Boca Grande water temp
This data the coastal Boca Grande 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 Boca Grande
Water temperature in Boca Grande today is 86.4°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Boca Grande was recorded in 2022 and was 88.3°F, and the coldest was recorded in 2008 at 84°F. Sea water temperature in Boca Grande is expected to drop to 85.8°F in the next 10 days. September average water temperature in Boca Grande is 85.5°F, the minimum temperature is 82.2°F, and the maximum is 89.2°F.
The swimming season in Boca Grande lasts from January to December, twelve months per year! During those months, Boca Grande water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Boca Grande in winter reaches 68°F, in spring 75.7°F, in summer the average temperature rises to 86°F, and in autumn it is 80.4°F.
Boca Grande water temperature now
| September 5, 2025 |
|---|
| today temp |
| 86.4°F |
| September 4, 2025 |
|---|
| yesterday temp |
| 86.7°F |
The ocean salinity in Boca Grande is 36.05‰, and the average salinity of the World Ocean is 35‰.
Current temperature and weather
Data in a table show Boca Grande temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Boca Grande.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | |  | |
| 81.7°F | 81.9°F | 81.9°F | 83.1°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | | |
| 84.6°F | 82.6°F | 81.5°F | 81.3°F |
You may also be interested in other sections of our site for Boca Grande: Sunrise and Sunset, Tides
Boca Grande water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Boca Grande. 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 Boca Grande 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 | 66.7°F | 57.2°F | 75°F | cold |
| Ocean water temperature in Boca Grande in January | ||||
| February | 67.5°F | 60.4°F | 76.5°F | cold |
| Ocean water temperature in Boca Grande in February | ||||
| March | 70.7°F | 60.1°F | 80.6°F | warm |
| Ocean water temperature in Boca Grande in March | ||||
| April | 75.7°F | 65.8°F | 82.2°F | warm |
| Ocean water temperature in Boca Grande in April | ||||
| May | 80.8°F | 75°F | 87.8°F | hot |
| Ocean water temperature in Boca Grande in May | ||||
| June | 84.7°F | 77.4°F | 88.9°F | hot |
| Ocean water temperature in Boca Grande in June | ||||
| July | 86.5°F | 83.3°F | 90.9°F | hot |
| Ocean water temperature in Boca Grande in July | ||||
| August | 86.9°F | 83.8°F | 90.7°F | hot |
| Ocean water temperature in Boca Grande in August | ||||
| September | 85.5°F | 82.2°F | 89.2°F | hot |
| Ocean water temperature in Boca Grande in September | ||||
| October | 81.1°F | 73.2°F | 87.3°F | hot |
| Ocean water temperature in Boca Grande in October | ||||
| November | 74.7°F | 67.6°F | 82.9°F | warm |
| Ocean water temperature in Boca Grande in November | ||||
| December | 69.8°F | 61.2°F | 75°F | warm |
| Ocean water temperature in Boca Grande in December | ||||
Chart monthly average water temperature in Boca Grande
