Measurements:
°C
°F
Fenwick Island
108°F
E 10 mph
Feels like: 110°F
Precip: 0%
World Resorts USA Fenwick Island Weather

Fenwick Island Sea Water Temperature

Current Sea Water Temperature:
+78.4°F
Maximum Sea Water Temperature in July: 85.2°F
Minimum Sea Water Temperature in July: 69.4°F
Average water temperature in July: 78.1°F

Sea Water Temperature for the Last 10 Days:

July 15 78.4°F July 10 74.0°F
July 14 80.4°F July 09 74.4°F
July 13 78.2°F July 08 75.0°F
July 12 80.4°F July 07 75.8°F
July 11 77.4°F July 06 77.8°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Fenwick Island was 76.9°F. The maximum and minimum values were 74.0°F and 80.4°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
June 15 days
October 15 days
The most warm months:
July 86.9 °F
August 83.9 °F
June 81.7 °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 +96
Chicago +86
Hawaii +82
Houston +80
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
Fenwick Island
Local time: 16:50
15 jul, wednesday
1800 108°F
E
10 mph
2100 92°F
NE
9 mph
16 jul, thursday
0000 88°F
NE
9 mph
0300 80°F
E
9 mph
0600 78°F
S
5 mph
0900 84°F
S
4 mph
1200 88°F
E
1 mph
1500 92°F
N
7 mph