Water temperature in Lake Couchiching

This data the coastal Lake Couchiching 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 Lake Couchiching

Water temperature in Lake Couchiching today is 16.5°C. Based on our historical data over a period of ten years, the warmest water in this day in Lake Couchiching was recorded in 2021 and was 17.5°C, and the coldest was recorded in 2012 at 13.6°C. Water temperature in Lake Couchiching is expected to drop to 13.1°C in the next 10 days. October average water temperature in Lake Couchiching is 14.7°C, the minimum temperature is 10.1°C, and the maximum is 20.1°C.

The swimming season in Lake Couchiching lasts from July to September. During those months, Lake Couchiching water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Lake Couchiching in winter reaches 1.5°C, in spring 4.5°C, in summer the average temperature rises to 20.9°C, and in autumn it is 14.7°C.

Lake Couchiching water temperature now

Surf Forecast in Lake Couchiching 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 Lake Couchiching. 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 Lake Couchiching. Data in table shown for 14 October 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Lake Couchiching

Lake Couchiching weather forecast

Current temperature and weather

Data in a table show Lake Couchiching temperature today (14 October 2025). For more information and forecast for a few days, go to the weather forecast Lake Couchiching.

0-3 h	3-6 h	6-9 h	9-12 h
11.9°C	10.3°C	9.4°C	11.1°C

12-15 h	15-18 h	18-21 h	21-24 h
17.3°C	18.4°C	12.9°C	10.7°C

Lake Couchiching water temperature by month

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

The nearest beaches and cities from Lake Couchiching 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
Orillia	17°C	18°C		0.14 m
Mara Beach	16.2°C	17°C		0.31 m
Lake Simcoe	16.5°C	17°C		0.14 m
Georgina	16.6°C	17°C		0.27 m
Jacksons Point	16.6°C	17°C		0.27 m
Barrie	16.8°C	17°C		0.14 m
Sibbald Point	16.4°C	18°C		0.27 m
Cook's Bay	16.8°C	17°C		0.14 m
Kempenfelt Bay	16.9°C	17°C		0.14 m
Centennial Beach	16.9°C	17°C		0.14 m

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Our report for Lake Couchiching 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.