Houston water temp
This data the coastal Houston 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 Houston
Water temperature in Houston today is 86.5°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Houston was recorded in 2023 and was 87.8°F, and the coldest was recorded in 2024 at 83.3°F. Sea water temperature in Houston is expected to drop to 83.5°F in the next 10 days. September average water temperature in Houston is 83.7°F, the minimum temperature is 76.5°F, and the maximum is 88.3°F.
The swimming season in Houston lasts from March to November. During those months, Houston water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Houston in winter reaches 59.9°F, in spring 71.4°F, in summer the average temperature rises to 85.6°F, and in autumn it is 76.8°F.
Houston water temperature now
| September 5, 2025 |
|---|
| today temp |
| 86.5°F |
| September 4, 2025 |
|---|
| yesterday temp |
| 86.5°F |
The ocean salinity in Houston is 24.48‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Houston 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 Houston. 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 Houston. 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 |
|---|---|---|---|
| 0' 11" | 1' 3" | 1' 5" | 1' 4" |
| 0.27 m | 0.39 m | 0.42 m | 0.41 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 1' 3" | 1' 1" | 1' 1" | 1' 1" |
| 0.37 m | 0.33 m | 0.34 m | 0.33 m |
Surf report in Houston
Houston weather forecast
Current temperature and weather
Data in a table show Houston temperature today (September 6, 2025). For more information and forecast for a few days, go to the weather forecast Houston.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 |  | |  |
| 83.3°F | 82.9°F | 82.4°F | 84.4°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | | |
| 87.8°F | 88.7°F | 84.2°F | 82.9°F |
You may also be interested in other sections of our site for Houston: Sunrise and Sunset, Tides
Houston water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Houston. 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 Houston 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 | 58.1°F | 52.2°F | 69.4°F | cold |
| Ocean water temperature in Houston in January | ||||
| February | 59.4°F | 52.9°F | 66°F | cold |
| Ocean water temperature in Houston in February | ||||
| March | 64.8°F | 57.7°F | 75°F | cold |
| Ocean water temperature in Houston in March | ||||
| April | 71.2°F | 64°F | 78.8°F | warm |
| Ocean water temperature in Houston in April | ||||
| May | 78.1°F | 70.2°F | 85.3°F | hot |
| Ocean water temperature in Houston in May | ||||
| June | 84.2°F | 79.3°F | 88.7°F | hot |
| Ocean water temperature in Houston in June | ||||
| July | 86°F | 81.3°F | 88.9°F | hot |
| Ocean water temperature in Houston in July | ||||
| August | 86.7°F | 82.9°F | 90.7°F | hot |
| Ocean water temperature in Houston in August | ||||
| September | 83.7°F | 76.5°F | 88.3°F | hot |
| Ocean water temperature in Houston in September | ||||
| October | 77.4°F | 69.1°F | 84.7°F | hot |
| Ocean water temperature in Houston in October | ||||
| November | 69.4°F | 62.8°F | 78.3°F | warm |
| Ocean water temperature in Houston in November | ||||
| December | 62.4°F | 54.9°F | 68.9°F | cold |
| Ocean water temperature in Houston in December | ||||
Chart monthly average water temperature in Houston
