This data the coastal Fort De Soto Park 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.
Water temperature in Fort De Soto Park today is 85.3°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Fort De Soto Park was recorded in 2022 and was 87.6°F, and the coldest was recorded in 2016 at 83.8°F. Sea water temperature in Fort De Soto Park is expected to rise to 85.5°F in the next 10 days. September average water temperature in Fort De Soto Park is 85.1°F, the minimum temperature is 81°F, and the maximum is 88.2°F.
The swimming season in Fort De Soto Park lasts from February to December. During those months, Fort De Soto Park water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Fort De Soto Park in winter reaches 65.8°F, in spring 74.5°F, in summer the average temperature rises to 85.8°F, and in autumn it is 79.3°F.
September 5, 2025 |
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today temp |
85.3°F |
September 4, 2025 |
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yesterday temp |
85.6°F |
The ocean salinity in Fort De Soto Park is 36.49‰, and the average salinity of the World Ocean is 35‰.
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 Fort De Soto Park. 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 Fort De Soto Park. Data in table shown for September 5, 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' 5" | 0' 7" | 0' 7" | 0' 8" |
0.12 m | 0.17 m | 0.19 m | 0.2 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
0' 9" | 0' 7" | 0' 6" | 0' 6" |
0.22 m | 0.19 m | 0.16 m | 0.16 m |
Data in a table show Fort De Soto Park temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Fort De Soto Park.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
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82.6°F | 81.3°F | 80.6°F | 80.8°F |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
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84.2°F | 86.4°F | 85.8°F | 83.3°F |
You may also be interested in other sections of our site for Fort De Soto Park: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly sea temperature in Fort De Soto Park. 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 Fort De Soto Park 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