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Water temperature in Port Clinton (OH) in August

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Is it warm enough to swim in Port Clinton in August? Average water temperature in Port Clinton in August is 76.6°F and therefore suitable for comfortable swimming. The warmest water in Port Clinton in August is 82.2°F, and the coldest is 71.6°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Port Clinton

Changes water temperature in Port Clinton in August 2025, 2024

To get an accurate forecast for the water temperature in Port Clinton 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 Clinton, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of August.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
August 176.8°F80.4°F73.6°F80.4°F
August 276.3°F80.2°F73.8°F80.2°F
August 376.3°F81°F74.3°F81.1°F
August 476.6°F82.2°F74.3°F82.2°F
August 577°F82°F73.9°F82°F
August 677.5°F80.6°F73.9°F81°F
August 778.3°F78.3°F74.3°F80.8°F
August 878.4°F78.1°F74.5°F80.6°F
August 978.4°F78.3°F74.7°F80.2°F
August 1079.2°F76.5°F74.1°F80.6°F
August 1179.9°F74.7°F73.9°F80.8°F
August 1279.9°F75°F74.1°F80.8°F
August 1380.4°F75.6°F73.8°F81.3°F
August 1481°F75.9°F73.2°F81°F
August 1581.1°F75.6°F72.3°F81.1°F
Day 2025 2024 Min Max
August 1681.9°F75°F72.9°F81.9°F
August 1781.1°F75.2°F72.9°F81.1°F
August 1880.2°F75.9°F72.7°F80.2°F
August 1979°F74.8°F73.4°F79°F
August 2077.4°F72.1°F72.1°F78.4°F
August 2175.2°F71.6°F71.6°F78.8°F
August 2275.6°F72.3°F72.3°F79.3°F
August 2374.7°F72.3°F72.3°F81.1°F
August 2474.3°F72.7°F72.7°F81.3°F
August 2573.2°F73.6°F73.2°F80.2°F
August 2672.1°F74.7°F72.1°F80.2°F
August 2772.1°F75.4°F72.1°F81.3°F
August 2870.5°F75.7°F70.5°F81.3°F
August 2969.8°F76.5°F69.8°F81.9°F
August 3068.5°F78.4°F68.5°F79.3°F
August 3168.9°F77.9°F68.9°F78.6°F
Port Clinton water temp chart in August

Average water temperature in Port Clinton in August over a decade

20162017201820192020
79.2°F75°F77°F76.8°F77.5°F
20212022202320242025
78.4°F77.4°F75.9°F76.5°F77.4°F

Port Clinton sea state in August

Chart comparing the height of waves in Port Clinton in August 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 Clinton in August

Port Clinton 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 August?

Want to know where the water temperature in August 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 August. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Catawba Island76.3°F72°F81.5°F
Put-in-Bay76.3°F72.1°F81.5°F
Lakeside Marblehead76.1°F72.3°F81.3°F
Kelleys Island76.1°F72.3°F81°F
Sandusky76.1°F72.1°F80.6°F
Cedar Point76.1°F72.1°F80.6°F
Huron75.9°F71.8°F80.4°F
Pelee Island75.7°F71.1°F80.6°F
Rossford76.3°F71.8°F81.9°F
Toledo76.3°F71.8°F81.9°F

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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 Clinton 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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