26.02
thu
thu
Day
64°F
N 15 mph
Precip.
0%
0%
Night
64°F
NE 9 mph
Precip.
0%
0%
27.02
fri
fri
Day
66°F
NE 8 mph
Precip.
0%
0%
Night
64°F
SW 9 mph
Precip.
0%
0%
28.02
sat
sat
Day
64°F
W 10 mph
Precip.
0%
0%
Night
59°F
W 10 mph
Precip.
0%
0%
01.03
sun
sun
Day
61°F
NW 11 mph
Precip.
0%
0%
Night
66°F
W 11 mph
Precip.
0%
0%
02.03
mon
mon
Day
68°F
NW 7 mph
Precip.
83%
83%
Night
66°F
NW 11 mph
Precip.
0%
0%
03.03
tue
tue
Day
66°F
NW 15 mph
Precip.
79%
79%
Night
66°F
NW 17 mph
Precip.
0%
0%
04.03
wed
wed
Day
66°F
NW 16 mph
Precip.
0%
0%
Night
68°F
NW 10 mph
Precip.
0%
0%
sea water
temperature
temperature
| Grand Isle |
monthly
weather
weather
| Grand Isle |
current
weather
weather
| Grand Isle |
14 days
forecast
forecast
| Grand Isle |
Sea water temperature in February, °F
Show year:
2026
2025
2024
The average sea water temperature in February of 2026 was 61.2°F. The highest and lowest sea temperatures during the month were 66.6°F and 53.4°F.
Sea water temperature in March, °F
Show year:
2025
2024
2023
The average sea water temperature in March of 2025 was 67.3°F. The highest and lowest sea temperatures during the month were 72.7°F and 61.7°F.
Air temperature in Grand Isle, °F
Precipitation total in Grand Isle, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Grand Isle
Grand Isle on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Grand Isle
Local time: 13:46
February 26, thursday
1500
64°F
NE
12 mph
12 mph
1800
64°F
NE
9 mph
9 mph
2100
64°F
NE
10 mph
10 mph
February 27, friday
0000
64°F
NE
9 mph
9 mph
0300
64°F
NE
7 mph
7 mph
0600
64°F
NE
7 mph
7 mph
0900
64°F
NE
11 mph
11 mph
1200
66°F
NE
8 mph
8 mph
