All seasons · Atlantic
2021 Atlantic hurricane season
The 2021 Atlantic season has 21 storms in the best-track record; 21 reached tropical-storm strength and 7 became hurricanes, 4 of them major. Its accumulated cyclone energy of 143.0 is the 29th-highest of the 175 seasons in the Atlantic record since 1851. For storms of tropical-storm strength it is the third-busiest season. Sam was the strongest, peaking at 155 mph as a Category 4 hurricane. Landfall records exist for 10 of its storms, in Cuba, the Dominican Republic, Florida, Jamaica, Louisiana, New York, Newfoundland and Labrador, Quintana Roo, Rhode Island, South Carolina, Texas and Veracruz. The first record is dated May 22, the last November 7.
Storm by storm
More storms formed in September than in any other month of 2021: 8 of 21. Sam both lasted longest, 12.2 days as a tropical or subtropical system, and contributed the most energy, 38% of the season's ACE. Strongest landfall of each storm: Claudette reached Louisiana as a tropical storm on June 19; Danny reached South Carolina as a tropical storm on June 28; Elsa reached Florida as a tropical storm on July 7; Fred reached Florida as a tropical storm on August 16; Grace reached Veracruz as a Category 3 hurricane on August 21; Henri reached Rhode Island as a tropical storm on August 22; Ida reached Louisiana as a Category 4 hurricane on August 29; Larry reached Newfoundland and Labrador as a Category 1 hurricane on September 11; and others in the table below.
| Storm | Dates | Peak | Strength | Lowest | Landfalls |
|---|---|---|---|---|---|
| Ana | May 22–23 | 45 mph | Tropical storm | 1004 mb | – |
| Bill | Jun 14–15 | 65 mph | Tropical storm | 992 mb | – |
| Claudette | Jun 19–22 | 45 mph | Tropical storm | 1003 mb | Louisiana |
| Danny | Jun 27–29 | 45 mph | Tropical storm | 1009 mb | South Carolina |
| Elsa | Jun 30 – Jul 9 | 85 mph | Category 1 | 991 mb | Cuba, Florida, New York, Rhode Island |
| Fred | Aug 11–17 | 65 mph | Tropical storm | 991 mb | Dominican Republic, Florida |
| Grace | Aug 13–21 | 120 mph | Category 3 | 967 mb | Dominican Republic, Jamaica, Quintana Roo, Veracruz |
| Henri | Aug 15–23 | 75 mph | Category 1 | 986 mb | Rhode Island |
| Ida | Aug 26 – Sep 1 | 150 mph | Category 4 | 929 mb | Cuba, Louisiana |
| Kate | Aug 28 – Sep 1 | 45 mph | Tropical storm | 1004 mb | – |
| Julian | Aug 28–30 | 60 mph | Tropical storm | 993 mb | – |
| Larry | Aug 31 – Sep 11 | 125 mph | Category 3 | 953 mb | Newfoundland and Labrador |
| Mindy | Sep 8–9 | 60 mph | Tropical storm | 1000 mb | Florida |
| Nicholas | Sep 12–15 | 75 mph | Category 1 | 988 mb | Texas |
| Odette | Sep 17–18 | 45 mph | Tropical storm | 1005 mb | – |
| Peter | Sep 19–22 | 50 mph | Tropical storm | 1005 mb | – |
| Rose | Sep 19–22 | 60 mph | Tropical storm | 1004 mb | – |
| Sam | Sep 22 – Oct 5 | 155 mph | Category 4 | 927 mb | – |
| Teresa | Sep 24–25 | 45 mph | Tropical storm | 1008 mb | – |
| Victor | Sep 29 – Oct 4 | 65 mph | Tropical storm | 997 mb | – |
| Wanda | Oct 30 – Nov 7 | 60 mph | Tropical storm | 983 mb | – |
Against other Atlantic seasons
Accumulated cyclone energy of every season; the red bar is 2021.