Natural Disaster Risk in Mackinac Island
Michigan
Risk Summary for Mackinac Island
Mackinac Island scores 3.8/10 (Low risk), below the U.S. average of 4.5. The leading hazard is Coastal Flooding.
Top Hazards
All 18 Hazard Scores
How it compares
Live Conditions
🏠 What this means for insurance
Below-average risk — standard coverage likely adequate
Natural disaster risk here is below the US average. Standard homeowners insurance will typically be sufficient, but it is still worth reviewing exclusions for floods and earthquakes.
This is general information only. Consult a licensed insurance professional for advice specific to your property.
Natural Hazard Profile: Mackinac Island, Michigan
Mackinac Island, in Mackinac County, is a small community of about 561 situated in the Great Lakes region. Its humid continental climate brings severe winters amplified by lake-effect snow and warm, humid summers, and in particular intense lake-effect snowstorms off Lake Michigan and Lake Erie. These conditions collectively define the natural hazard environment that Mackinac Island residents and property owners must navigate.
Mackinac Island's overall natural disaster risk is rated 3.8/10 (Low) by FEMA's National Risk Index. The risk of coastal inundation tops the local hazard profile, with the area exposed to storm surge, tidal flooding, and wave action during major coastal storm events. Secondary hazards include landslide and tsunami.
Within Michigan, Mackinac Island's risk is, slightly below the 5.3/10 state average. Nationally, it ranks below the U.S. national average of 4.5/10. FEMA's analysis of Mackinac County identifies coastal flood as the foremost hazard, followed by landslide and tsunami. These rankings reflect the relative frequency and severity of each hazard type in the local environment.
Mackinac Island carries a below-average natural disaster risk, reflecting fewer and less severe hazard exposures than typical U.S. communities. Even so, the area's primary risk — coastal flood — warrants awareness and appropriate insurance coverage, as lower risk does not mean zero risk.
What this means for Mackinac Island: Coastal Flooding preparedness
- Elevate utilities and consider flood-resistant construction in low-lying shoreline areas.
- Coastal flood and storm-surge damage requires separate flood insurance, not standard homeowners coverage.
- Know your evacuation zone and monitor tidal and surge forecasts during coastal storms.
Local Factors for Mackinac Island
These city-level factors differentiate Mackinac Island from other communities in Mackinac County and provide geographic context for its hazard exposure.
Population
561
RuralGeographic Zone
Great Lakes
Lake-effect snow & wind risk
Climate Band
Cool Continental
Latitude 45.9°
Flood Terrain
Minimal — county topography limits flood risk
Flood score: 1.0/10
Wildfire Exposure
Moderate — seasonal fire risk
Fire score: 5.4/10
Coordinates
45.8593° N, 84.6253° W
Mackinac County
Population and coordinates from SimpleMaps US Cities data. Hazard scores from FEMA National Risk Index. Geographic classification derived from coordinates.
Recent Climate Data for Mackinac Island
Last 12 months · Source: Open-Meteo archive
Notable Weather Days (last 12 months)
ZIP Codes in Mackinac Island
Other cities in Michigan
Data source: FEMA National Risk Index (NRI). Scores normalized to 1–10 across all US counties. City scores inherit county-level FEMA data. For informational purposes only.