The National Weather Service has a flash flood warning for Maui through 3 p.m. HST; West Maui saw heavy downpours and Lahaina reported flooding and a road closure.

A Flood Advisory for Oʻahu runs through 8:45 a.m. HST on Sunday as heavy showers sweep the southeast half of the island. Officials warn of rapid runoff and ponding on low roads.

A flood advisory for Molokaʻi runs through 7:00 a.m. HST Saturday as heavy rain raises streams and threatens low‑water crossings. Officials urge caution on low‑lying roads.

A Flood Advisory covered Maui into Friday evening as heavy rain produced minor flooding on roads and in low-lying areas.

HNL Alert: Flood Advisory issued for Oʻahu on March 20 warned of minor flooding on some roads and streams. Officials urged motorists to avoid flooded areas.

HNL Alert warns of dangerous flash flooding across Oʻahu; officials urge residents to move to higher ground and avoid flooded roads. Monitor official updates.

Hawaii officials say there is no tsunami threat after a magnitude‑7.0 quake near the South Shetland Islands. State and federal agencies say they are monitoring conditions.

Hawaiʻi DOH warns people to avoid waters near 2527 Kalihi Street after a wastewater discharge advisory affecting a park, pool and Sanford B. Dole Middle School.

State health officials warned swimmers to avoid Kailua's waters after heavy rains turned the bay brown. Testing and sampling are underway.

The Navy began ventilating Tank 12 at the Red Hill fuel complex on March 18, 2026; officials say nine air monitors and DOH trigger levels will guide operations. EPA signed off on a 2026 engagement plan that maps public meetings and data access.

Joint Base Pearl Harbor‑Hickam says heavy rain forced a sand‑filter bypass that sent more than five million gallons of UV‑treated effluent into Mamala Bay. Officials say the water was disinfected and discharged offshore to a deep diffuser.

Kaua‘i County republished HI‑EMA photos and a NOAA geocolor image and listed NOAA Weather Radio channels.

Hele's Renton Road station in Ewa sold water‑contaminated 87‑octane gas during a three‑hour window; Par Pacific says 26 vehicles were affected and is assisting customers.