Harrison Township water temp
This data the coastal Harrison 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.
Current water temperature in Harrison Township
Water temperature in Harrison Township today is 67.8°F. Based on our historical data over a period of ten years, the warmest water in this day in the Lake St. Clair near Harrison Township was recorded in 2017 and was 73°F, and the coldest was recorded in 2012 at 61.7°F. Water temperature in Harrison Township is expected to drop to 62.6°F in the next 10 days. September average water temperature in Harrison Township is 69.1°F, the minimum temperature is 61.2°F, and the maximum is 77°F.
The swimming season in Harrison Township lasts from July to September. During those months, Harrison Township water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Harrison Township in winter reaches 35.8°F, in spring 43.9°F, in summer the average temperature rises to 70.2°F, and in autumn it is 58.1°F.
Harrison Township water temperature now
| September 26, 2025 |
|---|
| today temp |
| 67.8°F |
| September 25, 2025 |
|---|
| yesterday temp |
| 68.4°F |
Surf Forecast in Harrison Township 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 Harrison 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 Harrison Township. Data in table shown for September 26, 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' 1" | 0' 1" | 0' 1" | 0' 1" |
| 0.02 m | 0.02 m | 0.02 m | 0.02 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 0' 0" | 0' 0" | 0' 0" | 0' 1" |
| 0.01 m | 0.01 m | 0.01 m | 0.02 m |
Surf report in Harrison Township
Harrison Township weather forecast
Current temperature and weather
Data in a table show Harrison Township temperature today (September 26, 2025). For more information and forecast for a few days, go to the weather forecast Harrison Township.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 68.9°F | 66.4°F | 64°F | 63.9°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | | |
| 71.6°F | 72.9°F | 75.7°F | 70.3°F |
You may also be interested in other sections of our site for Harrison Township: Sunrise and Sunset, Tides
Harrison Township water temperature by month
These figures shows the average, minimum and maximum monthly water temperature in Harrison 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 Harrison 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 | |
|---|---|---|---|---|
| January | 34.3°F | 28.8°F | 41.7°F | cold |
| Water temperature in Harrison Township in January | ||||
| February | 33.8°F | 30.2°F | 38.3°F | cold |
| Water temperature in Harrison Township in February | ||||
| March | 36.1°F | 31.1°F | 45.5°F | cold |
| Water temperature in Harrison Township in March | ||||
| April | 42.6°F | 33.4°F | 52.9°F | cold |
| Water temperature in Harrison Township in April | ||||
| May | 52.7°F | 42.6°F | 65.1°F | cold |
| Water temperature in Harrison Township in May | ||||
| June | 64.2°F | 53.8°F | 74.1°F | cold |
| Water temperature in Harrison Township in June | ||||
| July | 72.7°F | 64.4°F | 78.4°F | warm |
| Water temperature in Harrison Township in July | ||||
| August | 73.4°F | 67.6°F | 78.8°F | warm |
| Water temperature in Harrison Township in August | ||||
| September | 69.1°F | 61.2°F | 77°F | warm |
| Water temperature in Harrison Township in September | ||||
| October | 58.1°F | 49.5°F | 68.2°F | cold |
| Water temperature in Harrison Township in October | ||||
| November | 47.1°F | 37.2°F | 58.5°F | cold |
| Water temperature in Harrison Township in November | ||||
| December | 39°F | 32°F | 46.4°F | cold |
| Water temperature in Harrison Township in December | ||||
Chart monthly average water temperature in Harrison Township
