Beaver Bay water temp

This data the coastal Beaver 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 Beaver Bay

Water temperature in Beaver Bay today is 61.3°F. Based on our historical data over a period of ten years, the warmest water in this day in the Lake Superior near Beaver Bay was recorded in 2023 and was 66.2°F, and the coldest was recorded in 2019 at 53.2°F. Water temperature in Beaver Bay is expected to drop to 58.6°F in the next 10 days. September average water temperature in Beaver Bay is 58.5°F, the minimum temperature is 47.3°F, and the maximum is 66.7°F.

Throughout the year, the water temperature in Beaver Bay does not rise above 68°F and therefore is not suitable for comfortable swimming. But on some days of July, August, the water temperature warms up to 68°F and above. The average water temperature in Beaver Bay in winter reaches 36.5°F, in spring 35.2°F, in summer the average temperature rises to 52.9°F, and in autumn it is 50.7°F.

Beaver Bay water temperature now

Surf Forecast in Beaver 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 Beaver 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 Beaver Bay. 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 Beaver Bay

Beaver Bay weather forecast

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
45.3°F	44.8°F	45.5°F	48°F

12-15 h	15-18 h	18-21 h	21-24 h
50.5°F	52.2°F	51.1°F	49.3°F

Beaver Bay water temperature by month

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

The nearest beaches and cities from Beaver 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
Herbster	63.3°F	53.6°F		2' 2"
Port Wing	63.1°F	53.6°F		1' 10"
Grand Portage	60.4°F	48.2°F		2' 0"
Ontonagon	62.8°F	51.8°F		3' 4"
Kabetogama	70.2°F	51.8°F		1' 10"
Isle Royale	60.8°F	50°F		2' 3"
McLain State Park	61.9°F	50°F		3' 9"
Thunder Bay	61.9°F	50°F		1' 3"
Calumet	61.7°F	50°F		3' 8"
Baraga	61.9°F	48.2°F		1' 1"

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Our report for Beaver 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.