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

65.7

°F

December 5, 14:08

Trend:

decreasing

Yesterday:

65.8°F

Tomorrow:

65.3°F

Sunrise:

06:59

Sunset:

17:21

Day Length:

10 h. 22 min.

Galveston in December

Minimum:

56.0°F

Average:

59.0°F

Maximum:

62.4°F

Sea water temperature in Galveston today

As of now, in Galveston, the water temperature is 65.7°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 0.6°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 considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. 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 66.8°F on 2017, while the historical minimum was 62.8°F on 2022.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 64.7°F, the minimum temperature may reach 64.1°F, and the maximum might stay at 65.3°F.

Daily water temperature in Galveston

Date Current Year

actual* / forecast**

last year 10 years average
Nov 21 73.4°F 73.2°F 69.2°F
Nov 22 74.4°F 70.6°F 68.9°F
Nov 23 73.6°F 71.3°F 68.6°F
Nov 24 73.6°F 70.9°F 68.4°F
Nov 25 73.5°F 70.8°F 68.1°F
Nov 26 73.8°F 71.5°F 68.0°F
Nov 27 71.8°F 70.0°F 67.4°F
Nov 28 71.3°F 70.1°F 67.1°F
Nov 29 69.7°F 69.7°F 66.6°F
Nov 30 68.3°F 69.0°F 66.2°F
Dec 1 67.8°F 68.2°F 66.0°F
Dec 2 67.4°F 67.7°F 65.8°F
Dec 3 66.1°F 65.8°F 65.5°F
Dec 4 65.8°F 65.2°F 65.2°F
Dec 5 65.7°F 65.2°F 65.0°F
Dec 6 65.3°F 63.7°F 64.7°F
Dec 7 64.9°F 63.2°F 64.2°F
Dec 8 64.8°F 63.3°F 64.1°F
Dec 9 64.9°F 63.3°F 64.2°F
Dec 10 64.7°F 61.3°F 64.1°F
Dec 11 64.2°F 60.0°F 63.6°F
Dec 12 64.1°F 59.9°F 63.5°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 191 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 77.9°F in Autumn.