Pearl Harbor, Hawaii
Regional Weather Alerts
| Alert: | Flood Watch |
| Area(s): | Kona; Kohala; Big Island Interior; Big Island Summit; Big Island South; Big Island Southeast; Big Island East; Big Island North |
| Effective: | 2026-08-23 @ 8:15 am -> 2026-08-23 @ 11:00 pm |
| Onset: | 2026-08-23 @ 8:15 am -> 2026-08-24 @ 11:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Honolulu HI on 2026-08-23 @ 8:15 am |
| Headline: | Flood Watch issued August 23 at 3:15AM HST until August 24 at 6:00PM HST by NWS Honolulu HI |
| Description: |
Moisture on the northern periphery of Tropical Storm Moke will bring areas of heavy rain to portions of the Big Island through Monday afternoon. * WHAT...Flash flooding caused by excessive rainfall is possible for windward and southeast Big Island. * WHERE...The Big Island. * WHEN...Through Monday afternoon. * IMPACTS...Flood prone roads and other low lying areas may be closed due to elevated runoff and overflowing streams. Urban areas may receive more significant flooding and property damage due to rapid runoff. * ADDITIONAL DETAILS... - Tropical Storm Moke is forecast to bring periods of heavy rain to the Big Island through Monday afternoon. Rainfall totals of 5 to 10 inches, locally up to 15 inches, are possible over the windward and southeast slopes of the Big Island. It will not take a significant amount of rain to cause flash flooding due to saturated grounds from recent heavy rain. |
| Alert: | Wind Advisory |
| Area(s): | Lanai Mauka; Kahoolawe; Maui Leeward West; Kohala; Big Island Interior; Molokai Southeast; Molokai North; Molokai West; Molokai Leeward South; Lanai Windward; Lanai Leeward; Maui Central Valley North; Maui Central Valley South; Windward Haleakala; South Haleakala; Big Island South; Big Island Southeast; Big Island North |
| Effective: | 2026-08-23 @ 8:08 am -> 2026-08-23 @ 11:00 pm |
| Onset: | 2026-08-23 @ 8:08 am -> 2026-08-23 @ 11:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Honolulu HI on 2026-08-23 @ 8:08 am |
| Headline: | Wind Advisory issued August 23 at 3:08AM HST until August 23 at 6:00PM HST by NWS Honolulu HI |
| Description: |
* WHAT...East-northeast winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...Portions of Maui, Molokai, Lanai, Kahoolawe, and the Big Island. Strongest sustained winds will occur over mountain ridges...gaps...and where winds blow downslope from higher terrain. * WHEN...Until 6 PM HST this evening. * IMPACTS...Winds this strong can tear off shingles, knock down tree branches, blow away tents and awnings and make it difficult to steer, especially for drivers of high profile vehicles. |