Measurements:
°C
°F
Fenwick Island
48°F
N 29 mph
Feels like: 40°F
Precip: 0%
World Resorts USA Fenwick Island Weather

Fenwick Island Sea Water Temperature

Current Sea Water Temperature:
+36.8°F
Maximum Sea Water Temperature in March: 50.0°F
Minimum Sea Water Temperature in March: 34.6°F
Average water temperature in March: 44.4°F

Sea Water Temperature for the Last 10 Days:

March 13 36.8°F March 08 36.8°F
March 12 38.0°F March 07 35.6°F
March 11 38.6°F March 06 36.0°F
March 10 39.4°F March 05 35.8°F
March 09 37.2°F March 04 35.2°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 11 mph
January 11 mph
February 11 mph

Fenwick Island on the Weather Map

USA Resorts:
NAME
Chicago +42
Hawaii +76
Honolulu +76
Houston +82
Las Vegas +96
Los Angeles +100
Maui +70
Miami +84
Miami Beach +82
New York +42
San Diego +94
San Francisco +72
Sarasota +80
Tampa +80
Washington +56
24 Hours Weather Forecast
Fenwick Island
Local time: 17:06
13 mar, friday
1800 48°F
N
29 mph
2100 44°F
NE
24 mph
14 mar, saturday
0000 44°F
NE
22 mph
0300 44°F
NE
16 mph
0600 42°F
E
15 mph
0900 46°F
E
20 mph
1200 50°F
E
22 mph
1500 54°F
SE
20 mph