Naples (FL) water temp
This data the coastal Naples 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 Naples
Water temperature in Naples today is 82.6°F. Based on our historical data over a period of ten years, the warmest water in this day in Naples was recorded in 2009 and was 86.2°F, and the coldest was recorded in 2022 at 79.9°F. Sea water temperature in Naples is expected to drop to 80.4°F in the next 10 days. October average water temperature in Naples is 81.7°F, the minimum temperature is 74.5°F, and the maximum is 86.9°F.
The swimming season in Naples lasts from January to December, twelve months per year! During those months, Naples water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Naples in winter reaches 69.3°F, in spring 76.5°F, in summer the average temperature rises to 86.2°F, and in autumn it is 81°F.
Naples water temperature now
| October 11, 2025 |
|---|
| today temp |
| 82.6°F |
| October 10, 2025 |
|---|
| yesterday temp |
| 82.8°F |
The ocean salinity in Naples is 35.85‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Naples 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 Naples. 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 Naples. Data in table shown for October 11, 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' 6" | 0' 6" | 0' 7" |
| 0.12 m | 0.14 m | 0.16 m | 0.18 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 0' 7" | 0' 8" | 0' 8" | 0' 11" |
| 0.19 m | 0.2 m | 0.21 m | 0.27 m |
Surf report in Naples
Naples weather forecast
Current temperature and weather
Data in a table show Naples temperature today (October 11, 2025). For more information and forecast for a few days, go to the weather forecast Naples.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 |  | |  |
| 73.8°F | 72.7°F | 72°F | 73.2°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | | |
| 77.7°F | 80.4°F | 78.8°F | 77.4°F |
You may also be interested in other sections of our site for Naples: Sunrise and Sunset, Tides
Naples water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Naples. 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 Naples 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 | 68°F | 61.2°F | 75.6°F | warm |
| Ocean water temperature in Naples in January | ||||
| February | 68.5°F | 61.7°F | 77°F | warm |
| Ocean water temperature in Naples in February | ||||
| March | 71.8°F | 62.1°F | 79.7°F | warm |
| Ocean water temperature in Naples in March | ||||
| April | 76.5°F | 66.9°F | 83.7°F | warm |
| Ocean water temperature in Naples in April | ||||
| May | 81.1°F | 75.6°F | 88.2°F | hot |
| Ocean water temperature in Naples in May | ||||
| June | 84.9°F | 78.4°F | 88.5°F | hot |
| Ocean water temperature in Naples in June | ||||
| July | 86.5°F | 83.7°F | 89.8°F | hot |
| Ocean water temperature in Naples in July | ||||
| August | 87.1°F | 83.8°F | 90°F | hot |
| Ocean water temperature in Naples in August | ||||
| September | 85.8°F | 82°F | 89.2°F | hot |
| Ocean water temperature in Naples in September | ||||
| October | 81.7°F | 74.5°F | 86.9°F | hot |
| Ocean water temperature in Naples in October | ||||
| November | 75.4°F | 69.1°F | 83.7°F | warm |
| Ocean water temperature in Naples in November | ||||
| December | 71.1°F | 64.4°F | 76.6°F | warm |
| Ocean water temperature in Naples in December | ||||
Chart monthly average water temperature in Naples
