Tristan da Cunha Island Sea Conditions and Tide Table

Tristan da Cunha Island 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 06:22 PM.

Days 1–4 Weather Summary

Mostly dry. Cool air temperatures (max 17°C on Fri night, min 12°C on Thu afternoon). Wind will be generally light.

Days 5–7 Weather Summary

Moderate rain (total 10mm), heaviest on Sun afternoon. Cool air temperatures (max 19°C on Sun night, min 17°C on Sat afternoon). Mainly strong winds.

Days 8–10 Weather Summary

Mostly dry. Very mild (max 17°C on Tue afternoon, min 13°C on Fri morning). Mainly fresh winds.

Days 11–13 Weather Summary

Moderate rain (total 10mm), heaviest on Mon afternoon. Very mild (max 19°C on Sun afternoon, min 13°C on Fri afternoon). Winds increasing (light winds from the E on Fri night, near gales from the NE by Sun afternoon).

Wed
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
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
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
High Tide
11:27PM0.83m
11:43AM0.86m
00:04AM0.86m
12:22PM0.87m
00:42AM0.87m
1:04PM0.86m
1:23AM0.86m
1:49PM0.83m
2:06AM0.83m
2:38PM0.78m
2:56AM0.78m
3:36PM0.72m
3:55AM0.73m
4:48PM0.67m
5:12AM0.69m
6:21PM0.64m
6:46AM0.68m
7:51PM0.65m
8:10AM0.70m
8:59PM0.69m
9:14AM0.74m
9:49PM0.72m
10:03AM0.77m
10:29PM0.75m
10:44AM0.78m
11:05PM0.78m
11:20AM0.79m
11:36PM0.79m
Low Tide
5:16PM0.16m
5:34AM0.16m
5:54PM0.13m
6:13AM0.14m
6:32PM0.13m
6:53AM0.13m
7:13PM0.15m
7:37AM0.14m
7:56PM0.19m
8:24AM0.18m
8:43PM0.24m
9:19AM0.22m
9:40PM0.30m
10:26AM0.27m
10:52PM0.35m
11:53AM0.31m
00:25AM0.37m
1:25PM0.31m
1:54AM0.35m
2:40PM0.28m
3:02AM0.31m
3:36PM0.25m
3:53AM0.27m
4:19PM0.23m
4:34AM0.24m
4:56PM0.22m
5:11AM0.22m
5:28PM0.21m
Wave
height (m) 
direction
period (s) 
1.8
SSW
11
1.8
SSW
16
2.5
SSW
14
2.4
SSW
13
2.1
SSW
12
1.8
SW
11
1.7
SSW
11
1.6
S
10
1.6
SW
16
1.5
SSE
10
1.6
SSW
15
1.7
SSW
14
1.8
SSW
13
2.1
NNW
7
2.4
NNW
7
2.1
NNW
7
1.8
NNW
7
1.8
SW
14
1.8
SSE
13
1.9
WSW
8
1.7
S
18
1.7
S
16
1.6
S
16
1.5
S
15
1.5
S
14
2
SW
14
2.3
SW
12
2.3
SW
12
2.2
SW
12
2
SW
11
2
SW
11
2.1
SSE
17
2.5
SSE
16
3.5
NNE
8
3.5
NNE
10
3
NE
9
3
NNE
9
3.5
WSW
15
4.5
W
14
4.5
W
14
4
W
13
3.5
WSW
12
3.5
SW
11
3
S
12
2.5
S
11
2.4
SSE
11
2.2
SSE
11
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
light rain
mod rain
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
cloud
part cloud
clear
part cloud
light rain
light rain
part cloud
mod rain
rain showers
clear
clear
part cloud
rain showers
cloud
part cloud
part cloud
part cloud
part cloud
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
light rain
mod rain
rain shwrs
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
clear
some clouds
cloudy
some clouds
clear
some clouds
light rain
light rain
some clouds
mod rain
rain shwrs
clear
clear
some clouds
rain shwrs
cloudy
some clouds
some clouds
some clouds
some clouds
 km/h
20
SW
20
SSE
20
SE
25
ESE
25
ENE
25
NE
20
NE
20
NE
20
NE
25
ENE
30
NE
30
NE
35
NNE
40
N
35
NNW
25
WNW
25
WNW
30
W
30
W
30
W
25
WSW
25
WSW
20
SSE
20
S
20
SW
30
SSW
20
SSE
15
SE
15
ENE
25
ENE
30
NE
30
NE
35
NE
55
NE
40
N
35
NNW
50
NNW
35
NW
45
WNW
45
W
40
WSW
30
WSW
35
SW
30
SSW
25
S
25
SSE
20
E
 mm 
2
6
2
5
1
7
1
1
max°C
16
15
13
12
14
14
16
17
17
17
17
17
17
19
19
19
18
17
17
17
17
17
16
14
15
15
14
13
14
15
16
17
17
19
19
19
19
19
17
17
16
16
14
13
14
14
14
Moonrise
6:01
7:14
8:30
9:48
11:04
12:14
1:12
2:00
2:37
3:08
3:35
3:59
4:22
4:45
5:10
Moonset
5:08
5:35
6:06
6:42
7:27
8:21
9:25
10:36
11:48
12:59
2:07
3:11
4:13
5:14
6:15
Sunrise
7:15
7:16
7:16
7:16
7:18
7:18
7:20
7:20
7:22
7:22
7:24
7:24
7:24
7:26
7:26
Sunset
6:22
6:22
6:21
6:19
6:17
6:16
6:15
6:14
6:13
6:12
6:09
6:08
6:07
6:07
6:06
6:04
Today's sea temperature in Tristan da Cunha Island is
17.9° C
(Statistics for 15 Apr 1981-2005 – mean: 16.7 max: 18.2 min: 15.5°C)
Issued (local time): 5 pm Wednesday 15 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest