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 86.2°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 87.8°F, and the coldest was recorded in 2024 at 83.3°F. Sea water temperature in Kemah is expected to drop to 83.5°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

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 5, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Kemah

Kemah weather forecast

Current temperature and weather

Data in a table show Kemah temperature today (September 5, 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
80.1°F	79°F	80.1°F	84.4°F

12-15 h	15-18 h	18-21 h	21-24 h
91.2°F	95.9°F	86.7°F	82.2°F

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

Chart monthly average water temperature in Kemah

The nearest beaches and cities from Kemah with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Seabrook	86.2°F	96.8°F		0' 10"
Shoreacres	86.2°F	96.8°F		0' 10"
San Leon	86.5°F	89.6°F		1' 2"
Galveston Bay	86.9°F	89.6°F		1' 5"
Sunny Beach	87.3°F	84.2°F		1' 9"
Crystal Beach	86.9°F	86°F		1' 7"
Jamaica Beach	87.4°F	84.2°F		1' 8"
San Luis Pass	87.3°F	91.4°F		1' 7"
Surfside Beach	87.6°F	91.4°F		1' 10"
Freeport	87.4°F	91.4°F		1' 10"

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Our report for Kemah is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.