Update: Flood advisory expires; high surf advisory remains in effect for Kaua‘i, Ni‘ihau

Update at 10:09 p.m. April 17: A flood advisory that was in effect for the Garden Isle until 9 p.m. was allowed to expire but a high surf advisory for north and west shores of Kaua‘i and Ni‘ihau continues until 6 a.m. Friday.

Large breaking waves of 12 to 16 feet are expected along north shores and 8 to 12 feet along west shores, accompanied by strong currents. This will make swimming and surfing in the advisory areas dangerous.

The public should heed all advice from ocean safety officials — when in doubt, don’t go out.

Update at 7:58 p.m. April 17: The flood advisory for Kaua‘i was extended until 9 p.m. today as radar indicated at just before 6 p.m. heavy showers continuing to repeatedly develop over portions of the island, producing rainfall at rates of 1 to 2 inches per hour.

Update at 3:34 p.m. April 17: National Weather Service forecasters in Honolulu have again extended a flood advisory in effect for the entire island of Kaua‘i, this time until 6 p.m. today, as heavy rains are causing flooding on roads and in poor drainage areas and streams.

Ponding water in urban and other areas also is happening or imminent.

Radar indicated at 1:46 p.m. that rain was falling at a rate of 1 to 2 inches per hour over much of the Garden Isle.

Some locations that will experience flooding include Līhu‘e, Kapa‘a, Kalāheo, Kekaha, Princeville, Kīlauea, North Fork Wailua Trails, Alaka‘i Swamp Trails, Lāwaʻi, ʻŌmaʻo, Kōkeʻe State Park, Wailua Homesteads, Hanalei, Hanapēpē, Wainiha, Nā Pali State Park, Kōloa, Hā’ena, Waimea and Wailua.

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

Do not cross fast flowing or rising water in your vehicle or on foot — turn around, don’t drown.

A flood advisory was initially posted for windward portions of the island earlier this morning and then expanded just before noon to include the entire Garden Isle through 3 p.m. as heavy rains had moved over the rest of Kaua‘i.

Forecasters in Honolulu also issued a high surf advisory for north and west shores of Kaua‘i and Ni‘ihau in effect until 6 a.m. April 18 as the rough weather continues to persist on and around the islands.

Large breaking waves of 12 to 16 feet are expected along north shores and 8 to 12 feet along west shores, accompanied by strong currents. This will make swimming and surfing in the advisory areas dangerous.

The public should heed all advice from ocean safety officials — when in doubt, don’t go out.

Original post from 9:45 a.m. April 17: Rain has picked up over portions of Kaua‘i, and a new flood advisory is now in effect till noon.

At 8:59 a.m., radar indicated heavy rain over the windward side of the island. Rain was falling at a rate of 1 to 2 inches per hour, according to the National Weather Service in Honolulu.

locations that will experience flooding include Līhu‘e, Kapa‘a, Princeville, Kīlauea, Wailua Homesteads, North Fork Wailua Trails, Wailua, Anahola, Moloa‘a, Hanalei, Omao, Lawai, Wailua River State Park, Hanamaulu, Kealia, Puhi and Kalihiwai.

Minor flooding is expected on roads, poor drainage areas, and in streams. Ponding of water in urban or other areas is occurring or is imminent.

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

This advisory may need to be extended beyond noon if flooding persists.