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 — and sunset is at 09:27 PM.

Days 1–4 Weather Summary

Light rain (total 4mm), mostly falling on Sun night. Cool air temperatures (max 14°C on Sun afternoon, min 7°C on Sat night). Winds decreasing (near gales from the W on Sat afternoon, light winds from the ESE by Mon afternoon).

Days 5–7 Weather Summary

Light rain (total 2mm), mostly falling on Tue afternoon. Cool air temperatures (max 16°C on Tue afternoon, min 8°C on Wed night). Winds decreasing (strong winds from the NW on Wed morning, calm by Wed night).

Days 8–10 Weather Summary

Light rain (total 7mm), mostly falling on Sun afternoon. Very mild (max 16°C on Sat morning, min 11°C on Thu night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 4mm), mostly falling on Mon night. Very mild (max 19°C on Wed afternoon, min 13°C on Sun night). Wind will be generally light.

Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
1
Wed
2
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
6:46AM1.61m
7:30PM1.81m
7:39AM1.62m
8:32PM1.85m
8:26AM1.61m
9:28PM1.87m
9:10AM1.59m
10:20PM1.87m
9:54AM1.54m
11:09PM1.85m
10:40AM1.48m
11:55PM1.83m
11:32AM1.42m
00:41AM1.81m
12:29PM1.39m
1:26AM1.78m
1:25PM1.40m
2:09AM1.75m
2:15PM1.44m
2:51AM1.69m
3:02PM1.49m
3:33AM1.61m
3:50PM1.51m
Low Tide
00:38AM0.88m
1:00PM0.76m
1:46AM0.89m
1:58PM0.63m
2:46AM0.89m
2:50PM0.52m
3:39AM0.88m
3:38PM0.45m
4:29AM0.86m
4:24PM0.44m
5:17AM0.84m
5:09PM0.48m
6:03AM0.82m
5:54PM0.53m
6:49AM0.79m
6:39PM0.59m
7:32AM0.78m
7:26PM0.63m
8:11AM0.77m
8:12PM0.66m
8:50AM0.79m
8:59PM0.71m
9:29AM0.81m
Wave
height (m) 
direction
period (s) 
1.9
S
7.0
3
SW
8.0
3.5
W
8.0
2.3
WNW
8.0
1.3
WNW
7.0
0.8
SW
7.0
1.1
SSE
6.0
1.7
SSE
7.0
1.4
SSE
7.0
1.1
SSE
7.0
0.9
SSE
7.0
1
SSE
7.0
1.2
S
6.0
2
WNW
6.0
2.2
WNW
8.0
1.4
WNW
8.0
0.7
WNW
6.0
0.6
SSE
7.0
0.5
SSE
7.0
0.6
SSE
6.0
0.7
SSW
5.0
0.5
SE
12.0
0.4
SSE
9.0
0.5
SSE
8.0
0.9
S
5.0
1
S
5.0
1.4
S
6.0
1.2
SSE
6.0
0.9
SSE
6.0
1.1
SSE
8.0
1.5
SSE
8.0
1.4
SSE
7.0
1.3
SSE
7.0
1.3
SW
7.0
1.2
WSW
7.0
0.9
SSE
7.0
cloud
cloud
clear
part cloud
clear
cloud
light rain
cloud
part cloud
cloud
part cloud
rain showers
rain showers
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
light rain
light rain
cloud
cloud
cloud
light rain
part cloud
clear
clear
clear
clear
cloudy
cloudy
clear
some clouds
clear
cloudy
light rain
cloudy
some clouds
cloudy
some clouds
rain shwrs
rain shwrs
clear
clear
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
some clouds
light rain
light rain
cloudy
cloudy
cloudy
light rain
some clouds
clear
clear
clear
clear
 km/h
25
SSE
45
W
50
W
30
NW
10
WNW
15
SSE
25
ESE
30
E
15
E
5
ESE
15
SE
20
SE
10
ESE
45
NW
40
NW
10
NNW
10
S
15
WSW
10
W
20
WNW
20
WNW
5
WNW
10
S
15
S
15
S
20
SSE
25
SSE
5
E
10
WSW
15
SE
20
ESE
20
WNW
30
WNW
10
W
10
SW
10
SSE
 mm 
4
1
1
2
5
4
max°C
13
10
10
9
13
14
12
11
13
11
13
16
15
11
11
9
12
12
12
15
15
14
16
16
14
13
13
13
15
17
15
14
14
14
18
19
Moonrise
1:54
2:14
2:38
3:12
3:57
4:58
6:13
7:33
8:54
10:10
11:22
12:31
1:38
Moonset
3:55
5:20
6:47
8:12
9:26
10:24
11:05
11:35
11:57
12:15
12:30
12:44
Sunrise
5:28
5:28
5:28
5:28
5:28
5:30
5:30
5:31
5:31
5:31
5:31
5:33
Sunset
9:27
9:27
9:28
9:28
9:28
9:28
9:28
9:28
9:28
9:28
9:28
9:27
9:27
Today's sea temperature in Grand Bay is 9.1 °C (Statistics for 20 Jun 1981-2005 – mean: 9.2 max: 11.8 min: 7.2°C)
Issued (local time): 8 pm Friday 20 Jun 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest