Munising water temp

This data the coastal Munising 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 Munising

Water temperature in Munising today is 63.1°F. Based on our historical data over a period of ten years, the warmest water in this day in the Lake Superior near Munising was recorded in 2023 and was 68.5°F, and the coldest was recorded in 2017 at 60.3°F. Water temperature in Munising is expected to drop to 61.9°F in the next 10 days. September average water temperature in Munising is 61.9°F, the minimum temperature is 52.3°F, and the maximum is 68.5°F.

Throughout the year, the water temperature in Munising does not rise above 68°F and therefore is not suitable for comfortable swimming. But on some days of July, August, September, the water temperature warms up to 68°F and above. The average water temperature in Munising in winter reaches 36°F, in spring 35.4°F, in summer the average temperature rises to 57.7°F, and in autumn it is 54°F.

Munising water temperature now

Surf Forecast in Munising 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 Munising. 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 Munising. Data in table shown for September 5, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Munising

Munising weather forecast

Current temperature and weather

Data in a table show Munising temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Munising.

0-3 h	3-6 h	6-9 h	9-12 h
53.4°F	50.7°F	54°F	51.8°F

12-15 h	15-18 h	18-21 h	21-24 h
53.2°F	53.1°F	52.7°F	51.3°F

Munising water temperature by month

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

The nearest beaches and cities from Munising 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
Christmas	63.3°F	51.8°F		2' 2"
Au Train	63.5°F	53.6°F		2' 2"
Rock River	63.5°F	53.6°F		2' 2"
Pictured Rocks	63.3°F	50°F		3' 1"
Marquette	63.7°F	50°F		2' 2"
Grand Marais	61.9°F	50°F		3' 3"
Nahma	66.4°F	57.2°F		4' 0"
Thompson	65.8°F	55.4°F		4' 0"
Gladstone	64.8°F	55.4°F		2' 9"
Rapid River	64.8°F	55.4°F		2' 9"

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Our report for Munising 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.