Current sea water temperature:
+85.1°F
| Minimum sea water temperature in September: | 87.1°F |
| Maximum sea water temperature in September: | 79.2°F |
| Average sea water temperature in September: | 83.9°F |
| more information | |
14 days
forecast
forecast
| St. George Island |
monthly
weather
weather
| St. George Island |
Sea water temperature for the last 10 days:
| September 2 | 85.1°F | August 28 | 86.5°F |
| September 1 | 84.9°F | August 27 | 86.4°F |
| August 31 | 85.3°F | August 26 | 86.7°F |
| August 30 | 85.6°F | August 25 | 87.3°F |
| August 29 | 86.0°F | August 24 | 87.4°F |
Monthly sea water temperature, °F
When is the warmest sea in St. George Island?
Based on the data about daily sea water temperature for the last three years the warmest sea in St. George Island was noticed in August, July and September.
Monthly Sea Temperatures in St. George Island, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 86.7°F. The highest and lowest sea temperatures during the month were 88.2°F and 85.3°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 86.3°F. The highest and lowest sea temperatures during the month were 88.0°F and 84.4°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 83.5°F. The highest and lowest sea temperatures during the month were 85.1°F and 81.7°F.
current
weather
weather
| St. George Island |
weather in
September
September
| St. George Island |
Best time for vacation in St. George Island
St. George Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
St. George Island
Local time: 09:46
September 02, wednesday
1200

86°F
W
9 mph
9 mph
1500

90°F
NW
13 mph
13 mph
1800

86°F
NW
8 mph
8 mph
2100

81°F
NW
7 mph
7 mph
September 03, thursday
0000

81°F
W
5 mph
5 mph
0300

79°F
SW
6 mph
6 mph
0600

77°F
SW
6 mph
6 mph
0900

79°F
SW
7 mph
7 mph



























