Current sea water temperature:
+55.8°F
| Minimum sea water temperature in March: | 63.7°F |
| Maximum sea water temperature in March: | 50.2°F |
| Average sea water temperature in March: | 57.4°F |
| more information | |
14 days
forecast
forecast
| North Myrtle Beach |
monthly
weather
weather
| North Myrtle Beach |
Sea water temperature for the last 10 days:
| March 18 | 55.8°F | March 13 | 57.7°F |
| March 17 | 55.4°F | March 12 | 59.9°F |
| March 16 | 55.0°F | March 11 | 59.0°F |
| March 15 | 54.7°F | March 10 | 58.1°F |
| March 14 | 54.5°F | March 9 | 58.3°F |
Monthly sea water temperature, °F
When is the warmest sea in North Myrtle Beach?
Based on the data about daily sea water temperature for the last three years the warmest sea in North Myrtle Beach was noticed in August, July and September.
Monthly Sea Temperatures in North Myrtle Beach, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 83.2°F. The highest and lowest sea temperatures during the month were 86.2°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 82.7°F. The highest and lowest sea temperatures during the month were 86.0°F and 78.8°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 78.5°F. The highest and lowest sea temperatures during the month were 80.8°F and 75.7°F.
current
weather
weather
| North Myrtle Beach |
weather in
March
March
| North Myrtle Beach |
Best time for vacation in North Myrtle Beach
North Myrtle Beach on a weather map
Places in USA:
Name
°F
24 Hours Forecast
North Myrtle Beach
Local time: 17:35
March 18, wednesday
1800
54°F
S
4 mph
4 mph
2100
48°F
S
7 mph
7 mph
March 19, thursday
0000
45°F
SW
8 mph
8 mph
0300
43°F
SW
9 mph
9 mph
0600
43°F
SW
9 mph
9 mph
0900
46°F
S
8 mph
8 mph
1200
55°F
S
8 mph
8 mph
1500
57°F
SW
5 mph
5 mph
