World sea water temperatures

Water temperature in Simmons Island Beach (WI) in August

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Is it warm enough to swim in Simmons Island Beach in August? Average water temperature in Simmons Island Beach in August is 71.8°F and therefore suitable for comfortable swimming. The warmest water in Simmons Island Beach in August is 76.8°F, and the coldest is 59°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Simmons Island Beach

Changes water temperature in Simmons Island Beach in August 2025, 2024

To get an accurate forecast for the water temperature in Simmons Island Beach for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Simmons Island Beach, 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 172.1°F75°F65.7°F75.6°F
August 271.8°F74.5°F65.3°F75.9°F
August 371.2°F75.4°F60.4°F76.5°F
August 470.9°F76.3°F59.4°F76.6°F
August 572°F76.3°F60.4°F76.3°F
August 673.6°F74.7°F65.7°F76.5°F
August 773.6°F74.1°F61.9°F76.6°F
August 874.3°F74.1°F59°F76.8°F
August 974.1°F73.2°F61.2°F75.9°F
August 1071.6°F72.9°F63.7°F76.3°F
August 1173°F72.5°F65.8°F76.3°F
August 1272.5°F72.5°F66.6°F75.7°F
August 1372°F72.9°F62.4°F76.5°F
August 1473.9°F73.4°F63.3°F76.5°F
August 1574.7°F72.9°F65.8°F76.3°F
Day 2025 2024 Min Max
August 1675.9°F73°F68°F76.8°F
August 1773.9°F72.9°F68.4°F76.6°F
August 1875°F73.2°F68.4°F76.6°F
August 1973.4°F72.7°F67.3°F76.3°F
August 2072.5°F72.5°F65.3°F76.1°F
August 2173.4°F72.1°F67.6°F75.4°F
August 2273°F72°F69.6°F74.3°F
August 2373.2°F72°F69.4°F74.3°F
August 2472.3°F72.7°F69.3°F75°F
August 2571.6°F73.9°F68.4°F75.9°F
August 2671.1°F74.3°F67.1°F75.6°F
August 2771.1°F74.8°F67.5°F76.1°F
August 2870.7°F73.9°F67.5°F75.9°F
August 2970.7°F73°F67.5°F75°F
August 3070.9°F73.2°F67.6°F75.7°F
August 3170.3°F73.9°F68°F73.9°F
Simmons Island Beach water temp chart in August

Average water temperature in Simmons Island Beach in August over a decade

20162017201820192020
74.7°F70.5°F73°F72.3°F73°F
20212022202320242025
72.5°F66.6°F72.1°F73.6°F72.7°F

Simmons Island Beach sea state in August

Chart comparing the height of waves in Simmons Island Beach 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 Simmons Island Beach in August

Simmons Island Beach 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
Oak Creek70.5°F63°F75.7°F
Highland Park72.7°F67.1°F77.2°F
Tower Road Beach72.7°F67.3°F77.4°F
Glencoe72.7°F67.3°F77.4°F
Milwaukee69.6°F58.3°F75.6°F
Bradford Beach69.6°F58.3°F75.6°F
Winnetka72.7°F66.7°F77.4°F
Shorewood69.4°F55.4°F75.7°F
Wilmette72.9°F66.4°F77.4°F
Whitefish Bay69.1°F52.2°F75.7°F

Wisconsin photo gallery

  • North of Oak Creek Power Plant (zoom to see it's smoke stacks)
  • Green Flash seen from Bradford Beach

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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 Simmons Island Beach 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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