Kemah water temp
This data the coastal Kemah 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 Kemah
Water temperature in Kemah today is 84.6°F. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Mexico near Kemah was recorded in 2023 and was 85.6°F, and the coldest was recorded in 2008 at 78.4°F. Sea water temperature in Kemah is expected to drop to 79.7°F in the next 10 days. September average water temperature in Kemah is 83.7°F, the minimum temperature is 76.6°F, and the maximum is 88.5°F.
The swimming season in Kemah lasts from April to November. During those months, Kemah water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Kemah in winter reaches 60.3°F, in spring 71.2°F, in summer the average temperature rises to 85.6°F, and in autumn it is 76.8°F.
Kemah water temperature now
| September 26, 2025 |
|---|
| today temp |
| 84.6°F |
| September 25, 2025 |
|---|
| yesterday temp |
| 84.9°F |
The ocean salinity in Kemah is 24.48‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Kemah 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 Kemah. 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 Kemah. Data in table shown for September 27, 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' 3" | 0' 4" | 0' 4" | 0' 3" |
| 0.08 m | 0.11 m | 0.1 m | 0.08 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 0' 3" | 0' 2" | 0' 2" | 0' 2" |
| 0.07 m | 0.06 m | 0.05 m | 0.05 m |
Surf report in Kemah
Kemah weather forecast
Current temperature and weather
Data in a table show Kemah temperature today (September 27, 2025). For more information and forecast for a few days, go to the weather forecast Kemah.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 79.2°F | 75.9°F | 72.7°F | 78.4°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
|  | | |
| 85.3°F | 88.2°F | 84.6°F | 80.2°F |
You may also be interested in other sections of our site for Kemah: Sunrise and Sunset, Tides
Kemah water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Kemah. 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 Kemah 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 | 58.5°F | 51.1°F | 69.4°F | cold |
| Ocean water temperature in Kemah in January | ||||
| February | 59.5°F | 54.1°F | 65.8°F | cold |
| Ocean water temperature in Kemah in February | ||||
| March | 64.8°F | 58.3°F | 74.1°F | cold |
| Ocean water temperature in Kemah in March | ||||
| April | 71.1°F | 64°F | 78.1°F | warm |
| Ocean water temperature in Kemah in April | ||||
| May | 78.1°F | 70.2°F | 84.9°F | hot |
| Ocean water temperature in Kemah in May | ||||
| June | 84.2°F | 79.5°F | 88.3°F | hot |
| Ocean water temperature in Kemah in June | ||||
| July | 86°F | 81.7°F | 88.7°F | hot |
| Ocean water temperature in Kemah in July | ||||
| August | 86.7°F | 82.9°F | 90°F | hot |
| Ocean water temperature in Kemah in August | ||||
| September | 83.7°F | 76.6°F | 88.5°F | hot |
| Ocean water temperature in Kemah in September | ||||
| October | 77.4°F | 70.3°F | 84.6°F | hot |
| Ocean water temperature in Kemah in October | ||||
| November | 69.6°F | 63.1°F | 77.4°F | warm |
| Ocean water temperature in Kemah in November | ||||
| December | 62.6°F | 56.3°F | 68.5°F | cold |
| Ocean water temperature in Kemah in December | ||||
Chart monthly average water temperature in Kemah
