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 —.

Days 1–4 Weather Summary

Light rain (total 3mm), mostly falling on Sun afternoon. Cool air temperatures (max 17°C on Sun night, min 12°C on Fri night). Winds increasing (moderate winds from the W on Sat night, gales from the NW by Sun night).

Days 5–7 Weather Summary

Light rain (total 3mm), mostly falling on Thu morning. Cool air temperatures (max 16°C on Thu morning, min 9°C on Tue night). Winds increasing (light winds from the ENE on Tue night, near gales from the NW by Thu morning).

Days 8–10 Weather Summary

Light rain (total 4mm), mostly falling on Sat night. Very mild (max 16°C on Sat morning, min 11°C on Thu night). Winds increasing (light winds from the NW on Fri morning, strong winds from the WNW by Sat night).

Days 11–13 Weather Summary

Light rain (total 8mm), mostly falling on Sun night. Very mild (max 14°C on Sun night, min 7°C on Mon night). Winds decreasing (gales from the WSW on Mon night, light winds from the NW by Wed morning).

Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
1
Wed
2
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
8:26PM0.73m
8:54AM0.74m
9:26PM0.76m
9:56AM0.76m
10:21PM0.80m
10:53AM0.78m
11:12PM0.83m
11:46AM0.79m
00:02AM0.84m
12:36PM0.79m
00:50AM0.85m
1:23PM0.78m
1:37AM0.84m
2:10PM0.76m
2:23AM0.81m
2:56PM0.73m
3:10AM0.78m
3:42PM0.70m
3:57AM0.74m
4:30PM0.67m
4:47AM0.70m
5:23PM0.65m
5:42AM0.67m
Low Tide
2:40AM0.27m
3:09PM0.25m
3:43AM0.23m
4:06PM0.23m
4:40AM0.20m
4:59PM0.22m
5:33AM0.17m
5:49PM0.21m
6:23AM0.16m
6:37PM0.21m
7:12AM0.16m
7:24PM0.22m
8:00AM0.18m
8:09PM0.24m
8:46AM0.20m
8:55PM0.26m
9:33AM0.24m
9:41PM0.29m
10:21AM0.28m
10:31PM0.32m
11:11AM0.31m
11:27PM0.35m
12:05PM0.34m
Wave
height (m) 
direction
period (s) 
4.5
W
11.0
4
WSW
11.0
3.5
WSW
11.0
3
SW
11.0
2.5
SW
11.0
3
SW
11.0
3.5
NW
8.0
4.5
W
11.0
4.5
W
12.0
4
WSW
11.0
3.5
WSW
11.0
3.5
SW
11.0
3
SSE
13.0
3
SSE
13.0
3
SE
13.0
3
SE
13.0
3.5
S
13.0
3.5
W
9.0
3
WSW
15.0
3
WSW
14.0
2.5
WSW
13.0
2.2
WSW
12.0
2.4
WSW
12.0
2.5
SW
15.0
3
W
9.0
2.5
WSW
11.0
2.5
WSW
12.0
3.5
WSW
12.0
5
WSW
13.0
5
WSW
14.0
7.5
WSW
13.0
7
WSW
14.0
6
SW
14.0
4.5
SW
14.0
3.5
SW
13.0
3
SW
13.0
clear
part cloud
clear
part cloud
cloud
light rain
light rain
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
light rain
rain showers
clear
clear
part cloud
part cloud
cloud
light rain
rain showers
clear
cloud
light rain
clear
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
clear
some clouds
clear
some clouds
cloudy
light rain
light rain
clear
clear
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
light rain
rain shwrs
clear
clear
some clouds
some clouds
cloudy
light rain
rain shwrs
clear
cloudy
light rain
clear
rain shwrs
rain shwrs
some clouds
some clouds
some clouds
some clouds
some clouds
 km/h
50
WSW
35
WSW
30
WSW
25
WNW
30
NW
45
NNW
55
NW
45
WSW
50
WSW
45
SW
40
SSW
20
S
15
NNE
30
NNW
40
NW
40
NW
50
NW
40
SW
25
SSW
10
SW
10
NW
20
NNW
40
NNW
45
NW
45
WNW
25
WNW
40
WNW
50
WNW
50
WSW
55
W
70
SW
60
SSW
40
SSW
20
SSW
10
NW
25
NNW
 mm 
1
2
2
1
1
3
3
2
3
max°C
12
13
13
14
14
16
17
13
12
12
12
10
11
13
15
15
16
14
12
11
12
14
16
16
16
14
14
14
12
12
10
10
10
10
11
12
Moonrise
2:15
3:28
4:44
6:01
7:16
8:24
9:20
10:04
10:40
11:09
11:34
11:57
12:18
Moonset
1:37
2:08
2:46
3:32
4:28
5:35
6:47
7:59
9:09
10:14
11:16
12:16
Sunrise
8:02
8:02
8:02
8:02
8:03
8:03
8:03
8:03
8:03
8:03
8:03
8:03
Sunset
5:38
5:38
5:38
5:39
5:39
5:39
5:40
5:40
5:40
5:42
5:42
5:43
Today's sea temperature in Tristan da Cunha Island is 14.8 °C (Statistics for 20 Jun 1981-2005 – mean: 13.9 max: 14.6 min: 13.1°C)
Issued (local time): 11 pm Friday 20 Jun 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest