25.08
tue
tue
Day
84°F
NE 3 mph
Precip.
11%
11%
Night
77°F
NW 3 mph
Precip.
9%
9%
26.08
wed
wed
Day
90°F
N 4 mph
Precip.
2%
2%
Night
77°F
N 5 mph
Precip.
62%
62%
27.08
thu
thu
Day
90°F
NE 6 mph
Precip.
3%
3%
Night
75°F
N 5 mph
Precip.
30%
30%
28.08
fri
fri
Day
91°F
NE 5 mph
Precip.
9%
9%
Night
73°F
S 2 mph
Precip.
71%
71%
29.08
sat
sat
Day
81°F
NE 2 mph
Precip.
18%
18%
Night
79°F
NW 4 mph
Precip.
28%
28%
30.08
sun
sun
Day
90°F
NW 6 mph
Precip.
17%
17%
Night
81°F
N 7 mph
Precip.
14%
14%
31.08
mon
mon
Day
93°F
NE 6 mph
Precip.
2%
2%
Night
81°F
N 6 mph
Precip.
12%
12%
sea water
temperature
temperature
| Myrtle Beach |
monthly
weather
weather
| Myrtle Beach |
current
weather
weather
| Myrtle Beach |
14 days
forecast
forecast
| Myrtle Beach |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 83.9°F. The highest and lowest sea temperatures during the month were 85.3°F and 82.8°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.
Air temperature in Myrtle Beach, °F
Precipitation total in Myrtle Beach, in.
* Charts above show average data for the last 3 years.
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: 14:58
August 25, tuesday
1500
84°F
W
3 mph
3 mph
1800
84°F
NW
7 mph
7 mph
2100
77°F
W
5 mph
5 mph
August 26, wednesday
0000
77°F
NW
3 mph
3 mph
0300
73°F
SE
1 mph
1 mph
0600
73°F
S
2 mph
2 mph
0900
81°F
W
4 mph
4 mph
1200
90°F
N
4 mph
4 mph
