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Charleston water levels in 2025
Annual rank18 / 54
vs. average2.3 cm
Highest monthly peak1.87 mApril 2025
Monthly mean vs. previous year
| Month | 2025 (cm) | 2024 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -0.1 | 28.2 | -28.3 | 1.57 |
| Feb | 6.6 | 26.1 | -19.5 | 1.47 |
| Mar | 13.7 | 16.1 | -2.4 | 1.83 |
| Apr | -3.4 | -7.1 | 3.7 | 1.87 |
| May | -8.1 | -10.4 | 2.3 | 1.53 |
| Jun | -9.3 | -7.6 | -1.7 | 1.47 |
| Jul | -1.6 | -6.2 | 4.6 | 1.45 |
| Aug | -1.9 | -0.3 | -1.6 | 1.25 |
| Sep | 3.3 | -1.3 | 4.6 | 1.42 |
| Oct | 7.7 | -0.4 | 8.1 | 1.62 |
| Nov | 11.2 | 11.1 | 0.1 | 1.87 |
| Dec | 13.4 | 19.2 | -5.8 | 1.71 |
Nearby years (cm vs. average)
-1.3
-0.1
+0.7
+7.6
+5.3
+2.3
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2025 annual mean water level ranked 18 of 54 years (2.3 cm vs. the period average).