World sea water temperatures

Water temperature in Apostle Islands (WI) in October

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Is it warm enough to swim in Apostle Islands in October? Average water temperature in Apostle Islands in October is 52.2°F and therefore is not suitable for comfortable swimming. The warmest water in Apostle Islands in October is 63.3°F, and the coldest is 44.6°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Apostle Islands

Changes water temperature in Apostle Islands in October 2024, 2023

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

You can choose any other years:

Year 1:   Year 2:


Day 2024 2023 Min Max
October 163.1°F59.5°F52°F63.1°F
October 262.2°F63.3°F52.5°F63.3°F
October 361.9°F62.8°F52.3°F62.8°F
October 461.2°F62.6°F52°F62.6°F
October 560.6°F62.2°F50.9°F62.2°F
October 659.9°F61.3°F48.4°F61.3°F
October 759.4°F60.1°F47.8°F61.7°F
October 858.6°F59.9°F47.5°F60.8°F
October 957.6°F59.4°F46.8°F62.2°F
October 1056.1°F58.3°F46.8°F63.1°F
October 1157.9°F59°F45.9°F61.7°F
October 1257.6°F58.3°F46°F60.6°F
October 1357°F58.1°F46.2°F59.4°F
October 1456.5°F57.9°F46.6°F58.8°F
October 1556.3°F56.1°F45.1°F58.1°F
Day 2024 2023 Min Max
October 1654.7°F55.2°F45.3°F56.5°F
October 1754.9°F55°F45.7°F56.1°F
October 1854.9°F54.7°F45.7°F56.3°F
October 1953.6°F54.1°F45.3°F55.2°F
October 2054°F55.2°F46.6°F55.4°F
October 2155°F54.9°F45.9°F55°F
October 2254.1°F54.7°F45.9°F54.9°F
October 2353.4°F52.7°F45.9°F54.1°F
October 2452.5°F54.3°F46.6°F54.3°F
October 2552.2°F53.6°F46.2°F53.6°F
October 2651.4°F53.1°F44.8°F53.1°F
October 2751.1°F53.8°F45°F53.8°F
October 2850.4°F53.2°F45.5°F53.2°F
October 2950°F52.2°F45.3°F52.2°F
October 3049.6°F51.6°F44.6°F51.6°F
October 3150.7°F52.3°F44.6°F52.3°F
Apostle Islands water temp chart in October

Average water temperature in Apostle Islands in October over a decade

20152016201720182019
52°F51.1°F55.4°F49.8°F49.3°F
20202021202220232024
50.7°F57°F52.3°F56.8°F55.8°F

Apostle Islands sea state in October

Chart comparing the height of waves in Apostle Islands in October 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 Apostle Islands in October

Apostle Islands 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 October?

Want to know where the water temperature in October 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 October. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Madeline Island53.1°F45.5°F63.5°F
Big Bay State Park53.1°F45.5°F63.5°F
Cornucopia52°F43.7°F64.8°F
Herbster51.8°F43.3°F64.6°F
Silver Bay50.2°F42.1°F62.4°F
Beaver Bay50.4°F42.1°F62.2°F
Tofte50.4°F42.3°F62.2°F
Schroeder50.4°F42.3°F62.4°F
Port Wing52.2°F43.3°F64.6°F
Lutsen50.5°F42.4°F62.4°F

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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 Apostle Islands 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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