Cuttyhunk Island water temp
This data the coastal Cuttyhunk Island 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 Cuttyhunk Island
Water temperature in Cuttyhunk Island today is 66.9°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Cuttyhunk Island was recorded in 2021 and was 69.3°F, and the coldest was recorded in 2013 at 63.3°F. Sea water temperature in Cuttyhunk Island is expected to drop to 64°F in the next 10 days. September average water temperature in Cuttyhunk Island is 66.9°F, the minimum temperature is 62.8°F, and the maximum is 71.8°F.
The swimming season in Cuttyhunk Island lasts from July to September. During those months, Cuttyhunk Island water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Cuttyhunk Island in winter reaches 42.8°F, in spring 45.5°F, in summer the average temperature rises to 66.4°F, and in autumn it is 61.3°F.
Cuttyhunk Island water temperature now
| September 25, 2025 |
|---|
| today temp |
| 66.9°F |
| September 24, 2025 |
|---|
| yesterday temp |
| 66.7°F |
The ocean salinity in Cuttyhunk Island is 29.64‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Cuttyhunk Island 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 Cuttyhunk Island. 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 Cuttyhunk Island. Data in table shown for September 25, 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 |
|---|---|---|---|
| 2' 4" | 2' 2" | 2' 2" | 2' 2" |
| 0.71 m | 0.67 m | 0.65 m | 0.67 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 2' 5" | 2' 9" | 3' 1" | 3' 9" |
| 0.73 m | 0.83 m | 0.94 m | 1.14 m |
Surf report in Cuttyhunk Island
Cuttyhunk Island weather forecast
Current temperature and weather
Data in a table show Cuttyhunk Island temperature today (September 25, 2025). For more information and forecast for a few days, go to the weather forecast Cuttyhunk Island.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | | |
| 65.1°F | 65.3°F | 65.8°F | 66.9°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | |  |
| 68°F | 68°F | 68.4°F | 68.5°F |
You may also be interested in other sections of our site for Cuttyhunk Island: Sunrise and Sunset, Tides
Cuttyhunk Island water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Cuttyhunk Island. 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 Cuttyhunk Island 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
Chart monthly average water temperature in Cuttyhunk Island
