Cape San Blas water temp
This data the coastal Cape San Blas 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 Cape San Blas
Water temperature in Cape San Blas today is 83.8°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Cape San Blas was recorded in 2022 and was 87.4°F, and the coldest was recorded in 2008 at 82.6°F. Sea water temperature in Cape San Blas is expected to rise to 84.2°F in the next 10 days. September average water temperature in Cape San Blas is 84°F, the minimum temperature is 79°F, and the maximum is 87.4°F.
The swimming season in Cape San Blas lasts from March to December. During those months, Cape San Blas water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Cape San Blas in winter reaches 63.7°F, in spring 70.9°F, in summer the average temperature rises to 84.4°F, and in autumn it is 77.9°F.
Cape San Blas water temperature now
| September 5, 2025 |
|---|
| today temp |
| 83.8°F |
| September 4, 2025 |
|---|
| yesterday temp |
| 83.8°F |
The ocean salinity in Cape San Blas is 34.85‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Cape San Blas 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 Cape San Blas. 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 Cape San Blas. 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' 11" | 0' 10" | 0' 9" | 0' 8" |
| 0.29 m | 0.26 m | 0.22 m | 0.2 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 0' 8" | 0' 10" | 0' 11" | 0' 10" |
| 0.21 m | 0.26 m | 0.28 m | 0.25 m |
Surf report in Cape San Blas
Cape San Blas weather forecast
Current temperature and weather
Data in a table show Cape San Blas temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Cape San Blas.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 |  | |  |
| 81.1°F | 79.9°F | 78.6°F | 80.8°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
|  | | |
| 88°F | 86.2°F | 85.3°F | 83.1°F |
You may also be interested in other sections of our site for Cape San Blas: Sunrise and Sunset, Tides
Cape San Blas water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Cape San Blas. 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 Cape San Blas 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
| Month | Avr | Min | Max | |
|---|---|---|---|---|
| January | 62.6°F | 52°F | 70.2°F | cold |
| Ocean water temperature in Cape San Blas in January | ||||
| February | 62.4°F | 56.8°F | 69.4°F | cold |
| Ocean water temperature in Cape San Blas in February | ||||
| March | 65.5°F | 57.4°F | 75°F | cold |
| Ocean water temperature in Cape San Blas in March | ||||
| April | 70.3°F | 63.1°F | 77°F | warm |
| Ocean water temperature in Cape San Blas in April | ||||
| May | 76.8°F | 70.2°F | 83.8°F | warm |
| Ocean water temperature in Cape San Blas in May | ||||
| June | 82.8°F | 75.2°F | 88°F | hot |
| Ocean water temperature in Cape San Blas in June | ||||
| July | 84.9°F | 81.3°F | 88.2°F | hot |
| Ocean water temperature in Cape San Blas in July | ||||
| August | 85.6°F | 81.3°F | 88.9°F | hot |
| Ocean water temperature in Cape San Blas in August | ||||
| September | 84°F | 79°F | 87.4°F | hot |
| Ocean water temperature in Cape San Blas in September | ||||
| October | 78.4°F | 71.6°F | 85.1°F | hot |
| Ocean water temperature in Cape San Blas in October | ||||
| November | 71.1°F | 64.8°F | 78.1°F | warm |
| Ocean water temperature in Cape San Blas in November | ||||
| December | 66°F | 58.5°F | 71.2°F | cold |
| Ocean water temperature in Cape San Blas in December | ||||
Chart monthly average water temperature in Cape San Blas
