Sacramento-San Joaquin Delta at Mallard Island
Critical Stages
Action
Flood
Moderate
Major
Latest Observation
Updated: 10:15 AM PST 12/10/25
Status: Not Defined
Stage: 3.81 ft
Flow: 6.82 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 1 PM 12/10 | 2.7 | 5.72 |
| 6 PM 12/10 | 5.2 | 8.21 |
| 2 AM 12/11 | 1.1 | 4.12 |
| 8 AM 12/11 | 5.3 | 8.31 |
| 2 PM 12/11 | 2.7 | 5.72 |
| 7 PM 12/11 | 4.9 | 7.9 |
| 2 AM 12/12 | 1.5 | 4.56 |
| 9 AM 12/12 | 5.5 | 8.51 |
| 3 PM 12/12 | 2.5 | 5.53 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 10:30 AM 12/10 | 3.62 | 6.64 |
| 10:15 AM 12/10 | 3.81 | 6.82 |
| 10:00 AM 12/10 | 4.03 | 7.03 |
| 9:45 AM 12/10 | 4.18 | 7.19 |
| 9:30 AM 12/10 | 4.34 | 7.35 |
| 9:15 AM 12/10 | 4.48 | 7.49 |
| 9:00 AM 12/10 | 4.59 | 7.6 |
| 8:45 AM 12/10 | 4.75 | 7.76 |
| 8:30 AM 12/10 | 4.77 | 7.78 |
| 8:15 AM 12/10 | 4.82 | 7.83 |
| 8:00 AM 12/10 | 4.8 | 7.81 |
| 7:45 AM 12/10 | 4.83 | 7.84 |
| 7:30 AM 12/10 | 4.81 | 7.82 |
| 7:15 AM 12/10 | 4.77 | 7.78 |
| 7:00 AM 12/10 | 4.8 | 7.81 |
| 6:45 AM 12/10 | 4.68 | 7.69 |
| 6:30 AM 12/10 | 4.53 | 7.54 |
| 6:15 AM 12/10 | 4.5 | 7.51 |
| 6:00 AM 12/10 | 4.39 | 7.4 |
| 5:45 AM 12/10 | 4.25 | 7.26 |
| 5:30 AM 12/10 | 4.15 | 7.16 |
| 5:15 AM 12/10 | 4.06 | 7.06 |
| 5:00 AM 12/10 | 3.91 | 6.92 |
| 4:45 AM 12/10 | 3.7 | 6.71 |
| 4:30 AM 12/10 | 3.53 | 6.55 |
| 4:15 AM 12/10 | 3.34 | 6.36 |
| 4:00 AM 12/10 | 3.1 | 6.11 |
| 3:45 AM 12/10 | 2.84 | 5.85 |
| 3:30 AM 12/10 | 2.58 | 5.61 |
| 3:15 AM 12/10 | 2.27 | 5.29 |
No flood impact data available for this location.
Historical crest information is not available.
Data provided by the National Weather Service.
