Water temperature of the Gulf of Mexico in march Where to swim in the Gulf of Mexico in march 2026?

Several countries border the seaside of the Gulf of Mexico, including: Cuba, United States, Florida, Louisiana and Mexico. We measure the water temperature daily in these countries and archive it in order to calculate monthly averages, like those of the month of march.

The seasonal average for the water temperature in the month of march is between 63°F and 79°F. The lowest sea temperature measured this month is 55°F and the highest is 82°F.

The sea temperature map of the Gulf of Mexico in march

The map below presents a monthly average of the water temperature of the Gulf of Mexico for the month of march for several coastal cities. You can zoom and move around on the map. By clicking on the markers, you can see sea temperature details by city in march.