Rockport (MA) water temp
This data the coastal Rockport 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 Rockport
Water temperature in Rockport today is 63.7°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Rockport was recorded in 2021 and was 65.7°F, and the coldest was recorded in 2008 at 59°F. Sea water temperature in Rockport is expected to drop to 60.1°F in the next 10 days. September average water temperature in Rockport is 63.5°F, the minimum temperature is 58.5°F, and the maximum is 71.4°F.
The swimming season in Rockport lasts from July to August. During those months, Rockport water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Rockport in winter reaches 42.8°F, in spring 44.2°F, in summer the average temperature rises to 63.5°F, and in autumn it is 57.4°F.
Rockport water temperature now
| September 24, 2025 |
|---|
| today temp |
| 63.7°F |
| September 23, 2025 |
|---|
| yesterday temp |
| 63.3°F |
The ocean salinity in Rockport is 31.05‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Rockport 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 Rockport. 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 Rockport. 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)
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
| 2' 7" | 2' 6" | 2' 4" | 2' 4" |
| 0.78 m | 0.75 m | 0.72 m | 0.7 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 2' 6" | 2' 9" | 3' 3" | 3' 5" |
| 0.75 m | 0.85 m | 0.99 m | 1.03 m |
Surf report in Rockport
Rockport weather forecast
Current temperature and weather
Data in a table show Rockport temperature today (September 24, 2025). For more information and forecast for a few days, go to the weather forecast Rockport.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | | |
| 63.7°F | 62.6°F | 63°F | 63.5°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
 | | |  |
| 62.1°F | 61.7°F | 61.7°F | 62.4°F |
You may also be interested in other sections of our site for Rockport: Sunrise and Sunset, Tides
Rockport water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Rockport. 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 Rockport 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 | 42.3°F | 38.5°F | 47.1°F | cold |
| Ocean water temperature in Rockport in January | ||||
| February | 39.7°F | 36.5°F | 43.5°F | cold |
| Ocean water temperature in Rockport in February | ||||
| March | 39.6°F | 36°F | 47.5°F | cold |
| Ocean water temperature in Rockport in March | ||||
| April | 42.8°F | 37.6°F | 49.8°F | cold |
| Ocean water temperature in Rockport in April | ||||
| May | 50.5°F | 43°F | 62.6°F | cold |
| Ocean water temperature in Rockport in May | ||||
| June | 58.5°F | 48.4°F | 66.9°F | cold |
| Ocean water temperature in Rockport in June | ||||
| July | 65.3°F | 58.5°F | 74.3°F | cold |
| Ocean water temperature in Rockport in July | ||||
| August | 66.7°F | 60.3°F | 73.2°F | cold |
| Ocean water temperature in Rockport in August | ||||
| September | 63.5°F | 58.5°F | 71.4°F | cold |
| Ocean water temperature in Rockport in September | ||||
| October | 57.4°F | 51.3°F | 63.5°F | cold |
| Ocean water temperature in Rockport in October | ||||
| November | 51.1°F | 46.4°F | 56.8°F | cold |
| Ocean water temperature in Rockport in November | ||||
| December | 46.2°F | 41.4°F | 50.7°F | cold |
| Ocean water temperature in Rockport in December | ||||
Chart monthly average water temperature in Rockport
