How warm does the water in Lake Michigan get?

Though not as warm as the oceans, temperatures of Lake Michigan do rise to the high 60s in July and August to make swimming enjoyable, and definitely refreshing! Rarely do temperatures make it to the 70s, unless air temperatures stay up in the 90's for many continuous days.



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Lake Michigan water temperatures Lake Michigan sees its warmest water temperatures typically from late-June through mid-September. It's not uncommon to have surface water temperatures in the 70s and sometimes even low 80s along the West Michigan lakeshore in that same time frame.

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The time of year with warmer water lasts for 2.7 months, from July 5 to September 26, with an average temperature above 65°F. The month of the year in Lake Michigan Beach with the warmest water is August, with an average temperature of 72°F.

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Lake Michigan is generally clean and safe for swimming but it can become contaminated with harmful bacteria.

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Not only is this lake massive - spanning 307 miles in either direction - but its shores also run parallel, causing unique wave shapes. The shapes of these waves are what contribute to rip tides, which are one of the most dangerous things swimmers can encounter in the water.

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The answer is no. Being immersed in, rather than atop, cold water feels different. As fall turns into winter and the thermometer drops, the increasingly cold water starts to feel good, even warm. Wetsuits would only get in the way of this descent into conditions that have become delightful.

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A north-northeast wind has pushed the warmer surface water along the Michigan shore back toward the middle of Lake Michigan and brought up colder water from well beneath the surface. This process is called upwelling.

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Those who brave the frigid feat and swim in the winter are nicknamed “ice monsters.” Lake Michigan continuously cools throughout winter, and with March averaging an annual low of 32.9 degrees, it's the chilliest month for open-water swimming.

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Though not as warm as the oceans, temperatures of Lake Michigan do rise to the high 60s in July and August to make swimming enjoyable, and definitely refreshing!

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Lake Michigan in particular is the roughest of the Great Lakes, and poses a major risk to those thinking of taking a dip.

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According to Leinbach, Michigan's shores simply have science on their side. The winds generally go from west to east in this country, and that means that the warm water in the summer gets pushed to the Michigan side of the lake, he explained. So the water is warmer for swimming and playing and things like that.

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Lake sturgeon are the largest fish in Michigan, and it's not even close. There is a tie for the second-largest fish ever caught in Michigan.

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At the bottom of Lake Michigan, you will find non-fish inhabitants of the lake, such as worms, mollusks, amphipods, and insect larvae. These small creatures provide food for non-native fish such as whitefish, round goby, and perch.

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There are nearly 1,500 shipwrecks sprawled across Lake Michigan's sandy floor, many dating back to the early 1800s! Swallowed by the water from ferocious storms, high waves, or fire, what remains of them now are wooden ribs, frames, and memories.

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Lake Michigan, Huron and Erie have similar temperatures ranging from the upper 60s to lower 70s at their peak. Lake Erie usually warms the fastest.

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Lake Superior is the world's largest freshwater lake by area (31,700 mi2 /82,100 km2). It is also the coldest and deepest of the Great Lakes, with a maximum depth of 406 meters (1,332 feet).

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Lake Michigan water temperatures Lake Michigan sees its warmest water temperatures typically from late-June through mid-September. It's not uncommon to have surface water temperatures in the 70s and sometimes even low 80s along the West Michigan lakeshore in that same time frame.

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Swim in places with lifeguard supervision. Swim only in designated areas. Children should wear life jackets approved by the U.S. Coast Guard. Do not rely on puddle jumpers, arm floaties, air-filled or foam toys.

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