James Bay, Saint Helena Sea Conditions and Tide Table

James Bay, Saint Helena 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 05:47 AM and sunset is at 06:52 PM.

Days 1–3 Weather Summary

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

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 21°C on Tue afternoon, min 20°C on Tue morning). Wind will be generally light.

Days 7–9 Weather Summary

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

Days 10–12 Weather Summary

Mostly dry. Warm (max 22°C on Tue night, min 20°C on Mon 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
3:21PM0.84m
3:24AM0.83m
3:56PM0.85m
3:57AM0.83m
4:31PM0.85m
4:33AM0.81m
5:08PM0.84m
5:10AM0.79m
5:48PM0.83m
5:52AM0.77m
6:34PM0.82m
6:39AM0.75m
7:26PM0.81m
7:36AM0.73m
8:26PM0.81m
8:42AM0.72m
9:33PM0.81m
9:56AM0.73m
10:41PM0.83m
11:09AM0.76m
11:45PM0.86m
12:15PM0.81m
00:43AM0.89m
Low Tide
9:05AM0.13m
9:23PM0.20m
9:38AM0.12m
9:59PM0.21m
10:12AM0.12m
10:35PM0.21m
10:47AM0.13m
11:13PM0.23m
11:25AM0.14m
11:55PM0.24m
12:07PM0.16m
00:43AM0.26m
12:55PM0.18m
1:40AM0.27m
1:52PM0.19m
2:45AM0.28m
2:58PM0.20m
3:55AM0.26m
4:09PM0.20m
5:04AM0.22m
5:20PM0.17m
6:07AM0.17m
6:25PM0.14m
Wave
height (m) 
direction
period (s) 
1.3
SSE
9
1.2
SSE
8
1.2
SSE
8
1.2
SE
9
1.2
SE
9
1.2
SE
9
1.2
SE
9
1.2
SE
9
1.2
S
10
1.2
SSE
10
1.2
S
10
1.2
SSE
10
1.2
SW
12
1.3
SW
11
1.1
WNW
14
1.2
W
13
1.2
W
12
1.2
WSW
12
1.2
SW
11
1.1
SW
11
1.1
SW
10
1
SSE
8
1
S
8
0.9
SSE
8
0.9
SSW
10
0.9
SSW
10
0.9
S
10
0.9
SSE
9
0.9
SSE
9
1
SE
9
1
SSE
9
1
SSE
9
1.1
NW
16
1.1
NW
15
1.3
WNW
14
1.3
WNW
14
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
part cloud
part cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
some clouds
clear
clear
clear
clear
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
clear
some clouds
clear
clear
clear
some clouds
some clouds
cloudy
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
some clouds
 km/h
20
ESE
10
E
15
ESE
20
SE
15
SE
15
SSE
20
SE
15
ESE
15
ESE
15
E
15
ENE
10
ESE
15
E
15
E
15
ESE
20
ESE
20
E
20
ESE
25
SE
15
ESE
15
ESE
20
ESE
15
ESE
15
ESE
15
ESE
15
E
15
E
20
ESE
20
ESE
20
SE
25
ESE
15
ESE
20
SE
20
ESE
15
ESE
15
SE
 mm 
max°C
22
21
21
20
20
20
20
21
21
20
21
20
21
21
20
20
21
21
20
21
22
21
21
22
21
21
21
20
20
20
20
21
22
21
21
21
Moonrise
5:54
6:48
7:42
8:37
9:30
10:22
11:14
12:07
1:01
1:59
3:01
4:07
Moonset
7:31
8:20
9:06
9:47
10:27
11:04
11:40
12:18
12:58
1:43
2:33
Sunrise
5:47
5:48
5:48
5:48
5:48
5:50
5:50
5:50
5:52
5:52
5:52
5:52
Sunset
6:52
6:52
6:52
6:53
6:53
6:53
6:54
6:54
6:55
6:55
6:57
6:57
Today's sea temperature in James Bay, Saint Helena is
21.8° C
(Statistics for 20 Dec 1981-2005 – mean: 22.0 max: 22.8 min: 20.7°C)
Issued (local time): 11 am Saturday 20 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest