Measurements:
°C
°F
Fenwick Island
66°F
SE 12 mph
Feels like: 66°F
Precip: 3%
World Resorts USA Fenwick Island Weather

Fenwick Island Sea Water Temperature

Current Sea Water Temperature:
+68.4°F
Maximum Sea Water Temperature in October: 74.8°F
Minimum Sea Water Temperature in October: 61.6°F
Average water temperature in October: 68.3°F

Sea Water Temperature for the Last 10 Days:

October 05 68.4°F September 30 66.4°F
October 04 69.0°F September 29 67.6°F
October 03 69.4°F September 28 67.6°F
October 02 69.0°F September 27 68.8°F
October 01 67.6°F September 26 71.0°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 77.4°F. The maximum and minimum values were 66.4°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 76.2 °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
F°
Boston +58
Chicago +62
Hawaii +82
Houston +86
Las Vegas +92
Los Angeles +100
Maui +74
Miami +88
Myrtle Beach +70
New York +62
San Diego +84
San Francisco +66
Santa Monica +94
Sarasota +84
Washington +64
24 Hours Weather Forecast
Fenwick Island
Local time: 19:52
05 oct, monday
2100 66°F
SE
12 mph
06 oct, tuesday
0000 66°F
S
18 mph
0300 62°F
S
20 mph
0600 60°F
S
19 mph
0900 58°F
S
16 mph
1200 58°F
S
14 mph
1500 60°F
S
11 mph
1800 60°F
S
8 mph