Flat Rock Beach water temp
This data the coastal Flat Rock 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 Flat Rock Beach
Water temperature in Flat Rock Beach today is 70.5°F. Based on our historical data over a period of ten years, the warmest water in this day in Flat Rock Beach was recorded in 2015 and was 72.5°F, and the coldest was recorded in 2021 at 63.5°F. Sea water temperature in Flat Rock Beach is expected to drop to 68.4°F in the next 10 days. September average water temperature in Flat Rock Beach is 68.2°F, the minimum temperature is 62.8°F, and the maximum is 73.6°F.
The swimming season in Flat Rock Beach lasts from July to October. During those months, Flat Rock Beach water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Flat Rock Beach in winter reaches 59.2°F, in spring 59.5°F, in summer the average temperature rises to 66.7°F, and in autumn it is 65.8°F.
Flat Rock Beach water temperature now
| September 5, 2025 |
|---|
| today temp |
| 70.5°F |
| September 4, 2025 |
|---|
| yesterday temp |
| 71.1°F |
The ocean salinity in Flat Rock Beach is 32.78‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Flat Rock 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 Flat Rock 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 Flat Rock Beach. 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 |
|---|---|---|---|
| 2' 11" | 2' 11" | 3' 0" | 3' 1" |
| 0.89 m | 0.89 m | 0.91 m | 0.93 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 3' 0" | 2' 10" | 2' 9" | 2' 10" |
| 0.91 m | 0.87 m | 0.85 m | 0.87 m |
Surf report in Flat Rock Beach
Flat Rock Beach weather forecast
Current temperature and weather
Data in a table show Flat Rock Beach temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Flat Rock Beach.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | | |
| 67.6°F | 67.6°F | 64.4°F | 62.6°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
|  | | |
| 62.8°F | 61.9°F | 63.3°F | 65.3°F |
You may also be interested in other sections of our site for Flat Rock Beach: Sunrise and Sunset, Tides
Flat Rock Beach water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Flat Rock 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 Flat Rock 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
Chart monthly average water temperature in Flat Rock Beach
