Grand Isle vs Portland, ME

Portland currently scores 13 points higher overall than Grand Isle, with the largest gap in storm surge.

Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.

Grand Isle

20/100

Portland

33/100

Hazard breakdown

Overall

Grand Isle: 20/100 · Portland: 33/100

Portland is 13 points higher.

Flood

Grand Isle: 0/100 · Portland: 39/100

Portland is 39 points higher.

Wind

Grand Isle: 10/100 · Portland: 20/100

Portland is 10 points higher.

Lightning

Grand Isle: 8/100 · Portland: 4/100

Grand Isle is 4 points higher.

Tornado

Grand Isle: 0/100 · Portland: 0/100

No gap.

Hail

Grand Isle: 4/100 · Portland: 31/100

Portland is 27 points higher.

Storm surge

Grand Isle: 0/100 · Portland: 99/100

Portland is 99 points higher.

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