Petoskey water temp

This data the coastal Petoskey 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 Petoskey

Water temperature in Petoskey today is 63.9°F. Based on our historical data over a period of ten years, the warmest water in this day in Petoskey was recorded in 2017 and was 64°F, and the coldest was recorded in 2022 at 56.1°F. Water temperature in Petoskey is expected to drop to 56.5°F in the next 10 days. October average water temperature in Petoskey is 58.3°F, the minimum temperature is 48.7°F, and the maximum is 66.2°F.

The swimming season in Petoskey lasts from July to September. During those months, Petoskey water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Petoskey in winter reaches 36.9°F, in spring 36.3°F, in summer the average temperature rises to 63.9°F, and in autumn it is 58.1°F.

Petoskey water temperature now

Surf Forecast in Petoskey 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 Petoskey. 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 Petoskey. Data in table shown for October 9, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Petoskey

Petoskey weather forecast

Current temperature and weather

Data in a table show Petoskey temperature today (October 9, 2025). For more information and forecast for a few days, go to the weather forecast Petoskey.

0-3 h	3-6 h	6-9 h	9-12 h
48°F	41.5°F	39°F	43.3°F

12-15 h	15-18 h	18-21 h	21-24 h
54.3°F	59.2°F	55.8°F	50.5°F

Petoskey water temperature by month

These figures shows the average, minimum and maximum monthly water temperature in Petoskey. 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 Petoskey 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 Petoskey

Water temperature at Lake Michigan

The nearest beaches and cities from Petoskey 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
Fisherman Island	63.3°F	57.2°F		0' 5"
Sturgeon Bay	62.8°F	55.4°F		0' 3"
Beaver Island	63.1°F	53.6°F		0' 6"
Torch Lake	64.8°F	57.2°F
Wilderness State Park	62.2°F	57.2°F		0' 2"
Christmas Cove	63.9°F	57.2°F		0' 5"
Northport	64.2°F	57.2°F		0' 5"
Grand Traverse Bay	64.8°F	55.4°F		0' 4"
Mackinaw-City	61°F	55.4°F		0' 2"
Saint Ignace	61.3°F	55.4°F		0' 2"

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Our report for Petoskey 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.