All data are in degrees Fahrenheit

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Water temperature in Galveston

Detailed information about the current water temperature in Galveston. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Galveston now

83.9

°F

June 11, 06:10

Trend:

stable

Yesterday:

84.7°F

Tomorrow:

84.3°F

Sunrise:

06:19

Sunset:

20:19

Day Length:

14 h. 0 min.

Galveston in June

Minimum:

56.2°F

Average:

59.9°F

Maximum:

65.2°F

Sea water temperature in Galveston today

As of now, in Galveston, the water temperature is 83.9°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is about the same as the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 85.8°F on 2015, while the historical minimum was 81.2°F on 2017.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 84.4°F, with minimum temperature starting at 84.2°F, while the maximum might reach 84.7°F.

Daily water temperature in Galveston

Date Current Year

actual* / forecast**

last year 10 years average
May 28 82.7°F 83.1°F 80.9°F
May 29 82.2°F 83.4°F 81.3°F
May 30 82.9°F 83.8°F 81.8°F
May 31 81.7°F 84.0°F 81.6°F
Jun 1 82.0°F 83.2°F 82.1°F
Jun 2 83.2°F 83.0°F 82.3°F
Jun 3 83.0°F 82.6°F 82.5°F
Jun 4 82.8°F 83.1°F 82.7°F
Jun 5 83.1°F 83.2°F 82.9°F
Jun 6 84.6°F 83.3°F 83.1°F
Jun 7 84.8°F 84.3°F 83.5°F
Jun 8 84.7°F 84.7°F 83.6°F
Jun 9 84.7°F 85.7°F 84.0°F
Jun 10 84.7°F 85.7°F 84.2°F
Jun 11 83.9°F 85.7°F 84.0°F
Jun 12 84.3°F 86.2°F 84.4°F
Jun 13 84.2°F 86.8°F 84.3°F
Jun 14 84.4°F 87.4°F 84.4°F
Jun 15 84.4°F 87.7°F 84.5°F
Jun 16 84.7°F 87.8°F 84.8°F
Jun 17 84.7°F 87.7°F 84.7°F
Jun 18 84.5°F 87.1°F 84.6°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Galveston by month

In Galveston, the months May through October offer comfortable swimming conditions, which amounts to 192 swimming days.
The warmest water in Galveston was recorded on August 18, 2024, reaching a 90.5°F. While the coldest temperature occurred on January 26, 2025, dipping to 49.7°F. The average readings by season are 60.1°F in Winter, 71.7°F in Spring, 85.6°F in Summer, and 77.8°F in Autumn.