Basseterre Sea Temperature

Looking to find out what the sea water temperature in Basseterre is for today and the next few days? Below are data and charts that will give you information about sea temperatures in Basseterre and nearby locations.

Water temperature in Basseterre right now

Below is the current sea temperature for Basseterre, Saint Kitts and Nevis on 26th September 2023.

28.91° C

(84.04° F)

  • yesterday: 28.95° C (84.11° F)
  • a week ago: 30.32° C (86.58° F)

This water temperature is comparable to that of a swimming pool, but it might be higher than most open water swimmers prefer for serious swimming. Make sure to drink plenty of water before and after swimming and don't wear a wetsuit to avoid overheating.

The average sea temperature for Basseterre on September 26th over the last 10 years is 29.19° C (84.55° F), with a low temperature of 28.4° C (83.12° F) and a high of 29.93° C (85.87° F).

Analysis and forecast for Basseterre water temperatures

The water temperature in Basseterre today is lower than the average temperature of 29.19° C (84.55° F) and the temperature on this day last year, 26th September 2022, was 28.86° C (83.95° F).

The chart and table below shows the change in water temperature in Basseterre over the last 30 days:

Date Temperature (Celsius) Temperature (Fahrenheit)
September 26 28.91° C 84.04° F
September 25 28.95° C 84.11° F
September 24 30.09° C 86.16° F
September 23 30.05° C 86.09° F
September 22 30.07° C 86.13° F
September 21 30.15° C 86.27° F
September 20 30.21° C 86.38° F
September 19 30.32° C 86.58° F
September 18 30.58° C 87.04° F
September 17 30.2° C 86.36° F
September 16 30.02° C 86.04° F
September 15 30.03° C 86.05° F
September 14 29.97° C 85.95° F
September 13 29.71° C 85.48° F
September 12 29.79° C 85.62° F
September 11 29.6° C 85.28° F
September 10 29.88° C 85.78° F
September 9 29.79° C 85.62° F
September 8 29.96° C 85.93° F
September 7 29.91° C 85.84° F
September 6 29.87° C 85.77° F
September 5 29.84° C 85.71° F
September 4 29.68° C 85.42° F
September 3 29.81° C 85.66° F
September 2 29.71° C 85.48° F
September 1 29.82° C 85.68° F
August 31 29.78° C 85.6° F
August 30 29.75° C 85.55° F
August 29 29.81° C 85.66° F
August 28 29.63° C 85.33° F
August 27 29.58° C 85.24° F

The actual nearshore temperatures may vary by several degrees and this can also be heavily affected by weather. Strong winds can cause cold, deep waters to replace the surface waters that had been warmed by the sun, and heavy rain can also reduce the temperature of the sea surface temperature as well.

Water temperature in Basseterre by month

The chart below shows the monthly average water temperature in Basseterre.

For more detailed information on how the sea temperature in Basseterre changes for each month of the year, choose from the months below.

Basseterre map and nearby water temperatures

Locations near Basseterre

The highest temperature in Saint Kitts and Nevis today is 28.91° C (84.04° F) in Basseterre. The lowest is in Dieppe Bay Town, where the temperature of the water is 28.89° C (84° F).

Why measure sea surface temperatures (SST) in Basseterre?

The ocean covers about 71% of the Earth's surface, and scientists record the sea surface temperature (SST) of locations such as Basseterre because they want to understand and learn how the ocean communicates with the atomosphere of Earth.

SST is one measure that provides information on the global climate, and it can be used to predict the weather in Basseterre as well as atmospheric model simulations and to study marine ecosystems in the area.

Data source and citation

Raw data for the calculations made to find the sea surface temperature in Basseterre comes from the National Oceanic and Atmospheric Administration (NOAA) and their 1/4° daily Optimum Interpolation Sea Surface Temperature.

The water temperature data is constructed by combining observations from different platforms (satellites, ships, buoys, and Argo floats) on a regular global grid. A spatially complete sea surface temperature map is then built by interpolating to fill in gaps in the data.

If you'd like to use any of the information above in the format it is presented, please use the citation tool below.

  • "Basseterre Sea Temperature". Accessed on September 26, 2023.

  • "Basseterre Sea Temperature"., Accessed 26 September, 2023

  • Basseterre Sea Temperature. Retrieved from