Fernandina Beach water temp
This data the coastal Fernandina Beach 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 Fernandina Beach
Water temperature in Fernandina Beach today is 81.1°F. Based on our historical data over a period of ten years, the warmest water in this day in Fernandina Beach was recorded in 2018 and was 84.7°F, and the coldest was recorded in 2008 at 77.4°F. Sea water temperature in Fernandina Beach is expected to drop to 79.3°F in the next 10 days. September average water temperature in Fernandina Beach is 82.2°F, the minimum temperature is 75.7°F, and the maximum is 85.8°F.
The swimming season in Fernandina Beach lasts from April to November. During those months, Fernandina Beach water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Fernandina Beach in winter reaches 60.6°F, in spring 68.5°F, in summer the average temperature rises to 81.7°F, and in autumn it is 76.1°F.
Fernandina Beach water temperature now
| September 24, 2025 |
|---|
| today temp |
| 81.1°F |
| September 23, 2025 |
|---|
| yesterday temp |
| 80.8°F |
The ocean salinity in Fernandina Beach is 35.57‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Fernandina Beach 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 Fernandina Beach. 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 Fernandina Beach. Data in table shown for September 24, 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 |
|---|---|---|---|
| 2' 6" | 2' 5" | 2' 4" | 2' 2" |
| 0.76 m | 0.73 m | 0.7 m | 0.66 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 2' 1" | 2' 0" | 1' 11" | 2' 0" |
| 0.63 m | 0.61 m | 0.58 m | 0.6 m |
Surf report in Fernandina Beach
Fernandina Beach weather forecast
Current temperature and weather
Data in a table show Fernandina Beach temperature today (September 24, 2025). For more information and forecast for a few days, go to the weather forecast Fernandina Beach.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 77.4°F | 74.7°F | 72.7°F | 77.9°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
|  | | |
| 83.8°F | 84°F | 81.3°F | 79.3°F |
You may also be interested in other sections of our site for Fernandina Beach: Sunrise and Sunset, Tides
Fernandina Beach water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Fernandina Beach. 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 Fernandina Beach 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 | 59.7°F | 48.7°F | 68.5°F | cold |
| Ocean water temperature in Fernandina Beach in January | ||||
| February | 59.2°F | 52.7°F | 66.4°F | cold |
| Ocean water temperature in Fernandina Beach in February | ||||
| March | 62.4°F | 54°F | 70.9°F | cold |
| Ocean water temperature in Fernandina Beach in March | ||||
| April | 68.4°F | 60.8°F | 75.4°F | warm |
| Ocean water temperature in Fernandina Beach in April | ||||
| May | 75°F | 68.4°F | 81.5°F | warm |
| Ocean water temperature in Fernandina Beach in May | ||||
| June | 80.4°F | 74.1°F | 84.7°F | hot |
| Ocean water temperature in Fernandina Beach in June | ||||
| July | 82°F | 75.6°F | 86.4°F | hot |
| Ocean water temperature in Fernandina Beach in July | ||||
| August | 82.6°F | 75°F | 85.8°F | hot |
| Ocean water temperature in Fernandina Beach in August | ||||
| September | 82.2°F | 75.7°F | 85.8°F | hot |
| Ocean water temperature in Fernandina Beach in September | ||||
| October | 77°F | 66.7°F | 84.6°F | hot |
| Ocean water temperature in Fernandina Beach in October | ||||
| November | 68.9°F | 59.5°F | 77.9°F | warm |
| Ocean water temperature in Fernandina Beach in November | ||||
| December | 62.8°F | 56.3°F | 68.7°F | cold |
| Ocean water temperature in Fernandina Beach in December | ||||
Chart monthly average water temperature in Fernandina Beach
