Blackwater Sound water temp
This data the coastal Blackwater Sound 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 Blackwater Sound
Water temperature in Blackwater Sound today is 87.1°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Blackwater Sound was recorded in 2022 and was 87.6°F, and the coldest was recorded in 2008 at 83.8°F. Sea water temperature in Blackwater Sound is expected to drop to 85.6°F in the next 10 days. September average water temperature in Blackwater Sound is 85.6°F, the minimum temperature is 82°F, and the maximum is 88.7°F.
The swimming season in Blackwater Sound lasts from January to December, twelve months per year! During those months, Blackwater Sound water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Blackwater Sound in winter reaches 75.2°F, in spring 78.8°F, in summer the average temperature rises to 85.6°F, and in autumn it is 82.6°F.
Blackwater Sound water temperature now
| September 5, 2025 |
|---|
| today temp |
| 87.1°F |
| September 4, 2025 |
|---|
| yesterday temp |
| 87.3°F |
The ocean salinity in Blackwater Sound is 36.60‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Blackwater Sound 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 Blackwater Sound. 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 Blackwater Sound. Data in table shown for September 6, 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' 1" | 1' 2" | 1' 3" | 1' 4" |
| 0.32 m | 0.35 m | 0.39 m | 0.4 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 1' 6" | 1' 5" | 1' 3" | 1' 4" |
| 0.46 m | 0.43 m | 0.38 m | 0.4 m |
Surf report in Blackwater Sound
Blackwater Sound weather forecast
Current temperature and weather
Data in a table show Blackwater Sound temperature today (September 6, 2025). For more information and forecast for a few days, go to the weather forecast Blackwater Sound.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 81.1°F | 81.3°F | 81.9°F | 81.1°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | |  |
| 81.9°F | 81.7°F | 82°F | 81°F |
You may also be interested in other sections of our site for Blackwater Sound: Sunrise and Sunset, Tides
Blackwater Sound water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Blackwater Sound. 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 Blackwater Sound 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 | 74.5°F | 67.1°F | 79.3°F | warm |
| Ocean water temperature in Blackwater Sound in January | ||||
| February | 74.8°F | 67.3°F | 79°F | warm |
| Ocean water temperature in Blackwater Sound in February | ||||
| March | 76.1°F | 71.2°F | 80.6°F | warm |
| Ocean water temperature in Blackwater Sound in March | ||||
| April | 78.6°F | 73.9°F | 84.4°F | hot |
| Ocean water temperature in Blackwater Sound in April | ||||
| May | 81.7°F | 77.4°F | 88.5°F | hot |
| Ocean water temperature in Blackwater Sound in May | ||||
| June | 84.4°F | 79.7°F | 88.9°F | hot |
| Ocean water temperature in Blackwater Sound in June | ||||
| July | 86.2°F | 82.6°F | 90.5°F | hot |
| Ocean water temperature in Blackwater Sound in July | ||||
| August | 86.5°F | 82°F | 90.3°F | hot |
| Ocean water temperature in Blackwater Sound in August | ||||
| September | 85.6°F | 82°F | 88.7°F | hot |
| Ocean water temperature in Blackwater Sound in September | ||||
| October | 82.8°F | 77°F | 87.3°F | hot |
| Ocean water temperature in Blackwater Sound in October | ||||
| November | 79.2°F | 73.4°F | 84.2°F | hot |
| Ocean water temperature in Blackwater Sound in November | ||||
| December | 76.5°F | 69.4°F | 80.8°F | warm |
| Ocean water temperature in Blackwater Sound in December | ||||
Chart monthly average water temperature in Blackwater Sound
