Grand Bay Sea Conditions and Tide Table

Grand Bay 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 06:47 AM and sunset is at 05:02 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 23°C on Sun morning, min 18°C on Sat morning). Wind will be generally light.

Days 4–6 Weather Summary

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

Days 7–9 Weather Summary

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

Days 10–12 Weather Summary

Moderate rain (total 11mm), heaviest on Wed night. Warm (max 23°C on Tue morning, min 18°C on Thu morning). Wind will be generally light.

Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
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
11:04PM0.44m
11:43PM0.43m
00:20AM0.41m
00:56AM0.37m
1:28AM0.32m
1:52AM0.24m
00:30AM0.15m
7:34PM0.15m
6:47PM0.23m
6:54PM0.31m
7:29PM0.39m
8:17PM0.45m
Low Tide
9:38AM-0.19m
10:19AM-0.19m
10:57AM-0.18m
11:31AM-0.16m
12:00PM-0.13m
12:20PM-0.08m
12:19PM-0.02m
11:19AM0.04m
5:34AM0.02m
5:22AM-0.09m
6:00AM-0.20m
6:48AM-0.29m
Wave
height (m) 
direction
period (s) 
0.1
S
1
0.2
S
2
0.3
S
2
0.1
SW
4
0.1
SW
4
0.2
SSE
2
0.2
ESE
2
0.3
SE
2
0.1
E
2
0.1
S
4
0.1
S
2
0.1
S
8
0.1
NE
2
0.1
SE
2
0.1
S
8
0.1
S
8
0.1
S
2
0.1
S
2
0.1
S
7
0.1
S
7
0.1
S
4
0.1
S
4
0.1
SW
2
0.1
S
4
0
W
4
0
W
4
0.1
SE
2
0.1
E
1
0.2
S
2
0.2
SSE
2
0.1
S
6
0.2
SSE
2
0.2
ESE
2
0.3
SSE
2
0.4
S
3
0.2
S
8
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
rain showers
rain showers
light rain
mod rain
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
clear
rain shwrs
rain shwrs
light rain
mod rain
 km/h
10
SSE
15
SSW
15
SSE
10
SSE
10
ESE
10
SE
20
E
20
ESE
15
SE
10
ESE
10
E
10
E
15
ENE
15
E
10
ESE
10
E
10
SE
10
S
5
WSW
10
SSW
10
SW
5
NW
0
SE
5
SW
5
NE
10
ENE
10
SE
10
E
15
ESE
15
SE
10
ESE
15
ESE
15
SE
20
SSE
20
S
10
SSW
 mm 
1
1
2
6
max°C
20
20
21
23
22
22
21
21
20
21
22
20
20
20
20
21
22
22
23
24
22
22
22
22
21
21
21
21
22
21
23
22
22
22
23
22
Moonrise
7:29
8:17
8:58
9:36
10:09
10:40
11:09
11:39
12:11
12:47
1:28
2:18
Moonset
5:31
6:29
7:29
8:29
9:28
10:27
11:27
12:28
1:33
2:41
3:53
Sunrise
6:47
6:47
6:48
6:48
6:48
6:48
6:50
6:50
6:50
6:50
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 Grand Bay is
15.8° C
(Statistics for 20 Dec 1981-2005 – mean: 20.2 max: 21.8 min: 17.3°C)
Issued (local time): 11 am Saturday 20 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest