World sea water temperatures

Water temperature in Port Austin (MI) in August

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Is it warm enough to swim in Port Austin in August? Average water temperature in Port Austin in August is 70.9°F and therefore suitable for comfortable swimming. The warmest water in Port Austin in August is 75.6°F, and the coldest is 65.1°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Port Austin

Changes water temperature in Port Austin in August 2025, 2024

To get an accurate forecast for the water temperature in Port Austin 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 Austin, 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 172.7°F73.8°F65.8°F74.8°F
August 271.8°F75.4°F67.6°F75.4°F
August 371.8°F75.4°F67.8°F75.4°F
August 472.1°F75.4°F68°F75.4°F
August 572.7°F75.2°F67.8°F75.2°F
August 673°F74.7°F67.6°F74.7°F
August 773°F73.6°F67.3°F73.6°F
August 873°F73°F67.5°F74.1°F
August 973.4°F73.8°F67.5°F73.8°F
August 1074.5°F73.4°F67.6°F74.5°F
August 1174.8°F72.5°F67.8°F75.6°F
August 1274.8°F72°F67.6°F74.8°F
August 1374.1°F71.4°F66.4°F74.1°F
August 1474.7°F71.6°F65.1°F74.8°F
August 1574.3°F71.6°F66°F74.7°F
Day 2025 2024 Min Max
August 1674.7°F71.8°F66°F74.7°F
August 1772°F71.6°F66.4°F74.7°F
August 1871.4°F71.4°F66.2°F74.5°F
August 1971.2°F71.4°F66.6°F74.5°F
August 2068.4°F70.3°F66.9°F74.7°F
August 2164.2°F69.6°F64.2°F73.9°F
August 2267.3°F69.3°F67.3°F73.2°F
August 2368.9°F70°F67.5°F73.4°F
August 2469.3°F69.8°F67.1°F74.1°F
August 2569.1°F70.9°F66.6°F74.3°F
August 2668.2°F71.4°F66.2°F74.3°F
August 2768.4°F72.7°F66°F74.3°F
August 2868.2°F72.1°F66.4°F73.9°F
August 2968.2°F71.2°F66.6°F74.3°F
August 3067.5°F68.4°F66.7°F74.1°F
August 3166.9°F71.4°F65.5°F74.1°F
Port Austin water temp chart in August

Average water temperature in Port Austin in August over a decade

20162017201820192020
73.2°F68.4°F72.7°F71.8°F73.4°F
20212022202320242025
72.7°F71.2°F69.8°F72.1°F72.5°F

Port Austin sea state in August

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

Port Austin 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
Port Crescent71.2°F65.7°F75.7°F
Oak Beach71.4°F66°F76.1°F
Caseville72.7°F65.8°F78.3°F
Oscoda70°F64.8°F75.7°F
Port Hope70.5°F65.3°F75.6°F
Tawas City70.9°F63.5°F76.5°F
Harbor Beach70.7°F65.5°F75.9°F
Au Gres72.5°F62.1°F78.6°F
Sebewaing73.9°F66.9°F80.4°F
Harrisville69.3°F63.7°F75°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 Port Austin 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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