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Honolulu water levels in 2025
Annual rank5 / 114
vs. average11.2 cm
Highest monthly peak0.71 mNovember 2025
Monthly mean vs. previous year
| Month | 2025 (cm) | 2024 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 7.8 | 6.6 | 1.2 | 0.62 |
| Feb | 6.7 | 3.0 | 3.7 | 0.56 |
| Mar | 2.3 | 3.2 | -0.9 | 0.47 |
| Apr | 4.4 | 3.5 | 0.9 | 0.57 |
| May | 2.8 | 6.1 | -3.3 | 0.59 |
| Jun | 2.1 | 7.9 | -5.8 | 0.59 |
| Jul | 5.6 | 15.7 | -10.1 | 0.57 |
| Aug | 15.7 | 19.6 | -3.9 | 0.63 |
| Sep | 20.3 | 19.2 | 1.1 | 0.63 |
| Oct | 18.2 | 17.8 | 0.4 | 0.70 |
| Nov | 12.6 | 11.8 | 0.8 | 0.71 |
| Dec | 8.3 | 10.6 | -2.3 | 0.68 |
Nearby years (cm vs. average)
+16.7
+9.9
+6.7
+7.0
+12.7
+11.2
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2025 annual mean water level ranked 5 of 114 years (11.2 cm vs. the period average).