Marine heatwave conditions (stippled) are currently widespread in the Gulf of Mexico - waters off the west coast of Florida are 4-6˚C above average for the time of year!

The yellow contour (🟡) shows the 26˚C isotherm, the sea temperature necessary for hurricane development... pic.twitter.com/gJB3F9HWqZ

— Ben Noll (@BenNollWeather) April 7, 2023