Measurements:
°C
°F
Fenwick Island
76°F
NW 7 mph
Feels like: 76°F
Precip: 1%
World Resorts USA Fenwick Island Weather

Fenwick Island Sea Water Temperature

Current Sea Water Temperature:
+64.6°F
Maximum Sea Water Temperature in June: 82.0°F
Minimum Sea Water Temperature in June: 61.4°F
Average water temperature in June: 69.7°F

Sea Water Temperature for the Last 10 Days:

June 04 64.6°F May 29 64.0°F
June 03 63.8°F May 28 64.6°F
June 01 64.2°F May 27 62.2°F
May 31 64.4°F May 26 60.4°F
May 30 64.8°F May 25 59.8°F

When is the Warmest Sea for Fenwick Island?

According to our data for the last three years for Fenwick Island 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: 2025 2024 2023

The average sea surface temperature in July 2025 for Fenwick Island was 79.9°F. The maximum and minimum values were 76.6°F and 83.2°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Fenwick Island was 78.5°F. The maximum and minimum values were 76.2°F and 82.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Fenwick Island was 75.3°F. The maximum and minimum values were 73.0°F and 78.0°F respectively.

Best Time to Visit Fenwick Island
The most sunny months:
November 17 days
October 15 days
January 14 days
The most warm months:
July 86.9 °F
August 83.9 °F
June 80.9 °F
Warmest sea temperature:
July 78.2 °F
August 77.6 °F
September 76.0 °F
The most cold months:
January 40.4 °F
February 43.6 °F
December 46.0 °F
The most rainy months:
August 4 days
July 3 days
October 3 days
The most windy months:
March 12 mph
January 11 mph
February 11 mph

Fenwick Island on the Weather Map

USA Resorts:
NAME
Boston +90
Chicago +76
Hawaii +78
Honolulu +78
Houston +86
Las Vegas +92
Los Angeles +70
Maui +70
Miami +82
Miami Beach +84
New York +94
San Diego +64
San Francisco +60
Sarasota +94
Tampa +92
24 Hours Weather Forecast
Fenwick Island
Local time: 12:54
04 jun, thursday
1500 72°F
NW
11 mph
1800 70°F
N
12 mph
2100 66°F
N
10 mph
05 jun, friday
0000 64°F
NE
9 mph
0300 62°F
NE
9 mph
0600 64°F
NE
7 mph
0900 72°F
E
8 mph
1200 78°F
NE
6 mph