
This data the coastal Mackinaw-City water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.
Water temperature in Mackinaw-City today is 34.5°F. Based on our historical data over a period of ten years, the warmest water in this day in Mackinaw-City was recorded in 2021 and was 36.7°F, and the coldest was recorded in 2015 at 32.9°F. Water temperature in Mackinaw-City is expected to drop to 33.8°F in the next 10 days. January average water temperature in Mackinaw-City is 34.5°F, the minimum temperature is 30.4°F, and the maximum is 38.8°F.
The swimming season in Mackinaw-City lasts from July to August. During those months, Mackinaw-City water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Mackinaw-City in winter reaches 35.4°F, in spring 37.2°F, in summer the average temperature rises to 63.1°F, and in autumn it is 55°F.
| January 10, 2026 |
|---|
| today temp |
| 34.5°F |
| January 9, 2026 |
|---|
| yesterday temp |
| 34.5°F |
Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Mackinaw-City. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Mackinaw-City. Data in table shown for January 10, 2026, time in GMT 0 format (you can change the time zone on the sea state forecast page)
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
| 1' 5" | 0' 9" | 0' 5" | 0' 4" |
| 0.43 m | 0.24 m | 0.13 m | 0.11 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 1' 6" | 2' 4" | 3' 6" | 3' 7" |
| 0.45 m | 0.71 m | 1.06 m | 1.1 m |
Data in a table show Mackinaw-City temperature today (January 10, 2026). For more information and forecast for a few days, go to the weather forecast Mackinaw-City.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
| 30.9°F | 30.6°F | 30.2°F | 29.5°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 30°F | 30.2°F | 30.4°F | 29.1°F |
You may also be interested in other sections of our site for Mackinaw-City: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly water temperature in Mackinaw-City. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Mackinaw-City on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve
| Month | Avr | Min | Max | |
|---|---|---|---|---|
| January | 34.5°F | 30.4°F | 38.8°F | cold |
| Water temperature in Mackinaw-City in January | ||||
| February | 32.7°F | 30.4°F | 35.2°F | cold |
| Water temperature in Mackinaw-City in February | ||||
| March | 32.7°F | 30.6°F | 35.4°F | cold |
| Water temperature in Mackinaw-City in March | ||||
| April | 35.4°F | 31.5°F | 41.7°F | cold |
| Water temperature in Mackinaw-City in April | ||||
| May | 43.7°F | 33.6°F | 54°F | cold |
| Water temperature in Mackinaw-City in May | ||||
| June | 55.4°F | 45.9°F | 64.4°F | cold |
| Water temperature in Mackinaw-City in June | ||||
| July | 66.2°F | 58.8°F | 72.9°F | cold |
| Water temperature in Mackinaw-City in July | ||||
| August | 67.8°F | 60.6°F | 73.4°F | cold |
| Water temperature in Mackinaw-City in August | ||||
| September | 63.1°F | 56.3°F | 70.9°F | cold |
| Water temperature in Mackinaw-City in September | ||||
| October | 55.6°F | 47.5°F | 66°F | cold |
| Water temperature in Mackinaw-City in October | ||||
| November | 46.4°F | 38.8°F | 54.5°F | cold |
| Water temperature in Mackinaw-City in November | ||||
| December | 38.8°F | 31.6°F | 45.5°F | cold |
| Water temperature in Mackinaw-City in December | ||||
