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

*** IMPORTANT ***  Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.
 |  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: Jun 14 2025 at 7:21 AM PDTNext Issuance: Jun 15 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:  06/14/2025 at 07:23 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/11/2025 at 02:00 AM PDT
# Maximum Observed Stage:                       7.02 Feet
#
# Earliest Date & Time of Maximum Forecast:     06/15/2025 at 05:00 AM PDT
# Maximum Forecast Stage:                       6.10 Feet
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Trend     Observed Status
# ------------------------------------------------------------------
  06/09/2025 07 AM PDT            3.01                Not Applicable
  06/09/2025 08 AM PDT            2.72         -      Not Applicable
  06/09/2025 09 AM PDT            2.22         -      Not Applicable
  06/09/2025 10 AM PDT            2.12         -      Not Applicable
  06/09/2025 11 AM PDT            2.35         +      Not Applicable
  06/09/2025 12 PM PDT            3.65         +      Not Applicable
  06/09/2025 01 PM PDT            4.72         +      Not Applicable
  06/09/2025 02 PM PDT            5.24         +      Not Applicable
  06/09/2025 03 PM PDT            5.45         +      Not Applicable
  06/09/2025 04 PM PDT            5.46         +      Not Applicable
  06/09/2025 05 PM PDT            5.28         -      Not Applicable
  06/09/2025 06 PM PDT            4.80         -      Not Applicable
  06/09/2025 07 PM PDT            4.33         -      Not Applicable
  06/09/2025 08 PM PDT            4.31         -      Not Applicable
  06/09/2025 09 PM PDT            4.81         +      Not Applicable
  06/09/2025 10 PM PDT            5.47         +      Not Applicable
  06/09/2025 11 PM PDT            6.17         +      Not Applicable
  06/10/2025 12 AM PDT            6.64         +      Not Applicable
  06/10/2025 01 AM PDT            6.94         +      Not Applicable
  06/10/2025 02 AM PDT            6.95         +      Not Applicable
  06/10/2025 03 AM PDT            6.54         -      Not Applicable
  06/10/2025 04 AM PDT            5.67         -      Not Applicable
  06/10/2025 05 AM PDT            4.68         -      Not Applicable
  06/10/2025 06 AM PDT            3.91         -      Not Applicable
  06/10/2025 07 AM PDT            3.24         -      Not Applicable
  06/10/2025 08 AM PDT            2.84         -      Not Applicable
  06/10/2025 09 AM PDT            2.27         -      Not Applicable
  06/10/2025 10 AM PDT            1.96         -      Not Applicable
  06/10/2025 11 AM PDT            2.19         +      Not Applicable
  06/10/2025 12 PM PDT            3.18         +      Not Applicable
  06/10/2025 01 PM PDT            4.14         +      Not Applicable
  06/10/2025 02 PM PDT            4.96         +      Not Applicable
  06/10/2025 03 PM PDT            5.28         +      Not Applicable
  06/10/2025 04 PM PDT            5.44         +      Not Applicable
  06/10/2025 05 PM PDT            5.39         -      Not Applicable
  06/10/2025 06 PM PDT            5.22         -      Not Applicable
  06/10/2025 07 PM PDT            4.81         -      Not Applicable
  06/10/2025 08 PM PDT            4.47         -      Not Applicable
  06/10/2025 09 PM PDT            4.35         -      Not Applicable
  06/10/2025 10 PM PDT            5.11         +      Not Applicable
  06/10/2025 11 PM PDT            5.78         +      Not Applicable
  06/11/2025 12 AM PDT            6.53         +      Not Applicable
  06/11/2025 01 AM PDT            6.87         +      Not Applicable
  06/11/2025 02 AM PDT            7.02         +      Not Applicable
  06/11/2025 03 AM PDT            6.82         -      Not Applicable
  06/11/2025 04 AM PDT            6.21         -      Not Applicable
  06/11/2025 05 AM PDT            5.10         -      Not Applicable
  06/11/2025 06 AM PDT            4.35         -      Not Applicable
  06/11/2025 07 AM PDT            3.74         -      Not Applicable
  06/11/2025 08 AM PDT            3.10         -      Not Applicable
  06/11/2025 09 AM PDT            2.39         -      Not Applicable
  06/11/2025 10 AM PDT            2.08         -      Not Applicable
  06/11/2025 11 AM PDT            1.99         -      Not Applicable
  06/11/2025 12 PM PDT            2.37         +      Not Applicable
  06/11/2025 01 PM PDT            3.53         +      Not Applicable
  06/11/2025 02 PM PDT            4.46         +      Not Applicable
  06/11/2025 03 PM PDT            5.01         +      Not Applicable
  06/11/2025 04 PM PDT            5.35         +      Not Applicable
  06/11/2025 05 PM PDT            5.49         +      Not Applicable
  06/11/2025 06 PM PDT            5.33         -      Not Applicable
  06/11/2025 07 PM PDT            4.96         -      Not Applicable
  06/11/2025 08 PM PDT            4.58         -      Not Applicable
  06/11/2025 09 PM PDT            4.35         -      Not Applicable
  06/11/2025 10 PM PDT            4.69         +      Not Applicable
  06/11/2025 11 PM PDT            5.29         +      Not Applicable
  06/12/2025 12 AM PDT            5.95         +      Not Applicable
  06/12/2025 01 AM PDT            6.54         +      Not Applicable
  06/12/2025 02 AM PDT            6.89         +      Not Applicable
  06/12/2025 03 AM PDT            6.91         +      Not Applicable
  06/12/2025 04 AM PDT            6.56         -      Not Applicable
  06/12/2025 05 AM PDT            5.75         -      Not Applicable
  06/12/2025 06 AM PDT            4.73         -      Not Applicable
  06/12/2025 07 AM PDT            4.02         -      Not Applicable
  06/12/2025 08 AM PDT            3.24         -      Not Applicable
  06/12/2025 09 AM PDT            2.73         -      Not Applicable
  06/12/2025 10 AM PDT            2.08         -      Not Applicable
  06/12/2025 11 AM PDT            1.77         -      Not Applicable
  06/12/2025 12 PM PDT            1.89         +      Not Applicable
  06/12/2025 01 PM PDT            2.51         +      Not Applicable
  06/12/2025 02 PM PDT            3.69         +      Not Applicable
  06/12/2025 03 PM PDT            4.59         +      Not Applicable
  06/12/2025 04 PM PDT            5.11         +      Not Applicable
  06/12/2025 05 PM PDT            5.36         +      Not Applicable
  06/12/2025 06 PM PDT            5.47         +      Not Applicable
  06/12/2025 07 PM PDT            5.32         -      Not Applicable
  06/12/2025 08 PM PDT            4.91         -      Not Applicable
  06/12/2025 09 PM PDT            4.54         -      Not Applicable
  06/12/2025 10 PM PDT            4.45         -      Not Applicable
  06/12/2025 11 PM PDT            4.89         +      Not Applicable
  06/13/2025 12 AM PDT            5.62         +      Not Applicable
  06/13/2025 01 AM PDT            6.18         +      Not Applicable
  06/13/2025 02 AM PDT            6.66         +      Not Applicable
  06/13/2025 03 AM PDT            6.89         +      Not Applicable
  06/13/2025 04 AM PDT            6.84         -      Not Applicable
  06/13/2025 05 AM PDT            6.28         -      Not Applicable
  06/13/2025 06 AM PDT            5.30         -      Not Applicable
  06/13/2025 07 AM PDT            4.45         -      Not Applicable
  06/13/2025 08 AM PDT            3.70         -      Not Applicable
  06/13/2025 09 AM PDT            3.25         -      Not Applicable
  06/13/2025 10 AM PDT            2.41         -      Not Applicable
  06/13/2025 11 AM PDT            2.03         -      Not Applicable
  06/13/2025 12 PM PDT            1.68         -      Not Applicable
  06/13/2025 01 PM PDT            2.27         +      Not Applicable
  06/13/2025 02 PM PDT            2.95         +      Not Applicable
  06/13/2025 03 PM PDT            4.16         +      Not Applicable
  06/13/2025 04 PM PDT            4.89         +      Not Applicable
  06/13/2025 05 PM PDT            5.29         +      Not Applicable
  06/13/2025 06 PM PDT            5.51         +      Not Applicable
  06/13/2025 07 PM PDT            5.46         -      Not Applicable
  06/13/2025 08 PM PDT            5.16         -      Not Applicable
  06/13/2025 09 PM PDT            4.69         -      Not Applicable
  06/13/2025 10 PM PDT            4.41         -      Not Applicable
  06/13/2025 11 PM PDT            4.52         +      Not Applicable
  06/14/2025 12 AM PDT            5.00         +      Not Applicable
  06/14/2025 01 AM PDT            5.72         +      Not Applicable
  06/14/2025 02 AM PDT            6.29         +      Not Applicable
  06/14/2025 03 AM PDT            6.64         +      Not Applicable
  06/14/2025 04 AM PDT            6.78         +      Not Applicable
  06/14/2025 05 AM PDT            6.55         -      Not Applicable
  06/14/2025 06 AM PDT            6.02         -      Not Applicable
  06/14/2025 07 AM PDT            5.23         -      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Trend     Forecast Status
# ------------------------------------------------------------------
  06/14/2025 08 AM PDT            4.31                Not Applicable
  06/14/2025 09 AM PDT            3.31         -      Not Applicable
  06/14/2025 10 AM PDT            2.38         -      Not Applicable
  06/14/2025 11 AM PDT            1.68         -      Not Applicable
  06/14/2025 12 PM PDT            1.23         -      Not Applicable
  06/14/2025 01 PM PDT            1.12         -      Not Applicable
  06/14/2025 02 PM PDT            1.46         +      Not Applicable
  06/14/2025 03 PM PDT            2.18         +      Not Applicable
  06/14/2025 04 PM PDT            3.11         +      Not Applicable
  06/14/2025 05 PM PDT            4.03         +      Not Applicable
  06/14/2025 06 PM PDT            4.68         +      Not Applicable
  06/14/2025 07 PM PDT            4.93         +      Not Applicable
  06/14/2025 08 PM PDT            4.82         -      Not Applicable
  06/14/2025 09 PM PDT            4.51         -      Not Applicable
  06/14/2025 10 PM PDT            4.10         -      Not Applicable
  06/14/2025 11 PM PDT            3.79         -      Not Applicable
  06/15/2025 12 AM PDT            3.73         -      Not Applicable
  06/15/2025 01 AM PDT            4.02         +      Not Applicable
  06/15/2025 02 AM PDT            4.64         +      Not Applicable
  06/15/2025 03 AM PDT            5.36         +      Not Applicable
  06/15/2025 04 AM PDT            5.91         +      Not Applicable
  06/15/2025 05 AM PDT            6.10         +      Not Applicable
  06/15/2025 06 AM PDT            5.89         -      Not Applicable
  06/15/2025 07 AM PDT            5.34         -      Not Applicable
  06/15/2025 08 AM PDT            4.52         -      Not Applicable
  06/15/2025 09 AM PDT            3.56         -      Not Applicable
  06/15/2025 10 AM PDT            2.59         -      Not Applicable
  06/15/2025 11 AM PDT            1.77         -      Not Applicable
  06/15/2025 12 PM PDT            1.24         -      Not Applicable
  06/15/2025 01 PM PDT            1.08         -      Not Applicable
  06/15/2025 02 PM PDT            1.30         +      Not Applicable
  06/15/2025 03 PM PDT            1.86         +      Not Applicable
  06/15/2025 04 PM PDT            2.66         +      Not Applicable
  06/15/2025 05 PM PDT            3.51         +      Not Applicable
  06/15/2025 06 PM PDT            4.27         +      Not Applicable
  06/15/2025 07 PM PDT            4.79         +      Not Applicable
  06/15/2025 08 PM PDT            4.96         +      Not Applicable
  06/15/2025 09 PM PDT            4.80         -      Not Applicable
  06/15/2025 10 PM PDT            4.42         -      Not Applicable
  06/15/2025 11 PM PDT            3.95         -      Not Applicable
  06/16/2025 12 AM PDT            3.59         -      Not Applicable
  06/16/2025 01 AM PDT            3.49         -      Not Applicable
  06/16/2025 02 AM PDT            3.76         +      Not Applicable
  06/16/2025 03 AM PDT            4.35         +      Not Applicable
  06/16/2025 04 AM PDT            5.02         +      Not Applicable
  06/16/2025 05 AM PDT            5.55         +      Not Applicable
  06/16/2025 06 AM PDT            5.74         +      Not Applicable
  06/16/2025 07 AM PDT            5.56         -      Not Applicable
  06/16/2025 08 AM PDT            5.04         -      Not Applicable
  06/16/2025 09 AM PDT            4.28         -      Not Applicable
  06/16/2025 10 AM PDT            3.39         -      Not Applicable
  06/16/2025 11 AM PDT            2.49         -      Not Applicable
  06/16/2025 12 PM PDT            1.73         -      Not Applicable
  06/16/2025 01 PM PDT            1.24         -      Not Applicable
  06/16/2025 02 PM PDT            1.10         -      Not Applicable
  06/16/2025 03 PM PDT            1.33         +      Not Applicable
  06/16/2025 04 PM PDT            1.90         +      Not Applicable
  06/16/2025 05 PM PDT            2.71         +      Not Applicable
  06/16/2025 06 PM PDT            3.57         +      Not Applicable
  06/16/2025 07 PM PDT            4.34         +      Not Applicable
  06/16/2025 08 PM PDT            4.86         +      Not Applicable
  06/16/2025 09 PM PDT            5.03         +      Not Applicable
  06/16/2025 10 PM PDT            4.83         -      Not Applicable
  06/16/2025 11 PM PDT            4.36         -      Not Applicable
  06/17/2025 12 AM PDT            3.80         -      Not Applicable
  06/17/2025 01 AM PDT            3.37         -      Not Applicable
  06/17/2025 02 AM PDT            3.23         -      Not Applicable
  06/17/2025 03 AM PDT            3.47         +      Not Applicable
  06/17/2025 04 AM PDT            4.00         +      Not Applicable
  06/17/2025 05 AM PDT            4.65         +      Not Applicable
  06/17/2025 06 AM PDT            5.13         +      Not Applicable
  06/17/2025 07 AM PDT            5.29         +      Not Applicable
  06/17/2025 08 AM PDT            5.06         -      Not Applicable
  06/17/2025 09 AM PDT            4.50         -      Not Applicable
  06/17/2025 10 AM PDT            3.68         -      Not Applicable
  06/17/2025 11 AM PDT            2.77         -      Not Applicable
  06/17/2025 12 PM PDT            1.97         -      Not Applicable
  06/17/2025 01 PM PDT            1.44         -      Not Applicable
  06/17/2025 02 PM PDT            1.26         -      Not Applicable
  06/17/2025 03 PM PDT            1.49         +      Not Applicable
  06/17/2025 04 PM PDT            2.06         +      Not Applicable
  06/17/2025 05 PM PDT            2.86         +      Not Applicable
  06/17/2025 06 PM PDT            3.74         +      Not Applicable
  06/17/2025 07 PM PDT            4.52         +      Not Applicable
  06/17/2025 08 PM PDT            5.04         +      Not Applicable
  06/17/2025 09 PM PDT            5.22         +      Not Applicable
  06/17/2025 10 PM PDT            5.05         -      Not Applicable
  06/17/2025 11 PM PDT            4.62         -      Not Applicable
  06/18/2025 12 AM PDT            4.04         -      Not Applicable
  06/18/2025 01 AM PDT            3.46         -      Not Applicable
  06/18/2025 02 AM PDT            3.04         -      Not Applicable
  06/18/2025 03 AM PDT            2.92         -      Not Applicable
  06/18/2025 04 AM PDT            3.15         +      Not Applicable
  06/18/2025 05 AM PDT            3.66         +      Not Applicable
  06/18/2025 06 AM PDT            4.25         +      Not Applicable
  06/18/2025 07 AM PDT            4.71         +      Not Applicable
  06/18/2025 08 AM PDT            4.86         +      Not Applicable
  06/18/2025 09 AM PDT            4.69         -      Not Applicable
  06/18/2025 10 AM PDT            4.21         -      Not Applicable
  06/18/2025 11 AM PDT            3.53         -      Not Applicable
  06/18/2025 12 PM PDT            2.77         -      Not Applicable
  06/18/2025 01 PM PDT            2.10         -      Not Applicable
  06/18/2025 02 PM PDT            1.66         -      Not Applicable
  06/18/2025 03 PM PDT            1.53         -      Not Applicable
  06/18/2025 04 PM PDT            1.76         +      Not Applicable
  06/18/2025 05 PM PDT            2.35         +      Not Applicable
  06/18/2025 06 PM PDT            3.15         +      Not Applicable
  06/18/2025 07 PM PDT            4.02         +      Not Applicable
  06/18/2025 08 PM PDT            4.80         +      Not Applicable
  06/18/2025 09 PM PDT            5.33         +      Not Applicable
  06/18/2025 10 PM PDT            5.50         +      Not Applicable
  06/18/2025 11 PM PDT            5.27         -      Not Applicable
  06/19/2025 12 AM PDT            4.73         -      Not Applicable
  06/19/2025 01 AM PDT            4.00         -      Not Applicable
  06/19/2025 02 AM PDT            3.27         -      Not Applicable
  06/19/2025 03 AM PDT            2.76         -      Not Applicable
  06/19/2025 04 AM PDT            2.58         -      Not Applicable
  06/19/2025 05 AM PDT            2.71         +      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.