Port Sanilac water temp
This data the coastal Port Sanilac 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 Port Sanilac
Water temperature in Port Sanilac today is 68°F. Based on our historical data over a period of ten years, the warmest water in this day in the Lake Huron near Port Sanilac was recorded in 2018 and was 73.9°F, and the coldest was recorded in 2017 at 66.6°F. Water temperature in Port Sanilac is expected to be constant 68°F in the next 10 days. September average water temperature in Port Sanilac is 68°F, the minimum temperature is 61.5°F, and the maximum is 74.1°F.
The swimming season in Port Sanilac lasts from July to September. During those months, Port Sanilac water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Port Sanilac in winter reaches 36.7°F, in spring 38.8°F, in summer the average temperature rises to 65.7°F, and in autumn it is 58.8°F.
Port Sanilac water temperature now
| September 5, 2025 |
|---|
| today temp |
| 68°F |
| September 4, 2025 |
|---|
| yesterday temp |
| 68°F |
Surf Forecast in Port Sanilac 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 Port Sanilac. 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 Port Sanilac. 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 |
|---|---|---|---|
| 1' 0" | 0' 9" | 1' 0" | 2' 0" |
| 0.31 m | 0.22 m | 0.31 m | 0.6 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 2' 10" | 2' 6" | 2' 2" | 1' 10" |
| 0.86 m | 0.76 m | 0.67 m | 0.55 m |
Surf report in Port Sanilac
Port Sanilac weather forecast
Current temperature and weather
Data in a table show Port Sanilac temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Port Sanilac.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | |  |  |
| 55.8°F | 51.8°F | 54.9°F | 59.2°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
 | | | |
| 65.8°F | 67.5°F | 64.8°F | 55.9°F |
You may also be interested in other sections of our site for Port Sanilac: Sunrise and Sunset, Tides
Port Sanilac water temperature by month
These figures shows the average, minimum and maximum monthly water temperature in Port Sanilac. 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 Port Sanilac 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 | 35.4°F | 29.8°F | 43.5°F | cold |
| Water temperature in Port Sanilac in January | ||||
| February | 32.9°F | 29.5°F | 36.1°F | cold |
| Water temperature in Port Sanilac in February | ||||
| March | 33.8°F | 30°F | 39.6°F | cold |
| Water temperature in Port Sanilac in March | ||||
| April | 37.6°F | 31.6°F | 43.5°F | cold |
| Water temperature in Port Sanilac in April | ||||
| May | 45°F | 36.5°F | 56.3°F | cold |
| Water temperature in Port Sanilac in May | ||||
| June | 57°F | 43.9°F | 68°F | cold |
| Water temperature in Port Sanilac in June | ||||
| July | 68.5°F | 57.7°F | 75.4°F | warm |
| Water temperature in Port Sanilac in July | ||||
| August | 71.2°F | 66.2°F | 77.4°F | warm |
| Water temperature in Port Sanilac in August | ||||
| September | 68°F | 61.5°F | 74.1°F | warm |
| Water temperature in Port Sanilac in September | ||||
| October | 58.8°F | 48.2°F | 67.6°F | cold |
| Water temperature in Port Sanilac in October | ||||
| November | 49.5°F | 42.1°F | 58.6°F | cold |
| Water temperature in Port Sanilac in November | ||||
| December | 41.7°F | 33.4°F | 49.1°F | cold |
| Water temperature in Port Sanilac in December | ||||
Chart monthly average water temperature in Port Sanilac
