Measurements:
°C
°F
Amelia Island
88°F
NW 7 mph
Feels like: 96°F
Precip: 26%
World Resorts USA Amelia Island Weather

Amelia Island Sea Water Temperature

Current Sea Water Temperature:
+85.8°F
Maximum Sea Water Temperature in August: 90.4°F
Minimum Sea Water Temperature in August: 84.0°F
Average water temperature in August: 87.7°F

Sea Water Temperature for the Last 10 Days:

August 25 85.8°F August 20 87.2°F
August 24 86.0°F August 19 87.8°F
August 23 86.6°F August 18 88.0°F
August 22 87.2°F August 17 87.0°F
August 21 87.4°F August 16 86.8°F

When is the Warmest Sea for Amelia Island?

According to our data for the last three years for Amelia Island the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Amelia Island was 86.6°F. The maximum and minimum values were 85.4°F and 88.0°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Amelia Island was 88.8°F. The maximum and minimum values were 87.4°F and 90.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Amelia Island was 84.4°F. The maximum and minimum values were 81.4°F and 88.0°F respectively.

Best Time to Visit Amelia Island
The most sunny months:
April 16 days
October 15 days
March 14 days
The most warm months:
July 93.0 °F
August 91.5 °F
June 90.3 °F
Warmest sea temperature:
August 87.6 °F
July 87.1 °F
September 85.8 °F
The most cold months:
January 61.3 °F
December 65.0 °F
February 66.4 °F
The most rainy months:
August 5 days
September 5 days
July 4 days
The most windy months:
April 7 mph
March 7 mph
January 7 mph

Amelia Island on the Weather Map

USA Resorts:
NAME
Boston +80
Chicago +82
Hawaii +84
Houston +108
Las Vegas +116
Los Angeles +96
Maui +70
Miami +92
Myrtle Beach +84
New York +82
San Diego +96
San Francisco +64
Santa Monica +86
Sarasota +92
Washington +84
24 Hours Weather Forecast
Amelia Island
Local time: 17:27
25 aug, tuesday
1800 88°F
NW
7 mph
2100 88°F
NW
8 mph
26 aug, wednesday
0000 82°F
SE
6 mph
0300 82°F
E
6 mph
0600 82°F
NE
4 mph
0900 84°F
NE
5 mph
1200 96°F
NE
3 mph
1500 94°F
W
11 mph