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Water temperature in West Arm Grand Traverse Bay (MI) in August

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Is it warm enough to swim in West Arm Grand Traverse Bay in August? Average water temperature in West Arm Grand Traverse Bay in August is 71.1°F and therefore suitable for comfortable swimming. The warmest water in West Arm Grand Traverse Bay in August is 76.1°F, and the coldest is 64.9°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in West Arm Grand Traverse Bay

Changes water temperature in West Arm Grand Traverse Bay in August 2025, 2024

To get an accurate forecast for the water temperature in West Arm Grand Traverse 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 West Arm Grand Traverse Bay, 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 173.6°F71.6°F65.8°F73.8°F
August 272.3°F72.3°F67.3°F73.8°F
August 372.9°F73.6°F67.6°F75.4°F
August 472.3°F74.5°F67.8°F75.2°F
August 572.5°F74.7°F68.2°F74.7°F
August 672.1°F74.8°F68.7°F74.8°F
August 773°F74.1°F68.5°F74.5°F
August 873.9°F75°F68.7°F75°F
August 974.8°F74.3°F68.9°F74.8°F
August 1074.5°F73°F68.9°F75°F
August 1174.1°F72.9°F68.9°F75.2°F
August 1273.4°F71.4°F66.2°F75°F
August 1372.1°F71.2°F64.9°F74.7°F
August 1473.4°F71.6°F65.1°F75.2°F
August 1574.3°F71.4°F66.2°F75.2°F
Day 2025 2024 Min Max
August 1673.2°F71.2°F66.6°F76.1°F
August 1773.6°F71.2°F66.4°F75.9°F
August 1873.8°F71.6°F66.4°F76.1°F
August 1973.4°F71.2°F66.9°F75.9°F
August 2072.7°F70.9°F67.1°F75.9°F
August 2172.3°F70.2°F67.5°F75°F
August 2272.3°F70.5°F67.8°F74.7°F
August 2372.3°F70.3°F68°F73.8°F
August 2472.3°F70.5°F68°F73.8°F
August 2572°F70.7°F68.2°F73.6°F
August 2671.2°F71.8°F68°F73.9°F
August 2770.7°F71.6°F68°F73.8°F
August 2870.2°F71.6°F64.9°F73.4°F
August 2970°F71.4°F66.7°F73.2°F
August 3069.3°F71.4°F67.5°F73.2°F
August 3169.1°F71.6°F66.6°F73°F
West Arm Grand Traverse Bay water temp chart in August

Average water temperature in West Arm Grand Traverse Bay in August over a decade

20162017201820192020
74.3°F69.3°F72.7°F70.7°F72.9°F
20212022202320242025
72.5°F71.2°F70.3°F72.1°F73°F

West Arm Grand Traverse Bay sea state in August

Chart comparing the height of waves in West Arm Grand Traverse Bay 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 West Arm Grand Traverse Bay in August

West Arm Grand Traverse Bay water temperature during other months:

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

Water temperature of Lake Michigan in August

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
Acme71.2°F64.9°F75.9°F
East Bay71.2°F64.9°F75.9°F
Elk Rapids71.1°F64.8°F75.9°F
East Arm Grand Traverse Bay71.1°F64.8°F75.9°F
Suttons Bay70.9°F64.8°F76.1°F
Torch Lake70.5°F64.2°F75.7°F
Northport70.3°F64.4°F75.7°F
Leland69.3°F60.6°F74.8°F
Christmas Cove70°F64.2°F75.6°F
Port Oneida69.1°F62.8°F74.8°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 West Arm Grand Traverse 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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