This data the coastal Cold Storage Beach (Dennis) 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.
Water temperature in Cold Storage Beach (Dennis) today is 69.1°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Cold Storage Beach (Dennis) was recorded in 2018 and was 72°F, and the coldest was recorded in 2017 at 63.1°F. Sea water temperature in Cold Storage Beach (Dennis) is expected to drop to 66.4°F in the next 10 days. September average water temperature in Cold Storage Beach (Dennis) is 65.8°F, the minimum temperature is 60.1°F, and the maximum is 72.9°F.
The swimming season in Cold Storage Beach (Dennis) lasts from July to August. During those months, Cold Storage Beach (Dennis) water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Cold Storage Beach (Dennis) in winter reaches 41°F, in spring 45.1°F, in summer the average temperature rises to 66.2°F, and in autumn it is 58.6°F.
September 5, 2025 |
---|
today temp |
69.1°F |
September 4, 2025 |
---|
yesterday temp |
68°F |
The ocean salinity in Cold Storage Beach (Dennis) is 31.18‰, and the average salinity of the World Ocean is 35‰.
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 Cold Storage Beach (Dennis). 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 Cold Storage Beach (Dennis). 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 |
---|---|---|---|
1' 5" | 1' 5" | 1' 5" | 1' 7" |
0.43 m | 0.42 m | 0.43 m | 0.47 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
1' 9" | 2' 0" | 2' 2" | 2' 2" |
0.53 m | 0.61 m | 0.66 m | 0.66 m |
Data in a table show Cold Storage Beach (Dennis) temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Cold Storage Beach (Dennis).
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
63.7°F | 64.6°F | 65.3°F | 66.9°F |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
69.3°F | 70.2°F | 69.3°F | 68.4°F |
You may also be interested in other sections of our site for Cold Storage Beach (Dennis): Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in Cold Storage Beach (Dennis). 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 Cold Storage Beach (Dennis) 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