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Galveston, Galveston Channel water levels in 2025
Annual rank11 / 122
vs. average34.4 cm
Highest monthly peak0.84 mOctober 2025
Monthly mean vs. previous year
| Month | 2025 (cm) | 2024 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -1.0 | 3.5 | -4.5 | 0.72 |
| Feb | 2.5 | 3.5 | -1.0 | 0.41 |
| Mar | 0.7 | 19.5 | -18.8 | 0.55 |
| Apr | 12.6 | 13.8 | -1.2 | 0.62 |
| May | 20.4 | 31.1 | -10.7 | 0.60 |
| Jun | 19.9 | 30.7 | -10.8 | 0.61 |
| Jul | 9.8 | 11.9 | -2.1 | 0.38 |
| Aug | 15.4 | 12.8 | 2.6 | 0.47 |
| Sep | 26.6 | 34.5 | -7.9 | 0.60 |
| Oct | 32.6 | 34.9 | -2.3 | 0.84 |
| Nov | 12.1 | 31.7 | -19.6 | 0.51 |
| Dec | 3.6 | 9.1 | -5.5 | 0.55 |
Nearby years (cm vs. average)
+45.6
+42.6
+40.0
+44.1
+41.2
+34.4
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2025 annual mean water level ranked 11 of 122 years (34.4 cm vs. the period average).