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: Jul 11 2025 at 7:32 AM PDTNext Issuance: Jul 12 2025 at 9:00 AM PDT
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A

Please Note:
1) Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.

2) At extremely low river flows, the "Observed (Raw Data)" may show readings below the lower end of the available rating table, while the "Observed (Simulated)" will only show values at the bottom of the rating table, creating a potential discrepancy between the two readings.
Observed Data Credit
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Raw streamflow data is provided by the California Department of Water Resources.
View California Department of Water Resources Data for this station location.

Verification - Historical Graphical RVF
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To view other verification locations, use our Historical Graphical River Forecast Interface.
Delta Tide Forecast - Text Bulletin (RNORVFSAC)
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ018)
Today: Sunny. Near the bay, mostly cloudy in the morning then clearing. Areas of smoke until late afternoon. Highs 84 to 90 and Except 76 to 82 near the bay. West winds 10 to 15 mph with gusts to around 25 mph.

Tonight: Clear. Lows 55 to 61. West winds 10 to 15 mph with gusts to around 30 mph.

Sunday: Sunny. Near the bay, mostly cloudy in the morning then clearing. Highs 85 to 91 and except 79 to 85 near the bay. West winds 10 to 15 mph with gusts to around 25 mph.

Sunday Night: Clear. Lows 55 to 61. Southwest winds 10 to 15 mph with gusts to around 25 mph.

Monday: Sunny. Near the bay, mostly cloudy in the morning then clearing. Highs 88 to 94 and except 81 to 87 near the bay. West winds 10 to 15 mph.

Monday Night: Clear. Lows 55 to 61.

Tuesday: Sunny. Highs 81 to 87.

Tuesday Night through Friday: Clear. Lows 54 to 60. Highs 80 to 86.
Product Disclaimer

This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS Sacramento Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only.