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 05:43 AM and sunset is at 06:30 PM.

Days 1–3 Weather Summary

Mostly dry. Cool air temperatures (max 18°C on Sun morning, min 17°C on Sun night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 19°C on Wed afternoon, min 17°C on Wed morning). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Very mild (max 19°C on Sat afternoon, min 18°C on Sat morning). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Very mild (max 19°C on Tue afternoon, min 18°C on Tue morning). Wind will be generally light.

Sunday
9
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
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
5:47PM0.88m
6:04AM0.79m
6:52PM0.83m
7:10AM0.72m
8:11PM0.79m
8:31AM0.67m
9:35PM0.78m
9:56AM0.67m
10:47PM0.80m
11:05AM0.69m
11:44PM0.83m
11:58AM0.73m
00:28AM0.85m
12:41PM0.77m
1:05AM0.87m
1:18PM0.80m
1:37AM0.88m
1:52PM0.83m
2:08AM0.88m
2:25PM0.84m
2:37AM0.87m
2:58PM0.85m
3:06AM0.86m
Low Tide
11:24AM0.09m
00:01AM0.19m
12:21PM0.16m
1:11AM0.26m
1:29PM0.21m
2:37AM0.31m
2:49PM0.24m
4:03AM0.31m
4:07PM0.23m
5:12AM0.28m
5:12PM0.21m
6:04AM0.24m
6:04PM0.18m
6:44AM0.21m
6:46PM0.16m
7:19AM0.18m
7:23PM0.15m
7:50AM0.16m
7:56PM0.15m
8:19AM0.14m
8:29PM0.15m
8:49AM0.13m
9:00PM0.17m
Wave
height (m) 
direction
period (s) 
1.6
SW
14.0
1.6
SW
13.0
1.7
SW
17.0
2.3
SW
15.0
2.3
SW
15.0
2.1
SW
14.0
2
SW
13.0
1.8
SW
13.0
1.6
SW
12.0
1.6
SW
12.0
1.4
SW
12.0
1.3
SW
12.0
1.4
NW
15.0
1.3
NW
15.0
1.3
NW
14.0
1.4
NW
14.0
1.4
WNW
13.0
1.6
SW
13.0
1.8
SW
13.0
1.7
SW
12.0
1.8
SW
12.0
1.7
SW
12.0
1.7
SW
12.0
1.7
WSW
12.0
1.6
SW
12.0
1.6
WSW
12.0
1.5
SSW
10.0
1.6
S
10.0
1.5
SW
14.0
1.6
SW
13.0
1.6
SW
13.0
1.6
SW
12.0
1.6
SSW
14.0
1.5
SSW
13.0
1.5
SSW
13.0
1.5
SSW
13.0
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
some clouds
clear
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
clear
some clouds
clear
clear
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
 km/h
30
SE
25
ESE
20
E
25
SE
20
ESE
15
SE
20
SE
20
SE
15
SE
20
SE
15
SE
20
SE
20
SE
15
SE
20
SE
20
SE
15
SSE
15
SSE
10
SE
10
S
15
SE
15
SE
15
SE
20
SE
25
ESE
25
ESE
25
ESE
25
ESE
25
SE
25
ESE
25
ESE
20
SE
25
ESE
25
ESE
20
ESE
25
SE
 mm 
max°C
18
18
18
18
18
18
18
18
18
18
19
18
18
19
18
18
19
18
18
19
18
19
19
18
18
19
18
18
19
18
18
19
18
18
19
19
Moonrise
11:04
11:56
12:41
1:21
1:57
2:31
3:04
3:37
4:13
4:50
5:32
Moonset
9:22
10:27
11:27
12:24
1:16
2:05
2:52
3:39
4:27
5:16
6:06
6:59
Sunrise
5:43
5:43
5:41
5:41
5:41
5:41
5:41
5:41
5:41
5:41
5:41
5:41
Sunset
6:30
6:30
6:30
6:30
6:30
6:31
6:31
6:32
6:32
6:34
6:35
6:35
Today's sea temperature in James Bay, Saint Helena is 19.9 °C (Statistics for 09 Nov 1981-2005 – mean: 20.8 max: 21.9 min: 20.3°C)
Issued (local time): 11 am Sunday 09 Nov 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest