable
  05/09/2025 04 PM PDT            3.94         -      Not Applicable
  05/09/2025 05 PM PDT            3.40         -      Not Applicable
  05/09/2025 06 PM PDT            2.85         -      Not Applicable
  05/09/2025 07 PM PDT            2.48         -      Not Applicable
  05/09/2025 08 PM PDT            2.40         -      Not Applicable
  05/09/2025 09 PM PDT            2.69         +      Not Applicable
  05/09/2025 10 PM PDT            3.33         +      Not Applicable
  05/09/2025 11 PM PDT            4.17         +      Not Applicable
  05/10/2025 12 AM PDT            4.98         +      Not Applicable
  05/10/2025 01 AM PDT            5.57         +      Not Applicable
  05/10/2025 02 AM PDT            5.76         +      Not Applicable
  05/10/2025 03 AM PDT            5.51         -      Not Applicable
  05/10/2025 04 AM PDT            4.87         -      Not Applicable
  05/10/2025 05 AM PDT            3.99         -      Not Applicable
  05/10/2025 06 AM PDT            3.01         -      Not Applicable
  05/10/2025 07 AM PDT            2.13         -      Not Applicable
  05/10/2025 08 AM PDT            1.54         -      Not Applicable
  05/10/2025 09 AM PDT            1.36         -      Not Applicable
  05/10/2025 10 AM PDT            1.60         +      Not Applicable
  05/10/2025 11 AM PDT            2.20         +      Not Applicable
  05/10/2025 12 PM PDT            2.98         +      Not Applicable
  05/10/2025 01 PM PDT            3.75         +      Not Applicable
  05/10/2025 02 PM PDT            4.30         +      Not Applicable
  05/10/2025 03 PM PDT            4.49         +      Not Applicable
  05/10/2025 04 PM PDT            4.31         -      Not Applicable
  05/10/2025 05 PM PDT            3.86         -      Not Applicable
  05/10/2025 06 PM PDT            3.33         -      Not Applicable
  05/10/2025 07 PM PDT            2.91         -      Not Applicable
  05/10/2025 08 PM PDT            2.79         -      Not Applicable
  05/10/2025 09 PM PDT            3.05         +      Not Applicable
  05/10/2025 10 PM PDT            3.64         +      Not Applicable
  05/10/2025 11 PM PDT            4.41         +      Not Applicable
  05/11/2025 12 AM PDT            5.17         +      Not Applicable
  05/11/2025 01 AM PDT            5.71         +      Not Applicable
  05/11/2025 02 AM PDT            5.89         +      Not Applicable
  05/11/2025 03 AM PDT            5.71         -      Not Applicable
  05/11/2025 04 AM PDT            5.19         -      Not Applicable
  05/11/2025 05 AM PDT            4.44         -      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.