Water temperature in Grand Beach

This data the coastal Grand Beach 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 Grand Beach

Water temperature in Grand Beach today is 17.9°C. Based on our historical data over a period of ten years, the warmest water in this day in Grand Beach was recorded in 2024 and was 17.5°C, and the coldest was recorded in 2018 at 12.1°C. Water temperature in Grand Beach is expected to drop to 12.4°C in the next 10 days. September average water temperature in Grand Beach is 17°C, the minimum temperature is 10.9°C, and the maximum is 22°C.

The swimming season in Grand Beach lasts from July to August. During those months, Grand Beach water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Grand Beach in winter reaches 0.6°C, in spring 2.4°C, in summer the average temperature rises to 19.9°C, and in autumn it is 10.2°C.

Grand Beach water temperature now

Surf Forecast in Grand Beach 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 Grand Beach. 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 Grand Beach. 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 Grand Beach

Grand Beach weather forecast

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
8.5°C	6.6°C	5.6°C	10.8°C

12-15 h	15-18 h	18-21 h	21-24 h
18.8°C	21.5°C	20.3°C	15.8°C

Grand Beach water temperature by month

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

The nearest beaches and cities from Grand Beach 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
Grand Marais	17.9°C	22°C		0.29 m
Balsam Harbour	17.8°C	22°C		0.23 m
Victoria Beach	17.8°C	22°C		0.35 m
Albert Beach	18.1°C	22°C		0.27 m
Winnipeg Beach	17.4°C	21°C		0.24 m
Gimli	17.4°C	21°C		0.34 m
Hecla Island	17.8°C	20°C		0.39 m
Delta Beach	18.1°C	22°C		0.35 m
Clearwater Bay	18.9°C	18°C
Kenora	18.9°C	18°C

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Grand Beach Provincial Park

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Our report for Grand Beach 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.