Based on NOAA Storm Events Database records from 1996 to 2025, these are the Hawaii counties with the most recorded flood events. Honolulu County tops the list with 228 events. The data includes river floods, flash floods, coastal flooding, and hurricane-related flooding.
| Rank | County | Total Events | River Floods | Flash Floods |
|---|---|---|---|---|
| 1 | Honolulu County | 228 | 85 | 140 |
| 2 | Hawaii County | 225 | 88 | 132 |
| 3 | Kauai County | 209 | 61 | 148 |
| 4 | Maui County | 179 | 57 | 122 |
Source: NOAA Storm Events Database (1996–2025).
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