Hawaii Faces Catastrophic Flooding as Heavy Rains Hit Oahu

Sat Mar 21 2026 13:25:49 GMT+0000 (Coordinated Universal Time)

Severe flooding has struck Hawaii, marking the worst natural disaster in over two decades, leading officials to issue evacuation orders and highlight the risk of dam failures.

Hawaii is grappling with its worst flooding in twenty years, prompting evacuations across Oahu's North Shore where over 5,500 residents are affected. Heavy rains, following a winter storm, have caused severe damage, with costs expected to exceed $1 billion. The state is closely monitoring the aging Wahiawa dam, warning of its potential failure amid ongoing weather threats.

HONOLULU (AP) — Hawaii is experiencing devastating flooding, its worst in over 20 years, as heavy rains inundate areas already saturated from a winter storm. With forecasts indicating additional rainfall, officials are urging residents to remain vigilant.

The floodwaters have severely impacted Oahu’s North Shore, renowned for its surfing culture, prompting authorities to issue evacuation orders for approximately 5,500 residents in the region. Governor Josh Green warned that damages could top $1 billion, affecting airport facilities, homes, roads, and the local health infrastructure.

“This situation will have significant consequences for the state,” Green emphasized during a recent press briefing.

The National Weather Service has issued a flood watch across the state, specifically highlighting Haleiwa and Waialua, which are under urgent warnings as flood dangers continue to rise.

Despite the alarming conditions, there have been no reported fatalities, although several individuals suffered from hypothermia. Emergency responders managed to airlift 72 individuals attending a spring break camp to safety, as floodwaters continue to threaten vulnerable areas.

The unprecedented rainfall has resulted in substantial property damage, and while emergency crews are assessing the full extent, officials have described the situation as catastrophic. Some regions experienced up to 12 inches of rain overnight, with even greater totals reported at the highest elevations.

Throughout the crisis, the aging Wahiawa dam remains a critical concern for officials. The dam, which has a troubled history regarding its maintenance and safety, was reported to be just shy of its capacity, creating fears of potential failure if rainfall persists.

The state has a comprehensive plan in place to address the situation, including federal assistance, with Governor Green indicating ongoing communication with the White House to secure additional support.

This flood event is yet another reminder of Hawaii's vulnerability to extreme weather conditions, exacerbated by climate change, as the region sees an uptick in both the intensity and frequency of heavy rainfall events.