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 07:07 AM and sunset is at 06:32 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Fri night. Warm air temperatures (max 20°C on Fri night, min 15°C on Wed morning). Winds increasing (light winds from the SSW on Wed night, gales from the NNW by Fri night).

Days 4–6 Weather Summary

Some drizzle, heaviest during Sun afternoon. Cool air temperatures (max 18°C on Sat morning, min 14°C on Mon morning). Winds decreasing (near gales from the WNW on Sat morning, light winds from the SSW by Mon night).

Days 7–9 Weather Summary

Some drizzle, heaviest during Wed morning. Very mild (max 16°C on Tue night, min 12°C on Thu night). Winds increasing (light winds from the WSW on Tue morning, fresh winds from the S by Thu morning).

Days 10–12 Weather Summary

Moderate rain (total 12mm), heaviest on Mon morning. Very mild (max 17°C on Sat morning, min 13°C on Fri morning). Wind will be generally light.

Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thu
23
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
High Tide
4:21PM0.59m
4:50AM0.61m
5:50PM0.57m
6:31AM0.60m
7:36PM0.59m
8:03AM0.62m
8:46PM0.63m
9:02AM0.67m
9:34PM0.69m
9:46AM0.73m
10:13PM0.74m
10:26AM0.78m
10:50PM0.79m
11:04AM0.83m
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
Low Tide
10:10AM0.37m
10:25PM0.40m
11:27AM0.40m
00:01AM0.42m
1:11PM0.40m
1:45AM0.41m
2:29PM0.36m
2:51AM0.36m
3:21PM0.31m
3:38AM0.31m
4:02PM0.25m
4:18AM0.25m
4:39PM0.20m
4:55AM0.20m
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
Wave
height (m) 
direction
period (s) 
3
SW
13
3
SW
12
2.4
SW
12
2.2
SW
12
2.1
SW
12
1.8
SSW
12
2.1
SSW
11
2.4
NW
6
4
NW
8
6
W
13
6.5
W
15
5
W
15
4
WSW
13
4
WSW
9
4.5
WSW
11
4.5
SW
12
4.5
SW
13
4
SW
16
3.5
SW
14
3
SW
13
2.3
SW
12
1.9
WSW
13
2.1
SSW
12
2.4
SSW
12
2.5
SW
12
3.5
SSW
16
3.5
S
14
2.5
S
13
2.2
SSW
12
1.8
S
12
1.7
SSE
10
1.5
SW
16
1.4
SW
15
2.1
SSW
14
2.1
SSW
14
2
SSW
13
1.9
SSW
12
1.9
SSW
12
1.6
SSW
11
1.6
SW
18
2
SW
16
2.2
SW
15
2.5
SW
14
3
E
7
3.5
E
8
4
E
9
5
E
10
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
rain showers
clear
clear
part cloud
part cloud
rain showers
clear
clear
clear
clear
clear
part cloud
part cloud
light rain
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
rain showers
part cloud
part cloud
light rain
mod rain
rain showers
thunderstorm
clear
part cloud
part cloud
light rain
light rain
light rain
heavy rain
rain showers
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
rain shwrs
clear
clear
some clouds
some clouds
rain shwrs
clear
clear
clear
clear
clear
some clouds
some clouds
light rain
clear
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
cloudy
rain shwrs
some clouds
some clouds
light rain
mod rain
rain shwrs
risk tstorm
clear
some clouds
some clouds
light rain
light rain
light rain
heavy rain
rain shwrs
 km/h
20
S
15
S
10
SSW
15
W
20
WNW
25
NNW
40
NNW
50
NNW
65
NNW
60
WNW
45
WSW
35
W
45
W
50
WSW
55
WSW
45
SSW
35
SSW
20
SSW
15
SW
20
WSW
20
SW
20
S
25
SSE
30
S
35
S
30
SSE
25
ESE
20
ENE
20
NE
20
N
15
N
10
NNW
5
WNW
10
E
15
E
25
ENE
20
NE
30
ENE
10
NNW
15
E
25
E
30
E
45
E
50
ESE
50
E
65
E
65
E
 mm 
1
1
1
1
5
10
3
2
1
1
2
14
15
max°C
15
15
15
16
16
17
18
19
20
18
16
17
17
16
16
15
14
14
14
14
16
15
14
14
14
13
13
13
14
16
17
17
17
17
17
17
17
19
19
18
18
18
17
17
17
17
19
Moonrise
10:29
11:28
12:30
1:34
2:39
3:44
4:52
6:01
7:14
8:30
9:48
11:04
12:14
1:12
2:00
Moonset
1:19
2:05
2:45
3:20
3:50
4:17
4:42
5:08
5:35
6:06
6:42
7:27
8:21
9:25
10:36
Sunrise
7:07
7:09
7:09
7:09
7:11
7:11
7:13
7:13
7:15
7:16
7:16
7:16
7:18
7:18
7:20
7:20
Sunset
6:32
6:31
6:30
6:29
6:27
6:25
6:24
6:22
6:22
6:21
6:19
6:17
6:16
6:15
6:14
6:13
Today's sea temperature in Tristan da Cunha Island is
19.1° C
(Statistics for 08 Apr 1981-2005 – mean: 16.8 max: 18.4 min: 15.7°C)
Issued (local time): 5 am Wednesday 08 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest