St George Island water temp
This data the coastal St George Island 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 St George Island
Water temperature in St George Island today is 84.4°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near St George Island was recorded in 2016 and was 85.8°F, and the coldest was recorded in 2020 at 79.2°F. Sea water temperature in St George Island is expected to drop to 80.8°F in the next 10 days. September average water temperature in St George Island is 84°F, the minimum temperature is 79.2°F, and the maximum is 87.3°F.
The swimming season in St George Island lasts from March to November. During those months, St George Island water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in St George Island in winter reaches 63.1°F, in spring 70.7°F, in summer the average temperature rises to 84.4°F, and in autumn it is 77.9°F.
St George Island water temperature now
| September 25, 2025 |
|---|
| today temp |
| 84.4°F |
| September 24, 2025 |
|---|
| yesterday temp |
| 84.4°F |
The ocean salinity in St George Island is 35.28‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in St George 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 St George 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 St George Island. Data in table shown for September 25, 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 |
|---|---|---|---|
| 0' 7" | 0' 7" | 0' 6" | 0' 6" |
| 0.18 m | 0.17 m | 0.16 m | 0.16 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 0' 6" | 0' 8" | 1' 2" | 1' 3" |
| 0.16 m | 0.21 m | 0.35 m | 0.39 m |
Surf report in St George Island
St George Island weather forecast
Current temperature and weather
Data in a table show St George Island temperature today (September 25, 2025). For more information and forecast for a few days, go to the weather forecast St George Island.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 74.8°F | 73.8°F | 73.4°F | 80.1°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| |  | |
| 84.9°F | 85.5°F | 84°F | 80.6°F |
You may also be interested in other sections of our site for St George Island: Sunrise and Sunset, Tides
St George Island water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in St George 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 St George 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 St George Island
