City vs city
Bluffton vs Hilton Head Island, SC
Hilton Head Island currently scores 5 points higher overall than Bluffton, with the largest gap in wildfire.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Scores describe each city’s reference grid tile, not every property. A missing model is unavailable, not zero risk. Air quality uses an ingested EPA AirNow snapshot and may not reflect current conditions; other factors describe baseline exposure. The overall score blends different hazards and is not a probability of damage. Read the scoring methodology and sources.
Overall
Bluffton: 48/100 · Hilton Head Island: 53/100
Hilton Head Island is 5 points higher.
Flood
Bluffton: 34/100 · Hilton Head Island: 77/100
Hilton Head Island is 43 points higher.
Bluffton: FEMA NFHL flood zones: 13 features intersect this tile.
Hilton Head Island: FEMA NFHL flood zones: 19 features intersect this tile.
Wind
Bluffton: 43/100 · Hilton Head Island: 46/100
Hilton Head Island is 3 points higher.
Bluffton: Wind exposure derived from ingested design wind / climatology tiles.
Hilton Head Island: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Bluffton: 63/100 · Hilton Head Island: 58/100
Bluffton is 5 points higher.
Bluffton: Lightning exposure derived from ingested climatology tiles.
Hilton Head Island: Lightning exposure derived from ingested climatology tiles.
Tornado
Bluffton: 23/100 · Hilton Head Island: 31/100
Hilton Head Island is 8 points higher.
Bluffton: Tornado risk derived from NOAA SPC historical reports.
Hilton Head Island: Tornado risk derived from NOAA SPC historical reports.
Hail
Bluffton: 62/100 · Hilton Head Island: 87/100
Hilton Head Island is 25 points higher.
Bluffton: Hail risk derived from NOAA SPC historical reports.
Hilton Head Island: Hail risk derived from NOAA SPC historical reports.
Storm surge
Bluffton: 91/100 · Hilton Head Island: 99/100
Hilton Head Island is 8 points higher.
Bluffton: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Hilton Head Island: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Bluffton: 50/100 · Hilton Head Island: 5/100
Bluffton is 45 points higher.
Bluffton: Wildfire exposure derived from ingested fire potential tiles.
Hilton Head Island: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Bluffton: 21/100 · Hilton Head Island: 21/100
No gap.
Bluffton: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Hilton Head Island: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.