Sea water temperature in some cities of Cape Cod Bay is above 20°C and it is enough for comfortable bathing. The warmest sea temperature in Cape Cod Bay today is 21.3°C (in Barnstable), and the coldest water temperature is 19°C (Green Harbor).
Below are the cities and resorts in Cape Cod Bay with the values of water temperature today and yesterday. Also indicated are the maximum and minimum water temperatures that were recorded this month for the last ten years. Presented weather data are now available for each of the resorts. For more detailed information about water temperature, surf forecast, weather and time of sunrise and sunset in any specific area of your interest, just click on a city name. For ease of search, all places are also grouped by the first letter of the name.
Today, the highest waves along the entire coast of Cape Cod Bay are expected at Cold Storage Beach (Truro), reaching a height of 0.88 m (2' 11"). The calmest seas can be found at White Horse Beach, with an average wave height of 0.4 m (1' 4"). If you want to see the 10-day sea forecast, choose the city you are interested in.
To find out what the water temperature was in Cape Cod Bay any day over a period of the last ten years, select the month.