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 05:38 PM.

Days 1–4 Weather Summary

Some drizzle, heaviest during Sun night. Cool air temperatures (max 17°C on Sun night, min 11°C on Tue night). Winds decreasing (gales from the NW on Sun night, light winds from the ESE by Tue night).

Days 5–7 Weather Summary

Moderate rain (total 11mm), heaviest on Thu afternoon. Cool air temperatures (max 16°C on Wed night, min 11°C on Thu night). Winds decreasing (strong winds from the NW on Thu morning, calm by Fri afternoon).

Days 8–10 Weather Summary

Moderate rain (total 17mm), heaviest on Sat night. Very mild (max 17°C on Sat afternoon, min 9°C on Tue morning). Winds decreasing (near gales from the WNW on Sat night, calm by Mon night).

Days 11–13 Weather Summary

Moderate rain (total 19mm), heaviest on Fri afternoon. Very mild (max 13°C on Tue afternoon, min 9°C on Wed afternoon). Mainly strong winds.

Sun
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
1
Wednesday
2
Thursday
3
Fri
4
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
Wave Height Map
High Tide
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
6:21PM0.64m
6:44AM0.64m
7:23PM0.64m
7:49AM0.63m
Low Tide
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
00:30AM0.37m
1:03PM0.36m
1:38AM0.37m
Wave
height (m) 
direction
period (s) 
2.5
SW
11.0
3
NW
7.0
4.5
W
11.0
4.5
WSW
12.0
4
WSW
11.0
3.5
WSW
11.0
3
SW
11.0
3.5
S
13.0
3
SSE
13.0
2.5
SSE
12.0
2.5
SE
13.0
3
SE
13.0
3
S
12.0
3
WSW
12.0
2.5
WSW
11.0
2.3
WSW
13.0
2.1
WSW
12.0
2.2
WSW
11.0
2.5
WSW
11.0
3.5
W
9.0
3.5
W
11.0
3
WSW
12.0
3.5
WSW
11.0
4.5
WSW
14.0
4.5
WSW
14.0
4
WSW
13.0
3
WSW
13.0
3
WSW
12.0
3
SW
12.0
2.5
SW
11.0
2.3
SW
11.0
2.3
SW
10.0
2.5
SSW
12.0
2.2
SSW
12.0
1.8
SSW
12.0
1.8
SSW
11.0
cloud
rain showers
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
light rain
rain showers
clear
clear
clear
part cloud
light rain
cloud
rain showers
clear
part cloud
light rain
cloud
part cloud
cloud
light rain
mod rain
light rain
cloud
light rain
rain showers
part cloud
part cloud
part cloud
light rain
cloudy
rain shwrs
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
light rain
rain shwrs
clear
clear
clear
some clouds
light rain
cloudy
rain shwrs
clear
some clouds
light rain
cloudy
some clouds
cloudy
light rain
mod rain
light rain
cloudy
light rain
rain shwrs
some clouds
some clouds
some clouds
light rain
 km/h
45
NNW
55
NW
50
WSW
50
WSW
50
WSW
35
WSW
20
S
10
ESE
25
N
30
NW
35
NW
45
NNW
30
W
25
SW
20
SSW
5
S
25
N
40
NNW
45
NW
55
WNW
40
W
40
W
50
W
30
WSW
35
WSW
20
SW
15
NE
35
ENE
45
SE
30
SE
25
SSE
40
SSW
35
SSW
25
SSW
15
WSW
35
NW
 mm 
1
2
8
1
12
1
4
7
2
1
2
1
max°C
16
17
13
13
13
13
12
11
13
14
16
16
15
13
11
11
13
15
17
17
14
13
14
12
13
12
10
13
12
11
10
10
10
10
11
12
Moonrise
4:44
6:01
7:16
8:24
9:20
10:04
10:40
11:09
11:34
11:57
12:18
12:40
1:04
Moonset
2:46
3:32
4:28
5:35
6:47
7:59
9:09
10:14
11:16
12:16
1:14
2:12
Sunrise
8:02
8:02
8:03
8:03
8:03
8:03
8:03
8:03
8:03
8:03
8:03
8:03
Sunset
5:38
5:38
5:39
5:39
5:39
5:40
5:40
5:40
5:42
5:42
5:43
5:43
Today's sea temperature in Tristan da Cunha Island is 14.8 °C (Statistics for 22 Jun 1981-2005 – mean: 13.8 max: 15.1 min: 13.1°C)
Issued (local time): 5 pm Sunday 22 Jun 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest