Water temperature in Port Dalhousie

This data the coastal Port Dalhousie 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 Port Dalhousie

Water temperature in Port Dalhousie today is 21.4°C. Based on our historical data over a period of ten years, the warmest water in this day in the Lake Ontario near Port Dalhousie was recorded in 2022 and was 22.9°C, and the coldest was recorded in 2017 at 18.8°C. Water temperature in Port Dalhousie is expected to drop to 20.1°C in the next 10 days. September average water temperature in Port Dalhousie is 20.1°C, the minimum temperature is 14.1°C, and the maximum is 23.3°C.

The swimming season in Port Dalhousie lasts from July to September. During those months, Port Dalhousie water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Port Dalhousie in winter reaches 3.7°C, in spring 5.4°C, in summer the average temperature rises to 19.9°C, and in autumn it is 14.4°C.

Port Dalhousie water temperature now

Surf Forecast in Port Dalhousie 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 Port Dalhousie. 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 Port Dalhousie. Data in table shown for 6 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Port Dalhousie

Port Dalhousie weather forecast

Current temperature and weather

Data in a table show Port Dalhousie temperature today (6 September 2025). For more information and forecast for a few days, go to the weather forecast Port Dalhousie.

0-3 h	3-6 h	6-9 h	9-12 h
11°C	11.7°C	11.8°C	15.9°C

12-15 h	15-18 h	18-21 h	21-24 h
22.4°C	23.5°C	22.9°C	18.9°C

Port Dalhousie water temperature by month

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

The nearest beaches and cities from Port Dalhousie 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
Fifty Point	21°C	23°C		0.31 m
Toronto	20.8°C	24°C		0.53 m
Toronto Islands	20.8°C	24°C		0.53 m
Centre Island Beach	20.8°C	24°C		0.53 m
Port Credit	20.9°C	23°C		0.54 m
Cherry Beach	20.6°C	24°C		0.53 m
Woodbine Beach	20.6°C	24°C		0.57 m
Kew Beach	20.6°C	24°C		0.57 m
Kew Balmy Beach	20.6°C	24°C		0.57 m
Oakville	21°C	23°C		0.37 m

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Our report for Port Dalhousie 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.