Current sea water temperature:
+76.6°F
| Minimum sea water temperature in October: | 80.2°F |
| Maximum sea water temperature in October: | 66.0°F |
| Average sea water temperature in October: | 73.9°F |
| more information | |
14 days
forecast
forecast
| Hilton Head Island |
monthly
weather
weather
| Hilton Head Island |
Sea water temperature for the last 10 days:
| October 12 | 76.6°F | October 7 | 78.8°F |
| October 11 | 77.9°F | October 6 | 79.3°F |
| October 10 | 77.5°F | October 5 | 79.3°F |
| October 9 | 77.9°F | October 4 | 79.5°F |
| October 8 | 78.3°F | October 3 | 79.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Hilton Head Island?
Based on the data about daily sea water temperature for the last three years the warmest sea in Hilton Head Island was noticed in August, July and September.
Monthly Sea Temperatures in Hilton Head Island, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 86.2°F. The highest and lowest sea temperatures during the month were 88.0°F and 84.7°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 87.3°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 83.2°F. The highest and lowest sea temperatures during the month were 86.0°F and 77.5°F.
current
weather
weather
| Hilton Head Island |
weather in
October
October
| Hilton Head Island |
Best time for vacation in Hilton Head Island
Hilton Head Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Hilton Head Island
Local time: 13:38
October 12, monday
1500

82°F
SE
9 mph
9 mph
1800

81°F
SE
7 mph
7 mph
2100

75°F
SE
4 mph
4 mph
October 13, tuesday
0000

73°F
S
5 mph
5 mph
0300

72°F
S
4 mph
4 mph
0600

70°F
S
6 mph
6 mph
0900

72°F
S
6 mph
6 mph
1200

81°F
W
5 mph
5 mph




























