Water temperature in Saint Simons Island (GA) in March

Is it warm enough to swim in Saint Simons Island in March? Average water temperature in Saint Simons Island in March is 61.7°F and therefore is not suitable for comfortable swimming. The warmest sea in Saint Simons Island in March is 71.4°F, and the coldest is 54°F. Average high air temperature in Saint Simons Island in March is 70°F, and average low temperature is 50°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Saint Simons Island

Changes water temperature in Saint Simons Island in March 2026, 2025

To get an accurate forecast for the water temperature in Saint Simons Island for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Saint Simons Island, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of March.

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Average water temperature in Saint Simons Island in March over a decade

Chart comparing the height of waves in Saint Simons Island in March over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

This data display average monthly climate indicators in Saint Simons Island in March based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

You can also view information about water temperature for other months by clicking on the month button below

The nearest locations with the average water temperature in March. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

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Our report for Saint Simons Island is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.