Grand Isle Sea Conditions and Tide Table

Grand Isle Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at — and sunset is at —.

Days 1–4 Weather Summary

Some drizzle, heaviest during Thu night. Warm air temperatures (max 22°C on Thu night, min 10°C on Fri morning). Winds decreasing (strong winds from the N on Thu night, light winds from the S by Sat afternoon).

Days 5–7 Weather Summary

Mostly dry. Warm air temperatures (max 22°C on Tue afternoon, min 19°C on Sun night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Warm (max 24°C on Fri morning, min 19°C on Wed night). Wind will be generally light.

Days 11–13 Weather Summary

Some drizzle, heaviest during Mon morning. Warm (max 22°C on Sun night, min 11°C on Mon night). Winds increasing (light winds from the SE on Sun afternoon, fresh winds from the N by Tue morning).

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
8:40PM0.31m
9:21PM0.31m
10:02PM0.31m
10:43PM0.31m
11:22PM0.30m
11:58PM0.27m
00:28AM0.22m
00:35AM0.15m
8:44PM0.10m
6:15PM0.12m
5:40PM0.19m
5:53PM0.26m
Low Tide
8:13AM-0.16m
8:55AM-0.16m
9:37AM-0.17m
10:16AM-0.17m
10:52AM-0.16m
11:20AM-0.13m
11:36AM-0.08m
11:20AM-0.02m
9:32AM0.02m
4:41AM-0.02m
4:44AM-0.11m
5:22AM-0.18m
Wave
height (m) 
direction
period (s) 
0.7
SE
7
0.8
NNE
4
0.4
SE
7
0.4
SE
6
0.4
SE
6
0.4
SE
3
0.3
SSE
3
0.3
S
3
0.3
SE
2
0.4
SE
3
0.4
SE
4
0.5
SE
5
0.5
SE
5
0.5
SE
6
0.5
SE
6
0.5
SE
7
0.6
SE
7
0.6
SE
7
0.5
SE
8
0.5
SE
8
0.5
SE
8
0.5
SE
7
0.5
SE
7
0.5
SE
7
0.5
SE
7
0.4
SE
8
0.4
SE
7
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.5
SSE
4
0.6
SW
3
0.6
S
5
0.7
N
3
0.5
N
3
thunderstorm
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
light rain
part cloud
clear
clear
clear
risk tstorm
clear
clear
clear
clear
some clouds
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
some clouds
light rain
some clouds
clear
clear
clear
 km/h
25
WNW
25
NNE
15
NE
15
ESE
15
SSE
15
S
20
SSE
15
ESE
15
SE
15
ESE
20
E
20
SE
20
E
15
E
15
ESE
15
E
15
E
15
ESE
15
E
15
ESE
10
SE
15
SE
15
SSE
15
SSE
15
SSE
10
SSE
15
SE
15
SSE
15
SE
15
SE
15
S
20
SW
30
WSW
30
NW
35
N
25
N
 mm 
1
1
max°C
22
13
14
17
19
19
21
21
21
20
19
20
20
21
22
21
20
21
19
20
21
23
24
23
21
21
21
21
21
21
22
22
21
15
14
16
Moonrise
6:39
7:31
8:18
9:01
9:38
10:11
10:42
11:12
11:42
12:14
12:49
1:31
Moonset
4:40
5:34
6:32
7:32
8:31
9:31
10:30
11:29
12:31
1:35
2:43
Sunrise
6:48
6:48
6:48
6:50
6:50
6:50
6:50
6:52
6:52
6:52
6:52
6:52
Sunset
5:05
5:05
5:06
5:06
5:07
5:07
5:07
5:07
5:08
5:09
5:09
5:10
Today's sea temperature in Grand Isle is
16.9° C
(Statistics for 18 Dec 1981-2005 – mean: 20.2 max: 21.8 min: 17.4°C)
Issued (local time): 11 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest