Water temperature in Cul-de-Sac

This data the coastal Cul-de-Sac 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 Cul-de-Sac

Water temperature in Cul-de-Sac today is 30.3°C. Based on our historical data over a period of ten years, the warmest water in this day in the Caribbean Sea near Cul-de-Sac was recorded in 2024 and was 30.5°C, and the coldest was recorded in 2011 at 28.5°C. Sea water temperature in Cul-de-Sac is expected to drop to 29.2°C in the next 10 days. September average water temperature in Cul-de-Sac is 29.1°C, the minimum temperature is 27.8°C, and the maximum is 30.8°C.

The swimming season in Cul-de-Sac lasts from January to December, twelve months per year! During those months, Cul-de-Sac water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Cul-de-Sac 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 28.9°C.

Cul-de-Sac water temperature now

The sea salinity in Cul-de-Sac is 36.45‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Cul-de-Sac 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 Cul-de-Sac. 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 Cul-de-Sac. Data in table shown for 30 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Cul-de-Sac

Cul-de-Sac weather forecast

Current temperature and weather

Data in a table show Cul-de-Sac temperature today (30 September 2025). For more information and forecast for a few days, go to the weather forecast Cul-de-Sac.

0-3 h	3-6 h	6-9 h	9-12 h
28.8°C	28.9°C	28.9°C	28.7°C

12-15 h	15-18 h	18-21 h	21-24 h
29°C	29.1°C	29.1°C	29°C

Cul-de-Sac water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Cul-de-Sac. 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 Cul-de-Sac 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 Cul-de-Sac

The nearest beaches and cities from Cul-de-Sac 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
Sandy Ground	30.1°C	29°C		0.87 m
Mullet Bay	30.1°C	29°C		0.87 m
Sandy Ground	30°C	29°C		0.84 m
Blowing Point	30°C	29°C		0.84 m
Rendezvous Bay	30°C	29°C		0.84 m
Meads Bay Beach	30°C	29°C		0.84 m
The Valley	30°C	29°C		0.84 m
Crocus Bay Beach	30°C	29°C		0.84 m
Stoney Ground	30°C	29°C		0.84 m
East End	29.9°C	29°C		1 m

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Our report for Cul-de-Sac 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.