Current sea water temperature:
+53.6°F
| Minimum sea water temperature in December: | 64.9°F |
| Maximum sea water temperature in December: | 49.3°F |
| Average sea water temperature in December: | 56.1°F |
| more information | |
14 days
forecast
forecast
| North Myrtle Beach |
monthly
weather
weather
| North Myrtle Beach |
Sea water temperature for the last 10 days:
| December 30 | 53.6°F | December 25 | 52.5°F |
| December 29 | 53.6°F | December 24 | 51.6°F |
| December 28 | 53.6°F | December 23 | 53.1°F |
| December 27 | 53.4°F | December 22 | 52.7°F |
| December 26 | 53.6°F | December 21 | 52.7°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
January
January
| 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: 15:05
December 30, tuesday
1800
48°F
SE
6 mph
6 mph
2100
39°F
SE
2 mph
2 mph
December 31, wednesday
0000
37°F
S
3 mph
3 mph
0300
36°F
E
5 mph
5 mph
0600
36°F
E
6 mph
6 mph
0900
41°F
E
6 mph
6 mph
1200
48°F
E
6 mph
6 mph
1500
54°F
NE
8 mph
8 mph
