World Resorts USA Myrtle Beach Weather

Myrtle Beach sea water temperature

Current sea water temperature:
+84.4°F
Minimum sea water temperature in July: 85.8°F
Maximum sea water temperature in July: 77.0°F
Average sea water temperature in July: 83.0°F

Sea water temperature for the last 10 days:

July 16 84.4°F July 11 85.5°F
July 15 84.2°F July 10 85.5°F
July 14 84.6°F July 9 85.1°F
July 13 84.9°F July 8 84.4°F
July 12 85.3°F July 7 84.6°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:
2026
2025
2024

The average sea water temperature in July of 2026 was 84.6°F. The highest and lowest sea temperatures during the month were 85.5°F and 83.3°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.

Best time for vacation in Myrtle Beach

Sunniest months:
October 17 days
April 17 days
November 16 days
Warmest months:
July 87.0 °F
August 85.5 °F
June 84.7 °F
Warmest sea temp:
August 83.0 °F
July 82.9 °F
September 80.4 °F
Coldest months:
January 53.8 °F
December 57.2 °F
February 57.8 °F
Rainiest months:
August 5 days
July 4 days
June 3 days
Windiest months:
March 8.9 mph
February 8.7 mph
April 8.7 mph

Myrtle Beach on a weather map

Myrtle Beach
+73°F
E 4 mph
Feels like: +77°F
Precip.: 12%
Places in USA:
Name
°F
+66°F
+77°F
+88°F
+66°F
+77°F
+70°F
+73°F
+72°F
+66°F
+59°F
+68°F
+81°F
+79°F
+77°F
+79°F
24 Hours Forecast
Myrtle Beach
Local time: 07:09
July 16, thursday
0900
81°F
NE
3 mph
1200
93°F
N
6 mph
1500
93°F
NW
12 mph
1800
88°F
N
12 mph
2100
82°F
NE
11 mph
July 17, friday
0000
81°F
NE
8 mph
0300
81°F
NE
6 mph
0600
79°F
NE
6 mph
Units of measurement: °C / °F