Bayfield water temp

This data the coastal Bayfield 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 Bayfield

Water temperature in Bayfield today is 65.3°F. Based on our historical data over a period of ten years, the warmest water in this day in the Lake Superior near Bayfield was recorded in 2012 and was 70.5°F, and the coldest was recorded in 2019 at 60.3°F. Water temperature in Bayfield is expected to drop to 62.2°F in the next 10 days. September average water temperature in Bayfield is 62.4°F, the minimum temperature is 54.9°F, and the maximum is 71.1°F.

The swimming season in Bayfield lasts from July to August. During those months, Bayfield water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Bayfield in winter reaches 34.9°F, in spring 37.2°F, in summer the average temperature rises to 62.8°F, and in autumn it is 53.6°F.

Bayfield water temperature now

Surf Forecast in Bayfield 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 Bayfield. 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 Bayfield. Data in table shown for September 6, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Bayfield

Bayfield weather forecast

Current temperature and weather

Data in a table show Bayfield temperature today (September 6, 2025). For more information and forecast for a few days, go to the weather forecast Bayfield.

0-3 h	3-6 h	6-9 h	9-12 h
50°F	49.3°F	49.5°F	49.8°F

12-15 h	15-18 h	18-21 h	21-24 h
51.6°F	54.7°F	56.1°F	55.6°F

Bayfield water temperature by month

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

The nearest beaches and cities from Bayfield 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
Madeline Island	64.8°F	55.4°F		1' 8"
Big Bay State Park	64.8°F	55.4°F		1' 8"
Washburn	64.9°F	51.8°F		1' 5"
Cornucopia	64°F	53.6°F		2' 3"
Apostle Islands	63.7°F	53.6°F		2' 8"
Herbster	63.3°F	53.6°F		2' 2"
Port Wing	63.1°F	53.6°F		1' 10"
Beaver Bay	61.3°F	51.8°F		1' 7"
Silver Bay	61.3°F	51.8°F		1' 7"
Knife River	60.1°F	51.8°F		1' 2"

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Our report for Bayfield 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.