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 Thu night, min 22°C on Sat morning). Wind will be generally light.

Days 5–7 Weather Summary

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

Days 8–10 Weather Summary

Mostly dry. Warm (max 23°C on Wed night, min 22°C on Wed night). Mainly fresh winds.

Days 11–13 Weather Summary

Mostly dry. Warm (max 23°C on Sat night, min 22°C on Sat night). Mainly fresh winds.

Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tue
16
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
5:52AM1.23m
6:22PM1.30m
6:41AM1.19m
7:10PM1.30m
7:31AM1.13m
7:58PM1.28m
8:23AM1.06m
8:50PM1.24m
9:19AM0.99m
9:45PM1.19m
10:21AM0.93m
10:45PM1.14m
11:31AM0.90m
11:51PM1.09m
12:46PM0.89m
00:57AM1.06m
1:55PM0.91m
1:59AM1.05m
2:52PM0.95m
2:52AM1.05m
3:38PM1.00m
3:37AM1.05m
4:18PM1.05m
Low Tide
11:47PM0.29m
12:03PM0.24m
00:38AM0.29m
12:47PM0.27m
1:31AM0.30m
1:33PM0.31m
2:25AM0.34m
2:20PM0.37m
3:22AM0.39m
3:11PM0.44m
4:25AM0.44m
4:07PM0.50m
5:33AM0.48m
5:13PM0.55m
6:42AM0.49m
6:26PM0.57m
7:45AM0.49m
7:38PM0.58m
8:38AM0.48m
8:41PM0.56m
9:22AM0.46m
9:34PM0.54m
9:59AM0.43m
Wave
height (m) 
direction
period (s) 
1.2
W
10
1.1
SW
10
1.2
WSW
11
1.2
WNW
10
1.2
W
10
1.2
W
10
1.3
W
10
1.3
SSW
12
1.3
SSW
11
1.3
SSW
13
1.3
NNW
15
1.3
NNW
14
1.2
NNW
14
1.2
NNW
13
1.2
NNW
17
1.2
NNW
18
1.3
NNW
16
1.3
NNW
15
1.4
NW
15
1.4
NNW
20
1.4
NNW
20
1.4
NNW
18
1.4
NNW
17
1.5
NNW
16
1.5
NW
15
1.6
WSW
14
1.6
SW
13
1.7
WSW
13
1.7
NW
13
1.7
NNW
21
2
NNW
19
2.1
NNW
18
2
NNW
17
2
NNW
16
1.9
NNW
16
1.9
NNW
15
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
clear
cloud
cloud
clear
cloud
cloud
part cloud
cloud
part cloud
clear
part cloud
cloud
clear
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
cloudy
some clouds
some clouds
clear
cloudy
cloudy
clear
cloudy
cloudy
some clouds
cloudy
some clouds
clear
some clouds
cloudy
clear
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
clear
 km/h
25
ESE
25
ESE
25
ESE
30
ESE
20
SE
25
SE
20
ESE
20
SE
20
SE
20
ESE
15
ESE
20
ESE
20
ESE
20
SE
25
ESE
25
ESE
25
SE
25
SE
20
SE
25
SE
25
SE
25
SE
20
ESE
20
SE
25
SE
25
ESE
25
ESE
30
ESE
25
ESE
25
ESE
25
ESE
25
ESE
25
SE
25
SE
25
ESE
25
SE
 mm 
max°C
23
23
23
23
22
22
23
22
23
23
23
23
23
22
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
Moonrise
7:59
9:05
10:05
10:58
11:44
12:26
1:05
1:43
2:20
2:58
3:38
Moonset
6:47
7:55
9:01
10:03
11:00
11:52
12:39
1:24
2:08
2:52
3:37
4:24
Sunrise
6:31
6:31
6:31
6:31
6:31
6:33
6:33
6:33
6:33
6:33
6:35
6:35
Sunset
7:04
7:05
7:05
7:06
7:06
7:07
7:07
7:07
7:07
7:08
7:09
7:09
Today's sea temperature in Ascension Island is
24.9° C
(Statistics for 04 Dec 1981-2005 – mean: 24.8 max: 25.7 min: 24.0°C)
Issued (local time): 11 pm Thursday 04 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest