United States water temperature in March

Is United States warm enough to swim in spring? In March sea water temperature in some cities of United States is above 68°F and it is enough for comfortable bathing. Based on average water temperature observations over the past ten years, the warmest sea in United States in March was 78.3°F (in Johnston Atoll), and the coldest water 28.8°F (in Barrow). To find out the sea temperature today and in the coming days, go to Current sea temperature in United States

USA sea surface temp in March

Several popular the US resorts with average ocean temperatures in March over the past years. For sea temperatures in other locations, select a state below or search

Water temperature map of United States in March

The map shows United States average temperature water in March in some coastal cities

For the searchability, all United States cities and resorts are separated by state. To find the temperature of the water, select the state and then the city. If you do not know in which state the place is of interest to you, go to the section United States all cities and resorts

To find out what the water temperature was in United States any day over a period of the last ten years, select the month

Places with the warmest average ocean water temperature in United States in March. Also indicated are the maximum and minimum temperatures in March for these locations based on observations over the past 10 years

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US, U.S., United States of America

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Our report for United States 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.