Sacramento-San Joaquin Delta at Mallard Island
Critical Stages
Action
Flood
Moderate
Major
Latest Observation
Updated: 12:45 AM PST 12/6/25
Status: Not Defined
Stage: 3.2 ft
Flow: 6.21 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 4 AM 12/6 | 5 | 8 |
| 8 AM 12/6 | 3.3 | 6.31 |
| 2 PM 12/6 | 6.8 | 9.8 |
| 11 PM 12/6 | 1 | 4 |
| 5 AM 12/7 | 5.1 | 8.1 |
| 9 AM 12/7 | 3.2 | 6.21 |
| 3 PM 12/7 | 6.5 | 9.51 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 1:15 AM 12/6 | 3.73 | 6.74 |
| 1:00 AM 12/6 | 3.48 | 6.5 |
| 12:45 AM 12/6 | 3.2 | 6.21 |
| 12:30 AM 12/6 | 2.88 | 5.89 |
| 12:15 AM 12/6 | 2.56 | 5.59 |
| 12:00 AM 12/6 | 2.22 | 5.24 |
| 11:45 PM 12/5 | 1.88 | 4.9 |
| 11:30 PM 12/5 | 1.55 | 4.61 |
| 11:15 PM 12/5 | 1.28 | 4.33 |
| 11:00 PM 12/5 | 1.07 | 4.09 |
| 10:45 PM 12/5 | 0.93 | -999 |
| 10:30 PM 12/5 | 0.89 | -999 |
| 10:15 PM 12/5 | 0.89 | -999 |
| 10:00 PM 12/5 | 0.92 | -999 |
| 9:45 PM 12/5 | 0.99 | -999 |
| 9:30 PM 12/5 | 1.09 | 4.11 |
| 9:15 PM 12/5 | 1.23 | 4.28 |
| 9:00 PM 12/5 | 1.35 | 4.41 |
| 8:45 PM 12/5 | 1.47 | 4.53 |
| 8:30 PM 12/5 | 1.66 | 4.71 |
| 8:15 PM 12/5 | 1.83 | 4.86 |
| 8:00 PM 12/5 | 2.01 | 5.01 |
| 7:45 PM 12/5 | 2.16 | 5.18 |
| 7:30 PM 12/5 | 2.28 | 5.3 |
| 7:15 PM 12/5 | 2.55 | 5.58 |
| 7:00 PM 12/5 | 2.72 | 5.74 |
| 6:45 PM 12/5 | 2.88 | 5.89 |
| 6:30 PM 12/5 | 3.04 | 6.04 |
| 6:15 PM 12/5 | 3.23 | 6.24 |
| 6:00 PM 12/5 | 3.39 | 6.41 |
No flood impact data available for this location.
Historical crest information is not available.
Data provided by the National Weather Service.
