Board of Water Supply crews are working to repair an 8-inch water main in Aiea.
The leak was reported at about 1:45 a.m. Tuday at Nalopaka Place and Mikalemi Street.
According to BWS officials, six homes are without water at this time.
Honolulu police have closed Nalopaka Place at Mikalemi Street while crews repair the break. Motorists are advised to avoid the area.
Parents dropping off students at Alvah Scott Elementary School are advised to use an alternate route. Students may be dropped off at the makai side of the elementary school.
The school is not affected by the main break.