Current sea water temperature:
+69.8°F
| Minimum sea water temperature in May: | 77.5°F |
| Maximum sea water temperature in May: | 65.5°F |
| Average sea water temperature in May: | 72.2°F |
| more information | |
14 days
forecast
forecast
| Myrtle Beach |
monthly
weather
weather
| Myrtle Beach |
Sea water temperature for the last 10 days:
| May 16 | 69.8°F | May 11 | 71.2°F |
| May 15 | 70.0°F | May 10 | 69.4°F |
| May 14 | 70.3°F | May 9 | 68.9°F |
| May 13 | 70.9°F | May 8 | 70.5°F |
| May 12 | 70.7°F | May 7 | 68.5°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
May
May
| 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: 17:28
May 16, saturday
1800
81°F
N
14 mph
14 mph
2100
72°F
N
11 mph
11 mph
May 17, sunday
0000
70°F
N
10 mph
10 mph
0300
68°F
N
7 mph
7 mph
0600
68°F
N
5 mph
5 mph
0900
75°F
N
6 mph
6 mph
1200
79°F
N
10 mph
10 mph
1500
79°F
N
12 mph
12 mph
