Water temperature in Grand Bend

This data the coastal Grand Bend 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 Bend

Water temperature in Grand Bend today is 18.5°C. Based on our historical data over a period of ten years, the warmest water in this day in the Lake Huron near Grand Bend was recorded in 2017 and was 21.8°C, and the coldest was recorded in 2012 at 17°C. Water temperature in Grand Bend is expected to drop to 16.8°C in the next 10 days. September average water temperature in Grand Bend is 20°C, the minimum temperature is 16.8°C, and the maximum is 23.1°C.

The swimming season in Grand Bend lasts from July to September. During those months, Grand Bend water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Grand Bend in winter reaches 2.9°C, in spring 4.5°C, in summer the average temperature rises to 19.4°C, and in autumn it is 14.9°C.

Grand Bend water temperature now

Surf Forecast in Grand Bend 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 Bend. 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 Bend. 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 Bend

Grand Bend weather forecast

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
14.8°C	15.4°C	15.1°C	16.6°C

12-15 h	15-18 h	18-21 h	21-24 h
21°C	21.8°C	19.6°C	16.5°C

Grand Bend water temperature by month

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

The nearest beaches and cities from Grand Bend 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
Pinery	18.5°C	21°C		0.14 m
Lambton Shores	18.5°C	21°C		0.16 m
Ipperwash Beach	18.7°C	24°C		0.15 m
Port Franks	18.7°C	24°C		0.15 m
Bayfield	18.8°C	21°C		0.13 m
Kettle Point	18.9°C	24°C		0.15 m
Highland Glen	18.9°C	24°C		0.15 m
Kennedy Acres	18.9°C	24°C		0.15 m
Port Huron	19°C	24°C		0.14 m
Brights Grove	19°C	24°C		0.14 m

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Grand Bend Beach

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Our report for Grand Bend 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.