Measurements:
°C
°F
Fenwick Island
74°F
SW 15 mph
Feels like: 80°F
Precip: 10%
World Resorts USA Fenwick Island Weather

Fenwick Island Sea Water Temperature

Current Sea Water Temperature:
+79.0°F
Maximum Sea Water Temperature in September: 83.8°F
Minimum Sea Water Temperature in September: 70.8°F
Average water temperature in September: 76.4°F

Sea Water Temperature for the Last 10 Days:

September 15 79.0°F September 10 80.6°F
September 14 80.2°F September 09 80.8°F
September 13 79.4°F September 08 81.0°F
September 12 79.6°F September 07 81.0°F
September 11 80.4°F September 06 82.4°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Fenwick Island was 77.7°F. The maximum and minimum values were 74.0°F and 80.6°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Fenwick Island was 79.8°F. The maximum and minimum values were 76.4°F and 82.0°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Fenwick Island was 80.7°F. The maximum and minimum values were 79.0°F and 82.4°F respectively.

Best Time to Visit Fenwick Island
The most sunny months:
November 17 days
June 15 days
October 15 days
The most warm months:
July 87.5 °F
August 84.5 °F
June 81.7 °F
Warmest sea temperature:
July 78.1 °F
August 77.9 °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 3 days
October 3 days
July 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 +62
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +72
Maui +66
Miami +88
Myrtle Beach +78
New York +66
Panama City Beach +90
San Diego +70
San Francisco +60
Santa Monica +72
Sarasota +86
Washington +66
24 Hours Weather Forecast
Fenwick Island
Local time: 09:42
15 sep, tuesday
1200 74°F
W
14 mph
1500 74°F
W
10 mph
1800 72°F
W
10 mph
2100 74°F
W
10 mph
16 sep, wednesday
0000 72°F
NW
9 mph
0300 72°F
NW
6 mph
0600 72°F
W
4 mph
0900 72°F
W
5 mph