World sea water temperatures

Water temperature in Union Pier (MI) in May

Is it warm enough to swim in Union Pier in May? Average water temperature in Union Pier in May is 52.5°F and therefore is not suitable for comfortable swimming. The warmest water in Union Pier in May is 68.2°F, and the coldest is 42.1°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Union Pier

Changes water temperature in Union Pier in May 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
May 149.8°F46.6°F42.1°F49.8°F
May 249.8°F47.8°F42.3°F49.8°F
May 349.8°F47.7°F43.5°F50.4°F
May 449.6°F50.5°F43.2°F50.5°F
May 548.9°F49.1°F43.5°F50.4°F
May 649.1°F50.5°F45.7°F52°F
May 752.5°F51.1°F46.2°F54°F
May 852.3°F52.2°F46.8°F54.3°F
May 952.5°F52°F46.4°F55°F
May 1053.1°F53.1°F46.2°F54.3°F
May 1153.2°F53.8°F46.6°F53.8°F
May 1253.8°F53.4°F46.8°F54.1°F
May 1354.1°F54.5°F46.2°F54.5°F
May 1456.5°F55.4°F47.7°F56.5°F
May 1556.3°F56.7°F48.2°F56.7°F
Day 2025 2024 Min Max
May 1657.2°F55.6°F49.3°F57.2°F
May 1756.8°F54.9°F49.1°F56.8°F
May 1855.4°F55.6°F49.3°F56.5°F
May 1954.5°F59°F50.2°F59°F
May 2053.6°F59°F49.6°F59°F
May 2153.2°F60.3°F49.8°F60.3°F
May 2252.7°F59.9°F50.5°F59.9°F
May 2352.5°F60.1°F50.2°F60.1°F
May 2452.3°F61.7°F51.8°F61.7°F
May 2552.2°F61.5°F52.2°F61.5°F
May 2653.1°F60.6°F53.1°F62.4°F
May 2753.2°F60.8°F52.5°F65.1°F
May 2853.4°F59.7°F52.3°F68.2°F
May 2953.4°F59.7°F53.4°F67.8°F
May 3053.8°F59.9°F53.8°F66.2°F
May 3154.3°F60.4°F54.1°F68.2°F
Union Pier water temp chart in May

Average water temperature in Union Pier in May over a decade

20162017201820192020
53.4°F53.4°F55°F51.6°F50.5°F
20212022202320242025
53.1°F50.7°F50.9°F55.6°F53.1°F

Union Pier sea state in May

Chart comparing the height of waves in Union Pier in May 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.

Waves height in Union Pier in May

Union Pier water temperature during other months:

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

Temperatura da água do Lago Michigan in May

Where is the warm sea water in May?

Want to know where the water temperature in May 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

Temperature in neighboring cities

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

AvrMinMax
Lakeside52.2°F41.4°F67.8°F
Sawyer52.9°F41.7°F67.8°F
Harbert52.9°F41.7°F67.8°F
Michiana52.5°F42.8°F68.5°F
Bridgman52.5°F41.2°F67.6°F
Weko Beach52.5°F41.2°F67.6°F
Long Beach52.7°F43.5°F68.7°F
Washington Park Beach52.7°F43.5°F68.7°F
Stevensville52.5°F40.6°F67.3°F
Grand Mere52.5°F40.6°F67.3°F

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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 Union Pier 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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