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Water temperature in Thunder Bay (MI) in June

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Is it warm enough to swim in Thunder Bay in June? Average water temperature in Thunder Bay in June is 56.8°F and therefore is not suitable for comfortable swimming. The warmest water in Thunder Bay in June is 65.8°F, and the coldest is 48.4°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Thunder Bay

Changes water temperature in Thunder Bay in June 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
June 150°F54.7°F48.4°F57.2°F
June 250°F55°F49.3°F60.1°F
June 350°F56.3°F49.5°F57.6°F
June 449.5°F56.5°F49.1°F58.3°F
June 549.3°F55.8°F48.6°F60.1°F
June 649.1°F55.2°F49.1°F58.6°F
June 752.9°F55°F50.7°F58.5°F
June 856.3°F55.9°F52.3°F57°F
June 955°F56.1°F51.8°F57.7°F
June 1055.4°F55.6°F51.3°F59°F
June 1154.1°F55.6°F52.2°F58.5°F
June 1256.1°F56.7°F52.3°F59.2°F
June 1356.1°F58.5°F52.2°F58.5°F
June 1456.3°F57.9°F51.8°F59.2°F
June 1555.9°F58.5°F53.4°F59.5°F
Day 2025 2024 Min Max
June 1655.8°F58.3°F52.2°F60.4°F
June 1757.2°F60.1°F53.4°F60.1°F
June 1857.9°F59.9°F55.4°F62.2°F
June 1957.6°F63.1°F54.5°F63.1°F
June 2059.7°F62.4°F53.2°F62.4°F
June 2159.9°F62.8°F54.7°F63°F
June 22 62.1°F56.1°F64.8°F
June 2359.9°F61.3°F56.8°F64.2°F
June 2459.4°F61.3°F54°F65.8°F
June 2561.7°F64°F55°F65.8°F
June 2661.9°F64.4°F55.8°F65.3°F
June 2761.2°F62.2°F57.9°F65.5°F
June 2859.9°F61.2°F58.5°F65.1°F
June 2960.1°F61.5°F58.3°F64.9°F
June 3060.1°F61.7°F58.6°F65.8°F
Thunder Bay water temp chart in June

Average water temperature in Thunder Bay in June over a decade

20162017201820192020
57.4°F56.8°F55.6°F54°F55.4°F
20212022202320242025
57.2°F56.8°F60.4°F59°F56.1°F

Thunder Bay sea state in June

Chart comparing the height of waves in Thunder Bay in June 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 Thunder Bay in June

Thunder Bay 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 June?

Want to know where the water temperature in June 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 June. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Harbor View50.9°F40.5°F64.8°F
Presque Isle Harbor50.9°F40.5°F64.8°F
Manitou Beach51.3°F38.3°F64.2°F
East Tawas59.2°F48°F68.7°F
Evergreen Beach52.2°F38.8°F64.4°F
Tawas City60.1°F47.7°F69.8°F
Huron Beach52.3°F39°F64.6°F
Hammond Bay52.3°F39°F64.6°F
Port Austin59°F46.9°F71.4°F
Oak Beach61.5°F51.1°F72.5°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 Thunder Bay 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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