Port Royal, SC
Local storm history & FEMA National Risk Index data
Port Royal is rated Relatively High for overall natural hazard risk — higher risk than most US counties — based on FEMA's National Risk Index for Beaufort County, SC. The county's highest-rated hazards are hurricane, lightning, and coastal flooding.
Storm events near Port Royal
NOAA-recorded tornado, hail, and flood events within 25 miles of Port Royal's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Port Royal itself, not the whole county.
County-wide hazard risk
Every other hazard FEMA and NOAA track — including drought — is only scored at the county level. These are Beaufort County's FEMA National Risk Index scores, covering Port Royal along with the rest of the county, not a Port Royal-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 90.3 | Relatively Moderate |
| Inland Flooding | 80.8 | Relatively Moderate |
| Coastal Flooding | 94.2 | Relatively High |
| Earthquake | 93.6 | Relatively Moderate |
| Heat Wave | 87.9 | Relatively Moderate |
| Tornado | 82 | Relatively Moderate |
| Avalanche | — | Not Applicable |
| Cold Wave | 73.5 | Relatively Moderate |
| Drought | 43.4 | Relatively Low |
| Hail | 68.6 | Relatively Low |
| Hurricane | 99.5 | Very High |
| Ice Storm | 88 | Relatively High |
| Landslide | 25.9 | Very Low |
| Lightning | 96.2 | Relatively High |
| Strong Wind | 86.3 | Relatively High |
| Tsunami | — | Insufficient Data |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 69.9 | Relatively Moderate |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Beaufort County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Beaufort County:
More on Beaufort County:
Frequently asked questions
What natural hazards is Port Royal, SC at risk of?
Port Royal is rated Relatively High for overall natural hazard risk by FEMA's National Risk Index — higher risk than most US counties. The highest-rated hazards for Beaufort County, where Port Royal is located, are hurricane, lightning, and coastal flooding.
What is Port Royal's biggest natural hazard risk?
Hurricane is the highest-rated hazard for Beaufort County, where Port Royal is located, scoring 99.5 out of 100 on FEMA's National Risk Index (rated "Very High").
Is Port Royal a high-risk area for natural disasters?
Yes — Port Royal carries higher risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively High" for Beaufort County.
Has Port Royal had tornadoes, hail, or flooding?
NOAA has recorded 12 tornado, 27 hail, 35 inland flooding events within 25 miles of Port Royal since 2016.