City vs city
Hilton Head Island vs Port Royal, SC
Hilton Head Island currently scores 2 points higher overall than Port Royal, with the largest gap in flood.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Overall
Hilton Head Island: 46/100 · Port Royal: 44/100
Hilton Head Island is 2 points higher.
Flood
Hilton Head Island: 67/100 · Port Royal: 92/100
Port Royal is 25 points higher.
Wind
Hilton Head Island: 47/100 · Port Royal: 45/100
Hilton Head Island is 2 points higher.
Lightning
Hilton Head Island: 54/100 · Port Royal: 61/100
Port Royal is 7 points higher.
Tornado
Hilton Head Island: 20/100 · Port Royal: 4/100
Hilton Head Island is 16 points higher.
Hail
Hilton Head Island: 20/100 · Port Royal: 22/100
Port Royal is 2 points higher.
Storm surge
Hilton Head Island: 99/100 · Port Royal: 99/100
No gap.