21.12
sat
sat
Day
48°F
SW 15 mph
Precip.
0%
0%
Night
50°F
SW 16 mph
Precip.
0%
0%
22.12
sun
sun
Day
52°F
SW 14 mph
Precip.
0%
0%
Night
55°F
W 12 mph
Precip.
0%
0%
23.12
mon
mon
Day
61°F
W 11 mph
Precip.
0%
0%
Night
59°F
SW 6 mph
Precip.
0%
0%
24.12
tue
tue
Day
63°F
W 11 mph
Precip.
0%
0%
Night
66°F
NW 10 mph
Precip.
0%
0%
25.12
wed
wed
Day
70°F
NE 12 mph
Precip.
81%
81%
Night
68°F
NW 7 mph
Precip.
0%
0%
26.12
thu
thu
Day
68°F
NW 12 mph
Precip.
25%
25%
Night
68°F
NW 15 mph
Precip.
78%
78%
27.12
fri
fri
Day
68°F
NW 19 mph
Precip.
0%
0%
Night
70°F
NW 20 mph
Precip.
46%
46%
28.12
sat
sat
Day
68°F
NW 11 mph
Precip.
100%
100%
Night
68°F
N 2 mph
Precip.
0%
0%
29.12
sun
sun
Day
68°F
S 9 mph
Precip.
0%
0%
Night
64°F
SW 9 mph
Precip.
0%
0%
30.12
mon
mon
Day
63°F
NW 7 mph
Precip.
0%
0%
Night
66°F
N 10 mph
Precip.
0%
0%
31.12
tue
tue
Day
70°F
NE 15 mph
Precip.
100%
100%
Night
64°F
NW 16 mph
Precip.
0%
0%
01.01
wed
wed
Day
57°F
S 19 mph
Precip.
0%
0%
Night
54°F
S 19 mph
Precip.
0%
0%
02.01
thu
thu
Day
52°F
SW 16 mph
Precip.
0%
0%
Night
54°F
SW 14 mph
Precip.
0%
0%
03.01
fri
fri
Day
54°F
W 22 mph
Precip.
0%
0%
Night
48°F
SW 36 mph
Precip.
100%
100%
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 December, °F
Show year:
2024
2023
2022
The average sea water temperature in December of 2024 was 66.1°F. The highest and lowest sea temperatures during the month were 69.8°F and 63.9°F.
Sea water temperature in January, °F
Show year:
2024
2023
2022
The average sea water temperature in January of 2024 was 59.8°F. The highest and lowest sea temperatures during the month were 62.4°F and 55.9°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: 19:13
December 21, saturday
2100
52°F
SW
15 mph
15 mph
December 22, sunday
0000
50°F
SW
16 mph
16 mph
0300
50°F
SW
15 mph
15 mph
0600
50°F
SW
14 mph
14 mph
0900
50°F
SW
16 mph
16 mph
1200
52°F
SW
14 mph
14 mph
1500
54°F
SW
11 mph
11 mph
1800
54°F
SW
14 mph
14 mph