Measurements:
°C
°F
North Myrtle Beach
90°F
N 9 mph
Feels like: 100°F
Precip: 6%
World Resorts USA North Myrtle Beach Weather

North Myrtle Beach Sea Water Temperature

Current Sea Water Temperature:
+88.2°F
Maximum Sea Water Temperature in July: 90.0°F
Minimum Sea Water Temperature in July: 82.0°F
Average water temperature in July: 87.0°F

Sea Water Temperature for the Last 10 Days:

July 15 88.2°F July 10 89.4°F
July 14 88.6°F July 09 89.0°F
July 13 88.6°F July 08 87.0°F
July 12 88.8°F July 07 88.4°F
July 11 89.4°F July 06 88.8°F

When is the Warmest Sea for North Myrtle Beach?

According to our data for the last three years for North Myrtle Beach the highest average sea water temperature was in July, August and September.

Average Water Temperature by Month, °F

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for North Myrtle Beach was 88.3°F. The maximum and minimum values were 87.0°F and 89.4°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for North Myrtle Beach was 86.9°F. The maximum and minimum values were 85.4°F and 90.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for North Myrtle Beach was 81.7°F. The maximum and minimum values were 78.6°F and 84.2°F respectively.

Best Time to Visit North Myrtle Beach
The most sunny months:
October 17 days
April 17 days
November 16 days
The most warm months:
July 89.3 °F
August 87.8 °F
June 86.5 °F
Warmest sea temperature:
August 87.0 °F
July 86.9 °F
September 83.7 °F
The most cold months:
January 52.9 °F
February 56.8 °F
December 57.0 °F
The most rainy months:
August 6 days
July 5 days
September 3 days
The most windy months:
March 10 mph
February 10 mph
April 9 mph

North Myrtle Beach on the Weather Map

USA Resorts:
NAME
Boston +96
Chicago +84
Hawaii +82
Houston +82
Las Vegas +118
Los Angeles +100
Maui +78
Miami +96
Myrtle Beach +90
New York +104
San Diego +94
San Francisco +82
Santa Monica +82
Sarasota +96
Tampa +98
24 Hours Weather Forecast
North Myrtle Beach
Local time: 17:35
15 jul, wednesday
1800 90°F
N
9 mph
2100 84°F
N
7 mph
16 jul, thursday
0000 82°F
NE
7 mph
0300 80°F
E
5 mph
0600 80°F
E
4 mph
0900 86°F
NE
5 mph
1200 92°F
N
6 mph
1500 92°F
N
12 mph