Round Island Sea Conditions and Tide Table

Round 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

Moderate rain (total 14mm), heaviest on Fri night. Warm air temperatures (max 29°C on Wed night, min 28°C on Wed night). Winds increasing (calm on Thu afternoon, fresh winds from the N by Sat morning).

Days 5–7 Weather Summary

Moderate rain (total 12mm), heaviest on Tue morning. Warm air temperatures (max 29°C on Sat night, min 29°C on Sat night). Mainly fresh winds.

Days 8–10 Weather Summary

Moderate rain (total 14mm), heaviest on Thu morning. Warm (max 29°C on Tue night, min 28°C on Fri morning). Wind will be generally light.

Days 11–13 Weather Summary

Heavy rain (total 43mm), heaviest during Sat night. Warm (max 29°C on Fri night, min 26°C on Sun afternoon). Winds decreasing (fresh winds from the W on Sun afternoon, light winds from the WSW by Mon night).

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Mon
5
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
12:19PM2.75m
5:53PM2.66m
11:30AM2.69m
7:22PM2.51m
11:06AM2.73m
8:33PM2.37m
11:04AM2.86m
9:41PM2.22m
11:16AM3.02m
10:51PM2.07m
11:36AM3.18m
00:10AM1.93m
12:02PM3.32m
1:47AM1.83m
12:29PM3.44m
3:57AM1.82m
1:03PM3.47m
1:39PM3.43m
2:21PM3.32m
3:12PM3.16m
Low Tide
2:41AM0.62m
4:03PM2.64m
3:05AM0.71m
4:12PM2.38m
3:27AM0.82m
4:43PM2.09m
3:51AM0.96m
5:20PM1.79m
4:14AM1.12m
6:02PM1.51m
4:37AM1.28m
6:48PM1.24m
4:59AM1.46m
7:38PM1.02m
8:29PM0.81m
9:28PM0.68m
10:33PM0.58m
11:40PM0.51m
Wave
height (m) 
direction
period (s) 
0.1
S
2
0
W
3
0
W
3
0.1
S
2
0
W
2
0.1
W
2
0.1
W
3
0.5
N
3
0.3
NNW
3
0.2
WNW
3
0.4
WNW
3
0.6
WNW
3
0.5
W
3
0.6
WNW
3
0.6
WNW
4
0.4
WNW
3
0.4
WNW
3
0.5
WNW
3
0.4
WNW
3
0.3
WNW
3
0.4
NW
3
0.3
WNW
2
0.3
WNW
3
0.4
WNW
3
0.4
WNW
3
0.4
NW
3
0.4
NW
3
0.3
WNW
2
0.3
WNW
3
0.4
WNW
3
0.3
WNW
3
0.4
NW
3
0.7
WNW
4
0.4
WNW
3
0.2
WNW
3
0.3
NW
2
rain showers
part cloud
cloud
thunderstorm
part cloud
thunderstorm
rain showers
thunderstorm
cloud
part cloud
clear
part cloud
part cloud
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
thunderstorm
part cloud
part cloud
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
rain showers
mod rain
thunderstorm
rain showers
mod rain
thunderstorm
rain shwrs
some clouds
cloudy
risk tstorm
some clouds
risk tstorm
rain shwrs
risk tstorm
cloudy
some clouds
clear
some clouds
some clouds
risk tstorm
risk tstorm
rain shwrs
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
rain shwrs
risk tstorm
some clouds
some clouds
risk tstorm
some clouds
some clouds
risk tstorm
risk tstorm
rain shwrs
mod rain
risk tstorm
rain shwrs
mod rain
risk tstorm
 km/h
15
S
5
ESE
5
N
10
SSE
10
NNW
15
W
5
NNW
30
N
20
WNW
15
WNW
25
NW
30
WNW
25
WNW
30
NW
30
WNW
20
WNW
25
WNW
25
WNW
20
WNW
20
WNW
20
WNW
20
WNW
20
WNW
25
WNW
25
NW
25
NW
20
NW
20
WNW
20
WNW
20
W
20
WNW
25
NW
30
WNW
20
W
15
NNW
20
WNW
 mm 
1
6
1
4
2
2
1
2
6
1
1
3
1
2
5
2
3
1
11
9
4
3
8
2
max°C
29
29
29
29
29
29
29
28
29
29
29
29
29
29
29
29
29
29
29
29
29
29
29
29
29
28
29
29
29
29
29
28
27
28
27
27
Moonrise
10:15
11:04
11:53
12:44
1:37
2:35
3:38
4:44
5:52
6:57
7:57
8:49
Moonset
10:13
10:53
11:33
12:12
12:54
1:39
2:29
3:26
4:29
5:35
6:43
7:47
Sunrise
6:07
6:07
6:09
6:09
6:09
6:11
6:11
6:11
6:11
6:13
6:13
6:13
Sunset
6:52
6:52
6:53
6:53
6:53
6:54
6:54
6:55
6:55
6:57
6:57
6:57
Today's sea temperature in Round Island is
29.8° C
(Statistics for 24 Dec 1981-2005 – mean: 29.4 max: 30.6 min: 27.9°C)
Issued (local time): 9 pm Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest