Natural Disaster Risk in Cohasset

Natural Hazard Profile: Cohasset, Massachusetts

Located along the northeastern Atlantic Seaboard in Norfolk County, Cohasset is a town of roughly 8,427 residents. The humid continental climate that characterizes this part of Massachusetts — marked by cold winters with heavy snowfall and warm summers — directly influences the types and severity of natural hazards present, making Cohasset a community where hazard awareness has real practical value.

Cohasset's overall natural disaster risk is rated 7.0/10 (High) by FEMA's National Risk Index. Coastal flood risk defines the local natural hazard environment, with sea-level rise trends gradually increasing the frequency of tidal flooding events alongside storm surge threats. Secondary hazards include hurricane and earthquake.

Relative to other U.S. communities, Cohasset's natural disaster risk is well above the U.S. national average of 4.5/10, slightly above the 6.5/10 state average. The hazard distribution here is led by coastal flood and hurricane, as measured by FEMA across Norfolk County. While city-specific sub-county variation exists, these scores represent the best available federal risk estimate.

Cohasset's high risk designation reflects meaningful exposure to natural hazards. Residents should verify that their insurance covers the area's primary risks, prepare a family emergency plan, and stay informed about seasonal hazard peaks through local weather and emergency management services.