Southwest Pass (delta) Sea Conditions and Tide Table

Southwest Pass (delta) 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 06:45 AM and sunset is at 05:02 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 22°C on Thu morning, min 12°C on Fri morning). Winds decreasing (strong winds from the NNW on Thu night, light winds from the ESE by Sat night).

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 22°C on Tue morning, min 20°C on Sun night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 24°C on Thu night, min 20°C on Wed morning). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 23°C on Sun night, min 22°C on Sat morning). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
night
Wave Height Map
High Tide
6:47PM0.66m
7:26PM0.68m
8:05PM0.68m
8:42PM0.67m
9:16PM0.65m
9:47PM0.61m
10:08PM0.55m
9:49PM0.46m
6:21PM0.41m
4:32PM0.46m
4:08PM0.54m
4:21PM0.63m
Low Tide
6:14AM0.01m
6:54AM0.01m
7:33AM0.01m
8:09AM0.02m
8:39AM0.05m
9:02AM0.09m
9:10AM0.16m
8:46AM0.23m
6:47AM0.27m
2:56AM0.20m
2:55AM0.09m
3:29AM-0.00m
Wave
height (m) 
direction
period (s) 
0.7
SSE
6
0.7
SSE
7
0.9
SW
4
0.8
NNW
4
0.5
SSE
7
0.3
SSE
6
0.3
SSE
6
0.3
SSE
3
0.2
S
3
0.3
SSE
2
0.3
SE
3
0.4
SE
4
0.4
SE
5
0.4
SE
5
0.4
SE
6
0.5
SE
6
0.6
SSE
7
0.6
SSE
7
0.6
SSE
8
0.5
SSE
8
0.5
SSE
8
0.5
SSE
8
0.5
SSE
8
0.5
SSE
8
0.5
SSE
8
0.5
SSE
8
0.5
SSE
8
0.5
SSE
8
0.4
SSE
7
0.5
SSE
7
0.5
SSE
7
0.4
SSE
7
0.5
SSE
6
0.6
SSE
6
0.6
SSE
6
0.5
S
5
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
cloud
cloud
part cloud
cloud
cloud
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
cloud
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
clear
some clouds
some clouds
clear
cloudy
cloudy
some clouds
cloudy
cloudy
clear
clear
clear
clear
some clouds
cloudy
some clouds
clear
clear
cloudy
 km/h
15
SW
20
WSW
30
WNW
25
NNE
20
NNE
20
ESE
15
SSE
15
S
10
SSW
20
SE
20
SE
15
E
20
E
20
ESE
20
ESE
20
ESE
20
E
20
E
20
E
15
ESE
15
ESE
20
SE
15
SE
20
SSE
15
SSE
10
SSE
15
SE
15
ESE
20
SE
20
SE
20
SE
15
SE
20
ESE
20
SE
20
SE
15
SSE
 mm 
max°C
22
22
22
13
13
17
19
20
21
21
21
20
20
20
20
22
22
21
20
20
20
21
23
24
24
23
23
22
22
22
22
22
23
22
22
23
Moonrise
5:41
6:36
7:28
8:15
8:58
9:35
10:09
10:40
11:10
11:40
12:12
12:48
Moonset
3:49
4:38
5:33
6:31
7:30
8:30
9:29
10:28
11:27
12:28
1:32
Sunrise
6:45
6:45
6:46
6:47
6:47
6:47
6:48
6:48
6:48
6:48
6:50
6:50
Sunset
5:02
5:02
5:04
5:04
5:05
5:05
5:06
5:06
5:07
5:07
5:07
5:08
Today's sea temperature in Southwest Pass (delta) is
20.6° C
(Statistics for 18 Dec 1981-2005 – mean: 21.0 max: 22.4 min: 18.4°C)
Issued (local time): 11 am Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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