Sea water temperature throughout Rhode Island is not yet warm enough for swimming and does not exceed 68°F. The warmest ocean temperature in Rhode Island today is 67.8°F (in Jamestown), and the coldest sea temperature is 66.2°F (Tiverton).
Below are the cities and resorts in Rhode Island 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 Rhode Island are expected at Block Island, reaching a height of 4' 0" (1.23 m). The calmest seas can be found at Edgewood Beach, with an average wave height of 0' 6" (0.15 m). 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 Rhode Island any day over a period of the last ten years, select the month.