Water temperature in Humber Bay

This data the coastal Humber Bay 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 Humber Bay

Water temperature in Humber Bay today is 17.9°C. Based on our historical data over a period of ten years, the warmest water in this day in the Lake Ontario near Humber Bay was recorded in 2017 and was 22.4°C, and the coldest was recorded in 2012 at 14.6°C. Water temperature in Humber Bay is expected to drop to 16.4°C in the next 10 days. September average water temperature in Humber Bay is 19.5°C, the minimum temperature is 14.6°C, and the maximum is 23.1°C.

The swimming season in Humber Bay lasts from July to September. During those months, Humber Bay water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Humber Bay in winter reaches 3.7°C, in spring 4.6°C, in summer the average temperature rises to 18.3°C, and in autumn it is 13.8°C.

Humber Bay water temperature now

Surf Forecast in Humber Bay 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 Humber Bay. 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 Humber Bay. 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 Humber Bay

Humber Bay weather forecast

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
17.1°C	15.6°C	14.6°C	15.7°C

12-15 h	15-18 h	18-21 h	21-24 h
20°C	24°C	22.8°C	19.3°C

Humber Bay water temperature by month

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

The nearest beaches and cities from Humber Bay 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
Centre Island Beach	17.9°C	24°C		0.07 m
Kew Balmy Beach	18.1°C	24°C		0.08 m
Niagara-on-the-Lake	18.6°C	23°C		0.11 m
Rouge Beach	18.3°C	21°C		0.08 m
St. Catharines	18.8°C	23°C		0.09 m
Thorold	18.8°C	23°C		0.09 m
Port Dalhousie	18.8°C	23°C		0.09 m
Ajax	18.3°C	21°C		0.14 m
Fifty Point	19°C	23°C		0.06 m
Hamilton	18.6°C	24°C		0.06 m

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Our report for Humber Bay 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.