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Water temperature in Port Sanilac (MI) in August

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Is it warm enough to swim in Port Sanilac in August? Average water temperature in Port Sanilac in August is 71.2°F and therefore suitable for comfortable swimming. The warmest water in Port Sanilac in August is 77.4°F, and the coldest is 66.2°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Port Sanilac

Changes water temperature in Port Sanilac in August 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
August 171.6°F74.5°F66.9°F74.5°F
August 270.9°F74.7°F66.7°F74.7°F
August 371.2°F75.2°F68°F75.2°F
August 471.6°F75.7°F68°F75.7°F
August 572.3°F75.2°F67.8°F75.2°F
August 672.5°F75.2°F67.6°F75.2°F
August 772.9°F74.3°F67.6°F74.8°F
August 873°F73.2°F67.6°F74.5°F
August 973.4°F73.6°F68.4°F74.8°F
August 1073.8°F73.4°F68.5°F75.7°F
August 1173.6°F72.9°F68.2°F75.6°F
August 1273.4°F72.3°F68.5°F77.2°F
August 1373.6°F71.8°F67.3°F77.4°F
August 1474.1°F72.3°F67.1°F76.6°F
August 1574.1°F72.9°F66.7°F76.3°F
Day 2025 2024 Min Max
August 1672.5°F73.6°F66.7°F75.7°F
August 1773.2°F72.5°F66.7°F75.2°F
August 1872.3°F72.1°F66.9°F75°F
August 1972.5°F72.1°F66.7°F74.7°F
August 2072°F71.6°F68.5°F74.3°F
August 2170.9°F70.5°F68.7°F74.3°F
August 2270.2°F69.6°F66.2°F74.5°F
August 2371.2°F69.6°F66.4°F74.3°F
August 2471.1°F70.2°F66.9°F74.5°F
August 2570.3°F70.5°F67.3°F75°F
August 2669.4°F72°F68°F74.7°F
August 2768.5°F73.4°F67.3°F74.1°F
August 2868.5°F73°F67.3°F75.2°F
August 2968.4°F71.4°F66.9°F75.6°F
August 3067.1°F71.6°F67.1°F75°F
August 3166.6°F72.1°F66.6°F74.7°F
Port Sanilac water temp chart in August

Average water temperature in Port Sanilac in August over a decade

20162017201820192020
74.1°F68.9°F72.7°F71.8°F73.2°F
20212022202320242025
72.7°F71.1°F69.6°F72.7°F72.1°F

Port Sanilac sea state in August

Chart comparing the height of waves in Port Sanilac in August 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 Port Sanilac in August

Port Sanilac 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 August?

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

AvrMinMax
Fort Gratiot Township71.4°F66.7°F77.2°F
Lexington71.6°F66.9°F77.4°F
Lakeport71.4°F66.7°F77.2°F
Sarnia71.4°F66.7°F76.8°F
Canatara Beach71.4°F66.7°F76.8°F
Point Edward71.4°F66.7°F76.8°F
Port Huron71.4°F66.7°F76.6°F
Brights Grove71.4°F66.7°F76.6°F
Highland Glen71.6°F66.6°F76.3°F
Kennedy Acres71.6°F66.6°F76.3°F

Port Sanilac photo gallery

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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 Port Sanilac 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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