The National Weather Service in Honolulu has dropped a Flash Flood Warning for Oahu.
At 11:40 am, emergency management reported flash flooding in Hauula Beach Park area with 6 to 8 inches of water covering Kamehameha Highway. Stream levels continue to rise and additional heavy rainfall and flash flooding can be expected over the next hour, including in downtown Honolulu.
Radar indicated heavy rain over the eastern half of Oahu, with the heaviest rain falling from Honolulu to Kaneohe.
Locations in the warning include but are not limited to Honolulu, Hauula, Waimanalo, Mililani, Wahiawa, Kaneohe Marine Base, Hawaii Kai, Laie, Palolo, Kahaluu, Ahuimanu and Punaluu.
There's also several bands of thunderstorms off shore of the islands that could impact boaters, or move ashore later in the afternoon.
The heavy rain has prompted several road closures.
The Likelike Highway was closed in both directions due to heavy debris on the roadway Friday afternoon. The Kaneohe-bound lanes reopened about 3 p.m.
The H-3 Freeway offramp Kaneohe-bound to the Likelike Highway is closed to due ponding and debris on the roadway. Expect delays through the area. HDOT crews are on scene working to clear the debris.
Due to dangerous wet road conditions, the area of 53-777 Kamehameha Highway in Hauula to Sacred Falls was closed for several hours. It reopened as of 2 pm Friday.
The inclement weather is resulting in the closure of park facilities.
Ho'omaluhia Botanical Garden is closing due to the rainfall affecting driving conditions on the main garden road. The gate at the main entrance off of Luluku Road will be closed as a result. Only garden visitors with valid camping permits will be allowed to enter the botanical garden, as the campgrounds will remain open. Weekend fishing at the garden lake is also being suspended at this time.
Various fields at the Patsy T. Mink Central O'ahu Regional park are closed due to the rainfall, including the softball fields and Adult Baseball Field #4. Additional fields may be closed if the soggy conditions persist.
Throughout the day, pools at park facilities have experienced closures due to observed lightning and thunder. Some of those affected pool facilities include: K. Mark Takai Veterans Memorial Aquatics Center, McCully District Park, Makiki District Park, Mānoa Valley District Park, and Kailua District Park.
A flash flood watch is in effect for Kauai and Niihau through this afternoon.
Stay with KHON2 and KHON2.com for the latest on the stormy conditions.