Nation Tropical Storm Isaias strengthens as it hits Puerto Rico; most of Florida in forecast path July 30, 2020July 30, 2020Cheryl McCloud, Treasure Coast NewspapersComments Off on Tropical Storm Isaias strengthens as it hits Puerto Rico; most of Florida in forecast path The official forecast for Isaias shows peak winds of 70 mph when the storm is near the coast of Florida. High wind and heavy rain has hit Puerto Rico.