Brownsville water temp
This data the coastal Brownsville 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 Brownsville
Water temperature in Brownsville today is 85.8°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Brownsville was recorded in 2024 and was 86.2°F, and the coldest was recorded in 2017 at 82.2°F. Sea water temperature in Brownsville is expected to drop to 84.4°F in the next 10 days. September average water temperature in Brownsville is 84.4°F, the minimum temperature is 79.9°F, and the maximum is 87.1°F.
The swimming season in Brownsville lasts from March to January. During those months, Brownsville water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Brownsville in winter reaches 67.1°F, in spring 72.7°F, in summer the average temperature rises to 82.6°F, and in autumn it is 80.6°F.
Brownsville water temperature now
| September 5, 2025 |
|---|
| today temp |
| 85.8°F |
| September 4, 2025 |
|---|
| yesterday temp |
| 85.1°F |
The ocean salinity in Brownsville is 34.41‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Brownsville 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 Brownsville. 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 Brownsville. 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 |
|---|---|---|---|
| 1' 5" | 1' 9" | 2' 0" | 1' 11" |
| 0.43 m | 0.54 m | 0.61 m | 0.59 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 1' 11" | 1' 11" | 1' 10" | 1' 10" |
| 0.59 m | 0.58 m | 0.56 m | 0.57 m |
Surf report in Brownsville
Brownsville weather forecast
Current temperature and weather
Data in a table show Brownsville temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Brownsville.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 |  | | |
| 83.5°F | 82.8°F | 82.2°F | 83.3°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
 | | |  |
| 85.3°F | 85.6°F | 84.2°F | 84°F |
You may also be interested in other sections of our site for Brownsville: Sunrise and Sunset, Tides
Brownsville water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Brownsville. 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 Brownsville 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 | 66.6°F | 59.9°F | 75.6°F | cold |
| Ocean water temperature in Brownsville in January | ||||
| February | 65.3°F | 58.6°F | 71.4°F | cold |
| Ocean water temperature in Brownsville in February | ||||
| March | 67.5°F | 59.7°F | 74.8°F | cold |
| Ocean water temperature in Brownsville in March | ||||
| April | 72.7°F | 65.8°F | 77.9°F | warm |
| Ocean water temperature in Brownsville in April | ||||
| May | 77.9°F | 70.7°F | 82.8°F | hot |
| Ocean water temperature in Brownsville in May | ||||
| June | 81.9°F | 78.6°F | 86°F | hot |
| Ocean water temperature in Brownsville in June | ||||
| July | 82.2°F | 79.2°F | 85.6°F | hot |
| Ocean water temperature in Brownsville in July | ||||
| August | 83.5°F | 80.2°F | 87.3°F | hot |
| Ocean water temperature in Brownsville in August | ||||
| September | 84.4°F | 79.9°F | 87.1°F | hot |
| Ocean water temperature in Brownsville in September | ||||
| October | 81.7°F | 75.7°F | 86.5°F | hot |
| Ocean water temperature in Brownsville in October | ||||
| November | 75.6°F | 66.2°F | 82°F | warm |
| Ocean water temperature in Brownsville in November | ||||
| December | 69.6°F | 59.9°F | 77°F | warm |
| Ocean water temperature in Brownsville in December | ||||
Chart monthly average water temperature in Brownsville
