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 05:56 AM and sunset is at 06:35 PM.

Days 1–3 Weather Summary

Heavy rain (total 39mm), heaviest during Wed morning. Warm air temperatures (max 29°C on Thu afternoon, min 26°C on Wed morning). Winds decreasing (fresh winds from the WNW on Wed morning, calm by Fri afternoon).

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 29°C on Sat afternoon, min 26°C on Sat night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 29°C on Thu afternoon, min 27°C on Tue morning). Wind will be generally light.

Days 10–12 Weather Summary

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

Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
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
2:22PM2.57m
2:19PM2.59m
11:55AM2.68m
11:42AM2.80m
11:55AM2.87m
12:13PM2.87m
12:26PM2.80m
5:53PM2.76m
12:23PM2.70m
6:47PM2.75m
12:04PM2.61m
7:37PM2.69m
11:45AM2.57m
8:25PM2.58m
11:39AM2.61m
9:15PM2.42m
11:44AM2.70m
10:08PM2.22m
Low Tide
00:09AM1.08m
00:51AM0.82m
1:25AM0.60m
1:56AM0.45m
2:23AM0.35m
2:48AM0.32m
3:34PM2.72m
3:10AM0.35m
3:29PM2.61m
3:31AM0.42m
3:46PM2.44m
3:52AM0.53m
4:17PM2.24m
4:13AM0.67m
4:58PM2.02m
4:34AM0.85m
5:47PM1.80m
4:55AM1.05m
Wave
height (m) 
direction
period (s) 
0.6
WNW
4
0.6
W
4
0.2
W
3
0.1
W
3
0.2
WNW
2
0.3
SSW
2
0.1
S
3
0.1
SW
3
0.4
SE
3
0.4
SE
3
0.3
ESE
3
0.2
ESE
3
0.1
SE
2
0.2
ESE
2
0.3
ESE
3
0.1
SE
2
0.2
E
2
0.2
E
2
0.1
E
2
0.1
E
1
0
W
4
0.1
E
1
0
W
3
0.1
S
1
0
W
2
0.1
N
2
0.1
SW
2
0.1
W
2
0.2
W
2
0.3
SW
3
0.1
W
3
0.3
W
2
0.2
WSW
3
0.1
W
3
0.1
NW
2
0.1
W
2
thunderstorm
thunderstorm
light rain
thunderstorm
clear
thunderstorm
thunderstorm
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
risk tstorm
risk tstorm
light rain
risk tstorm
clear
risk tstorm
risk tstorm
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
clear
clear
 km/h
35
WNW
30
W
10
WNW
10
WNW
15
WNW
20
SSE
10
E
0
SSE
15
ESE
20
SE
15
E
10
E
15
SE
15
E
15
ESE
15
SE
15
ENE
15
E
10
ESE
10
N
5
ENE
10
ESE
5
NNE
15
SSW
5
E
15
NNW
15
SW
15
W
20
WSW
20
SSW
10
WNW
20
WSW
15
W
5
WNW
15
WNW
5
WSW
 mm 
13
2
5
2
16
1
max°C
28
27
27
28
29
28
27
28
28
28
29
27
27
28
28
28
28
28
28
28
28
28
28
28
28
29
29
29
29
29
29
29
29
29
29
29
Moonrise
4:51
5:32
6:18
7:06
7:57
8:50
9:44
10:36
11:27
12:18
1:08
1:59
Moonset
5:45
6:34
7:26
8:18
9:10
10:00
10:47
11:32
12:14
12:54
1:34
Sunrise
5:56
5:56
5:56
5:56
5:56
5:58
5:58
5:58
5:58
5:58
5:58
5:58
Sunset
6:35
6:35
6:35
6:36
6:36
6:37
6:37
6:37
6:37
6:38
6:38
6:39
Today's sea temperature in Round Island is
29.0° C
(Statistics for 19 Nov 1981-2005 – mean: 28.8 max: 30.2 min: 27.6°C)
Issued (local time): 9 am Wednesday 19 Nov 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest