Pentwater water temp
This data the coastal Pentwater 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.
Current water temperature in Pentwater
Water temperature in Pentwater today is 65.7°F. Based on our historical data over a period of ten years, the warmest water in this day in Pentwater was recorded in 2017 and was 68.5°F, and the coldest was recorded in 2014 at 58.6°F. Water temperature in Pentwater is expected to drop to 61°F in the next 10 days. September average water temperature in Pentwater is 66.2°F, the minimum temperature is 57.4°F, and the maximum is 74.1°F.
The swimming season in Pentwater lasts from July to September. During those months, Pentwater water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Pentwater in winter reaches 39°F, in spring 39.2°F, in summer the average temperature rises to 63.9°F, and in autumn it is 58.1°F.
Pentwater water temperature now
| September 26, 2025 |
|---|
| today temp |
| 65.7°F |
| September 25, 2025 |
|---|
| yesterday temp |
| 66.2°F |
Surf Forecast in Pentwater for today
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 Pentwater. 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 Pentwater. Data in table shown for September 26, 2025, 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 |
|---|---|---|---|
| 0' 6" | 0' 7" | 0' 10" | 0' 11" |
| 0.15 m | 0.19 m | 0.25 m | 0.27 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 0' 10" | 0' 10" | 1' 7" | 1' 9" |
| 0.25 m | 0.26 m | 0.48 m | 0.54 m |
Surf report in Pentwater
Pentwater weather forecast
Current temperature and weather
Data in a table show Pentwater temperature today (September 26, 2025). For more information and forecast for a few days, go to the weather forecast Pentwater.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 58.6°F | 59°F | 58.1°F | 61.3°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
 |  |  | |
| 66.6°F | 71.2°F | 68.5°F | 64°F |
You may also be interested in other sections of our site for Pentwater: Sunrise and Sunset, Tides
Pentwater water temperature by month
These figures shows the average, minimum and maximum monthly water temperature in Pentwater. 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 Pentwater 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 | 38.5°F | 31.3°F | 43.7°F | cold |
| Water temperature in Pentwater in January | ||||
| February | 35.2°F | 30.6°F | 39.4°F | cold |
| Water temperature in Pentwater in February | ||||
| March | 35.4°F | 30.7°F | 40.5°F | cold |
| Water temperature in Pentwater in March | ||||
| April | 38.3°F | 32.5°F | 45°F | cold |
| Water temperature in Pentwater in April | ||||
| May | 44.1°F | 34.3°F | 58.6°F | cold |
| Water temperature in Pentwater in May | ||||
| June | 55°F | 42.1°F | 67.5°F | cold |
| Water temperature in Pentwater in June | ||||
| July | 67.1°F | 55.6°F | 75.6°F | cold |
| Water temperature in Pentwater in July | ||||
| August | 69.6°F | 55°F | 75.9°F | warm |
| Water temperature in Pentwater in August | ||||
| September | 66.2°F | 57.4°F | 74.1°F | cold |
| Water temperature in Pentwater in September | ||||
| October | 58.1°F | 50°F | 66.4°F | cold |
| Water temperature in Pentwater in October | ||||
| November | 49.8°F | 43.2°F | 58.3°F | cold |
| Water temperature in Pentwater in November | ||||
| December | 43.3°F | 38.5°F | 48.6°F | cold |
| Water temperature in Pentwater in December | ||||
Chart monthly average water temperature in Pentwater
