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 Wed night, min 21°C on Wed night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Warm air temperatures (max 22°C on Sat night, min 21°C on Sat night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Warm (max 22°C on Tue night, min 21°C on Tue night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Warm (max 23°C on Sun night, min 21°C on Fri night). Mainly fresh winds.

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Mon
5
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
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
1:16PM0.87m
1:38AM0.92m
2:11PM0.93m
2:28AM0.94m
3:02PM0.98m
3:15AM0.94m
3:50PM1.00m
4:01AM0.93m
4:37PM0.99m
Low Tide
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
7:03AM0.11m
7:25PM0.11m
7:55AM0.06m
8:20PM0.09m
8:43AM0.02m
9:11PM0.08m
9:29AM-0.01m
10:00PM0.08m
10:14AM-0.01m
Wave
height (m) 
direction
period (s) 
1.1
WNW
14
1.1
W
13
1.1
W
12
1
WSW
12
1.1
SW
11
1.1
SW
11
1
SSW
10
1
S
8
0.9
SSE
8
0.9
SSE
8
0.9
SSE
8
0.8
SSE
8
0.8
SSE
8
0.7
SSE
9
0.7
SSE
8
0.7
SE
8
0.8
SSW
11
0.9
SSW
10
0.8
SSW
9
1
NW
14
1.1
NW
14
1.1
NW
14
1.2
NW
13
1.3
NW
13
1.2
WNW
12
1.4
SW
18
1.7
SSW
17
2
SSW
15
2
SSW
14
2
SW
14
1.8
WSW
13
2
SW
13
1.9
SW
12
1.9
SW
12
1.8
SW
12
1.6
SW
12
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
clear
some clouds
some clouds
clear
some clouds
some clouds
clear
clear
clear
clear
some clouds
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
clear
some clouds
some clouds
some clouds
cloudy
cloudy
clear
 km/h
15
E
10
ESE
15
E
10
ESE
20
SE
15
ESE
10
SE
15
SE
5
SSE
5
S
5
ESE
5
E
15
ESE
15
ESE
15
ENE
15
ESE
20
ESE
15
E
15
SE
20
ESE
15
ESE
15
SE
20
ESE
20
ESE
20
SE
20
SE
25
ESE
25
ESE
30
ESE
25
ESE
25
SE
35
SE
30
ESE
25
SE
20
ESE
20
E
 mm 
max°C
22
21
22
22
22
22
22
21
22
22
22
22
22
21
21
21
22
22
22
22
22
22
21
21
21
22
22
22
21
22
22
21
22
23
23
23
Moonrise
10:22
11:14
12:07
1:01
1:59
3:01
4:07
5:16
6:23
7:26
8:20
Moonset
10:27
11:04
11:40
12:18
12:58
1:43
2:33
3:30
4:35
5:42
6:50
7:54
Sunrise
5:50
5:50
5:50
5:52
5:52
5:52
5:52
5:54
5:54
5:54
5:56
5:56
Sunset
6:53
6:54
6:54
6:55
6:55
6:57
6:57
6:57
6:58
6:58
6:58
6:59
Today's sea temperature in James Bay, Saint Helena is
22.3° C
(Statistics for 24 Dec 1981-2005 – mean: 22.1 max: 22.9 min: 20.7°C)
Issued (local time): 11 pm Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest