Good Harbor Bay water temp

This data the coastal Good Harbor 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 Good Harbor Bay

Water temperature in Good Harbor Bay today is 62.1°F. Based on our historical data over a period of ten years, the warmest water in this day in Good Harbor Bay was recorded in 2022 and was 69.8°F, and the coldest 62.1°F. Water temperature in Good Harbor Bay is expected to rise to 64.8°F in the next 10 days. September average water temperature in Good Harbor Bay is 65.5°F, the minimum temperature is 55.6°F, and the maximum is 71.2°F.

The swimming season in Good Harbor Bay lasts from July to August. During those months, Good Harbor Bay water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Good Harbor Bay in winter reaches 38.7°F, in spring 37.9°F, in summer the average temperature rises to 63.3°F, and in autumn it is 57.4°F.

Good Harbor Bay water temperature now

Surf Forecast in Good Harbor 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 Good Harbor 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 Good Harbor Bay. Data in table shown for September 12, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Good Harbor Bay

Good Harbor Bay weather forecast

Current temperature and weather

Data in a table show Good Harbor Bay temperature today (September 12, 2025). For more information and forecast for a few days, go to the weather forecast Good Harbor Bay.

0-3 h	3-6 h	6-9 h	9-12 h
57.4°F	55.4°F	55.4°F	56.8°F

12-15 h	15-18 h	18-21 h	21-24 h
60.3°F	64.8°F	63.9°F	60.8°F

Good Harbor Bay water temperature by month

These figures shows the average, minimum and maximum monthly water temperature in Good Harbor 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 Good Harbor 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 Good Harbor Bay

The nearest beaches and cities from Good Harbor 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
Charlevoix	63.5°F	62.6°F		0' 2"
Little Traverse Bay	63.5°F	66.2°F		0' 1"
Petoskey	63.5°F	66.2°F		0' 1"
Beaver Island	63.5°F	57.2°F		0' 2"
Washington Island	61.9°F	57.2°F		0' 2"
Harbor Springs	64.4°F	66.2°F		0' 1"
Fairport	63.3°F	57.2°F		0' 2"
Rowleys Bay	62.4°F	64.4°F		0' 2"
Manistee	63.1°F	64.4°F		0' 3"
Baileys Harbor	63.1°F	64.4°F		0' 1"

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Good Harbor Bay Beach, Good Harbour Bay, Good Harbor Beach

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Our report for Good Harbor 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.