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.