Current sea water temperature:
+82.8°F
| Minimum sea water temperature in October: | 85.3°F |
| Maximum sea water temperature in October: | 70.5°F |
| Average sea water temperature in October: | 79.1°F |
| more information | |
14 days
forecast
forecast
| Galveston Island |
monthly
weather
weather
| Galveston Island |
Sea water temperature for the last 10 days:
| October 14 | 82.8°F | October 9 | 82.9°F |
| October 13 | 82.2°F | October 8 | 83.1°F |
| October 12 | 81.9°F | October 7 | 82.8°F |
| October 11 | 82.4°F | October 6 | 82.6°F |
| October 10 | 82.9°F | October 5 | 83.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Galveston Island?
Based on the data about daily sea water temperature for the last three years the warmest sea in Galveston Island was noticed in August, July and September.
Monthly Sea Temperatures in Galveston Island, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 87.2°F. The highest and lowest sea temperatures during the month were 88.0°F and 85.8°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 86.5°F. The highest and lowest sea temperatures during the month were 87.8°F and 84.9°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 86.9°F. The highest and lowest sea temperatures during the month were 87.8°F and 84.7°F.
current
weather
weather
| Galveston Island |
weather in
October
October
| Galveston Island |
Best time for vacation in Galveston Island
Galveston Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Galveston Island
Local time: 07:13
October 14, wednesday
0900
81°F
N
16 mph
16 mph
1200
81°F
NW
15 mph
15 mph
1500
81°F
NW
14 mph
14 mph
1800
81°F
NW
16 mph
16 mph
2100
81°F
NW
17 mph
17 mph
October 15, thursday
0000
81°F
NW
17 mph
17 mph
0300
81°F
NW
15 mph
15 mph
0600
81°F
NW
13 mph
13 mph
