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SACRAMENTO RIVER DELTA - MALLARD ISLAND (MLIC1)
| Latitude: 38.04º N | Longitude: 121.92º W | Elevation: 0 Feet | | Forecast Type: Unofficial Location |
| Location: Contra Costa County in California | Bulletin Group: Lower Sacramento | River Group: Lower Sacramento |
| Issuance Time: | Jul 20 2026 at 7:20 AM PDT | Next Issuance: | Jul 21 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 - Mallard Island (MLIC1)
#
# File Generation Time: 07/20/2026 at 07:22 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 07/16/2026 at 04:00 AM PDT
# Maximum Observed Stage: 7.11 Feet
#
# Earliest Date & Time of Maximum Forecast: 07/25/2026 at 12:00 AM PDT
# Maximum Forecast Stage: 6.63 Feet
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Trend Observed Status
# ------------------------------------------------------------------
07/15/2026 07 AM PDT 4.14 Not Applicable
07/15/2026 08 AM PDT 3.45 - Not Applicable
07/15/2026 09 AM PDT 2.81 - Not Applicable
07/15/2026 10 AM PDT 2.22 - Not Applicable
07/15/2026 11 AM PDT 1.82 - Not Applicable
07/15/2026 12 PM PDT 1.86 + Not Applicable
07/15/2026 01 PM PDT 2.94 + Not Applicable
07/15/2026 02 PM PDT 4.27 + Not Applicable
07/15/2026 03 PM PDT 5.17 + Not Applicable
07/15/2026 04 PM PDT 5.57 + Not Applicable
07/15/2026 05 PM PDT 5.80 + Not Applicable
07/15/2026 06 PM PDT 5.73 - Not Applicable
07/15/2026 07 PM PDT 5.26 - Not Applicable
07/15/2026 08 PM PDT 4.46 - Not Applicable
07/15/2026 09 PM PDT 3.85 - Not Applicable
07/15/2026 10 PM PDT 3.62 - Not Applicable
07/15/2026 11 PM PDT 4.04 + Not Applicable
07/16/2026 12 AM PDT 4.94 + Not Applicable
07/16/2026 01 AM PDT 5.96 + Not Applicable
07/16/2026 02 AM PDT 6.63 + Not Applicable
07/16/2026 03 AM PDT 6.99 + Not Applicable
07/16/2026 04 AM PDT 7.11 + Not Applicable
07/16/2026 05 AM PDT 6.76 - Not Applicable
07/16/2026 06 AM PDT 5.81 - Not Applicable
07/16/2026 07 AM PDT 4.73 - Not Applicable
07/16/2026 08 AM PDT 3.86 - Not Applicable
07/16/2026 09 AM PDT 3.26 - Not Applicable
07/16/2026 10 AM PDT 2.61 - Not Applicable
07/16/2026 11 AM PDT 2.13 - Not Applicable
07/16/2026 12 PM PDT 1.84 - Not Applicable
07/16/2026 01 PM PDT 2.21 + Not Applicable
07/16/2026 02 PM PDT 3.48 + Not Applicable
07/16/2026 03 PM PDT 4.70 + Not Applicable
07/16/2026 04 PM PDT 5.44 + Not Applicable
07/16/2026 05 PM PDT 5.77 + Not Applicable
07/16/2026 06 PM PDT 5.89 + Not Applicable
07/16/2026 07 PM PDT 5.67 - Not Applicable
07/16/2026 08 PM PDT 5.01 - Not Applicable
07/16/2026 09 PM PDT 4.21 - Not Applicable
07/16/2026 10 PM PDT 3.59 - Not Applicable
07/16/2026 11 PM PDT 3.37 - Not Applicable
07/17/2026 12 AM PDT 3.70 + Not Applicable
07/17/2026 01 AM PDT 4.60 + Not Applicable
07/17/2026 02 AM PDT 5.61 + Not Applicable
07/17/2026 03 AM PDT 6.27 + Not Applicable
07/17/2026 04 AM PDT 6.62 + Not Applicable
07/17/2026 05 AM PDT 6.67 + Not Applicable
07/17/2026 06 AM PDT 6.29 - Not Applicable
07/17/2026 07 AM PDT 5.31 - Not Applicable
07/17/2026 08 AM PDT 4.30 - Not Applicable
07/17/2026 09 AM PDT 3.52 - Not Applicable
07/17/2026 10 AM PDT 2.91 - Not Applicable
07/17/2026 11 AM PDT 2.36 - Not Applicable
07/17/2026 12 PM PDT 1.93 - Not Applicable
07/17/2026 01 PM PDT 1.85 - Not Applicable
07/17/2026 02 PM PDT 2.72 + Not Applicable
07/17/2026 03 PM PDT 4.04 + Not Applicable
07/17/2026 04 PM PDT 5.03 + Not Applicable
07/17/2026 05 PM PDT 5.55 + Not Applicable
07/17/2026 06 PM PDT 5.86 + Not Applicable
07/17/2026 07 PM PDT 5.94 + Not Applicable
07/17/2026 08 PM PDT 5.60 - Not Applicable
07/17/2026 09 PM PDT 4.78 - Not Applicable
07/17/2026 10 PM PDT 3.97 - Not Applicable
07/17/2026 11 PM PDT 3.27 - Not Applicable
07/18/2026 12 AM PDT 3.14 - Not Applicable
07/18/2026 01 AM PDT 3.36 + Not Applicable
07/18/2026 02 AM PDT 4.28 + Not Applicable
07/18/2026 03 AM PDT 5.23 + Not Applicable
07/18/2026 04 AM PDT 5.87 + Not Applicable
07/18/2026 05 AM PDT 6.20 + Not Applicable
07/18/2026 06 AM PDT 6.18 - Not Applicable
07/18/2026 07 AM PDT 5.75 - Not Applicable
07/18/2026 08 AM PDT 4.75 - Not Applicable
07/18/2026 09 AM PDT 3.86 - Not Applicable
07/18/2026 10 AM PDT 3.19 - Not Applicable
07/18/2026 11 AM PDT 2.56 - Not Applicable
07/18/2026 12 PM PDT 2.09 - Not Applicable
07/18/2026 01 PM PDT 1.77 - Not Applicable
07/18/2026 02 PM PDT 2.21 + Not Applicable
07/18/2026 03 PM PDT 3.43 + Not Applicable
07/18/2026 04 PM PDT 4.61 + Not Applicable
07/18/2026 05 PM PDT 5.34 + Not Applicable
07/18/2026 06 PM PDT 5.79 + Not Applicable
07/18/2026 07 PM PDT 6.04 + Not Applicable
07/18/2026 08 PM PDT 5.98 - Not Applicable
07/18/2026 09 PM PDT 5.45 - Not Applicable
07/18/2026 10 PM PDT 4.59 - Not Applicable
07/18/2026 11 PM PDT 3.79 - Not Applicable
07/19/2026 12 AM PDT 3.28 - Not Applicable
07/19/2026 01 AM PDT 2.92 - Not Applicable
07/19/2026 02 AM PDT 3.08 + Not Applicable
07/19/2026 03 AM PDT 3.84 + Not Applicable
07/19/2026 04 AM PDT 4.80 + Not Applicable
07/19/2026 05 AM PDT 5.36 + Not Applicable
07/19/2026 06 AM PDT 5.68 + Not Applicable
07/19/2026 07 AM PDT 5.65 - Not Applicable
07/19/2026 08 AM PDT 5.25 - Not Applicable
07/19/2026 09 AM PDT 4.41 - Not Applicable
07/19/2026 10 AM PDT 3.60 - Not Applicable
07/19/2026 11 AM PDT 2.88 - Not Applicable
07/19/2026 12 PM PDT 2.43 - Not Applicable
07/19/2026 01 PM PDT 2.07 - Not Applicable
07/19/2026 02 PM PDT 1.94 - Not Applicable
07/19/2026 03 PM PDT 3.01 + Not Applicable
07/19/2026 04 PM PDT 4.11 + Not Applicable
07/19/2026 05 PM PDT 5.08 + Not Applicable
07/19/2026 06 PM PDT 5.70 + Not Applicable
07/19/2026 07 PM PDT 6.02 + Not Applicable
07/19/2026 08 PM PDT 6.20 + Not Applicable
07/19/2026 09 PM PDT 5.99 - Not Applicable
07/19/2026 10 PM PDT 5.32 - Not Applicable
07/19/2026 11 PM PDT 4.34 - Not Applicable
07/20/2026 12 AM PDT 3.74 - Not Applicable
07/20/2026 01 AM PDT 3.27 - Not Applicable
07/20/2026 02 AM PDT 2.93 - Not Applicable
07/20/2026 03 AM PDT 2.88 - Not Applicable
07/20/2026 04 AM PDT 3.42 + Not Applicable
07/20/2026 05 AM PDT 4.24 + Not Applicable
07/20/2026 06 AM PDT 4.86 + Not Applicable
07/20/2026 07 AM PDT 5.38 + Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Trend Forecast Status
# ------------------------------------------------------------------
07/20/2026 08 AM PDT 5.55 Not Applicable
07/20/2026 09 AM PDT 5.36 - Not Applicable
07/20/2026 10 AM PDT 4.86 - Not Applicable
07/20/2026 11 AM PDT 4.18 - Not Applicable
07/20/2026 12 PM PDT 3.51 - Not Applicable
07/20/2026 01 PM PDT 3.04 - Not Applicable
07/20/2026 02 PM PDT 2.89 - Not Applicable
07/20/2026 03 PM PDT 3.10 + Not Applicable
07/20/2026 04 PM PDT 3.63 + Not Applicable
07/20/2026 05 PM PDT 4.38 + Not Applicable
07/20/2026 06 PM PDT 5.20 + Not Applicable
07/20/2026 07 PM PDT 5.91 + Not Applicable
07/20/2026 08 PM PDT 6.41 + Not Applicable
07/20/2026 09 PM PDT 6.56 + Not Applicable
07/20/2026 10 PM PDT 6.37 - Not Applicable
07/20/2026 11 PM PDT 5.87 - Not Applicable
07/21/2026 12 AM PDT 5.17 - Not Applicable
07/21/2026 01 AM PDT 4.39 - Not Applicable
07/21/2026 02 AM PDT 3.69 - Not Applicable
07/21/2026 03 AM PDT 3.23 - Not Applicable
07/21/2026 04 AM PDT 3.07 - Not Applicable
07/21/2026 05 AM PDT 3.22 + Not Applicable
07/21/2026 06 AM PDT 3.62 + Not Applicable
07/21/2026 07 AM PDT 4.16 + Not Applicable
07/21/2026 08 AM PDT 4.68 + Not Applicable
07/21/2026 09 AM PDT 5.06 + Not Applicable
07/21/2026 10 AM PDT 5.17 + Not Applicable
07/21/2026 11 AM PDT 4.94 - Not Applicable
07/21/2026 12 PM PDT 4.45 - Not Applicable
07/21/2026 01 PM PDT 3.87 - Not Applicable
07/21/2026 02 PM PDT 3.42 - Not Applicable
07/21/2026 03 PM PDT 3.27 - Not Applicable
07/21/2026 04 PM PDT 3.46 + Not Applicable
07/21/2026 05 PM PDT 3.93 + Not Applicable
07/21/2026 06 PM PDT 4.60 + Not Applicable
07/21/2026 07 PM PDT 5.34 + Not Applicable
07/21/2026 08 PM PDT 6.00 + Not Applicable
07/21/2026 09 PM PDT 6.44 + Not Applicable
07/21/2026 10 PM PDT 6.57 + Not Applicable
07/21/2026 11 PM PDT 6.35 - Not Applicable
07/22/2026 12 AM PDT 5.80 - Not Applicable
07/22/2026 01 AM PDT 5.05 - Not Applicable
07/22/2026 02 AM PDT 4.21 - Not Applicable
07/22/2026 03 AM PDT 3.45 - Not Applicable
07/22/2026 04 AM PDT 2.94 - Not Applicable
07/22/2026 05 AM PDT 2.77 - Not Applicable
07/22/2026 06 AM PDT 2.93 + Not Applicable
07/22/2026 07 AM PDT 3.36 + Not Applicable
07/22/2026 08 AM PDT 3.92 + Not Applicable
07/22/2026 09 AM PDT 4.47 + Not Applicable
07/22/2026 10 AM PDT 4.87 + Not Applicable
07/22/2026 11 AM PDT 5.00 + Not Applicable
07/22/2026 12 PM PDT 4.85 - Not Applicable
07/22/2026 01 PM PDT 4.49 - Not Applicable
07/22/2026 02 PM PDT 4.07 - Not Applicable
07/22/2026 03 PM PDT 3.74 - Not Applicable
07/22/2026 04 PM PDT 3.65 - Not Applicable
07/22/2026 05 PM PDT 3.90 + Not Applicable
07/22/2026 06 PM PDT 4.45 + Not Applicable
07/22/2026 07 PM PDT 5.18 + Not Applicable
07/22/2026 08 PM PDT 5.89 + Not Applicable
07/22/2026 09 PM PDT 6.39 + Not Applicable
07/22/2026 10 PM PDT 6.57 + Not Applicable
07/22/2026 11 PM PDT 6.41 - Not Applicable
07/23/2026 12 AM PDT 5.95 - Not Applicable
07/23/2026 01 AM PDT 5.28 - Not Applicable
07/23/2026 02 AM PDT 4.48 - Not Applicable
07/23/2026 03 AM PDT 3.68 - Not Applicable
07/23/2026 04 AM PDT 3.01 - Not Applicable
07/23/2026 05 AM PDT 2.57 - Not Applicable
07/23/2026 06 AM PDT 2.44 - Not Applicable
07/23/2026 07 AM PDT 2.65 + Not Applicable
07/23/2026 08 AM PDT 3.15 + Not Applicable
07/23/2026 09 AM PDT 3.79 + Not Applicable
07/23/2026 10 AM PDT 4.41 + Not Applicable
07/23/2026 11 AM PDT 4.86 + Not Applicable
07/23/2026 12 PM PDT 5.03 + Not Applicable
07/23/2026 01 PM PDT 4.92 - Not Applicable
07/23/2026 02 PM PDT 4.64 - Not Applicable
07/23/2026 03 PM PDT 4.31 - Not Applicable
07/23/2026 04 PM PDT 4.05 - Not Applicable
07/23/2026 05 PM PDT 3.98 - Not Applicable
07/23/2026 06 PM PDT 4.21 + Not Applicable
07/23/2026 07 PM PDT 4.70 + Not Applicable
07/23/2026 08 PM PDT 5.35 + Not Applicable
07/23/2026 09 PM PDT 5.99 + Not Applicable
07/23/2026 10 PM PDT 6.44 + Not Applicable
07/23/2026 11 PM PDT 6.59 + Not Applicable
07/24/2026 12 AM PDT 6.40 - Not Applicable
07/24/2026 01 AM PDT 5.90 - Not Applicable
07/24/2026 02 AM PDT 5.18 - Not Applicable
07/24/2026 03 AM PDT 4.33 - Not Applicable
07/24/2026 04 AM PDT 3.48 - Not Applicable
07/24/2026 05 AM PDT 2.76 - Not Applicable
07/24/2026 06 AM PDT 2.29 - Not Applicable
07/24/2026 07 AM PDT 2.16 - Not Applicable
07/24/2026 08 AM PDT 2.40 + Not Applicable
07/24/2026 09 AM PDT 2.98 + Not Applicable
07/24/2026 10 AM PDT 3.72 + Not Applicable
07/24/2026 11 AM PDT 4.44 + Not Applicable
07/24/2026 12 PM PDT 4.96 + Not Applicable
07/24/2026 01 PM PDT 5.15 + Not Applicable
07/24/2026 02 PM PDT 5.00 - Not Applicable
07/24/2026 03 PM PDT 4.66 - Not Applicable
07/24/2026 04 PM PDT 4.34 - Not Applicable
07/24/2026 05 PM PDT 4.22 - Not Applicable
07/24/2026 06 PM PDT 4.35 + Not Applicable
07/24/2026 07 PM PDT 4.70 + Not Applicable
07/24/2026 08 PM PDT 5.20 + Not Applicable
07/24/2026 09 PM PDT 5.74 + Not Applicable
07/24/2026 10 PM PDT 6.22 + Not Applicable
07/24/2026 11 PM PDT 6.55 + Not Applicable
07/25/2026 12 AM PDT 6.63 + Not Applicable
07/25/2026 01 AM PDT 6.41 - Not Applicable
07/25/2026 02 AM PDT 5.88 - Not Applicable
07/25/2026 03 AM PDT 5.11 - Not Applicable
07/25/2026 04 AM PDT 4.21 - Not Applicable
07/25/2026 05 AM PDT 3.31 - 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.
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