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 06:53 PM.

Days 1–4 Weather Summary

Mostly dry. Warm air temperatures (max 23°C on Thu night, min 21°C on Thu night). Wind will be generally light.

Days 5–7 Weather Summary

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

Days 8–10 Weather Summary

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

Days 11–13 Weather Summary

Mostly dry. Warm (max 24°C on Mon night, min 20°C on Sun morning). Mainly fresh winds.

Thu
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tue
6
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
AM
Wave Height Map
High Tide
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
4:45AM0.90m
Low Tide
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
10:47PM0.11m
10:58AM0.02m
Wave
height (m) 
direction
period (s) 
1.1
W
12
1.1
SW
12
1.1
SW
11
1.1
SW
11
1
SSW
10
0.9
SSE
8
0.9
SSE
8
0.9
SSE
8
0.9
SSE
8
0.8
SSE
8
0.8
SSE
8
0.8
SSE
9
0.8
SSE
8
0.7
SE
8
0.9
SW
11
0.9
SSW
10
0.9
NW
16
1
NW
14
1
NW
14
1.1
NW
14
1.2
NW
13
1.1
NW
13
1.2
WNW
12
1.4
SW
17
1.8
SW
16
2.1
SW
15
2.1
SW
14
1.9
SW
14
1.8
SW
13
1.8
SW
12
1.7
WSW
12
1.7
WSW
12
1.4
SW
12
1.4
SW
11
1.2
SW
11
1.4
NW
13
clear
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
some clouds
some clouds
clear
clear
some clouds
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
clear
some clouds
clear
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
 km/h
15
E
15
ESE
15
ESE
15
ESE
15
ESE
10
ESE
10
SSE
10
SE
15
ESE
10
E
10
SE
15
E
15
ENE
15
ESE
20
ESE
15
ESE
20
SE
20
ESE
20
ESE
15
SE
20
SE
20
ESE
20
ESE
25
SE
25
ESE
25
ESE
25
ESE
25
ESE
25
ESE
30
ESE
25
ESE
25
SE
25
SE
20
ESE
20
ESE
25
ESE
 mm 
max°C
22
23
23
22
22
22
22
22
21
22
21
21
22
21
21
21
21
21
21
21
21
22
22
22
22
22
21
22
22
21
22
23
23
23
24
23
Moonrise
11:14
12:07
1:01
1:59
3:01
4:07
5:16
6:23
7:26
8:20
9:08
Moonset
11:04
11:40
12:18
12:58
1:43
2:33
3:30
4:35
5:42
6:50
7:54
8:54
Sunrise
5:50
5:50
5:52
5:52
5:52
5:52
5:54
5:54
5:54
5:56
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
22.4° C
(Statistics for 25 Dec 1981-2005 – mean: 22.1 max: 22.9 min: 20.7°C)
Issued (local time): 5 pm Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest