Great Captain Island Sea Conditions and Tide Table

Great Captain 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 05:54 AM and sunset is at 07:47 PM.

Days 1–3 Weather Summary

Moderate rain (total 11mm), heaviest on Wed night. Cool air temperatures (max 14°C on Wed afternoon, min 7°C on Fri morning). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 17°C on Mon afternoon, min 6°C on Sat night). Wind will be generally light.

Days 7–9 Weather Summary

Moderate rain (total 13mm), heaviest on Tue night. Very mild (max 18°C on Thu afternoon, min 9°C on Thu night). Winds decreasing (fresh winds from the SSW on Tue morning, light winds from the SE by Wed night).

Days 10–12 Weather Summary

Light rain (total 2mm), mostly falling on Sat afternoon. Very mild (max 16°C on Fri afternoon, min 7°C on Sun night). Wind will be generally light.

Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thu
14
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
10:40AM2.23m
10:52PM2.46m
11:22AM2.20m
11:31PM2.46m
12:00PM2.17m
00:09AM2.44m
12:38PM2.15m
00:45AM2.41m
1:15PM2.12m
1:22AM2.38m
1:52PM2.10m
2:00AM2.34m
2:31PM2.09m
2:39AM2.30m
3:13PM2.09m
3:23AM2.26m
3:58PM2.09m
4:10AM2.21m
4:47PM2.11m
5:02AM2.18m
5:39PM2.15m
5:57AM2.15m
6:31PM2.22m
6:54AM2.15m
7:24PM2.31m
7:50AM2.17m
8:15PM2.41m
8:44AM2.21m
Low Tide
4:45PM0.08m
5:17AM-0.12m
5:25PM0.09m
5:57AM-0.12m
6:03PM0.12m
6:34AM-0.08m
6:40PM0.17m
7:12AM-0.02m
7:17PM0.24m
7:49AM0.06m
7:54PM0.32m
8:27AM0.14m
8:35PM0.40m
9:08AM0.22m
9:18PM0.46m
9:51AM0.29m
10:06PM0.51m
10:38AM0.34m
10:59PM0.52m
11:28AM0.36m
11:55PM0.48m
12:19PM0.34m
00:52AM0.38m
1:12PM0.29m
1:48AM0.26m
2:03PM0.22m
2:42AM0.10m
2:54PM0.13m
Wave
height (m) 
direction
period (s) 
part cloud
part cloud
mod rain
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
clear
clear
part cloud
part cloud
part cloud
rain showers
mod rain
cloud
clear
part cloud
cloud
light rain
rain showers
clear
clear
clear
part cloud
rain showers
clear
clear
part cloud
clear
clear
part cloud
clear
clear
cloud
part cloud
clear
part cloud
clear
clear
clear
some clouds
some clouds
mod rain
light rain
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
cloudy
clear
clear
some clouds
some clouds
some clouds
rain shwrs
mod rain
cloudy
clear
some clouds
cloudy
light rain
rain shwrs
clear
clear
clear
some clouds
rain shwrs
clear
clear
some clouds
clear
clear
some clouds
clear
clear
cloudy
some clouds
clear
some clouds
clear
clear
clear
 km/h
10
E
15
SSE
15
SSE
5
SSW
15
NW
15
NW
20
WNW
25
WNW
5
NW
10
W
15
WSW
10
NNW
20
WNW
20
NW
5
W
20
SW
25
SSW
25
SSW
30
SSW
25
SW
10
W
10
NE
5
ESE
5
SE
15
SSE
15
SSE
30
WNW
25
WNW
25
NW
10
W
30
W
20
WNW
15
WNW
20
WNW
25
NW
15
NW
15
WNW
25
NW
10
N
10
E
15
E
15
E
15
E
10
ESE
10
WNW
5
NNW
5
SE
 mm 
10
1
1
8
1
3
2
max°C
12
14
12
11
13
12
11
14
12
11
15
13
10
13
12
14
17
15
16
17
17
11
15
15
15
18
18
13
16
14
11
15
14
12
16
13
13
16
14
11
14
12
10
13
12
16
20
Moonrise
6:07
7:11
8:15
9:19
10:20
11:17
12:07
12:50
1:25
1:55
2:21
2:44
3:06
3:29
3:53
Moonset
4:38
5:00
5:24
5:52
6:25
7:05
7:53
8:48
9:49
10:53
11:58
1:04
2:11
3:20
4:32
5:48
Sunrise
5:54
5:54
5:52
5:50
5:50
5:48
5:48
5:46
5:45
5:43
5:43
5:41
5:41
5:39
5:39
5:37
Sunset
7:47
7:49
7:50
7:51
7:52
7:52
7:53
7:54
7:55
7:57
7:59
8:00
8:00
8:01
8:02
8:04
Today's sea temperature in Great Captain Island is
9.6° C
(Statistics for 29 Apr 1981-2005 – mean: 8.2 max: 9.7 min: 6.1°C)
Issued (local time): 1 am Wednesday 29 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest