09.04
thu
thu
Day
72°F
W 22 mph
Precip.
0%
0%
Night
70°F
W 21 mph
Precip.
0%
0%
10.04
fri
fri
Day
73°F
W 15 mph
Precip.
0%
0%
Night
70°F
W 15 mph
Precip.
0%
0%
11.04
sat
sat
Day
72°F
NW 17 mph
Precip.
0%
0%
Night
70°F
NW 20 mph
Precip.
0%
0%
12.04
sun
sun
Day
73°F
NW 16 mph
Precip.
68%
68%
Night
72°F
NW 19 mph
Precip.
0%
0%
13.04
mon
mon
Day
73°F
NW 16 mph
Precip.
74%
74%
Night
73°F
NW 16 mph
Precip.
100%
100%
14.04
tue
tue
Day
73°F
NW 16 mph
Precip.
0%
0%
Night
73°F
N 15 mph
Precip.
43%
43%
15.04
wed
wed
Day
75°F
N 11 mph
Precip.
24%
24%
Night
73°F
NW 12 mph
Precip.
0%
0%
16.04
thu
thu
Day
75°F
NW 12 mph
Precip.
25%
25%
Night
73°F
NW 14 mph
Precip.
0%
0%
17.04
fri
fri
Day
75°F
NW 14 mph
Precip.
0%
0%
Night
73°F
NW 13 mph
Precip.
0%
0%
18.04
sat
sat
Day
73°F
NW 14 mph
Precip.
0%
0%
Night
73°F
NW 14 mph
Precip.
0%
0%
19.04
sun
sun
Day
73°F
NW 16 mph
Precip.
0%
0%
Night
75°F
NW 16 mph
Precip.
27%
27%
20.04
mon
mon
Day
75°F
NW 14 mph
Precip.
61%
61%
Night
75°F
NW 15 mph
Precip.
0%
0%
21.04
tue
tue
Day
75°F
NW 14 mph
Precip.
0%
0%
Night
75°F
N 10 mph
Precip.
0%
0%
22.04
wed
wed
Day
75°F
NW 11 mph
Precip.
78%
78%
Night
75°F
N 10 mph
Precip.
0%
0%
sea water
temperature
temperature
| Grand Isle |
monthly
weather
weather
| Grand Isle |
current
weather
weather
| Grand Isle |
7 days
forecast
forecast
| Grand Isle |
Sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 75.2°F. The highest and lowest sea temperatures during the month were 80.1°F and 71.6°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: 06:17
April 09, thursday
0900
70°F
W
21 mph
21 mph
1200
72°F
W
22 mph
22 mph
1500
72°F
W
22 mph
22 mph
1800
72°F
W
21 mph
21 mph
2100
70°F
W
21 mph
21 mph
April 10, friday
0000
70°F
W
21 mph
21 mph
0300
72°F
W
17 mph
17 mph
0600
72°F
W
15 mph
15 mph
