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 07:11 AM and sunset is at 06:52 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 24°C on Wed morning, min 22°C on Wed night). Mainly fresh winds.

Days 4–6 Weather Summary

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

Days 7–9 Weather Summary

Light rain (total 2mm), mostly falling on Wed morning. Warm (max 24°C on Tue afternoon, min 23°C on Tue morning). Mainly fresh winds.

Days 10–12 Weather Summary

Mostly dry. Warm (max 24°C on Sat morning, min 23°C on Fri morning). Mainly fresh winds.

Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
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
5:24PM1.04m
5:53AM1.16m
6:03PM1.06m
6:28AM1.20m
6:40PM1.07m
7:03AM1.23m
7:18PM1.07m
7:40AM1.24m
7:57PM1.07m
8:18AM1.25m
8:39PM1.06m
9:00AM1.23m
9:25PM1.03m
9:46AM1.21m
10:17PM1.01m
10:39AM1.16m
11:19PM0.98m
11:41AM1.12m
00:32AM0.98m
12:53PM1.08m
1:51AM1.00m
2:11PM1.06m
3:04AM1.06m
Low Tide
11:30AM0.47m
11:30PM0.39m
12:08PM0.43m
00:06AM0.37m
12:46PM0.40m
00:41AM0.36m
1:23PM0.38m
1:17AM0.35m
2:01PM0.36m
1:55AM0.36m
2:42PM0.37m
2:35AM0.37m
3:27PM0.38m
3:20AM0.40m
4:17PM0.40m
4:11AM0.45m
5:14PM0.43m
5:14AM0.49m
6:19PM0.45m
6:30AM0.52m
7:30PM0.45m
7:56AM0.52m
8:39PM0.43m
Wave
height (m) 
direction
period (s) 
1.5
SSE
9.0
1.5
SE
9.0
1.5
SSW
13.0
1.3
SSW
12.0
1.3
SSW
12.0
1.3
SSW
11.0
1.4
SSW
11.0
1.3
S
17.0
1.5
S
16.0
1.6
S
15.0
1.6
S
15.0
1.5
S
14.0
1.5
S
13.0
1.5
S
13.0
1.4
S
14.0
1.4
S
13.0
1.4
S
13.0
1.4
S
12.0
1.4
S
12.0
1.4
SSW
14.0
1.4
SSW
13.0
1.5
SSW
13.0
1.6
SSW
12.0
1.6
SSW
19.0
1.5
SSW
18.0
1.6
SSW
17.0
1.6
SSW
16.0
1.5
SSW
16.0
1.6
SSW
16.0
1.7
SSW
18.0
1.9
S
16.0
1.9
S
16.0
2
S
15.0
1.8
S
14.0
1.9
SSW
14.0
1.8
S
13.0
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
rain showers
rain showers
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
cloud
clear
part cloud
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
rain shwrs
rain shwrs
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
cloudy
clear
some clouds
 km/h
30
ESE
30
SE
30
ESE
25
SE
25
SE
25
SE
25
SE
20
SE
20
SE
20
SE
15
SSE
25
SE
20
SSE
20
SE
25
SE
25
SE
25
ESE
25
ESE
25
ESE
25
ESE
25
ESE
25
ESE
30
ESE
30
ESE
30
ESE
30
ESE
30
SE
25
ESE
30
SE
30
ESE
25
ESE
25
ESE
30
SE
30
SE
35
SE
30
ESE
 mm 
1
1
max°C
24
24
24
23
23
23
23
23
23
23
24
24
24
24
23
24
24
24
23
24
24
23
24
23
24
24
24
23
23
23
24
24
24
24
23
24
Moonrise
5:50
6:46
7:41
8:36
9:28
10:19
11:09
11:59
12:52
1:48
2:47
Moonset
5:57
6:52
7:44
8:34
9:21
10:05
10:47
11:30
12:13
12:59
1:49
2:45
Sunrise
7:11
7:11
7:11
7:11
7:11
7:11
7:11
7:11
7:11
7:11
7:11
7:11
Sunset
6:52
6:52
6:52
6:53
6:53
6:53
6:53
6:53
6:54
6:54
6:54
6:54
Today's sea temperature in Ascension Island is 26.0 °C (Statistics for 09 Jul 1981-2005 – mean: 25.8 max: 26.7 min: 24.6°C)
Issued (local time): 11 am Wednesday 09 Jul 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest