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 06:50 AM and sunset is at 06:38 PM.

Days 1–3 Weather Summary

Heavy rain (total 33mm), heaviest during Thu afternoon. Cool air temperatures (max 16°C on Thu afternoon, min 11°C on Thu night). Winds increasing (moderate winds from the NW on Tue night, gales from the N by Thu morning).

Days 4–6 Weather Summary

Light rain (total 4mm), mostly falling on Sun morning. Cool air temperatures (max 12°C on Sat night, min 11°C on Fri morning). Winds increasing (calm on Fri night, strong winds from the SW by Sun night).

Days 7–9 Weather Summary

Mostly dry. Very mild (max 15°C on Wed morning, min 9°C on Tue morning). Winds decreasing (strong winds from the WSW on Mon afternoon, light winds from the ESE by Tue afternoon).

Days 10–12 Weather Summary

Mostly dry. Very mild (max 16°C on Fri night, min 14°C on Fri night). Mainly strong winds.

Days 13–16 Weather Summary

Moderate rain (total 17mm), heaviest on Mon night. Very mild (max 15°C on Sun morning, min 10°C on Tue night). Winds decreasing (near gales from the NNW on Mon morning, light winds from the SW by Tue night).

Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wed
30
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
AM
PM
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
2:52PM0.73m
3:14AM0.68m
3:29PM0.68m
3:56AM0.62m
4:17PM0.64m
4:59AM0.58m
5:36PM0.60m
6:51AM0.56m
7:33PM0.60m
8:33AM0.59m
8:53PM0.63m
9:27AM0.63m
9:41PM0.68m
10:05AM0.68m
10:17PM0.73m
10:38AM0.73m
10:49PM0.77m
11:09AM0.77m
11:19PM0.81m
11:39AM0.81m
11:51PM0.84m
12:10PM0.83m
00:23AM0.85m
12:42PM0.84m
00:58AM0.85m
1:16PM0.84m
1:35AM0.83m
1:53PM0.82m
Low Tide
8:43AM0.27m
9:06PM0.28m
9:16AM0.33m
9:48PM0.34m
9:57AM0.38m
10:46PM0.39m
11:03AM0.42m
00:25AM0.42m
1:00PM0.43m
2:14AM0.40m
2:36PM0.40m
3:16AM0.36m
3:30PM0.36m
3:57AM0.31m
4:08PM0.31m
4:30AM0.26m
4:41PM0.26m
5:01AM0.22m
5:12PM0.22m
5:31AM0.18m
5:43PM0.19m
6:02AM0.15m
6:15PM0.16m
6:34AM0.14m
6:49PM0.16m
7:08AM0.15m
7:25PM0.16m
7:44AM0.18m
8:05PM0.19m
Wave
Height (m)
Direction
Period (s)
3
SW
11
2.5
SW
11
2.4
SW
10
2.4
SW
11
2.5
SW
12
2.5
SW
12
4
N
8
5
NNW
10
4.5
NNW
10
3.5
NNW
10
3.5
NW
9
3
WSW
10
2.1
W
9
1.8
WNW
9
1.6
WSW
10
1.6
SW
10
1.7
SW
12
2.2
SW
12
2.5
WSW
12
2.5
WSW
11
3
SW
10
3
SW
11
2.5
SW
11
2.5
SW
12
2.3
SW
11
2.2
SSW
11
2.5
SW
10
3
WSW
10
3
WSW
10
3.5
SW
15
3.5
SW
14
3
SW
13
2.5
SW
12
2.3
SW
12
2.4
WSW
10
3
WSW
10
3
WSW
11
3
WSW
11
2.5
WSW
11
3.5
W
10
4
W
11
4.5
W
13
4
W
13
4
WSW
13
3.5
WSW
12
3
WSW
12
2.5
WSW
12
clear
clear
clear
clear
clear
part cloud
heavy rain
heavy rain
rain showers
clear
part cloud
part cloud
clear
clear
rain showers
light rain
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
clear
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
heavy rain
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
some clouds
heavy rain
heavy rain
rain shwrs
clear
some clouds
some clouds
clear
clear
rain shwrs
light rain
some clouds
clear
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
cloudy
some clouds
some clouds
clear
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
heavy rain
some clouds
cloudy
some clouds
clear
clear
km/h
30
W
30
WNW
30
NW
30
NW
30
NNW
45
N
65
N
60
NNW
35
SW
25
SW
15
S
5
SE
10
ESE
5
NE
20
NNE
25
NNW
15
WNW
35
SSW
40
WSW
40
W
40
WSW
25
S
10
ESE
25
N
40
NNW
40
NW
45
NW
40
NW
40
NW
45
NW
40
WNW
40
WNW
35
NW
35
NW
40
NW
40
WNW
35
WNW
30
NW
40
NNW
50
NNW
50
NW
50
NW
30
WSW
35
SW
15
SW
25
W
30
W
 mm
14
12
7
1
3
15
max °C
13
13
13
13
13
14
15
16
14
11
11
11
11
11
12
12
12
12
12
14
14
10
9
12
15
14
15
15
15
15
15
15
16
15
15
15
15
15
15
15
15
15
13
12
11
12
13
Moonrise
8:44
9:18
9:58
10:45
11:37
12:35
1:35
2:38
3:41
4:44
5:48
6:54
8:02
9:13
10:26
Moonset
11:33
12:35
1:33
2:25
3:11
3:51
4:25
4:55
5:22
5:47
6:11
6:37
7:05
7:37
8:17
Sunrise
6:50
6:48
6:47
6:45
6:43
6:41
6:41
6:39
6:37
6:35
6:33
6:33
6:31
6:30
6:28
6:26
Sunset
6:38
6:39
6:40
6:40
6:42
6:43
6:44
6:45
6:45
6:45
6:46
6:47
6:49
6:50
6:51
6:51
Today's sea temperature in Tristan da Cunha Island is
14.0°C
(Statistics for 15 Sep 1981-2005 – mean: 12.7 max: 13.5 min: 11.9°C)
Issued (local time): 11 am Tuesday 15 Sep 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest