Measurements:
°C
°F
Grand Isle
68°F
N 5 mph
Feels like: 68°F
Precip: 0%
World Resorts USA Grand Isle Weather

Grand Isle Sea Water Temperature

Current Sea Water Temperature:
+72.6°F
Maximum Sea Water Temperature in November: 83.2°F
Minimum Sea Water Temperature in November: 65.4°F
Average water temperature in November: 73.8°F

Sea Water Temperature for the Last 10 Days:

November 24 72.6°F November 19 76.8°F
November 23 74.6°F November 18 77.0°F
November 22 74.2°F November 17 76.8°F
November 21 76.2°F November 16 77.4°F
November 20 77.6°F November 15 79.8°F

When is the Warmest Sea for Grand Isle?

According to our data for the last three years for Grand Isle the highest average sea water temperature was in August, July and June.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2024 2023 2022

The average sea surface temperature in August 2024 for Grand Isle was 93.7°F. The maximum and minimum values were 89.0°F and 96.2°F respectively.

Sea Water Temperature in July

Select Year: 2024 2023 2022

The average sea surface temperature in July 2024 for Grand Isle was 91.9°F. The maximum and minimum values were 89.6°F and 94.0°F respectively.

Sea Water Temperature in June

Select Year: 2024 2023 2022

The average sea surface temperature in June 2024 for Grand Isle was 89.4°F. The maximum and minimum values were 86.4°F and 92.6°F respectively.

Best Time to Visit Grand Isle
The most sunny months:
October 15 days
November 13 days
May 13 days
The most warm months:
August 89.9 °F
July 89.2 °F
June 87.5 °F
Warmest sea temperature:
August 92.2 °F
July 91.1 °F
June 88.7 °F
The most cold months:
January 60.7 °F
February 62.6 °F
December 64.7 °F
The most rainy months:
July 6 days
August 5 days
June 4 days
The most windy months:
April 12 mph
January 12 mph
March 12 mph

Grand Isle on the Weather Map

USA Resorts:
NAME
Boston +40
Chicago +36
Hawaii +72
Honolulu +72
Houston +66
Las Vegas +44
Los Angeles +56
Maui +68
Miami +70
New York +42
San Diego +60
San Francisco +50
Sarasota +56
Tampa +54
Washington +44
24 Hours Weather Forecast
Grand Isle
Local time: 07:20
24 nov, sunday
0900 70°F
N
6 mph
1200 72°F
N
9 mph
1500 72°F
N
9 mph
1800 72°F
N
8 mph
2100 72°F
N
14 mph
25 nov, monday
0000 72°F
N
12 mph
0300 72°F
NE
11 mph
0600 74°F
NE
12 mph