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 06:00 AM and sunset is at 06:43 PM.

Days 1–3 Weather Summary

Heavy rain (total 69mm), heaviest during Sun afternoon. Warm air temperatures (max 28°C on Tue afternoon, min 25°C on Sun morning). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 3mm), mostly falling on Wed morning. Warm air temperatures (max 29°C on Fri morning, min 28°C on Wed morning). Winds increasing (light winds from the NE on Wed morning, fresh winds from the ESE by Thu afternoon).

Days 7–9 Weather Summary

Light rain (total 2mm), mostly falling on Mon morning. Warm (max 29°C on Sat afternoon, min 28°C on Sat morning). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 29°C on Tue afternoon, min 28°C on Tue morning). Wind will be generally light.

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
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
4:12PM3.07m
5:15PM3.01m
10:34AM2.77m
6:17PM2.92m
10:45AM2.85m
7:15PM2.81m
11:07AM2.91m
8:12PM2.67m
11:31AM2.94m
9:09PM2.49m
11:55AM2.95m
10:08PM2.29m
12:18PM2.94m
11:16PM2.07m
12:38PM2.93m
00:50AM1.87m
12:54PM2.92m
3:29AM1.77m
1:03PM2.94m
1:03PM2.97m
Low Tide
1:12AM0.24m
1:57AM0.14m
2:11PM2.60m
2:38AM0.13m
3:16PM2.44m
3:17AM0.20m
4:09PM2.26m
3:54AM0.36m
4:59PM2.06m
4:28AM0.59m
5:49PM1.86m
4:58AM0.88m
6:40PM1.66m
5:23AM1.19m
7:35PM1.47m
8:38PM1.28m
9:48PM1.10m
10:58PM0.92m
Wave
height (m) 
direction
period (s) 
0.2
ESE
2
0.3
ESE
3
0.1
NE
2
0.1
N
2
0.1
N
2
0.3
N
3
0.2
N
2
0.1
NW
3
0.3
ESE
3
0.2
E
2
0.1
E
2
0.5
E
3
0.3
E
3
0.4
ESE
3
0.5
E
3
0.3
E
2
0.3
E
3
0.3
E
3
0.1
E
2
0.1
E
2
0.3
E
3
0.1
E
2
0.2
E
2
0.3
E
3
0.1
E
2
0.2
E
2
0.2
E
3
0.1
E
2
0.2
E
2
0.2
E
2
0.1
E
2
0.1
E
2
0.2
E
2
0.2
E
2
0.1
E
2
0.3
ESE
3
thunderstorm
thunderstorm
light rain
thunderstorm
cloud
cloud
thunderstorm
thunderstorm
part cloud
rain showers
clear
part cloud
clear
clear
part cloud
thunderstorm
thunderstorm
part cloud
clear
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
risk tstorm
risk tstorm
light rain
risk tstorm
cloudy
cloudy
risk tstorm
risk tstorm
some clouds
rain shwrs
clear
some clouds
clear
clear
some clouds
risk tstorm
risk tstorm
some clouds
clear
clear
clear
clear
clear
clear
risk tstorm
risk tstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
 km/h
20
ESE
15
ESE
15
NNE
15
NNW
10
NNW
25
N
10
NNE
10
NE
20
E
10
ENE
15
E
30
ESE
20
E
25
E
25
E
20
ESE
20
E
20
ENE
10
E
15
ENE
20
ENE
15
ENE
15
E
20
E
15
E
20
ENE
15
E
10
ENE
20
ENE
15
E
10
E
15
ENE
15
ESE
15
E
15
ENE
20
ESE
 mm 
30
31
3
3
1
1
1
1
1
1
1
max°C
26
25
26
26
26
27
27
28
28
28
28
28
28
28
28
29
28
28
28
29
28
29
29
29
28
29
28
28
29
28
29
29
29
28
29
29
Moonrise
9:18
10:13
11:02
11:44
12:23
1:00
1:36
2:12
2:50
3:31
4:15
Moonset
8:00
9:06
10:06
11:00
11:51
12:38
1:23
2:08
2:54
3:41
4:30
5:21
Sunrise
6:00
6:01
6:01
6:01
6:01
6:01
6:01
6:03
6:03
6:03
6:03
6:05
Sunset
6:43
6:44
6:44
6:45
6:45
6:45
6:46
6:46
6:47
6:47
6:49
6:49
Today's sea temperature in Round Island is
30.2° C
(Statistics for 07 Dec 1981-2005 – mean: 29.4 max: 30.1 min: 28.0°C)
Issued (local time): 9 am Sunday 07 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest