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 05:41 AM and sunset is at 06:44 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 20°C on Sun afternoon, min 18°C on Fri morning). Mainly fresh winds.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 20°C on Mon afternoon, min 19°C on Mon morning). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 20°C on Thu afternoon, min 19°C on Thu morning). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 21°C on Tue afternoon, min 19°C on Sun morning). Wind will be generally light.

Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
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
3:04PM0.98m
3:23AM0.97m
3:54PM0.98m
4:10AM0.93m
4:46PM0.96m
4:58AM0.87m
5:39PM0.92m
5:50AM0.81m
6:37PM0.87m
6:46AM0.75m
7:40PM0.83m
7:48AM0.70m
8:47PM0.79m
8:58AM0.67m
9:54PM0.78m
10:08AM0.67m
10:55PM0.78m
11:12AM0.68m
11:47PM0.78m
12:05PM0.71m
00:30AM0.79m
12:52PM0.75m
1:08AM0.81m
Low Tide
8:51AM0.00m
9:13PM0.04m
9:37AM0.00m
10:04PM0.07m
10:24AM0.02m
10:57PM0.12m
11:13AM0.06m
11:52PM0.18m
12:05PM0.11m
00:52AM0.24m
1:02PM0.16m
1:58AM0.29m
2:05PM0.20m
3:09AM0.31m
3:12PM0.23m
4:18AM0.31m
4:19PM0.25m
5:17AM0.30m
5:19PM0.25m
6:06AM0.27m
6:10PM0.24m
6:47AM0.23m
6:55PM0.23m
Wave
height (m) 
direction
period (s) 
1.3
SE
7
1.4
SE
7
1.5
SE
8
1.6
SE
8
1.6
SE
8
1.7
SSW
12
1.7
SSW
13
1.7
SSW
12
1.7
SSW
11
1.6
SSW
10
1.5
S
10
1.4
S
10
1.4
SSE
10
1.3
SSE
9
1.3
SSE
9
1.2
SE
9
1.2
SE
9
1.1
S
10
1.2
NNW
16
1.1
SSW
10
1.1
SSW
10
1.3
WSW
15
1.4
SW
14
1.6
SSW
13
1.7
SSW
14
1.8
SW
13
1.7
SSW
12
1.7
SSW
12
1.7
SSW
12
1.6
SSW
11
1.5
SSW
11
1.5
SSW
11
1.3
SSW
10
1.3
SW
12
1.1
WSW
12
1.1
WSW
12
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
cloud
part cloud
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
clear
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
clear
some clouds
clear
clear
some clouds
clear
some clouds
some clouds
clear
some clouds
some clouds
clear
some clouds
cloudy
some clouds
clear
 km/h
30
ESE
30
SE
20
ESE
25
SE
25
SE
30
SE
25
ESE
25
ESE
25
ESE
20
SE
20
SE
20
SE
20
ESE
15
ESE
20
ESE
20
ESE
15
ESE
20
SE
20
ESE
15
SE
20
SE
25
SE
20
ESE
20
SE
25
ESE
25
ESE
25
ESE
25
ESE
20
ESE
20
SE
25
SE
20
ESE
20
SE
20
SE
15
SE
20
SE
 mm 
max°C
19
19
19
19
19
19
19
20
20
19
20
20
20
20
20
19
20
20
19
20
20
20
20
19
20
20
19
20
20
19
19
20
20
20
21
20
Moonrise
7:41
8:46
9:44
10:34
11:17
11:56
12:31
1:05
1:38
2:13
2:50
Moonset
5:52
7:00
8:08
9:13
10:13
11:08
12:00
12:48
1:36
2:23
3:12
4:02
Sunrise
5:41
5:41
5:43
5:43
5:43
5:43
5:43
5:43
5:43
5:45
5:45
5:46
Sunset
6:44
6:44
6:45
6:45
6:45
6:46
6:46
6:47
6:47
6:49
6:49
6:50
Today's sea temperature in James Bay, Saint Helena is
21.0° C
(Statistics for 05 Dec 1981-2005 – mean: 21.4 max: 22.5 min: 20.4°C)
Issued (local time): 5 am Friday 05 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest