World sea water temperatures

Dionis Beach water temp

This data the coastal Dionis Beach 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 Dionis Beach

Water temperature in Dionis Beach today is 68.2°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Dionis Beach was recorded in 2021 and was 70.2°F, and the coldest was recorded in 2017 at 65.1°F. Sea water temperature in Dionis Beach is expected to drop to 66.6°F in the next 10 days. September average water temperature in Dionis Beach is 66°F, the minimum temperature is 59.7°F, and the maximum is 71.4°F.

The swimming season in Dionis Beach lasts from July to September. During those months, Dionis Beach water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Dionis Beach in winter reaches 41.4°F, in spring 45.1°F, in summer the average temperature rises to 65.1°F, and in autumn it is 59.5°F.

Dionis Beach water temperature now


September 5, 2025
today temp
68.2°F
September 4, 2025
yesterday temp
66.9°F


The ocean salinity in Dionis Beach is 31.97‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Dionis Beach 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 Dionis Beach. 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 Dionis Beach. 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 h3-6 h6-9 h9-12 h
2' 0"2' 1"2' 3"2' 6"
0.61 m0.64 m0.69 m0.76 m
12-15 h15-18 h18-21 h21-24 h
2' 10"3' 2"3' 7"3' 10"
0.86 m0.97 m1.08 m1.16 m

Surf report in Dionis Beach

Dionis Beach wave height and direction

Dionis Beach weather forecast

Dionis Beach wind speed and direction

Current temperature and weather

Data in a table show Dionis Beach temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Dionis Beach.

0-3 h3-6 h6-9 h9-12 h
65.1°F64.9°F66.2°F67.6°F
12-15 h15-18 h18-21 h21-24 h
68.9°F69.6°F69.6°F69.1°F

You may also be interested in other sections of our site for Dionis Beach: Sunrise and Sunset, Tides

Dionis Beach water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Dionis Beach. 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 Dionis Beach 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

MonthAvrMinMax
January40.6°F34.3°F47.3°Fcold
Ocean water temperature in Dionis Beach in January
February38.3°F30.9°F42.4°Fcold
Ocean water temperature in Dionis Beach in February
March39.7°F32.9°F46.9°Fcold
Ocean water temperature in Dionis Beach in March
April44.4°F37.4°F50.9°Fcold
Ocean water temperature in Dionis Beach in April
May51.3°F45.1°F60.6°Fcold
Ocean water temperature in Dionis Beach in May
June59.2°F52.3°F69.3°Fcold
Ocean water temperature in Dionis Beach in June
July67.1°F60.3°F73.8°Fcold
Ocean water temperature in Dionis Beach in July
August68.9°F63.5°F75.7°Fwarm
Ocean water temperature in Dionis Beach in August
September66°F59.7°F71.4°Fcold
Ocean water temperature in Dionis Beach in September
October60.3°F53.4°F67.1°Fcold
Ocean water temperature in Dionis Beach in October
November52.3°F45.9°F59.9°Fcold
Ocean water temperature in Dionis Beach in November
December45.3°F39°F51.4°Fcold
Ocean water temperature in Dionis Beach in December

Chart monthly average water temperature in Dionis Beach

Water temperature in Dionis Beach

Where is the warmest sea water in the world?

If you want to plan a vacation on the beach and enjoy the warm sea, choose the day of the year, region and the minimum comfortable sea/ocean temperature that interests you. As a result, you will get a list of countries and cities in which the average sea temperature or maximum temperature on this day over the past 10 years exceeds your chosen value

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Nearby beaches and cities

The nearest beaches and cities from Dionis Beach with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

WaterWeatherWave
South Beach66.9°F75.2°F3' 3"
Katama Beach66.9°F75.2°F3' 3"
Edgartown68.7°F71.6°F1' 10"
New Seabury71.1°F73.4°F2' 3"
Dennis Port70.2°F71.6°F2' 4"
Sea Street Beach70.2°F71.6°F2' 4"
Bass River71.4°F71.6°F2' 3"
Smugglers Beach71.4°F71.6°F2' 3"
Bank Street Beach67.6°F71.6°F2' 4"
West Yarmouth72.3°F71.6°F2' 3"

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Dionis Beach is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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