Algonac water temp

This data the coastal Algonac 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 Algonac

Water temperature in Algonac today is 69.3°F. Based on our historical data over a period of ten years, the warmest water in this day in the Lake St. Clair near Algonac was recorded in 2021 and was 71.4°F, and the coldest was recorded in 2013 at 66.7°F. Water temperature in Algonac is expected to drop to 66.9°F in the next 10 days. September average water temperature in Algonac is 69.4°F, the minimum temperature is 60.8°F, and the maximum is 77.9°F.

The swimming season in Algonac lasts from June to September. During those months, Algonac water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Algonac in winter reaches 35.2°F, in spring 45°F, in summer the average temperature rises to 71.8°F, and in autumn it is 58.1°F.

Algonac water temperature now

Surf Forecast in Algonac 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 Algonac. 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 Algonac. Data in table shown for September 16, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Algonac

Algonac weather forecast

Current temperature and weather

Data in a table show Algonac temperature today (September 16, 2025). For more information and forecast for a few days, go to the weather forecast Algonac.

0-3 h	3-6 h	6-9 h	9-12 h
63°F	55.9°F	50.9°F	56.5°F

12-15 h	15-18 h	18-21 h	21-24 h
73.8°F	79.5°F	76.3°F	68.5°F

Algonac water temperature by month

These figures shows the average, minimum and maximum monthly water temperature in Algonac. 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 Algonac 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 Algonac

The nearest beaches and cities from Algonac 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
St. Clair River (Port Lambton)	69.1°F	78.8°F		0' 4"
Mitchell's Bay	70.2°F	75.2°F		0' 2"
Marine City	67.6°F	82.4°F		0' 2"
Goose Bay	67.6°F	82.4°F		0' 2"
Pearl Beach	67.5°F	80.6°F		0' 2"
Anchor Bay	67.8°F	80.6°F		0' 2"
Harrison Township	68.9°F	75.2°F		0' 3"
Grosse Pointe Farms	69.1°F	75.2°F		0' 4"
New Baltimore	68.2°F	80.6°F		0' 2"
Saint Clair Shores	69.1°F	77°F		0' 3"

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Our report for Algonac 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.