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 06:37 AM and sunset is at 07:13 PM.

Days 1–3 Weather Summary

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

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 23°C on Wed morning, min 23°C on Wed morning). Mainly fresh winds.

Days 7–9 Weather Summary

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

Days 10–12 Weather Summary

Mostly dry. Warm (max 23°C on Tue morning, min 22°C on Thu 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
Thursday
1
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
Wave Height Map
High Tide
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
4:58AM1.15m
Low Tide
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
10:54PM0.36m
Wave
height (m) 
direction
period (s) 
1.3
NW
13
1.2
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
1.1
WNW
13
1.2
W
12
1.2
W
12
1.2
SW
12
1.3
NNW
14
1.3
SW
11
1.2
NNW
14
1.2
NNW
14
1.1
NNW
13
1
NNW
13
0.9
NNW
12
0.9
NNW
12
0.9
NNW
12
0.8
NNW
16
0.9
NW
15
0.9
NW
15
0.9
NW
14
1
NW
14
1.1
W
13
1.3
W
13
1.4
WSW
12
1.4
WSW
12
1.4
SW
12
1.3
SW
11
1.3
WSW
11
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
cloud
part cloud
cloud
cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
clear
part cloud
clear
part cloud
cloud
part cloud
cloud
part cloud
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
cloudy
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
clear
some clouds
some clouds
clear
some clouds
cloudy
some clouds
cloudy
cloudy
clear
some clouds
some clouds
some clouds
cloudy
cloudy
clear
some clouds
clear
some clouds
cloudy
some clouds
cloudy
some clouds
 km/h
25
SE
25
SE
20
SE
20
SE
20
SE
20
ESE
15
SE
20
SE
15
SE
15
ESE
20
SSE
20
SE
25
SE
20
ESE
25
ESE
25
SE
30
SE
25
ESE
25
SE
20
SE
20
SE
20
SE
20
SE
20
ESE
15
E
20
ESE
20
ESE
20
SE
25
SE
25
SE
25
SE
25
SE
20
SE
25
SE
25
SE
20
ESE
 mm 
max°C
23
23
23
22
23
23
22
23
23
23
23
23
23
23
23
23
23
23
23
23
23
22
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
24.9° C
(Statistics for 21 Dec 1981-2005 – mean: 25.2 max: 26.1 min: 24.3°C)
Issued (local time): 5 am Sunday 21 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest