Ernesto was a TS tropical cyclone that formed in the Gulf of Mexico in 2018. The storm reached maximum sustained winds of 74 km/h (40 kt) with a minimum central pressure of 999 hPa. Tracking across the Gulf of Mexicoin the North Atlantic basin (, it potentially affected the US Gulf Coast, Mexico and Cuba. The storm traveled from approximately 36.9°-45.9° to 55.0°-4.5°, crossing a range of 18 latitude and 41 longitude.