Opal Beach water temp
This data the coastal Opal 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 Opal Beach
Water temperature in Opal Beach today is 84°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Opal Beach was recorded in 2023 and was 86.5°F, and the coldest was recorded in 2008 at 82°F. Sea water temperature in Opal Beach is expected to be constant 84°F in the next 10 days. September average water temperature in Opal Beach is 84°F, the minimum temperature is 79°F, and the maximum is 88.5°F.
The swimming season in Opal Beach lasts from March to December. During those months, Opal Beach water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Opal Beach in winter reaches 65.5°F, in spring 70.7°F, in summer the average temperature rises to 84.2°F, and in autumn it is 78.4°F.
Opal Beach water temperature now
| September 5, 2025 |
|---|
| today temp |
| 84°F |
| September 4, 2025 |
|---|
| yesterday temp |
| 84°F |
Surf Forecast in Opal 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 Opal 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 Opal 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 |
|---|---|---|---|
| 0' 7" | 0' 7" | 0' 7" | 0' 7" |
| 0.19 m | 0.18 m | 0.17 m | 0.17 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 0' 7" | 0' 7" | 0' 6" | 0' 6" |
| 0.17 m | 0.17 m | 0.16 m | 0.15 m |
Surf report in Opal Beach
Opal Beach weather forecast
Current temperature and weather
Data in a table show Opal Beach temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Opal Beach.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 79.9°F | 78.6°F | 76.6°F | 78.4°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
 | | | |
| 90.3°F | 91.8°F | 87.4°F | 82.6°F |
You may also be interested in other sections of our site for Opal Beach: Sunrise and Sunset
Opal Beach water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Opal 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 Opal 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 | 64.6°F | 59.9°F | 69.6°F | cold |
| Ocean water temperature in Opal Beach in January | ||||
| February | 63.7°F | 59°F | 70.5°F | cold |
| Ocean water temperature in Opal Beach in February | ||||
| March | 65.5°F | 59°F | 75.4°F | cold |
| Ocean water temperature in Opal Beach in March | ||||
| April | 69.8°F | 63.7°F | 77.7°F | warm |
| Ocean water temperature in Opal Beach in April | ||||
| May | 76.6°F | 70.3°F | 84.2°F | warm |
| Ocean water temperature in Opal Beach in May | ||||
| June | 82.6°F | 76.1°F | 88.5°F | hot |
| Ocean water temperature in Opal Beach in June | ||||
| July | 84.7°F | 81.3°F | 88.9°F | hot |
| Ocean water temperature in Opal Beach in July | ||||
| August | 85.5°F | 81.3°F | 88.9°F | hot |
| Ocean water temperature in Opal Beach in August | ||||
| September | 84°F | 79°F | 88.5°F | hot |
| Ocean water temperature in Opal Beach in September | ||||
| October | 78.8°F | 73.6°F | 84.7°F | hot |
| Ocean water temperature in Opal Beach in October | ||||
| November | 72.5°F | 67.1°F | 77.9°F | warm |
| Ocean water temperature in Opal Beach in November | ||||
| December | 68.2°F | 61.7°F | 73.6°F | warm |
| Ocean water temperature in Opal Beach in December | ||||
Chart monthly average water temperature in Opal Beach
