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 66.7°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 2017 and was 70.7°F, and the coldest was recorded in 2014 at 62.8°F. Water temperature in Port Sanilac is expected to drop to 62.8°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

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 26, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Port Sanilac

Port Sanilac weather forecast

Current temperature and weather

Data in a table show Port Sanilac temperature today (September 26, 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
62.4°F	61.2°F	58.8°F	57.4°F

12-15 h	15-18 h	18-21 h	21-24 h
62.4°F	70°F	69.8°F	66°F

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

Chart monthly average water temperature in Port Sanilac

The nearest beaches and cities from Port Sanilac 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
Fort Gratiot Township	66.2°F	73.4°F		0' 5"
Lexington	66.7°F	73.4°F		0' 5"
Lakeport	66.4°F	73.4°F		0' 5"
Sarnia	66.2°F	71.6°F		0' 6"
Canatara Beach	66.2°F	71.6°F		0' 6"
Point Edward	66.2°F	71.6°F		0' 6"
Port Huron	66.2°F	75.2°F		0' 6"
Brights Grove	66.2°F	75.2°F		0' 6"
Highland Glen	66°F	75.2°F		0' 6"
Kennedy Acres	66°F	75.2°F		0' 6"

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Our report for Port Sanilac 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.