Hurricane Irma
Aug 30, 2017 to Sep 13, 2017Peak 178 mph914 mb
Hurricane Irma passed within 50 miles of 75 counties in 2 states. It was strongest near Monroe County, FL, as a Category 4 on September 10, 2017.
- Major hurricane
- Hurricane
- Tropical storm
- Post-tropical
Hurricane Irma · 2017
How it happened
Follow the storm’s path, strength and milestones.
From space
Hurricane Irma on September 9, 2017, about 18 hours before landfall in Monroe County, FL.
The storm
- Peak strength
- Category 5
- 178 mph, 155 kt
- Lowest pressure
- 914 mb
- Over the whole track
- Counties within 50 miles
- 75
- FL, GA
- Counties within 100 miles
- 116
- AL, FL, GA
- Landfalls recorded
- 7
- Anywhere on the track
Every county it passed
Closest approach to each county boundary, with the storm’s strength at that moment.
| Hillsborough County | FL | 0.0 | Category 1 |
| Gilchrist County | FL | 0.0 | Tropical storm |
| Marion County | FL | 0.0 | Tropical storm |
| Suwannee County | FL | 0.0 | Tropical storm |
| Lowndes County | GA | 0.0 | Tropical storm |
| Brooks County | GA | 0.0 | Tropical storm |
| Lee County | FL | 0.0 | Category 2 |
| Levy County | FL | 0.0 | Tropical storm |
| Collier County | FL | 0.0 | Category 3 |
| Citrus County | FL | 0.0 | Tropical storm |
| Pasco County | FL | 0.0 | Category 1 |
| Monroe County | FL | 0.0 | Category 4 |
| Polk County | FL | 0.0 | Category 1 |
| Madison County | FL | 0.0 | Tropical storm |
| Charlotte County | FL | 0.0 | Category 1 |
| DeSoto County | FL | 0.0 | Category 1 |
| Terrell County | GA | 0.0 | Tropical storm |
| Lee County | GA | 0.0 | Tropical storm |
| Colquitt County | GA | 0.0 | Tropical storm |
| Hardee County | FL | 0.0 | Category 1 |
| Worth County | GA | 0.0 | Tropical storm |
| Dougherty County | GA | 0.0 | Tropical storm |
| Hamilton County | FL | 0.8 | Tropical storm |
| Hernando County | FL | 1.8 | Tropical storm |
| Lafayette County | FL | 2.7 | Tropical storm |
| Sumter County | GA | 3.8 | Tropical storm |
| Mitchell County | GA | 4.1 | Tropical storm |
| Dixie County | FL | 4.3 | Tropical storm |
| Cook County | GA | 4.4 | Tropical storm |
| Alachua County | FL | 5.2 | Tropical storm |
| Thomas County | GA | 5.5 | Tropical storm |
| Sumter County | FL | 5.7 | Tropical storm |
| Manatee County | FL | 6.1 | Category 1 |
| Columbia County | FL | 6.6 | Tropical storm |
| Glades County | FL | 8.5 | Category 1 |
| Hendry County | FL | 8.5 | Category 1 |
| Baker County | GA | 9.1 | Tropical storm |
| Tift County | GA | 10.9 | Tropical storm |
| Echols County | GA | 12.3 | Tropical storm |
| Sarasota County | FL | 12.4 | Category 1 |
| Highlands County | FL | 13.6 | Category 1 |
| Calhoun County | GA | 14.1 | Tropical storm |
| Jefferson County | FL | 14.7 | Tropical storm |
| Berrien County | GA | 15.0 | Tropical storm |
| Taylor County | FL | 16.0 | Tropical storm |
| Lake County | FL | 17.8 | Category 1 |
| Turner County | GA | 17.9 | Tropical storm |
| Lanier County | GA | 19.3 | Tropical storm |
| Union County | FL | 19.6 | Tropical storm |
| Crisp County | GA | 19.9 | Tropical storm |
| Grady County | GA | 21.6 | Tropical storm |
| Bradford County | FL | 25.9 | Tropical storm |
| Dooly County | GA | 26.6 | Tropical storm |
| Clinch County | GA | 26.8 | Tropical storm |
| Pinellas County | FL | 27.5 | Category 1 |
| Irwin County | GA | 29.0 | Tropical storm |
| Early County | GA | 30.8 | Tropical storm |
| Baker County | FL | 31.2 | Tropical storm |
| Atkinson County | GA | 33.2 | Tropical storm |
| Osceola County | FL | 33.3 | Category 1 |
| Miller County | GA | 33.5 | Tropical storm |
| Decatur County | GA | 33.6 | Tropical storm |
| Leon County | FL | 34.0 | Tropical storm |
| Putnam County | FL | 34.5 | Tropical storm |
| Orange County | FL | 34.6 | Category 1 |
| Wilcox County | GA | 35.1 | Tropical storm |
| Ben Hill County | GA | 38.3 | Tropical storm |
| Coffee County | GA | 38.8 | Tropical storm |
| Clay County | FL | 39.9 | Tropical storm |
| Houston County | GA | 42.1 | Tropical storm |
| Okeechobee County | FL | 43.4 | Category 1 |
| Gadsden County | FL | 45.8 | Tropical storm |
| Miami-Dade County | FL | 45.9 | Category 3 |
| Pulaski County | GA | 46.1 | Tropical storm |
| Ware County | GA | 46.6 | Tropical storm |
| Seminole County | GA | 50.7 | Tropical storm |
| Wakulla County | FL | 50.8 | Tropical storm |
| Broward County | FL | 50.9 | Category 2 |
| Palm Beach County | FL | 50.9 | Category 2 |
| Martin County | FL | 51.4 | Category 1 |
| Charlton County | GA | 52.0 | Tropical storm |
| Seminole County | FL | 52.1 | Tropical storm |
| Volusia County | FL | 53.1 | Tropical storm |
| Duval County | FL | 53.4 | Tropical storm |
| Dodge County | GA | 55.5 | Tropical storm |
| Telfair County | GA | 55.5 | Tropical storm |
| Nassau County | FL | 56.5 | Tropical storm |
| Houston County | AL | 57.4 | Tropical storm |
| Bleckley County | GA | 63.4 | Tropical storm |
| Jeff Davis County | GA | 63.8 | Tropical storm |
| Twiggs County | GA | 65.1 | Tropical storm |
| Flagler County | FL | 66.0 | Tropical storm |
| Jackson County | FL | 66.1 | Tropical storm |
| Indian River County | FL | 66.2 | Category 1 |
| Bacon County | GA | 66.3 | Tropical storm |
| St. Johns County | FL | 67.6 | Tropical storm |
| St. Lucie County | FL | 68.9 | Category 1 |
| Brevard County | FL | 69.8 | Category 1 |
| Pierce County | GA | 71.3 | Tropical storm |
| Brantley County | GA | 73.2 | Tropical storm |
| Franklin County | FL | 75.2 | Tropical storm |
| Liberty County | FL | 75.5 | Tropical storm |
| Laurens County | GA | 76.4 | Tropical storm |
| Wheeler County | GA | 77.7 | Tropical storm |
| Appling County | GA | 79.6 | Tropical storm |
| Calhoun County | FL | 79.9 | Tropical storm |
| Camden County | GA | 81.6 | Tropical storm |
| Wilkinson County | GA | 83.3 | Tropical storm |
| Montgomery County | GA | 89.3 | Tropical storm |
| Holmes County | FL | 89.5 | Tropical storm |
| Wayne County | GA | 89.9 | Tropical storm |
| Toombs County | GA | 92.7 | Tropical storm |
| Baldwin County | GA | 93.4 | Tropical storm |
| Treutlen County | GA | 95.3 | Tropical storm |
| Washington County | FL | 95.5 | Tropical storm |
| Glynn County | GA | 98.9 | Tropical storm |
Distances are measured from hourly positions interpolated between the National Hurricane Center’s six-hourly fixes to each county boundary. Strength is shown only where the storm was still tropical. Methodology.
National Hurricane Center HURDAT2. Storm totals cover the Atlantic and Northeast and Central Pacific basins.