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 — and sunset is at —.

Days 1–4 Weather Summary

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

Days 5–7 Weather Summary

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

Days 8–10 Weather Summary

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

Days 11–13 Weather Summary

Mostly dry. Warm (max 21°C on Sat night, min 19°C on Mon morning). Wind will be generally light.

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
2:17AM0.83m
2:46PM0.83m
2:50AM0.83m
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
Low Tide
8:12PM0.21m
8:32AM0.14m
8:48PM0.20m
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
Wave
height (m) 
direction
period (s) 
1.5
S
10
1.6
S
10
1.4
S
9
1.3
SSE
9
1.3
SSE
9
1.2
SSE
8
1.3
SSE
8
1.2
SE
9
1.3
SE
9
1.2
SE
9
1.2
SE
9
1.2
SE
9
1.3
S
10
1.3
SSE
10
1.3
S
10
1.2
SSE
10
1.3
SW
12
1.3
SW
11
1.2
WNW
14
1.2
W
13
1.2
W
12
1.2
SW
12
1.2
SW
11
1.3
SW
11
1.2
SSW
10
1.1
SSE
8
1
SSE
8
1
NNW
14
0.9
NNW
14
0.9
NNW
14
0.8
NNW
13
0.9
NW
13
0.8
S
9
0.9
SW
12
1.2
SSW
16
1.4
SSW
15
part cloud
part cloud
clear
clear
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
some clouds
clear
clear
some clouds
clear
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
some clouds
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
 km/h
25
ESE
30
ESE
20
E
20
ESE
20
E
15
E
15
ESE
20
ESE
10
ESE
20
SE
20
SE
15
ESE
20
SE
20
E
15
E
10
ESE
15
ESE
15
ESE
20
ESE
20
ESE
20
ESE
15
ESE
25
ESE
20
ESE
15
ESE
20
ESE
20
E
20
ESE
20
E
15
E
15
ESE
20
ESE
20
SE
20
ESE
25
SSE
25
SE
 mm 
max°C
22
21
21
21
21
21
21
20
21
20
21
21
21
21
21
22
21
21
20
21
21
22
21
21
21
21
21
21
21
21
20
19
20
20
19
20
Moonrise
5:02
5:54
6:48
7:42
8:37
9:30
10:22
11:14
12:07
1:01
1:59
3:01
Moonset
6:40
7:31
8:20
9:06
9:47
10:27
11:04
11:40
12:18
12:58
1:43
Sunrise
5:47
5:47
5:48
5:48
5:48
5:48
5:50
5:50
5:50
5:52
5:52
5:52
Sunset
6:52
6:52
6:52
6:52
6:53
6:53
6:53
6:54
6:54
6:55
6:55
6:57
Today's sea temperature in James Bay, Saint Helena is
21.7° C
(Statistics for 18 Dec 1981-2005 – mean: 22.0 max: 22.9 min: 21.1°C)
Issued (local time): 11 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest