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 Tue night, min 20°C on Wed night). Wind will be generally light.

Days 5–7 Weather Summary

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

Days 8–10 Weather Summary

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

Days 11–13 Weather Summary

Mostly dry. Warm (max 22°C on Sat afternoon, min 20°C on Fri morning). Mainly fresh winds.

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sun
4
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
5:10AM0.79m
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
1:16PM0.87m
1:38AM0.92m
2:11PM0.93m
2:28AM0.94m
3:02PM0.98m
3:15AM0.94m
3:50PM1.00m
Low Tide
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
7:03AM0.11m
7:25PM0.11m
7:55AM0.06m
8:20PM0.09m
8:43AM0.02m
9:11PM0.08m
9:29AM-0.01m
Wave
height (m) 
direction
period (s) 
1.2
S
10
1.2
SW
12
1.2
SW
11
1.1
WNW
14
1.1
W
13
1.1
W
12
1.1
SW
12
1.1
SW
11
1.1
SW
11
1
SSW
10
0.9
SSW
10
0.9
SSW
10
0.9
S
9
0.9
SSE
8
0.8
SSE
8
0.7
S
9
0.7
SSE
9
0.7
SSE
9
0.7
SSE
9
0.8
SSE
8
0.8
SSW
10
1
NW
15
1.1
NW
14
1.3
NW
14
1.2
NW
14
1.3
WNW
13
1.3
WNW
13
1.3
WNW
12
1.6
SW
16
1.7
SW
15
2
SW
14
2.1
SW
14
2.1
SW
13
2
WSW
13
2.1
NW
14
1.9
NW
14
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
clear
 km/h
10
E
15
E
15
ESE
15
E
15
E
15
E
10
SE
20
ESE
15
ESE
15
SE
15
SE
10
SSE
10
ESE
5
ESE
5
NE
10
SE
10
ESE
15
E
15
E
20
ESE
15
E
25
SE
20
ESE
15
ESE
15
SE
25
ESE
20
E
20
SE
25
SE
25
ESE
25
ESE
30
ESE
25
ESE
30
ESE
30
SE
25
ESE
 mm 
max°C
22
21
21
21
21
22
22
22
22
22
21
21
21
21
21
21
21
21
20
21
22
22
21
22
22
21
21
21
21
21
21
21
22
22
21
22
Moonrise
9:30
10:22
11:14
12:07
1:01
1:59
3:01
4:07
5:16
6:23
7:26
8:20
Moonset
9:47
10:27
11:04
11:40
12:18
12:58
1:43
2:33
3:30
4:35
5:42
6:50
Sunrise
5:48
5:50
5:50
5:50
5:52
5:52
5:52
5:52
5:54
5:54
5:54
5:56
Sunset
6:53
6:53
6:54
6:54
6:55
6:55
6:57
6:57
6:57
6:58
6:58
6:58
Today's sea temperature in James Bay, Saint Helena is
22.1° C
(Statistics for 23 Dec 1981-2005 – mean: 22.0 max: 22.9 min: 20.7°C)
Issued (local time): 11 pm Tuesday 23 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest