Grand Traverse Bay water temp

This data the coastal Grand Traverse Bay 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 Grand Traverse Bay

Water temperature in Grand Traverse Bay today is 64.9°F. Based on our historical data over a period of ten years, the warmest water in this day in Grand Traverse Bay was recorded in 2017 and was 69.4°F, and the coldest was recorded in 2014 at 61.3°F. Water temperature in Grand Traverse Bay is expected to drop to 62.2°F in the next 10 days. September average water temperature in Grand Traverse Bay is 67.1°F, the minimum temperature is 60.4°F, and the maximum is 72.9°F.

The swimming season in Grand Traverse Bay lasts from July to September. During those months, Grand Traverse Bay water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Grand Traverse Bay in winter reaches 38.5°F, in spring 37.4°F, in summer the average temperature rises to 64.9°F, and in autumn it is 58.3°F.

Grand Traverse Bay water temperature now

Surf Forecast in Grand Traverse Bay 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 Grand Traverse Bay. 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 Grand Traverse Bay. 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 Grand Traverse Bay

Grand Traverse Bay weather forecast

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
57.6°F	57.9°F	58.3°F	59.5°F

12-15 h	15-18 h	18-21 h	21-24 h
61°F	62.8°F	62.8°F	60.8°F

Grand Traverse Bay water temperature by month

These figures shows the average, minimum and maximum monthly water temperature in Grand Traverse Bay. 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 Grand Traverse Bay 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 Grand Traverse Bay

Michigan Lake water temperatures

The nearest beaches and cities from Grand Traverse Bay 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
Torch Lake	64.2°F	60.8°F
East Arm Grand Traverse Bay	65.5°F	62.6°F		0' 7"
Elk Rapids	65.8°F	64.4°F		0' 7"
Suttons Bay	65.7°F	62.6°F		0' 7"
Northport	64.4°F	60.8°F		1' 3"
Acme	65.8°F	64.4°F		0' 7"
East Bay	65.8°F	64.4°F		0' 7"
Christmas Cove	64°F	60.8°F		1' 1"
West Arm Grand Traverse Bay	65.8°F	64.4°F		0' 7"
Good Harbor Bay	63.1°F	62.6°F		1' 2"

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Our report for 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.