This data the coastal Grosse Ile 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.
Water temperature in Grosse Ile today is 69.6°F. Based on our historical data over a period of ten years, the warmest water in this day in the Lake Erie near Grosse Ile was recorded in 2018 and was 77°F, and the coldest was recorded in 2017 at 66.9°F. Water temperature in Grosse Ile is expected to drop to 69.4°F in the next 10 days. September average water temperature in Grosse Ile is 69.8°F, the minimum temperature is 60.8°F, and the maximum is 77.5°F.
The swimming season in Grosse Ile lasts from June to September. During those months, Grosse Ile water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Grosse Ile in winter reaches 35.6°F, in spring 45.7°F, in summer the average temperature rises to 71.8°F, and in autumn it is 58.3°F.
September 5, 2025 |
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today temp |
69.6°F |
September 4, 2025 |
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yesterday temp |
69.3°F |
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 Grosse Ile. 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 Grosse Ile. Data in table shown for September 6, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
0' 8" | 0' 4" | 0' 8" | 2' 1" |
0.21 m | 0.11 m | 0.2 m | 0.63 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
2' 8" | 2' 6" | 2' 2" | 1' 11" |
0.82 m | 0.75 m | 0.66 m | 0.58 m |
Data in a table show Grosse Ile temperature today (September 6, 2025). For more information and forecast for a few days, go to the weather forecast Grosse Ile.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
54.5°F | 51.8°F | 54.1°F | 59.4°F |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
70°F | 72.3°F | 68.2°F | 61.5°F |
You may also be interested in other sections of our site for Grosse Ile: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly water temperature in Grosse Ile. 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 Grosse Ile 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
Month | Avr | Min | Max | |
---|---|---|---|---|
January | 34.5°F | 30.6°F | 40.3°F | cold |
Water temperature in Grosse Ile in January | ||||
February | 34.3°F | 30.9°F | 38.1°F | cold |
Water temperature in Grosse Ile in February | ||||
March | 36.7°F | 31.3°F | 46.6°F | cold |
Water temperature in Grosse Ile in March | ||||
April | 44.6°F | 34.5°F | 54.7°F | cold |
Water temperature in Grosse Ile in April | ||||
May | 55.9°F | 44.1°F | 68.4°F | cold |
Water temperature in Grosse Ile in May | ||||
June | 66.9°F | 55.8°F | 75.7°F | cold |
Water temperature in Grosse Ile in June | ||||
July | 74.1°F | 68.2°F | 80.8°F | warm |
Water temperature in Grosse Ile in July | ||||
August | 74.5°F | 69.1°F | 79.5°F | warm |
Water temperature in Grosse Ile in August | ||||
September | 69.8°F | 60.8°F | 77.5°F | warm |
Water temperature in Grosse Ile in September | ||||
October | 58.6°F | 48°F | 69.1°F | cold |
Water temperature in Grosse Ile in October | ||||
November | 46.6°F | 36.5°F | 57.7°F | cold |
Water temperature in Grosse Ile in November | ||||
December | 37.9°F | 32°F | 44.4°F | cold |
Water temperature in Grosse Ile in December |