The Garden Isle is getting a serious soaking. The National Weather Service has a Flood Advisory in place for Kauaʻi through 2:30 p.m. HST Thursday, warning that bands of heavy tropical rain could lead to ponding on roads, rising streams and unsafe runoff in low‑lying neighborhoods. County crews and health teams are out watching lowland waterways and coastal water quality as the storm system moves over the island.
the @nwshonolulu has issued a flood advisory for kauaʻi until 2:30 pm hst
— Hawaii EMA (@Hawaii_EMA) March 12, 2026
What the advisory says
Hawaiʻi Emergency Management Agency pushed the alert out on X, sharing the National Weather Service advisory for Kauaʻi. According to the National Weather Service in Honolulu, the advisory was issued as persistent rain bands swept across the island, with the potential for localized flooding in low‑lying spots and areas with urban drainage. Forecast products caution that the advisory could be extended or even upgraded if heavier downpours keep developing.
Local impacts and related alerts
The Hawaiʻi Department of Health issued a brown‑water advisory earlier in the week after runoff left nearshore waters murky, as reported by Kauai Now. County officials also temporarily closed select state parks and paused the Kalalau shuttle as the kona low approached, per earlier Hoodline reporting on closed state parks. Beachgoers and hikers should be ready for posted restrictions and conditions that can shift quickly near streams and river mouths along the coast.
Safety and where to get updates
Emergency managers are reminding residents and visitors not to drive through standing water and to avoid storm runoff, which can carry debris and bacteria. Hawaiʻi Emergency Management Agency notes that its social media accounts are not monitored around the clock and that anyone facing a life‑threatening emergency should call 9‑1‑1. Guidance and preparedness information are available on the Hawaiʻi Emergency Management Agency website.
For the latest on the rain, advisories and any changes to forecast products, check the National Weather Service Honolulu page along with county alert feeds.
