Water temperature in Wiarton

This data the coastal Wiarton 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 Wiarton

Water temperature in Wiarton today is 17.9°C. Based on our historical data over a period of ten years, the warmest water in this day in the Georgian Bay near Wiarton was recorded in 2017 and was 20.5°C, and the coldest was recorded in 2014 at 15.6°C. Water temperature in Wiarton is expected to drop to 15.8°C in the next 10 days. September average water temperature in Wiarton is 18.9°C, the minimum temperature is 14.6°C, and the maximum is 22°C.

The swimming season in Wiarton lasts only one month - August. During this month, Wiarton water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Wiarton in winter reaches 3.8°C, in spring 2.5°C, in summer the average temperature rises to 16.3°C, and in autumn it is 14°C.

Wiarton water temperature now

Surf Forecast in Wiarton 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 Wiarton. 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 Wiarton. Data in table shown for 26 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Wiarton

Wiarton weather forecast

Current temperature and weather

Data in a table show Wiarton temperature today (26 September 2025). For more information and forecast for a few days, go to the weather forecast Wiarton.

0-3 h	3-6 h	6-9 h	9-12 h
16°C	15.6°C	15.3°C	17°C

12-15 h	15-18 h	18-21 h	21-24 h
19.6°C	18.4°C	17°C	16.4°C

Wiarton water temperature by month

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

The nearest beaches and cities from Wiarton 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
Big Bay	17.9°C	17°C		0.15 m
Colpoy's Bay	17.9°C	17°C		0.15 m
Balmy Beach	18°C	20°C		0.15 m
Cape Croker	18.2°C	16°C		0.23 m
Hope Bay	18.2°C	16°C		0.23 m
Pike Bay	17.6°C	17°C		0.25 m
Howdenvale	17.6°C	17°C		0.23 m
Oliphant	17.5°C	17°C		0.23 m
Meaford	18°C	17°C		0.28 m
Stokes Bay	17.6°C	16°C		0.25 m

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Our report for Wiarton 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.