Falmouth (Cape Cod) water temp

This data the coastal Falmouth 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 Falmouth

Water temperature in Falmouth today is 68.2°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Falmouth was recorded in 2021 and was 72°F, and the coldest was recorded in 2008 at 64.4°F. Sea water temperature in Falmouth is expected to drop to 64.9°F in the next 10 days. September average water temperature in Falmouth is 68.7°F, the minimum temperature is 63°F, and the maximum is 75.6°F.

The swimming season in Falmouth lasts from July to September. During those months, Falmouth water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Falmouth in winter reaches 40.3°F, in spring 46°F, in summer the average temperature rises to 68.7°F, and in autumn it is 61.3°F.

Falmouth water temperature now

The sea salinity in Falmouth is 29.23‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Falmouth 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 Falmouth. 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 Falmouth. Data in table shown for September 24, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Falmouth

Falmouth weather forecast

Current temperature and weather

Data in a table show Falmouth temperature today (September 24, 2025). For more information and forecast for a few days, go to the weather forecast Falmouth.

0-3 h	3-6 h	6-9 h	9-12 h
67.1°F	66.7°F	64.8°F	66.6°F

12-15 h	15-18 h	18-21 h	21-24 h
67.5°F	66.6°F	65.7°F	65.3°F

Falmouth water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Falmouth. 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 Falmouth 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 Falmouth

The nearest beaches and cities from Falmouth 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
Teaticket	68.2°F	66.2°F		1' 0"
Chapoquoit Beach	68.2°F	66.2°F		1' 0"
Woodneck Beach	68.2°F	66.2°F		1' 0"
West Falmouth	68.4°F	66.2°F		1' 2"
Vineyard Haven	68°F	66.2°F		1' 3"
Surf Drive Beach	68°F	66.2°F		1' 3"
Nobska Beach	68°F	66.2°F		1' 3"
Trunk River Beach	68°F	66.2°F		1' 3"
Woods Hole	68.2°F	66.2°F		1' 5"
Buzzards Bay	68.4°F	66.2°F		1' 2"

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Falmouth Heights Beach

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Our report for Falmouth 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.