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Latitude: 37.68º N | Longitude: 121.27º W | Elevation: 35 Feet | |||
Location: San Joaquin County in California | Bulletin Group: San Joaquin | River Group: San Joaquin |
Action/Monitor: 24.5 Feet | Minor Flood: 29.0 Feet | Moderate Flood: 32.0 Feet | Major Flood: 37.3 Feet |
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Observed Data Credit | |
![]() | Raw streamflow data is provided by the US Geological Survey (USGS). |
Historical Stage/Flow Data |
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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 |
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. |
Official 7 Day National Weather Service Forecast (CAZ019) |
Today: Sunny. Highs 83 to 91. Northwest winds up to 15 mph. Gusts up to 25 mph in the afternoon. Tonight: Clear. Lows 50 to 58. Northwest winds up to 15 mph with gusts to around 25 mph. Tuesday: Sunny. Highs 87 to 94. Northwest winds up to 10 mph with gusts to around 20 mph. Tuesday Night: Clear. Lows 55 to 63. Northwest winds up to 15 mph. Wednesday: Sunny. Highs 92 to 100. Northwest winds up to 10 mph. Gusts up to 20 mph in the afternoon. Wednesday Night: Clear. Lows 55 to 63. juneteenth: Sunny. Highs 86 to 94. Thursday Night through Friday Night: Clear. Lows 50 to 57. Highs 83 to 93. Saturday and Saturday Night: Clear. Highs 76 to 84. Lows 50 to 60. Sunday: Sunny. Highs 82 to 90. |
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. |