This data the coastal Fort Gratiot Township 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 Fort Gratiot Township today is 68.2°F. Based on our historical data over a period of ten years, the warmest water in this day in the Lake Huron near Fort Gratiot Township was recorded in 2018 and was 73.9°F, and the coldest was recorded in 2017 at 66.7°F. Water temperature in Fort Gratiot Township is expected to be constant 68.2°F in the next 10 days. September average water temperature in Fort Gratiot Township is 68.2°F, the minimum temperature is 62.2°F, and the maximum is 73.9°F.
The swimming season in Fort Gratiot Township lasts from July to September. During those months, Fort Gratiot Township water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Fort Gratiot Township in winter reaches 37°F, in spring 38.8°F, in summer the average temperature rises to 66.2°F, and in autumn it is 59°F.
September 5, 2025 |
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today temp |
68.2°F |
September 4, 2025 |
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yesterday temp |
68.2°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 Fort Gratiot Township. 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 Fort Gratiot Township. Data in table shown for September 5, 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' 11" | 0' 8" | 0' 9" | 1' 8" |
0.29 m | 0.2 m | 0.24 m | 0.52 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
2' 6" | 2' 3" | 2' 0" | 1' 8" |
0.76 m | 0.69 m | 0.62 m | 0.5 m |
Data in a table show Fort Gratiot Township temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Fort Gratiot Township.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
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52°F | 49.5°F | 54°F | 58.3°F |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
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67.3°F | 67.6°F | 63.3°F | 54.1°F |
You may also be interested in other sections of our site for Fort Gratiot Township: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly water temperature in Fort Gratiot Township. 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 Fort Gratiot Township 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 | |
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January | 36°F | 28.6°F | 43.5°F | cold |
Water temperature in Fort Gratiot Township in January | ||||
February | 33.1°F | 29.8°F | 36.5°F | cold |
Water temperature in Fort Gratiot Township in February | ||||
March | 33.8°F | 30.4°F | 39.9°F | cold |
Water temperature in Fort Gratiot Township in March | ||||
April | 37.2°F | 31.8°F | 43°F | cold |
Water temperature in Fort Gratiot Township in April | ||||
May | 45.3°F | 37°F | 57.2°F | cold |
Water temperature in Fort Gratiot Township in May | ||||
June | 58.1°F | 46.4°F | 68.5°F | cold |
Water temperature in Fort Gratiot Township in June | ||||
July | 69.1°F | 58.3°F | 75.9°F | warm |
Water temperature in Fort Gratiot Township in July | ||||
August | 71.4°F | 66.7°F | 77.2°F | warm |
Water temperature in Fort Gratiot Township in August | ||||
September | 68.2°F | 62.2°F | 73.9°F | warm |
Water temperature in Fort Gratiot Township in September | ||||
October | 59.2°F | 48.7°F | 67.6°F | cold |
Water temperature in Fort Gratiot Township in October | ||||
November | 49.8°F | 42.6°F | 59°F | cold |
Water temperature in Fort Gratiot Township in November | ||||
December | 42.3°F | 33.4°F | 48.7°F | cold |
Water temperature in Fort Gratiot Township in December |