Moderate Risk Hawaii  ·  Flash Flooding / Hurricane

Kauai County HI

EMERGENCY PREPAREDNESS & DISASTER RISK PROFILE  ·  LAST UPDATED: Mar 2026

7/ 10
Threat Score
Population
73
Area
620
sq miles
Primary Hazard
Flash Flooding / Hurricane
FEMA Disasters
8
federally declared

Kauai County HI in Hawaii faces flash flooding / hurricane risk across its 620 square mile area. Lihue on Kauai was struck by catastrophic 2018 flooding that stranded residents for weeks. Kauai serves as the county seat and regional emergency coordination hub.

// Preparedness Recommendations

  • Evacuation routes inland should be identified in advance.
  • Store at least 72 hours of food and water.
  • Elevate critical belongings above flood level.
  • Have backup power ready in case of grid failure.

// Recommended Supplies

Essential gear for power outages, severe weather, and emergency situations in your area.

// Risk Intelligence

Threat Score 7 / 10    Moderate Risk
Primary Hazard Flash Flooding / Hurricane
Secondary Hazard Tsunami
FEMA Flood Zone Moderate
Federally Declared Disasters 8
Last Major Event 2018 Catastrophic Flooding
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (808) 241-4100
Emergency Shelters 3 designated facilities
Evacuation Routes State and US highways

// County Profile

County Kauai County HI
State Hawaii (HI)
Population 73
Area 620 sq miles
FEMA Region Moderate

// Other Hawaii Counties