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

54.2

°F

February 5, 08:29

Trend:

increasing

Yesterday:

54.0°F

Tomorrow:

54.3°F

Sunrise:

07:06

Sunset:

18:01

Day Length:

10 h. 55 min.

Galveston in February

Minimum:

57.3°F

Average:

61.3°F

Maximum:

68.9°F

Sea water temperature in Galveston today

As of now, in Galveston, the water temperature is 54.2°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 3.6°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise 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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 61.4°F on 2017, while the historical minimum was 55.1°F on 2023.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the minimum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 54.8°F, with minimum temperature starting at 54.1°F, while the maximum might reach 55.9°F.

Daily water temperature in Galveston

Date Current Year

actual* / forecast**

last year 10 years average
Jan 22 58.1°F 51.4°F 57.6°F
Jan 23 58.1°F 50.7°F 57.1°F
Jan 24 58.1°F 51.7°F 57.0°F
Jan 25 58.5°F 50.1°F 56.7°F
Jan 26 58.1°F 49.7°F 56.8°F
Jan 27 56.3°F 51.0°F 56.8°F
Jan 28 53.4°F 51.7°F 56.7°F
Jan 29 53.5°F 52.2°F 56.8°F
Jan 30 54.4°F 52.5°F 56.4°F
Jan 31 54.7°F 53.1°F 56.4°F
Feb 1 53.5°F 54.2°F 56.5°F
Feb 2 52.5°F 54.2°F 56.8°F
Feb 3 53.4°F 55.5°F 57.4°F
Feb 4 54.0°F 55.9°F 57.5°F
Feb 5 54.2°F 56.9°F 57.8°F
Feb 6 54.3°F 58.6°F 57.9°F
Feb 7 54.1°F 60.3°F 57.8°F
Feb 8 54.2°F 60.3°F 57.8°F
Feb 9 54.4°F 60.9°F 58.0°F
Feb 10 55.0°F 64.0°F 58.6°F
Feb 11 55.4°F 63.2°F 59.0°F
Feb 12 55.9°F 62.1°F 59.5°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 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, 71.9°F in Spring, 85.7°F in Summer, and 78.0°F in Autumn.