Florida's Gulf Coast, which is famous for its powder-like, white-sand beaches and emerald-hued waters, offers beachgoers a slightly warmer water temp (up to 5° more in the summer months) and calmer waters which is great for watersport activities such as stand-up paddleboarding and kayaking.

Generally, the East Coast (Atlantic Ocean) side of Florida has warmer water than the West Coast (Gulf of Mexico) during the winter months, while the West Coast is often warmer during the peak of summer. This is due to the Gulf Stream, a powerful, warm ocean current that flows from the tip of Florida up the Atlantic coast, keeping the water temperatures in cities like Miami, Fort Lauderdale, and West Palm Beach relatively mild (often in the low-to-mid 70s°F) even in January. On the Gulf side (Tampa, Clearwater, Sarasota), the water is shallower and lacks a major warm current, meaning it cools down significantly more during winter cold fronts. However, in the summer (July-September), the Gulf of Mexico becomes very still and shallow, causing it to heat up like a giant "bathtub," with temperatures frequently reaching the high 80s or low 90s°F, which is often a few degrees warmer than the Atlantic side. If you are visiting in the "shoulder" seasons of 2026, you will find the most consistent warmth in the extreme southern part of the state, such as the Florida Keys, where the Atlantic and Gulf waters meet.