UPDATE: Flood advisory in effect for parts of Puna, Kaʻū extended as excessive rainfall persists

Update at 9:01 p.m. Tuesday, April 7, 2026: The flood advisory in effect for east and southeast portions of the Big Island, specifically the downslope areas of Puna and Kaʻū, continues until 11:15 p.m. as excessive rainfall causing flooding continues.

Radar and automated rain gauges indicated at 7:52 p.m. Tuesday that heavy rain continued to fall — at rates of 1 to 2 inches per hour — over those downslope portions of the two districts.

Story originally posted at 6:58 p.m. Tuesday, April 7, 2026: National Weather Service forecasters in Honolulu issued a flood advisory in effect until 8:15 p.m. Tuesday, April 7, for downslope portions of Puna and Kaʻū because of flooding caused by excessive rainfall.

Radar and automated rain gauges indicated just after 5 p.m. that heavy rain, falling at a rate of 1 to 2 inches per hour, over those areas of east and southeast Hawaiʻi Island. Flooding on roads, poor drainage areas and in streams is expected in the advisory area.

Significant rises were observed on the Pāʻauhau Gulch River gauge near Pāhala in Kaʻū.

Some locations that will experience flooding include Hawaiian Paradise Park, Hawaiʻi Volcanoes National Park, Volcano, Glenwood, Mountain View, Hawaiian Acres, Orchidland Estates, Pāhoa, Wood Valley, Pāhala, Punaluʻu Black Sand Beach, Kawa Flats, Nāʻālehu, Fern Forest, Eden Roc, Fern Acres, Kalapana, Kurtistown and ʻĀinaloa.

The public is advised to stay away from streams, drainage ditches and low-lying areas prone to flooding.