Tropical Storm Fred was the sixth tropical cyclone in the 2021 Atlantic Hurricane Season. This tropical disturbance was reported by National Hurricane Center on 9 August and was named Potential Tropical Cyclone Six, strengthening while approaching the Leeward Islands. On 10 August, a Tropical Storm Watch was issued for northern Haiti. On 11 August Potential Tropical Cyclone Six was upgraded to Tropical Storm Fred while passing over the Dominican Republic.

A magnitude 7.2 earthquake occurred at 12:29:08 (UTC) on 14 August 2021, 13.5 km (8.4 mi) SSE of Petit Trou de Nippes, Haiti; 37.3 km (23.2 mi) NE of Les Cayes, Haiti and 40.9 km (25.4 mi) W of Miragoâne, Haiti. Estimates from the United States Geological Survey (USGS) located the epicentre of the event at 18.408°N, 73.480°W, and at a depth of 10.0 km.

On 15 August at 0300 UTC, a Tropical Storm Watch was issued for the entire coast of Haiti. Later that day, the US National Hurricane Center (NHC) reported that Tropical Storm Grace became a tropical depression again. On 16 August, with the centre located about 80 km (49.7 mi) south of Port-au-Prince, Haiti, this tropical depression brought heavy rainfall over the southern parts of Haiti, which continued to persist during the next day, when the Tropical Storm Watch for Haiti was discontinued.

On 14 August at 0900 UTC, the NHC reported that Tropical Depression Seven was upgraded to Tropical Storm Grace, at first characterized as a small tropical storm. At 1500 UTC it became stronger and produced tropical-storm-force winds which extended outward up to 35 miles (55 km) from the centre. This configuration resulted in stormy weather with heavy rainfall which spread across the Lesser Antilles, affecting Saint Kitts and Nevis and Montserrat.

Panama was under the influence of a monsoon trough and several tropical waves resulting in adverse weather conditions that occurred primarily between July 23 and July 26, 2021. During this period, Panama was affected by moderate to strong periods of rainfall over a large area of the country.

A magnitude 5.2 earthquake occurred at 01:28:26 (UTC) on 22 July 2021, 65.9 km (40.9 mi) SW of San Rafael del Sur, Nicaragua; 84.6 km (52.6 mi) WSW of Diriamba, Nicaragua and 88.0 km (54.7 mi) WSW of Jinotepe, Nicaragua. Estimates from the United States Geological Survey (USGS) located the epicentre of the event at 11.486°N, 86.916°W, and at a depth of35.0 km.

A magnitude 5.3 earthquake occurred at 01:28:26 (UTC) on 22 July 2021, 65.9 km (40.9 mi) SW of San Rafael del Sur, Nicaragua; 84.6 km (52.6 mi) WSW of Diriamba, Nicaragua and 88.0 km (54.7 mi) WSW of Jinotepe, Nicaragua. Initial estimates from the United States Geological Survey (USGS) located the epicentre of the event at 11.482°N, 86.915°W, and at a depth of 35.0 km

A magnitude 5.2 earthquake occurred at 23:26:35 (UTC) on 12 July 2021, 15.5 km (9.7 mi) SSE of Pochomil, Nicaragua; 22.3 km (13.9 mi) S of San Rafael del Sur, Nicaragua and 32.6 km (20.2 mi) SW of Diriamba, Nicaragua. Estimates from the United States Geological Survey (USGS) located the epicentre of the event at 11.639°N, 86.449°W, and at a depth of 92.5 km.

Hurricane Elsa was the fifth tropical cyclone in the 2021 Atlantic Hurricane Season. On 30 June it developed as Potential Tropical Cyclone Five and on the following day it was upgraded to Tropical Storm Elsa. On July 2 at 1145 UTC Tropical Storm Elsa intensified and became Hurricane Elsa, passing near Barbados, Saint Vincent and the Grenadines and Saint Lucia, spreading hurricane-force winds and tropical-storm-force winds over these countries.

Tropical Cyclone Elsa was the fifth tropical cyclone in the 2021 Atlantic Hurricane Season.
On July 2 it intensified and became Hurricane Elsa, west of Barbados and east of Saint Vincent and the Grenadines. On the same day, the US National Hurricane Center (NHC) reported that it was strengthening as it was moving toward the eastern Caribbean sea. It brought tropicalstorm-force winds over Haiti and Jamaica while passing near these countries.