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Water temperature in Au Sable (MI) in March

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Is it warm enough to swim in Au Sable in March? Average water temperature in Au Sable in March is 33.6°F and therefore is not suitable for comfortable swimming. The warmest sea in Au Sable in March is 38.7°F, and the coldest is 30.4°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Au Sable

Changes water temperature in Au Sable in March 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
March 132.5°F34.2°F30.4°F34.9°F
March 232.5°F33.8°F30.7°F33.8°F
March 334°F33.6°F30.4°F34°F
March 433.8°F34.2°F30.7°F34.2°F
March 533.4°F32.2°F30.9°F33.4°F
March 633.4°F34.7°F31.3°F34.7°F
March 733.4°F35.1°F31.3°F35.1°F
March 833.1°F34.5°F33.1°F34.5°F
March 933.4°F34.2°F31.5°F35.2°F
March 1033.6°F34.5°F31.8°F34.5°F
March 1133.8°F34.9°F32°F34.9°F
March 1232.7°F34.5°F31.3°F35.2°F
March 1330.9°F36.5°F30.9°F36.5°F
March 1431.3°F36.1°F31.3°F36.1°F
March 1532.4°F35.8°F31.5°F36.1°F
Day 2025 2024 Min Max
March 1633.1°F35.2°F33.1°F35.2°F
March 1733.1°F35.1°F33.1°F35.1°F
March 1833.1°F34.5°F33.1°F35.1°F
March 1933.6°F34.7°F32.4°F34.7°F
March 2035.2°F34.9°F33.1°F37.6°F
March 2135.1°F34.9°F32.4°F35.2°F
March 2235.4°F34.2°F32.2°F35.4°F
March 2335.1°F35.1°F31.5°F37.4°F
March 2434.9°F34.5°F31.5°F37.2°F
March 2534.9°F34.3°F32.9°F38.7°F
March 2634.2°F34.7°F33.1°F36.1°F
March 2734.5°F34.9°F32.7°F35.6°F
March 2833.3°F36°F33.3°F37.2°F
March 2933.4°F35.6°F32.7°F36.5°F
March 3033.8°F35.4°F31.1°F35.4°F
March 3133.8°F35.2°F33.1°F37.9°F
Au Sable water temp chart in March

Average water temperature in Au Sable in March over a decade

20162017201820192020
34°F33.4°F33.4°F33.1°F33.8°F
20212022202320242025
34.3°F33.1°F33.8°F34.7°F33.6°F

Au Sable water temperature during other months:

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

Where is the warm sea water in March?

Want to know where the water temperature in March is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Au Sable 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.

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