Water temperature in Cooper Island

This data the coastal Cooper Island sea 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 sea temperature in Cooper Island

Water temperature in Cooper Island today is 29.8°C. Based on our historical data over a period of ten years, the warmest water in this day in the Caribbean Sea near Cooper Island was recorded in 2023 and was 30.1°C, and the coldest was recorded in 2013 at 28.5°C. Sea water temperature in Cooper Island is expected to drop to 29.3°C in the next 10 days. September average water temperature in Cooper Island is 29.2°C, the minimum temperature is 28°C, and the maximum is 30.8°C.

The swimming season in Cooper Island lasts from January to December, twelve months per year! During those months, Cooper Island water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Cooper Island in winter reaches 26.8°C, in spring 26.9°C, in summer the average temperature rises to 28.5°C, and in autumn it is 29°C.

Cooper Island water temperature now

The sea salinity in Cooper Island is 36.28‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Cooper Island 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 Cooper Island. 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 Cooper Island. Data in table shown for 9 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Cooper Island

Cooper Island weather forecast

Current temperature and weather

Data in a table show Cooper Island temperature today (9 September 2025). For more information and forecast for a few days, go to the weather forecast Cooper Island.

0-3 h	3-6 h	6-9 h	9-12 h
28.9°C	28.5°C	28.9°C	28.6°C

12-15 h	15-18 h	18-21 h	21-24 h
29.4°C	28.8°C	28.3°C	28.1°C

Cooper Island water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Cooper Island. 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 Cooper Island 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

Chart monthly average water temperature in Cooper Island

The nearest beaches and cities from Cooper Island 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

	Water	Weather		Wave
Jost Van Dyke	29.9°C	30°C		0.79 m
Maho Bay	29.9°C	30°C		0.84 m
Cinnamon Bay	29.9°C	30°C		0.84 m
Saint John	29.9°C	30°C		0.82 m
Cruz Bay	29.9°C	30°C		0.82 m
Rendezvous Bay	29.9°C	30°C		0.88 m
Coki Beach	29.9°C	30°C		0.8 m
Saint Thomas	29.9°C	30°C		0.77 m
Charlotte Amalie	29.9°C	30°C		0.77 m
Magens Bay Beach	29.9°C	30°C		0.77 m

If you have interesting photos of this place, you can upload them here. Photos will be available to all users after verification by the moderator.

Get widget or API for your website

Our report for Cooper Island 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.