Ascension Island Sea Conditions and Tide Table

Ascension 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

Mostly dry. Warm air temperatures (max 23°C on Sat night, min 22°C on Mon morning). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Warm air temperatures (max 24°C on Thu afternoon, min 23°C on Tue night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Warm (max 23°C on Fri night, min 22°C on Fri night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Warm (max 23°C on Mon night, min 22°C on Tue night). Wind will be generally light.

Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thu
1
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
6:33PM1.17m
6:40AM1.05m
7:06PM1.18m
7:16AM1.03m
7:40PM1.18m
7:53AM1.02m
8:16PM1.18m
8:32AM1.00m
8:56PM1.16m
9:17AM0.98m
9:40PM1.15m
10:09AM0.95m
10:32PM1.13m
11:12AM0.94m
11:33PM1.11m
12:24PM0.95m
00:41AM1.10m
1:38PM0.99m
1:52AM1.10m
2:46PM1.05m
2:59AM1.12m
3:46PM1.12m
4:02AM1.13m
4:40PM1.20m
Low Tide
00:48AM0.44m
12:43PM0.38m
1:23AM0.43m
1:16PM0.39m
2:00AM0.43m
1:50PM0.41m
2:39AM0.44m
2:28PM0.43m
3:23AM0.45m
3:11PM0.46m
4:13AM0.46m
4:01PM0.49m
5:10AM0.46m
5:02PM0.51m
6:15AM0.46m
6:15PM0.53m
7:22AM0.44m
7:33PM0.52m
8:26AM0.40m
8:47PM0.48m
9:25AM0.36m
9:54PM0.42m
10:18AM0.33m
Wave
height (m) 
direction
period (s) 
1.2
NW
13
1.2
NW
13
1.1
NW
12
1.2
WNW
12
1.2
W
11
1.2
W
11
1.2
NNW
16
1.2
NW
14
1.2
NNW
16
1.3
WNW
13
1.2
NNW
14
1.2
NW
14
1.2
WNW
13
1.2
W
12
1.2
W
12
1.3
SW
12
1.3
NNW
14
1.2
SW
11
1.2
NNW
14
1.1
NNW
14
1.1
NNW
13
0.9
NNW
13
0.9
NNW
12
0.9
NNW
12
0.9
NNW
12
0.8
NW
16
0.9
NW
16
1
NW
15
1
NW
14
1.1
NW
14
1.2
WNW
13
1.2
W
13
1.3
WSW
12
1.3
WSW
12
1.3
SW
11
1.2
SW
11
part cloud
part cloud
cloud
part cloud
cloud
cloud
part cloud
cloud
clear
clear
part cloud
cloud
part cloud
part cloud
clear
clear
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
clear
part cloud
cloud
clear
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
some clouds
some clouds
cloudy
some clouds
cloudy
cloudy
some clouds
cloudy
clear
clear
some clouds
cloudy
some clouds
some clouds
clear
clear
cloudy
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
clear
some clouds
cloudy
clear
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
 km/h
25
ESE
25
SE
20
SE
25
SE
20
SE
20
SSE
20
SE
15
SE
15
SE
20
SE
20
ESE
20
SE
20
SE
20
SE
25
SE
25
ESE
25
SE
25
SE
25
SE
25
SE
20
SE
15
SE
20
ESE
15
SE
20
ESE
20
ESE
25
ESE
25
ESE
25
SE
25
SE
25
SE
25
SE
20
SE
15
ESE
20
SE
20
SE
 mm 
max°C
23
23
23
23
22
22
23
22
23
23
23
23
23
23
24
23
23
23
23
22
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
Moonrise
7:41
8:34
9:26
10:16
11:04
11:52
12:41
1:31
2:25
3:24
4:27
5:34
Moonset
8:39
9:27
10:12
10:55
11:35
12:16
12:57
1:42
2:30
3:24
4:25
Sunrise
6:37
6:37
6:37
6:39
6:39
6:39
6:39
6:41
6:41
6:41
6:43
6:43
Sunset
7:13
7:13
7:14
7:14
7:15
7:15
7:15
7:15
7:15
7:16
7:16
7:17
Today's sea temperature in Ascension Island is
24.8° C
(Statistics for 20 Dec 1981-2005 – mean: 25.2 max: 26.1 min: 24.3°C)
Issued (local time): 11 pm Saturday 20 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest