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Tropical Storm Moke to pass south of Hawaii, bringing heavy rain to the Big Island

3:18
20 million under severe weather threat
NOAA via AP
ByNadine El-Bawab and Michelle Simmons
August 23, 2026, 10:46 AM

Tropical Storm Moke continues to churn in open waters in the Central Pacific, just days after Hurricane Lala left widespread destruction across Hawaii.

The new system is currently located about 330 miles southeast of Hilo, Hawaii, with winds of 45 mph.

It is moving west-northwest at 12 mph and is expected to pass south of the Hawaiian islands through the weekend into early next week.

An ABC News graphic shows the forecast for Sunday, Aug. 23, 2026.
ABC News

Moke is forecast to remain at tropical storm strength through Tuesday before weakening.

This NOAA satellite image taken Aug. 22, 2026, shows Tropical Storm Moke advancing towards Hawaii in the Pacific Ocean.
NOAA via AP

On the current forecast track, rain and gusty winds will arrive to the Big Island Saturday night and continue through the beginning of next week.

The storm is expected to produce rainfall totals of 5 to 10 inches, with maximum amounts of 15 inches across the Big Island.

PHOTO: Hawaii flood map
ABC News

Rain has already begun to move across the Big Island and is expected to continue through at least Monday, with lingering rain still impacting some of the islands possibly on Tuesday.

Rainfall totals of 1 to 3 inches, with maximum amounts of 5, are expected across the remainder of the Hawaiian islands.

An ABC News graphic shows the forecast for Sunday, Aug. 23, 2026.
ABC News

This rainfall may produce life threatening flooding and mudslides, especially in steep terrain and over areas that were affected recently by Hurricane Lala.

Lala moved south of the Big Island on Sunday as a Category 1 hurricane, damaging or destroying more than 100 homes and cutting off some communities, according to the governor.

The storm dumped more than a foot of rain over parts of the state, with the highest elevations getting more than 40 inches. Thousands on the Big Island are still without power.

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