World sea water temperatures

Water temperature in Simmons Island Beach (WI) in May

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Is it warm enough to swim in Simmons Island Beach in May? Average water temperature in Simmons Island Beach in May is 45.9°F and therefore is not suitable for comfortable swimming. The warmest water in Simmons Island Beach in May is 56.7°F, and the coldest is 37°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 May 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 May.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
May 143.5°F46°F37°F46°F
May 243.2°F45.9°F37.6°F45.9°F
May 343.3°F48.4°F39.9°F48.4°F
May 444.1°F49.3°F39.2°F49.3°F
May 543.9°F49.8°F39.4°F49.8°F
May 643°F50.4°F39.6°F50.4°F
May 745°F51.1°F41°F51.1°F
May 844.8°F51.3°F41°F51.3°F
May 944.4°F51.1°F40.8°F51.1°F
May 1044.6°F50.7°F40.8°F50.7°F
May 1145.1°F50.7°F41°F50.7°F
May 1245.9°F50.7°F41°F51.6°F
May 1345.7°F50.9°F40.5°F50.9°F
May 1444.6°F50.4°F41°F50.4°F
May 1544.8°F50.4°F41°F50.4°F
Day 2025 2024 Min Max
May 1645.9°F50.4°F41.4°F50.4°F
May 1745°F50.7°F41.2°F50.9°F
May 1844.6°F52.2°F41.7°F52.2°F
May 1945.7°F53.8°F41.9°F53.8°F
May 2045.1°F54.3°F42.4°F54.3°F
May 2144.8°F54.9°F43.2°F54.9°F
May 2245.7°F51.6°F42.3°F51.8°F
May 2345.9°F50.5°F45.3°F52°F
May 2445.9°F53.1°F44.6°F53.4°F
May 2546.6°F52.9°F45°F54.7°F
May 2649.1°F52.9°F45°F55.2°F
May 2748.2°F49.1°F45°F56.7°F
May 2847.5°F50.9°F45.1°F56.1°F
May 2948°F53.2°F46.9°F56.3°F
May 3049.5°F53.6°F47.5°F55.4°F
May 3148.9°F55°F47.5°F55.8°F
Simmons Island Beach water temp chart in May

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

20162017201820192020
45.7°F44.4°F44.4°F44.6°F43.9°F
20212022202320242025
48°F46.6°F47.8°F51.1°F45.5°F

Simmons Island Beach sea state in May

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

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 May?

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

AvrMinMax
Oak Creek46.4°F38.1°F57°F
Highland Park49.8°F41.5°F61.5°F
Tower Road Beach50.2°F41.9°F62.8°F
Glencoe50.2°F41.9°F62.8°F
Milwaukee45.9°F37.2°F59°F
Bradford Beach45.9°F37.2°F59°F
Winnetka50.7°F42.3°F63.7°F
Shorewood45.7°F36.9°F59.2°F
Wilmette50.4°F42.1°F63.7°F
Whitefish Bay45.5°F36.7°F59.5°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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