Tropical Cyclone Mindy was the thirteenth named storm of the 2021 Atlantic Hurricane Season. On 1 and 2 September it was in its early stage as a tropical disturbance while it passed over northeast Nicaragua. In the following days, the disturbance left Central America and crossed the Gulf of Mexico. On 8 September, it developed as a tropical storm while it was over the northeast Gulf of Mexico, west of Florida.

A magnitude 5.0 earthquake occurred at 00:43:19 UTC on 10 September 2021, 53.7 km (33.4 mi) NE of Anse-Bertrand, Guadeloupe; 69.7 km (43.3 mi) NNE of Sainte-Anne, Guadeloupe and 71.5 km (44.4 mi) ESE of Falmouth, on the island of Antigua in Antigua and Barbuda. Initial estimates from the United States Geological Survey (USGS) located the epicentre of the event at 16.811°N, 61.149°W, and at a depth of 45.1 km

Tropical Cyclone Ida was the ninth named storm of the 2021 Atlantic Hurricane Season. On 26 August it developed as a tropical storm while it was over the central Caribbean Sea, east of Jamaica. On 27 August, Tropical Storm Ida moved through the Cayman Islands, passing approximately 30 mi (50 km) from Grand Cayman. Tropical-storm-force winds occurred across this country. In the following days, Ida rapidly strengthened while traversing the Gulf of Mexico, becoming a major hurricane.

Jamaica was affected by a tropical wave and Tropical Cyclone Ida resulting in adverse weather conditions that occurred in the period between 26 August and 28 August, 2021. During this period, Jamaica was affected by moderate to heavy rainfall.
This event briefing describes the impact of rainfall on Jamaica, which was associated with a Covered Area Rainfall Event (CARE), starting on 26 August and ending on 29 August, 2021.

Jamaica was affected by Tropical Cyclone Grace, which caused adverse weather conditions that occurred between 17 August and 18 August, 2021. During this period, Jamaica was affected by heavy rainfall.
This event briefing describes the impact of rainfall on Jamaica, which was associated with a Covered Area Rainfall Event (CARE), starting on 17 August and ending on 19 August 2021.

A magnitude 7.2 earthquake occurred at 12:29:08 (UTC) on 14 August 2021, 6.4 km (3.9 mi) ENE of L’Asile, Haiti; 12.3 km (7.7 mi) SSW of Saint-Louis-du-Sud, Haiti and 11.9 km (7.4 mi) SE of Aquin, Haiti. Initial estimates from the United States Geological Survey (USGS) located the epicentre of the event at 18.352°N, 73.480°W, and at a depth of 10.0 km

Tropical Cyclone Ida was the ninth named storm of the 2021 Atlantic Hurricane Season. On 26 August it developed as a tropical storm while it was over the central Caribbean Sea, east of Jamaica. On 27 August, Tropical Storm Ida moved through the Cayman Islands, passing approximately 30 mi (50km) from Grand Cayman. Tropical-storm-force winds occurred across this country. In the following days, Ida rapidly strengthened while traversing the Gulf of Mexico, becoming a major hurricane.

Tropical Cyclone (TC) Grace was the seventh tropical cyclone in the 2021 Atlantic Hurricane Season. Reported on 13 August as Potential Tropical Cyclone Seven, it was soon upgraded to Tropical Depression Seven and consequently, to Tropical Storm Grace, which was first identified as a small tropical storm. On 14 August at 1500 UTC, it became stronger and resulted in stormy weather with heavy rainfall across the Lesser Antilles. On 15 August the NHC reported that Tropical Storm Grace became a tropical depression again.

On 15 August the NHC reported that Tropical Storm Grace became a tropical depression again. On 16 August, at 1200 UTC the Government of Jamaica issued a Tropical Storm Watch for Jamaica and at 1500 UTC the same day the Government of the Cayman Islands issued a Tropical Storm Warning for the Cayman Islands. Over 17 and 18 August, Tropical Depression Grace gradually strengthened becoming a tropical storm again as it approached Jamaica and the Cayman Islands, which resulted in heavy rains and gusty winds in both countries.

Trinidad was under the influence of two tropical waves and the presence of the Inter Tropical Convergence Zone resulting in adverse weather conditions that occurred primarily between August 17 and August 20, 2021. During this period, Trinidad was affected by periods of intense rainfall and thunderstorm activity.