South Cape Beach water temp

This data the coastal South Cape Beach sea 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 sea temperature in South Cape Beach

Water temperature in South Cape Beach today is 70.7°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near South Cape Beach was recorded in 2018 and was 75.2°F, and the coldest was recorded in 2007 at 66.2°F. Sea water temperature in South Cape Beach is expected to drop to 69.4°F in the next 10 days. September average water temperature in South Cape Beach is 68.7°F, the minimum temperature is 62.6°F, and the maximum is 75.4°F.

The swimming season in South Cape Beach lasts from July to September. During those months, South Cape Beach water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in South Cape Beach in winter reaches 40.1°F, in spring 46°F, in summer the average temperature rises to 68.9°F, and in autumn it is 61°F.

South Cape Beach water temperature now

The sea salinity in South Cape Beach is 31.73‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in South Cape Beach 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 South Cape Beach. 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 South Cape Beach. 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)

Surf report in South Cape Beach

South Cape Beach weather forecast

Current temperature and weather

Data in a table show South Cape Beach temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast South Cape Beach.

0-3 h	3-6 h	6-9 h	9-12 h
64.6°F	65.7°F	68.2°F	69.3°F

12-15 h	15-18 h	18-21 h	21-24 h
70.5°F	72.1°F	71.1°F	70°F

South Cape Beach water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in South Cape Beach. 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 South Cape Beach 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 South Cape Beach

The nearest beaches and cities from South Cape Beach with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
East Falmouth	70.3°F	71.6°F		1' 9"
Menauhant Beach	70.3°F	71.6°F		1' 9"
Popponesset	71.6°F	73.4°F		1' 10"
Vineyard Haven	70°F	71.6°F		1' 10"
Surf Drive Beach	70°F	71.6°F		1' 10"
Nobska Beach	70°F	71.6°F		1' 10"
Falmouth	70.5°F	71.6°F		1' 8"
Teaticket	70.5°F	71.6°F		1' 8"
Chapoquoit Beach	70.5°F	71.6°F		1' 8"
Woodneck Beach	70.5°F	71.6°F		1' 8"

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South Cape Beach State Park

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Our report for South Cape Beach is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.