Mayport water temp
This data the coastal Mayport 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 Mayport
Water temperature in Mayport today is 81.1°F. Based on our historical data over a period of ten years, the warmest water in this day in Mayport was recorded in 2020 and was 85.3°F, and the coldest was recorded in 2008 at 80.4°F. Sea water temperature in Mayport is expected to rise to 82.6°F in the next 10 days. September average water temperature in Mayport is 82.4°F, the minimum temperature is 77.9°F, and the maximum is 85.8°F.
The swimming season in Mayport lasts from April to November. During those months, Mayport water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Mayport in winter reaches 62.4°F, in spring 69.1°F, in summer the average temperature rises to 81.7°F, and in autumn it is 76.6°F.
Mayport water temperature now
| September 5, 2025 |
|---|
| today temp |
| 81.1°F |
| September 4, 2025 |
|---|
| yesterday temp |
| 81.5°F |
The ocean salinity in Mayport is 35.63‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Mayport 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 Mayport. 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 Mayport. 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 |
|---|---|---|---|
| 1' 10" | 1' 8" | 1' 8" | 1' 7" |
| 0.55 m | 0.52 m | 0.51 m | 0.49 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 1' 7" | 1' 8" | 1' 10" | 1' 11" |
| 0.48 m | 0.51 m | 0.55 m | 0.59 m |
Surf report in Mayport
Mayport weather forecast
Current temperature and weather
Data in a table show Mayport temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Mayport.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 79.7°F | 78.6°F | 77.7°F | 78.3°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
 |  | | |
| 79.7°F | 80.8°F | 79.7°F | 79°F |
You may also be interested in other sections of our site for Mayport: Sunrise and Sunset, Tides
Mayport water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Mayport. 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 Mayport 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 | 61.7°F | 50.2°F | 68.9°F | cold |
| Ocean water temperature in Mayport in January | ||||
| February | 61°F | 54.1°F | 67.3°F | cold |
| Ocean water temperature in Mayport in February | ||||
| March | 63.3°F | 57.2°F | 72.3°F | cold |
| Ocean water temperature in Mayport in March | ||||
| April | 68.9°F | 62.1°F | 75.7°F | warm |
| Ocean water temperature in Mayport in April | ||||
| May | 75.2°F | 69.1°F | 81.3°F | warm |
| Ocean water temperature in Mayport in May | ||||
| June | 80.4°F | 75°F | 85.1°F | hot |
| Ocean water temperature in Mayport in June | ||||
| July | 82°F | 76.6°F | 86.5°F | hot |
| Ocean water temperature in Mayport in July | ||||
| August | 82.6°F | 77.2°F | 85.6°F | hot |
| Ocean water temperature in Mayport in August | ||||
| September | 82.4°F | 77.9°F | 85.8°F | hot |
| Ocean water temperature in Mayport in September | ||||
| October | 77.5°F | 69.3°F | 84.4°F | hot |
| Ocean water temperature in Mayport in October | ||||
| November | 70°F | 62.1°F | 79°F | warm |
| Ocean water temperature in Mayport in November | ||||
| December | 64.4°F | 57.2°F | 69.4°F | cold |
| Ocean water temperature in Mayport in December | ||||
Chart monthly average water temperature in Mayport
