All data are in degrees Fahrenheit

en

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

83.3

°F

October 10, 13:37

Trend:

decreasing

Yesterday:

83.8°F

Tomorrow:

83.1°F

Sunrise:

07:17

Sunset:

18:55

Day Length:

11 h. 38 min.

Galveston in October

Minimum:

55.4°F

Average:

59.1°F

Maximum:

63.4°F

Sea water temperature in Galveston today

As of now, in Galveston, the water temperature is 83.3°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 3.0°F higher than 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 fall a bit.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 83.4°F on 2018, while the historical minimum was 76.4°F on 2020.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 82.7°F, the minimum temperature may reach 82.3°F, and the maximum might stay at 83.1°F.

Daily water temperature in Galveston

Date Current Year

actual* / forecast**

last year 10 years average
Sep 26 85.0°F 84.9°F 83.9°F
Sep 27 84.6°F 84.5°F 83.4°F
Sep 28 84.3°F 83.2°F 83.1°F
Sep 29 83.8°F 82.9°F 83.0°F
Sep 30 84.1°F 83.0°F 82.6°F
Oct 1 83.6°F 83.0°F 82.1°F
Oct 2 83.9°F 84.0°F 81.8°F
Oct 3 84.6°F 83.7°F 81.7°F
Oct 4 84.5°F 83.7°F 81.4°F
Oct 5 83.6°F 83.3°F 81.4°F
Oct 6 83.1°F 82.4°F 81.2°F
Oct 7 82.5°F 82.5°F 81.1°F
Oct 8 82.8°F 82.5°F 81.2°F
Oct 9 83.8°F 81.3°F 80.8°F
Oct 10 83.3°F 79.4°F 80.3°F
Oct 11 83.1°F 79.0°F 80.1°F
Oct 12 82.9°F 79.0°F 79.9°F
Oct 13 82.5°F 79.1°F 79.5°F
Oct 14 82.8°F 79.7°F 79.8°F
Oct 15 82.5°F 80.5°F 79.5°F
Oct 16 82.7°F 80.4°F 79.7°F
Oct 17 82.3°F 78.9°F 79.3°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.