Manns Harbor water temp
This data the coastal Manns Harbor ocean 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 ocean temperature in Manns Harbor
Water temperature in Manns Harbor today is 75.4°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Manns Harbor was recorded in 2018 and was 85.5°F, and the coldest was recorded in 2011 at 76.3°F. Sea water temperature in Manns Harbor is expected to rise to 77.5°F in the next 10 days. September average water temperature in Manns Harbor is 77.2°F, the minimum temperature is 70.5°F, and the maximum is 85.6°F.
The swimming season in Manns Harbor lasts from May to October. During those months, Manns Harbor water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Manns Harbor in winter reaches 51.1°F, in spring 60.4°F, in summer the average temperature rises to 79.9°F, and in autumn it is 69.3°F.
Manns Harbor water temperature now
| September 5, 2025 |
|---|
| today temp |
| 75.4°F |
| September 4, 2025 |
|---|
| yesterday temp |
| 75.6°F |
The ocean salinity in Manns Harbor is 30.48‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Manns Harbor 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 Manns Harbor. 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 Manns Harbor. Data in table shown for September 5, 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 |
|---|---|---|---|
| 1' 7" | 1' 5" | 1' 3" | 1' 2" |
| 0.47 m | 0.44 m | 0.39 m | 0.36 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 1' 1" | 1' 3" | 1' 5" | 1' 3" |
| 0.34 m | 0.38 m | 0.42 m | 0.37 m |
Surf report in Manns Harbor
Manns Harbor weather forecast
Current temperature and weather
Data in a table show Manns Harbor temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Manns Harbor.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 74.8°F | 74.5°F | 74.3°F | 76.3°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | | |
| 81.3°F | 81°F | 78.4°F | 75.9°F |
You may also be interested in other sections of our site for Manns Harbor: Sunrise and Sunset, Tides
Manns Harbor water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Manns Harbor. 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 Manns Harbor 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 | 50.4°F | 33.8°F | 62.4°F | cold |
| Ocean water temperature in Manns Harbor in January | ||||
| February | 48.7°F | 39.4°F | 59.9°F | cold |
| Ocean water temperature in Manns Harbor in February | ||||
| March | 52°F | 43.3°F | 62.8°F | cold |
| Ocean water temperature in Manns Harbor in March | ||||
| April | 60.3°F | 48.4°F | 69.8°F | cold |
| Ocean water temperature in Manns Harbor in April | ||||
| May | 68.9°F | 55.9°F | 81.7°F | warm |
| Ocean water temperature in Manns Harbor in May | ||||
| June | 77.2°F | 66.2°F | 88°F | hot |
| Ocean water temperature in Manns Harbor in June | ||||
| July | 81.3°F | 74.5°F | 88.2°F | hot |
| Ocean water temperature in Manns Harbor in July | ||||
| August | 81°F | 75.9°F | 86.9°F | hot |
| Ocean water temperature in Manns Harbor in August | ||||
| September | 77.2°F | 70.5°F | 85.6°F | hot |
| Ocean water temperature in Manns Harbor in September | ||||
| October | 69.8°F | 62.2°F | 80.1°F | warm |
| Ocean water temperature in Manns Harbor in October | ||||
| November | 60.8°F | 49.6°F | 70.2°F | cold |
| Ocean water temperature in Manns Harbor in November | ||||
| December | 54°F | 41.4°F | 62.8°F | cold |
| Ocean water temperature in Manns Harbor in December | ||||
Chart monthly average water temperature in Manns Harbor
