Though Isbell struck the state as a Category 2 hurricane, no winds in excess of 100 mph (160 km/h) were reported. Measurements peaked at 90 mph (150 km/h) at both Everglades City and Indiantown. Hurricane-force gusts were measured in Belle Glade, Fort Lauderdale, Key West, Pompano Beach, and West Palm Beach. Atmospheric pressures fell to 970.7 mb (hPa; 28.67 inHg) in the Dry Tortugas and 977.5 mb (hPa; 28.87 inHg) on the mainland in Juno Beach. Rainfall in the state was relatively limited owing to the brisk movement of the storm, though a frontal system immediately preceding the hurricane brought heavy rains to the state. A peak total of was measured in West Palm Beach, though an estimated 80% of this was attributable to the front. Amounts from the hurricane itself were likely around . No major storm surge was reported during Isbell's passage due to greatly weaker winds in the back half of the storm. Tides in Key West rose above normal.