Union Pier water temp

This data the coastal Union Pier water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current water temperature in Union Pier

Water temperature in Union Pier today is 67.6°F. Based on our historical data over a period of ten years, the warmest water in this day in Union Pier was recorded in 2017 and was 71.4°F, and the coldest was recorded in 2015 at 63.7°F. Water temperature in Union Pier is expected to drop to 63.5°F in the next 10 days. September average water temperature in Union Pier is 69.1°F, the minimum temperature is 62.6°F, and the maximum is 75.4°F.

The swimming season in Union Pier lasts from July to September. During those months, Union Pier water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Union Pier in winter reaches 38.1°F, in spring 43.5°F, in summer the average temperature rises to 70°F, and in autumn it is 59.9°F.

Union Pier water temperature now

Surf Forecast in Union Pier for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Union Pier. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Union Pier. Data in table shown for September 26, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Union Pier

Union Pier weather forecast

Current temperature and weather

Data in a table show Union Pier temperature today (September 26, 2025). For more information and forecast for a few days, go to the weather forecast Union Pier.

0-3 h	3-6 h	6-9 h	9-12 h
58.6°F	56.1°F	54.3°F	59.5°F

12-15 h	15-18 h	18-21 h	21-24 h
75.2°F	77.5°F	74.5°F	69.6°F

Union Pier water temperature by month

These figures shows the average, minimum and maximum monthly water temperature in Union Pier. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Union Pier on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Union Pier

Temperatura da água do Lago Michigan

The nearest beaches and cities from Union Pier with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Lakeside	67.6°F	73.4°F		0' 9"
Sawyer	66.6°F	77°F		0' 9"
Harbert	66.6°F	77°F		0' 9"
Michiana	68°F	77°F		0' 8"
Bridgman	66.2°F	69.8°F		0' 9"
Weko Beach	66.2°F	69.8°F		0' 9"
Long Beach	68.2°F	77°F		0' 8"
Washington Park Beach	68.2°F	77°F		0' 8"
Stevensville	65.1°F	64.4°F		0' 9"
Grand Mere	65.1°F	64.4°F		0' 9"

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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.