South Shore Harbor Marina
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Boat launches near South Shore Harbor Marina
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Typical flow by month
2009 to 2026
The water at South Shore Harbor Marina typically runs highest in April, at a median 770,500 cfs, and lowest in October, at 273,000 cfs. The highest flow on record for any single day is 1,330,000 cfs, in 2016.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 555,000 | 446,000 to 734,000 | |
| February | 623,000 | 469,000 to 821,000 | |
| March | 759,000 | 530,000 to 958,000 | |
| April | 770,500 | 619,500 to 967,000 | |
| May | 769,000 | 652,000 to 982,000 | |
| June | 720,000 | 571,500 to 856,500 | |
| July | 558,000 | 435,000 to 624,000 | |
| August | 385,000 | 314,000 to 466,000 | |
| September | 307,000 | 230,500 to 373,500 | |
| October | 273,000 | 202,000 to 406,000 | |
| November | 293,500 | 228,000 to 404,000 | |
| December | 383,000 | 264,000 to 662,000 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 17 years of record. Statistics published by the US Geological Survey for Mississippi River at Belle Chasse, LA (site 07374525). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Current conditions
Waves
0.1 ft @ 2s
Wind
3 kt
Gusts 24 kt
Air
86°F
Streamflow
247,000 cfs
Normal (35th)
Water level
8.17 ft
Rain chance
38%
Forecast outlook
Forecast from Open-Meteo global models (NOAA & ECMWF). See full conditions →
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