Water temperature in San Salvador Island
This data the coastal San Salvador 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 San Salvador Island
Water temperature in San Salvador Island today is 86°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near San Salvador Island was recorded in 2015 and was 86.4°F, and the coldest was recorded in 2011 at 83.8°F. Sea water temperature in San Salvador Island is expected to drop to 84.2°F in the next 10 days. September average water temperature in San Salvador Island is 84.9°F, the minimum temperature is 81.9°F, and the maximum is 86.9°F.
The swimming season in San Salvador Island lasts from January to December, twelve months per year! During those months, San Salvador Island water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in San Salvador Island in winter reaches 78.4°F, in spring 78.4°F, in summer the average temperature rises to 83.7°F, and in autumn it is 83.5°F.
San Salvador Island water temperature now
| September 26, 2025 |
|---|
| today temp |
| 86°F |
| September 25, 2025 |
|---|
| yesterday temp |
| 86.5°F |
The sea salinity in San Salvador Island is 36.84‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in San Salvador 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 San Salvador 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 San Salvador Island. Data in table shown for September 27, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
| 4' 2" | 4' 4" | 4' 2" | 4' 8" |
| 1.26 m | 1.33 m | 1.27 m | 1.43 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 5' 0" | 5' 0" | 5' 3" | 5' 9" |
| 1.53 m | 1.52 m | 1.6 m | 1.76 m |
Surf report in San Salvador Island
San Salvador Island weather forecast
Current temperature and weather
Data in a table show San Salvador Island temperature today (September 27, 2025). For more information and forecast for a few days, go to the weather forecast San Salvador Island.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 80.1°F | 78.4°F | 79.3°F | 83.3°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | | |
| 83.1°F | 83.3°F | 83.8°F | 84°F |
You may also be interested in other sections of our site for San Salvador Island: Sunrise and Sunset, Tides
San Salvador Island water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in San Salvador 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 San Salvador 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 San Salvador Island
