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Latitude: 37.68º N | Longitude: 121.27º W | Elevation: 35 Feet | |
Location: San Joaquin County in California | River Group: San Joaquin |
Monitor Stage: 24.5 Feet | Flood Stage: 29.0 Feet | Danger Stage: 29.5 Feet |
Observed Data Credit | |
![]() | Raw streamflow data is provided by the US Geological Survey (USGS). |
Historical Stage/Flow Data |
|||
Water Year
|
Peak Discharge (cfs)
|
Stage (feet)
|
Date
|
Most Recent 5 Years | |||
2024* |
10,300 |
18.12 |
Mar 6, 2024 |
2023* |
34,400 |
29.82 |
Mar 19, 2023 |
2022* |
2,600 |
10.83 |
Dec 29, 2021 |
2021* |
2,470 |
10.76 |
Jan 31, 2021 |
2020* |
6,130 |
14.29 |
Dec 9, 2019 |
Historical High Stage/Flow Events (Period of Record - Jul 1922 to Present) - Ranked by Flow | |||
1951* |
79,000 |
27.75 |
Dec 09, 1950 |
1997* |
75,600 |
34.88 |
Jan 05, 1997 |
1969* |
52,600 |
34.55 |
Jan 27, 1969 |
1938* |
51,200 |
26.64 |
Mar 16, 1938 |
1956* |
50,900 |
26.89 |
Dec 25, 1955 |
1983* |
45,100 |
31.49 |
Mar 07, 1983 |
* Discharge affected by regulation or diversion |
Location Photographs | ||
ESRI™ Locator Map |
Official 7 Day National Weather Service Forecast (CAZ019) |
Tonight: Clear. Lows 53 to 59. Northwest winds up to 15 mph. Sunday: Sunny. Highs 74 to 84. Northwest winds up to 15 mph with gusts to around 25 mph. Sunday Night: Clear, cooler. Lows 45 to 51. Northwest winds 10 to 15 mph with gusts to around 30 mph. Monday: Partly cloudy with a slight chance of rain showers in the morning, then partly cloudy in the afternoon. Highs 63 to 71. Southwest winds up to 10 mph shifting to the west with gusts to around 25 mph in the afternoon. Monday Night: Mostly clear. Lows 44 to 50. West winds up to 15 mph. Gusts up to 30 mph decreasing to 20 mph after midnight. Tuesday: Mostly sunny. Highs 65 to 74. Tuesday Night: Clear. Lows 46 to 52. Wednesday through Thursday: Clear. Highs 76 to 86. Lows 46 to 55. Thursday Night through Saturday: Mostly clear. Lows 52 to 59. Highs 79 to 89. |
Flood Impacts | |
37.29 Feet | Stages above 37.3 feet results in flooding outside the levees. Top of levee. |
29.6 Feet | Homes along east bank of river on Airport Court in Manteca experience flooding. |
26.0 Feet | Severe seepage occurs outside the levees. The area covered by seepage will increase as the river stage rises. |
24.5 Feet | Monitor Stage - water reaches the toe of levee. |
21.0 Feet | Seepage begins into crop area outside of levees. |
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. |