Seaside (FL) water temp
This data the coastal Seaside 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 Seaside
Water temperature in Seaside today is 79.9°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Seaside was recorded in 2019 and was 82.6°F, and the coldest was recorded in 2010 at 75.9°F. Sea water temperature in Seaside is expected to drop to 76.6°F in the next 10 days. October average water temperature in Seaside is 78.8°F, the minimum temperature is 72.3°F, and the maximum is 85.1°F.
The swimming season in Seaside lasts from March to December. During those months, Seaside water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Seaside in winter reaches 64°F, in spring 70.3°F, in summer the average temperature rises to 84.2°F, and in autumn it is 78.3°F.
Seaside water temperature now
| October 16, 2025 |
|---|
| today temp |
| 79.9°F |
| October 15, 2025 |
|---|
| yesterday temp |
| 80.2°F |
The ocean salinity in Seaside is 35.12‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Seaside 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 Seaside. 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 Seaside. Data in table shown for October 16, 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' 4" | 0' 4" | 0' 4" | 0' 4" |
| 0.1 m | 0.11 m | 0.11 m | 0.11 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 0' 4" | 0' 4" | 0' 4" | 0' 4" |
| 0.11 m | 0.11 m | 0.11 m | 0.11 m |
Surf report in Seaside
Seaside weather forecast
Current temperature and weather
Data in a table show Seaside temperature today (October 16, 2025). For more information and forecast for a few days, go to the weather forecast Seaside.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 72.1°F | 68.4°F | 64.4°F | 69.1°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
|  |  | |
| 84.4°F | 82.9°F | 79.2°F | 77.9°F |
You may also be interested in other sections of our site for Seaside: Sunrise and Sunset, Tides
Seaside water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Seaside. 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 Seaside 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 | 63.1°F | 57.2°F | 68.9°F | cold |
| Ocean water temperature in Seaside in January | ||||
| February | 62.6°F | 57.6°F | 70.2°F | cold |
| Ocean water temperature in Seaside in February | ||||
| March | 65.3°F | 59.4°F | 76.8°F | cold |
| Ocean water temperature in Seaside in March | ||||
| April | 69.6°F | 63.5°F | 77°F | warm |
| Ocean water temperature in Seaside in April | ||||
| May | 76.3°F | 70.2°F | 83.7°F | warm |
| Ocean water temperature in Seaside in May | ||||
| June | 82.4°F | 75.7°F | 88.3°F | hot |
| Ocean water temperature in Seaside in June | ||||
| July | 84.7°F | 81.3°F | 87.6°F | hot |
| Ocean water temperature in Seaside in July | ||||
| August | 85.5°F | 81.3°F | 88.9°F | hot |
| Ocean water temperature in Seaside in August | ||||
| September | 84°F | 79.3°F | 87.8°F | hot |
| Ocean water temperature in Seaside in September | ||||
| October | 78.8°F | 72.3°F | 85.1°F | hot |
| Ocean water temperature in Seaside in October | ||||
| November | 71.8°F | 65.1°F | 77.5°F | warm |
| Ocean water temperature in Seaside in November | ||||
| December | 66.6°F | 60.1°F | 70.9°F | cold |
| Ocean water temperature in Seaside in December | ||||
Chart monthly average water temperature in Seaside
