Newport (RI) water temp
This data the coastal Newport 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 Newport
Water temperature in Newport today is 68.9°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Newport was recorded in 2023 and was 73°F, and the coldest was recorded in 2007 at 66.6°F. Sea water temperature in Newport is expected to drop to 68.2°F in the next 10 days. September average water temperature in Newport is 67.8°F, the minimum temperature is 63.3°F, and the maximum is 73.9°F.
The swimming season in Newport lasts from July to September. During those months, Newport water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Newport in winter reaches 43.2°F, in spring 46°F, in summer the average temperature rises to 67.8°F, and in autumn it is 61.9°F.
Newport water temperature now
| September 5, 2025 |
|---|
| today temp |
| 68.9°F |
| September 4, 2025 |
|---|
| yesterday temp |
| 68.2°F |
The ocean salinity in Newport is 30.12‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Newport 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 Newport. 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 Newport. 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)
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
| 2' 3" | 2' 4" | 2' 6" | 2' 9" |
| 0.68 m | 0.72 m | 0.77 m | 0.85 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 3' 2" | 3' 7" | 3' 11" | 4' 4" |
| 0.97 m | 1.09 m | 1.19 m | 1.31 m |
Surf report in Newport
Newport weather forecast
Current temperature and weather
Data in a table show Newport temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Newport.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 |  | | |
| 68°F | 68.5°F | 68.5°F | 69.4°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | | |
| 70.9°F | 70.7°F | 69.6°F | 69.4°F |
You may also be interested in other sections of our site for Newport: Sunrise and Sunset, Tides
Newport water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Newport. 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 Newport 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
| Month | Avr | Min | Max | |
|---|---|---|---|---|
| January | 42.4°F | 37°F | 48.4°F | cold |
| Ocean water temperature in Newport in January | ||||
| February | 39.2°F | 32.9°F | 45°F | cold |
| Ocean water temperature in Newport in February | ||||
| March | 40.1°F | 33.4°F | 50°F | cold |
| Ocean water temperature in Newport in March | ||||
| April | 44.8°F | 36.5°F | 52.5°F | cold |
| Ocean water temperature in Newport in April | ||||
| May | 53.2°F | 45.5°F | 64.6°F | cold |
| Ocean water temperature in Newport in May | ||||
| June | 62.2°F | 55.4°F | 69.8°F | cold |
| Ocean water temperature in Newport in June | ||||
| July | 70°F | 63.1°F | 75.2°F | warm |
| Ocean water temperature in Newport in July | ||||
| August | 71.1°F | 65.7°F | 77.9°F | warm |
| Ocean water temperature in Newport in August | ||||
| September | 67.8°F | 63.3°F | 73.9°F | cold |
| Ocean water temperature in Newport in September | ||||
| October | 62.4°F | 55.6°F | 68°F | cold |
| Ocean water temperature in Newport in October | ||||
| November | 55.2°F | 48.7°F | 62.1°F | cold |
| Ocean water temperature in Newport in November | ||||
| December | 47.8°F | 42.1°F | 54.5°F | cold |
| Ocean water temperature in Newport in December | ||||
Chart monthly average water temperature in Newport
