Low Risk Wisconsin  ·  Tornado / Flash Flooding

Ozaukee County WI

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

5/ 10
Threat Score
Population
88
Area
235
sq miles
Primary Hazard
Tornado / Flash Flooding
FEMA Disasters
6
federally declared

Ozaukee County WI in Wisconsin faces tornado / flash flooding risk across its 235 square mile area. Port Washington on Lake Michigan serves this Milwaukee north suburb county. Ozaukee 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 5 / 10    Low Risk
Primary Hazard Tornado / Flash Flooding
Secondary Hazard Winter Storm
FEMA Flood Zone Low
Federally Declared Disasters 6
Last Major Event 2017 Lake Michigan Storm
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (262) 238-8200
Emergency Shelters 2 designated facilities
Evacuation Routes State and US highways

// County Profile

County Ozaukee County WI
State Wisconsin (WI)
Population 88
Area 235 sq miles
FEMA Region Low

// Other Wisconsin Counties