Current sea water temperature:
+54.9°F
| Minimum sea water temperature in January: | 58.8°F |
| Maximum sea water temperature in January: | 44.6°F |
| Average sea water temperature in January: | 52.7°F |
| more information | |
14 days
forecast
forecast
| Myrtle Beach |
monthly
weather
weather
| Myrtle Beach |
Sea water temperature for the last 10 days:
| January 12 | 54.9°F | January 7 | 53.2°F |
| January 11 | 54.3°F | January 6 | 52.0°F |
| January 10 | 52.2°F | January 5 | 50.5°F |
| January 9 | 53.1°F | January 4 | 52.2°F |
| January 8 | 53.4°F | January 3 | 51.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Myrtle Beach?
Based on the data about daily sea water temperature for the last three years the warmest sea in Myrtle Beach was noticed in August, July and September.
Monthly Sea Temperatures in Myrtle Beach, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 83.1°F. The highest and lowest sea temperatures during the month were 86.0°F and 81.9°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 81.8°F. The highest and lowest sea temperatures during the month were 85.5°F and 77.0°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 78.6°F. The highest and lowest sea temperatures during the month were 81.1°F and 75.6°F.
current
weather
weather
| Myrtle Beach |
weather in
January
January
| Myrtle Beach |
Best time for vacation in Myrtle Beach
Myrtle Beach on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Myrtle Beach
Local time: 17:52
January 12, monday
1800
48°F
NW
4 mph
4 mph
2100
45°F
N
2 mph
2 mph
January 13, tuesday
0000
43°F
SE
3 mph
3 mph
0300
41°F
E
3 mph
3 mph
0600
41°F
SE
4 mph
4 mph
0900
45°F
SE
2 mph
2 mph
1200
50°F
N
2 mph
2 mph
1500
55°F
N
6 mph
6 mph
