Current sea water temperature:
+54.5°F
| Minimum sea water temperature in February: | 65.3°F |
| Maximum sea water temperature in February: | 45.7°F |
| Average sea water temperature in February: | 56.1°F |
| more information | |
14 days
forecast
forecast
| St. Simons Island |
monthly
weather
weather
| St. Simons Island |
Sea water temperature for the last 10 days:
| February 26 | 54.5°F | February 21 | 54.3°F |
| February 25 | 55.2°F | February 20 | 54.0°F |
| February 24 | 57.2°F | February 19 | 54.0°F |
| February 23 | 56.8°F | February 18 | 53.1°F |
| February 22 | 53.8°F | February 17 | 54.3°F |
Monthly sea water temperature, °F
When is the warmest sea in St. Simons Island?
Based on the data about daily sea water temperature for the last three years the warmest sea in St. Simons Island was noticed in August, July and September.
Monthly Sea Temperatures in St. Simons Island, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 85.7°F. The highest and lowest sea temperatures during the month were 87.6°F and 83.5°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 84.5°F. The highest and lowest sea temperatures during the month were 87.6°F and 81.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 80.7°F. The highest and lowest sea temperatures during the month were 83.5°F and 77.9°F.
current
weather
weather
| St. Simons Island |
weather in
March
March
| St. Simons Island |
Best time for vacation in St. Simons Island
St. Simons Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
St. Simons Island
Local time: 18:06
February 26, thursday
2100

64°F
NE
9 mph
9 mph
February 27, friday
0000

61°F
NE
7 mph
7 mph
0300

59°F
NE
7 mph
7 mph
0600

59°F
N
9 mph
9 mph
0900

61°F
NE
10 mph
10 mph
1200

66°F
NE
7 mph
7 mph
1500

70°F
SW
11 mph
11 mph
1800

68°F
W
5 mph
5 mph






























