St. Johns Yacht Harbor
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Boat launches near St. Johns Yacht Harbor
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Typical water level by month
1997 to 2025
The water at St. Johns Yacht Harbor typically sits highest in October, at a median 11.05 ft, and lowest in January, at 10.21 ft. The highest water level on record for any single day is 13.20 ft, in 2017.
| Month | Typical (ft) | Usual range (ft) | Relative level |
|---|---|---|---|
| January | 10.21 | 9.83 to 10.56 | |
| February | 10.28 | 9.92 to 10.67 | |
| March | 10.36 | 10.07 to 10.74 | |
| April | 10.45 | 10.13 to 10.79 | |
| May | 10.53 | 10.27 to 10.82 | |
| June | 10.52 | 10.23 to 10.88 | |
| July | 10.44 | 10.22 to 10.76 | |
| August | 10.63 | 10.36 to 10.93 | |
| September | 11.04 | 10.79 to 11.39 | |
| October | 11.05 | 10.77 to 11.45 | |
| November | 10.84 | 10.44 to 11.15 | |
| December | 10.43 | 10.06 to 10.83 |
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 27 years of record. Statistics published by the US Geological Survey for Cooper R at Filbin Creek at North Charleston, SC (site 021720677). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Current conditions
Waves
2.5 ft @ 5s
Wind
9 kt
Gusts 25 kt
Water
83°F
Air
72°F
Water level
13.26 ft
Much above normal (95th)
Rain chance
15%
Forecast outlook
Forecast from Open-Meteo global models (NOAA & ECMWF). See full conditions →
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