Water temperature in Nassau

This data the coastal Nassau 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 Nassau

Water temperature in Nassau today is 85.6°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Nassau was recorded in 2021 and was 87.1°F, and the coldest was recorded in 2019 at 83.5°F. Sea water temperature in Nassau is expected to drop to 84.7°F in the next 10 days. September average water temperature in Nassau is 85.5°F, the minimum temperature is 82.6°F, and the maximum is 88°F.

The swimming season in Nassau lasts from January to December, twelve months per year! During those months, Nassau water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Nassau in winter reaches 75.9°F, in spring 78.1°F, in summer the average temperature rises to 85.1°F, and in autumn it is 82.8°F.

Nassau water temperature now

The sea salinity in Nassau is 36.87‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Nassau 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 Nassau. 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 Nassau. Data in table shown for September 21, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Nassau

Nassau weather forecast

Current temperature and weather

Data in a table show Nassau temperature today (September 21, 2025). For more information and forecast for a few days, go to the weather forecast Nassau.

0-3 h	3-6 h	6-9 h	9-12 h
83.8°F	83.7°F	83.7°F	84°F

12-15 h	15-18 h	18-21 h	21-24 h
84.7°F	83.7°F	83.3°F	83.8°F

Nassau water temperature by month

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

The nearest beaches and cities from Nassau 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
Atlantis Marina	85.6°F	84.2°F		0' 10"
Paradise Island	85.6°F	84.2°F		0' 11"
Blue Lagoon Island	85.6°F	84.2°F		0' 11"
New Providence	85.5°F	84.2°F		0' 8"
Rose Island	85.6°F	84.2°F		0' 11"
Whale Cay	86°F	84.2°F		1' 2"
Andros Town	86°F	84.2°F		0' 9"
Bonds Cay	86.2°F	84.2°F		1' 4"
Current Island	85.6°F	84.2°F		1' 4"
Chub Cay	86.2°F	84.2°F		0' 11"

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Our report for Nassau 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.