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Based on average water temperature observations over the past ten years, the warmest water temperature in Lake Michigan in July was 74.3°F (in Green Bay), and the coldest 63.7°F (in Kewaunee). To find out the sea temperature today and in the coming days, go to Current sea temperature in Lake Michigan.
- Lake Michigan
The warmest water temperature in Lake Michigan today is...
- Lake Michigan
The warmest water temperature in Lake Michigan today is 70.5°F (Two Rivers), and the coldest temperature is 62.1°F (Manistee). The highest waves on Lake Michigan today will be 0' 7" in Shoreham, and the calmest water will be 0' 1" in Suamico.
Minimum water temperature in Lake Michigan in July is 55°F, maximum - 73°F. In recent years, at the beginning of the month, the temperature value here is at around 60°F, and by the end of the month the water warms up to 71°F.
Time/Date: Water Temperature Nowcast. This near surface water temperature animation was created from the latest LMHOFS nowcast for the Lake Michigan. The nowcast is for the most recent surface water temperature as simulated by LMHOFS when it is forced by recent observations and reanalysis products.
The average air temperature is around 72.5°F / 22.5°C, August is the hottest month in a year. February is the coolest with 25.3°F / -3.7°C average air temperature. Hot-summer humid continental climate would be the climate here. July, June, August, September would be the best time to visit.
NOAAPORT Realtime Weather Data and Marine Observations for the Great Lakes region are acquired by the NOAA CoastWatch Great Lakes node via satellite at hourly intervals.
Average annual water temperature on the coast in Lake Michigan is 48°F, by the seasons: in winter 38°F, in spring 38°F, in summer 62°F, in autumn 54°F. Minimum water temperature (34°F) in Lake Michigan it happens in March, maximum (73°F) in July.
