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Hawaiian Lifeguard Association

on behalf of

National Weather Service

Weather Forecast Office - Honolulu, HI

County of Hawaiʻi

Fire Department - Ocean Safety Division

City and County of Honolulu

Emergency Services Department - Ocean Safety and Lifeguard Services Division

County of Kauaʻi

Fire Department - Ocean Safety Bureau

County of Maui

Parks and Recreation - Aquatics Division

FOR IMMEDIATE RELEASE: Monday, December 6, 2021 - 2:40am HST

Flash Flood Warning


Effective: Monday, December 6, 2021 - 2:40am to 6:15am

The National Weather Service in Honolulu has extended the

* Flash Flood Warning for... The island of Maui in Maui County

* Until 615 AM HST.

* At 240 AM HST, radar indicated a renewed area of very heavy showers moving over Maui from the south, with even more heavy showers developing further upstream. Localized rainfall rates of 2 to 3 inches per hour will exacerbate ongoing flooding from earlier rainfall. Portions of leeward Maui have received over 6 inches of rain over the past 6 hours, and runoff remains high. HAZARD...Heavy rain producing life threatening flash flooding. SOURCE...Radar. IMPACT...Significant and life threatening flooding in drainages, streams, rivers, roads, properties, and other low lying areas. Multiple public road closures expected, as well as landslides in steep terrain.

* Some locations that will experience flash flooding include... the entire island of Maui. This warning may need to be extended beyond 615 AM HST if flooding persists. FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
Notes (optional):

A Flash Flood Warning means that flooding is occurring or will develop quickly.

Warning Instruction:
Be especially cautious at night when it is harder to recognize the dangers of flooding. Stay away from streams, rivers, drainage ditches, and culverts, even if they are currently dry. Do not cross fast flowing or rising water in your vehicle, or on foot. Turn around, don`t drown.

Unmonitored lands and waters in the impact area described in the alert will also be impacted.

If conditions change before expiration or the event needs to be extended, an update or cancellation will be issued from Hawaii Beach Safety Website.


Alert Identifier: 13508
  • maui