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Water temperature in Port Sanilac (MI) in April

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Is it warm enough to swim in Port Sanilac in April? Average water temperature in Port Sanilac in April is 37.6°F and therefore is not suitable for comfortable swimming. The warmest water in Port Sanilac in April is 43.5°F, and the coldest is 31.6°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Port Sanilac

Changes water temperature in Port Sanilac in April 2025, 2024

To get an accurate forecast for the water temperature in Port Sanilac for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Port Sanilac, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of April.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
April 135.4°F37.6°F32.9°F38.1°F
April 235.2°F37.2°F31.6°F38.1°F
April 337.8°F37.8°F31.6°F38.3°F
April 437.4°F37.8°F31.6°F38.7°F
April 536.9°F37.8°F32.4°F38.1°F
April 636.9°F38.7°F32.5°F39.2°F
April 738.1°F39°F34.2°F41.7°F
April 838.1°F40.1°F34.2°F40.1°F
April 937.6°F40.3°F34°F40.3°F
April 1037.4°F39.7°F33.8°F39.7°F
April 1137.9°F39.4°F33.3°F39.6°F
April 1237.2°F39°F33.1°F40.5°F
April 1337.2°F40.5°F33.6°F41.7°F
April 1439.4°F41.5°F33.6°F41.5°F
April 1539.2°F43.2°F33.6°F43.2°F
Day 2025 2024 Min Max
April 1639.2°F42.1°F33.4°F42.1°F
April 1739°F41.7°F33.4°F41.7°F
April 1838.7°F41.9°F33.3°F41.9°F
April 1938.5°F42.8°F34°F42.8°F
April 2039.7°F42.3°F34.2°F42.3°F
April 2140.3°F42.8°F34.2°F42.8°F
April 2239.9°F42.6°F33.3°F42.6°F
April 2340.6°F40.5°F34.2°F41.2°F
April 2442.1°F42.3°F34.7°F42.3°F
April 2539.9°F42.3°F35.2°F42.3°F
April 2642.4°F41.4°F35.6°F43.5°F
April 2742.4°F41.5°F35.2°F42.4°F
April 2840.6°F43°F36.3°F43°F
April 2939.9°F42.3°F36.5°F42.3°F
April 3041.2°F42.4°F36.1°F42.8°F
Port Sanilac water temp chart in April

Average water temperature in Port Sanilac in April over a decade

20162017201820192020
36.9°F36.5°F34.2°F37.6°F38.5°F
20212022202320242025
39.6°F37.4°F38.8°F40.6°F38.8°F

Port Sanilac sea state in April

Chart comparing the height of waves in Port Sanilac in April over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Port Sanilac in April

Port Sanilac water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in April?

Want to know where the water temperature in April is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in April. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Fort Gratiot Township37.2°F31.8°F43°F
Lexington38.5°F31.8°F45.9°F
Lakeport37.6°F32°F43.9°F
Sarnia37.6°F32°F45.1°F
Canatara Beach37.6°F32°F45.1°F
Point Edward37.6°F32°F45.1°F
Port Huron37.8°F31.8°F46°F
Brights Grove37.8°F31.8°F46°F
Highland Glen38.3°F31.3°F47.3°F
Kennedy Acres38.3°F31.3°F47.3°F

Port Sanilac photo gallery

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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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.

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