Saint Augustine South water temp
This data the coastal Saint Augustine South ocean 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 ocean temperature in Saint Augustine South
Water temperature in Saint Augustine South today is 82.8°F. Based on our historical data over a period of ten years, the warmest water in this day in Saint Augustine South was recorded in 2018 and was 84.2°F, and the coldest was recorded in 2008 at 78.6°F. Sea water temperature in Saint Augustine South is expected to drop to 79.9°F in the next 10 days. September average water temperature in Saint Augustine South is 82.6°F, the minimum temperature is 78.6°F, and the maximum is 85.5°F.
The swimming season in Saint Augustine South lasts from April to November. During those months, Saint Augustine South water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Saint Augustine South in winter reaches 64°F, in spring 70°F, in summer the average temperature rises to 81.5°F, and in autumn it is 77.2°F.
Saint Augustine South water temperature now
| September 26, 2025 |
|---|
| today temp |
| 82.8°F |
| September 25, 2025 |
|---|
| yesterday temp |
| 82.8°F |
The ocean salinity in Saint Augustine South is 35.74‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Saint Augustine South 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 Saint Augustine South. 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 Saint Augustine South. Data in table shown for September 26, 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 |
|---|---|---|---|
| 1' 5" | 1' 3" | 1' 2" | 1' 1" |
| 0.43 m | 0.39 m | 0.36 m | 0.32 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 1' 0" | 0' 11" | 1' 3" | 1' 3" |
| 0.3 m | 0.29 m | 0.37 m | 0.39 m |
Surf report in Saint Augustine South
Saint Augustine South weather forecast
Current temperature and weather
Data in a table show Saint Augustine South temperature today (September 26, 2025). For more information and forecast for a few days, go to the weather forecast Saint Augustine South.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 77.4°F | 75.6°F | 73.8°F | 78.1°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
|  |  | |
| 85.1°F | 85.5°F | 81°F | 79.2°F |
You may also be interested in other sections of our site for Saint Augustine South: Sunrise and Sunset, Tides
Saint Augustine South water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Saint Augustine South. 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 Saint Augustine South 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 Saint Augustine South
