What is the current water temperature in Galveston?

As of now, in Galveston, the water temperature is 26.78°F. It's safe to say that the water is comfortably warm for various water-related activities.

United States > Galveston

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.

80.2

°F

May 20, 06:57

Trend:

stable

Yesterday:

80.3°F

Tomorrow:

80.7°F

Sunrise:

06:24

Sunset:

20:07

Day Length:

13 h. 43 min.

Galveston in May

Minimum:

57.1°F

Average:

60.3°F

Maximum:

65.3°F

Sea water temperature in Galveston today

As of now, in Galveston, the water temperature is 80.2°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.9°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 rise a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming 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 81.8°F on 2023, while the historical minimum was 77.6°F on 2021.

latest data

last year

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 histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 80.9°F, with minimum temperature starting at 80.7°F, while the maximum might reach 81.2°F.

Daily water temperature in Galveston

Date	Current Year actual* / forecast**	last year	10 years average
May 6	77.3°F	75.9°F	76.3°F
May 7	77.1°F	76.9°F	76.7°F
May 8	76.5°F	76.7°F	76.9°F
May 9	77.1°F	79.7°F	77.6°F
May 10	77.3°F	80.2°F	77.8°F
May 11	76.6°F	79.5°F	77.1°F
May 12	77.0°F	79.9°F	77.5°F
May 13	76.7°F	80.1°F	77.7°F
May 14	77.3°F	80.4°F	78.0°F
May 15	78.6°F	78.6°F	78.4°F
May 16	77.9°F	78.5°F	78.6°F
May 17	77.8°F	79.3°F	78.5°F
May 18	79.9°F	79.3°F	78.8°F
May 19	80.3°F	78.7°F	79.1°F
May 20	80.2°F	80.1°F	79.3°F
May 21	80.7°F	79.7°F	79.8°F
May 22	80.8°F	80.8°F	79.9°F
May 23	80.9°F	81.2°F	80.0°F
May 24	80.9°F	81.7°F	80.0°F
May 25	81.0°F	82.0°F	80.1°F
May 26	81.1°F	82.4°F	80.2°F
May 27	81.2°F	82.7°F	80.3°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.