Current sea water temperature:
+55.4°F
| Minimum sea water temperature in March: | 62.6°F |
| Maximum sea water temperature in March: | 50.0°F |
| Average sea water temperature in March: | 57.5°F |
| more information | |
14 days
forecast
forecast
| Myrtle Beach |
monthly
weather
weather
| Myrtle Beach |
Sea water temperature for the last 10 days:
| March 16 | 55.4°F | March 11 | 57.6°F |
| March 15 | 55.6°F | March 10 | 57.4°F |
| March 14 | 54.9°F | March 9 | 57.6°F |
| March 13 | 55.8°F | March 8 | 57.9°F |
| March 12 | 57.7°F | March 7 | 56.5°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
March
March
| 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: 00:26
March 17, tuesday
0300
39°F
SE
13 mph
13 mph
0600
36°F
SE
12 mph
12 mph
0900
37°F
SE
12 mph
12 mph
1200
45°F
SE
9 mph
9 mph
1500
48°F
E
9 mph
9 mph
1800
54°F
E
12 mph
12 mph
2100
48°F
E
7 mph
7 mph
March 18, wednesday
0000
45°F
S
14 mph
14 mph
