The flood advisory for Hawaii island has been extended until 1 p.m. today.
At 9:47 a.m., National Weather Service radar indicated moderate to heavy rain was falling over portions of the Hilo, Puna and Kau districts. Rain was falling at a rate of 1 to 2 inches.
Locations in the advisory include, but are not limited to Hilo, Hawaiian Acres, Glenwood, Pepeekeo, Keaau, Hawai‘i Volcanoes National Park, Volcano, Pahala, Orchidland Estates, Hawaiian Paradise Park, Pahoa and Honomu.
The high-surf advisory for east facing shores from Kauai to Hawaii island remains in effect through 6 p.m. Wednesday.
Highest rainfall amounts over the last 24 hours were recorded on Hawaii island at Hilo Airport, at 7.26 inches, Waiakea Experiment Station, at 6.77 inches, and on Oahu at Hakipuu Mauka, at 5.46 inches and Kahana at 5.34 inches. Hana Airport recorded 4.49 inches.
The heavy showers from overnight and this morning are expected to eventually subside, while winds are expected to ease into the moderate range today and Wednesday.
Today will be partly sunny, with highs from 79 t0 84 degrees Fahrenheit, and trades from 15 to 25 mph. Tonight will be mostly cloudy, with lows from 64 to 69.
Forecasters, meanwhile, say another high pressure system in the northwest is expected to build in Thursday, increasing trade speeds into the moderate to breezy range once again. The strong trades are expected to remain Friday and into the weekend.
A high-surf advisory is in effect for the east shores of Kauai, Oahu, Molokai, Maui and Hawaii island.
The National Weather Service in Honolulu said persistent tradewinds over and upstream of the Hawaiian Islands will result in rough surf at area beaches today through Wednesday.
Expect surf 8 to 12 feet today, then lowering 6 to 10 feet tonight and subsiding to 5 to 8 feet Wednesday, forecasters said. The advisory expires 6 p.m. Wednesday.
Beachgoers, swimmers and surfers are advised to heed all advice given by ocean safety officials and exercise caution before entering waters.
Meanwhile, a flood advisory was in effect for Hawaii island until 10 a.m. today.
At 6:46 a.m., the radar indicated heavy rain near Hilo falling at a rate of 1 to 2 inches per hour. The flood advisory may be extended if heavy rain persists.
Locations in the advisory include but are not limited to Hilo, Hawaiian Acres, Glenwood, Pepeekeo, Keaau, Hawaii Volcanoes National Park, Volcano, Pahala, Orchidland Estates, Hawaiian Paradise Park, Pahoa and Honomu, according to forecasters.
“Stay away from streams, drainage ditches and low lying areas prone to flooding,” the advisory said. “Rainfall and runoff will also cause hazardous driving conditions due to ponding, reduced visibility and poor braking action. Do not cross fast flowing or rising water in your vehicle, or on foot. Turn around, don`t drown.”