World sea water temperatures

Water temperature in Madeline Island (WI) in December

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Is it warm enough to swim in Madeline Island in December? Average water temperature in Madeline Island in December is 38.1°F and therefore is not suitable for comfortable swimming. The warmest water in Madeline Island in December is 44.1°F, and the coldest is 32.5°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Madeline Island

Changes water temperature in Madeline Island in December 2024, 2023

To get an accurate forecast for the water temperature in Madeline Island for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Madeline Island, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of December.

You can choose any other years:

Year 1:   Year 2:


Day 2024 2023 Min Max
December 142.3°F43.3°F38.1°F43.3°F
December 242.3°F43°F38.3°F44.1°F
December 342.1°F42.8°F35.2°F43.3°F
December 442.1°F42.6°F35.8°F43.7°F
December 541.5°F42.6°F35.6°F43.5°F
December 641.5°F42.1°F36°F43.2°F
December 741.2°F40.6°F36.5°F42.6°F
December 841.7°F41.9°F36.3°F42.1°F
December 941.2°F41.2°F36.1°F42.3°F
December 1040.6°F40.6°F35.4°F41.9°F
December 1140.1°F40.3°F35.4°F41.2°F
December 1237.9°F39.9°F35.8°F41.2°F
December 1337.8°F39.9°F36.1°F40.8°F
December 1437.9°F41.5°F35.6°F41.5°F
December 1537.9°F40.1°F35.6°F40.6°F
Day 2024 2023 Min Max
December 1636.3°F39.9°F35.4°F40.5°F
December 1736°F39.7°F35.6°F40.3°F
December 1837.4°F40.3°F35.1°F40.3°F
December 1937.4°F40.1°F35.2°F40.1°F
December 2037°F40.5°F35.8°F40.5°F
December 2136.5°F39.7°F34.9°F39.7°F
December 2236.1°F39°F34.7°F39°F
December 2335.8°F38.5°F34.5°F38.5°F
December 2435.6°F38.1°F34.2°F38.1°F
December 2536.7°F37.4°F33.8°F37.8°F
December 2636.3°F36.7°F33.4°F37°F
December 2735.6°F39°F33.1°F39°F
December 2835.8°F39.2°F33.4°F39.2°F
December 2936°F39.7°F33.3°F39.7°F
December 3035.8°F39.9°F32.9°F39.9°F
December 3136°F39.7°F32.5°F39.7°F
Madeline Island water temp chart in December

Average water temperature in Madeline Island in December over a decade

20152016201720182019
39.6°F39°F37.4°F37.2°F37°F
20202021202220232024
37.2°F39.9°F37.8°F40.3°F38.3°F

Madeline Island sea state in December

Chart comparing the height of waves in Madeline Island in December over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Madeline Island in December

Madeline Island water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in December?

Want to know where the water temperature in December is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in December. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Big Bay State Park38.1°F32.5°F44.1°F
Cornucopia38.8°F33.8°F43.5°F
Herbster39°F33.4°F44.2°F
Port Wing39°F32.7°F44.1°F
Beaver Bay39.2°F32.7°F43.7°F
Tofte39.2°F32.9°F43°F
Schroeder39.2°F32.7°F43°F
Knife River38.5°F32.7°F43.7°F
French River38.1°F31.8°F44.6°F
Lutsen39.2°F32.5°F43°F

Wisconsin photo gallery

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  • Green Flash seen from Bradford Beach

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Madeline Island 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.

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