Georgian Bay water temperature in October

How cold is Georgian Bay water in fall? In October water temperature throughout Georgian Bay is not yet warm enough for swimming and does not exceed 68°F. Based on average water temperature observations over the past ten years, the warmest water temperature in Georgian Bay in October was 58.1°F (in Wasaga Beach), and the coldest 55.6°F (in Killarney). To find out the sea temperature today and in the coming days, go to Current sea temperature in Georgian Bay

Georgian Bay surface temperature in October

Georgian Bay cities and resorts with the values of the average water temperature in October in recent years.
For more detailed information about water temperature, surf forecast, weather and time of sunrise and sunset in any specific area of your interest, just click on a city name. For ease of search, all places are also grouped by the first letter of the name.

To find out what the water temperature was in Georgian Bay any day over a period of the last ten years, select the month

Places with the warmest average water temperature in Georgian Bay in October. Also indicated are the maximum and minimum temperatures in October for these locations based on observations over the past 10 years

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Our report for Great Lakes 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.