World Resorts USA Myrtle Beach Weather

Myrtle Beach sea water temperature

Current sea water temperature:
+78.4°F
Minimum sea water temperature in October: 80.2°F
Maximum sea water temperature in October: 65.5°F
Average sea water temperature in October: 72.9°F

Sea water temperature for the last 10 days:

October 4 78.4°F September 29 76.8°F
October 3 78.4°F September 28 77.4°F
October 2 77.7°F September 27 78.1°F
October 1 77.2°F September 26 79.2°F
September 30 77.0°F September 25 80.4°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:
2026
2025
2024

The average sea water temperature in August of 2026 was 83.7°F. The highest and lowest sea temperatures during the month were 85.3°F and 82.2°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 85.8°F and 83.3°F.

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 82.0°F. The highest and lowest sea temperatures during the month were 84.7°F and 76.8°F.

Best time for vacation in Myrtle Beach

Sunniest months:
October 17 days
April 17 days
November 16 days
Warmest months:
July 87.8 °F
August 85.7 °F
June 84.7 °F
Warmest sea temp:
August 83.1 °F
July 83.1 °F
September 80.6 °F
Coldest months:
January 53.8 °F
December 57.2 °F
February 57.8 °F
Rainiest months:
August 5 days
June 3 days
September 3 days
Windiest months:
March 8.9 mph
February 8.7 mph
April 8.7 mph

Myrtle Beach on a weather map

Myrtle Beach
+72°F
S 6 mph
Feels like: +72°F
Precip.: 30%
Places in USA:
Name
°F
+57°F
+61°F
+79°F
+91°F
+91°F
+84°F
+73°F
+72°F
+61°F
+82°F
+68°F
+84°F
+82°F
+64°F
24 Hours Forecast
Myrtle Beach
Local time: 21:15
October 05, monday
0000
70°F
S
4 mph
0300
68°F
S
4 mph
0600
66°F
S
4 mph
0900
66°F
S
4 mph
1200
73°F
SW
6 mph
1500
77°F
SW
6 mph
1800
75°F
SW
6 mph
2100
72°F
SW
6 mph
Units of measurement: °C / °F