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

Mostly dry. Warm air temperatures (max 26°C on Sat morning, min 25°C on Fri night). Mainly strong winds.

Days 5–7 Weather Summary

Light rain (total 8mm), mostly falling on Thu morning. Warm air temperatures (max 27°C on Tue afternoon, min 25°C on Mon night). Mainly strong winds.

Days 8–10 Weather Summary

Light rain (total 2mm), mostly falling on Sat afternoon. Warm (max 26°C on Thu night, min 25°C on Fri night). Mainly strong winds.

Days 11–13 Weather Summary

Mostly dry. Warm (max 26°C on Mon morning, min 24°C on Wed night). Mainly strong winds.

Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
1
Wed
2
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
11:33PM2.77m
11:08AM1.82m
11:57PM2.90m
12:34PM1.64m
00:26AM3.00m
2:31PM1.54m
00:58AM3.06m
1:34AM3.07m
2:14AM3.03m
3:00AM2.93m
3:56AM2.80m
11:14PM2.54m
10:46PM2.60m
10:56PM2.66m
7:30AM2.30m
11:13PM2.69m
8:39AM2.14m
Low Tide
6:17AM1.23m
4:57PM0.99m
7:09AM0.98m
5:19PM1.20m
8:06AM0.75m
5:34PM1.42m
9:07AM0.56m
10:14AM0.38m
11:21AM0.23m
12:22PM0.11m
1:15PM0.04m
1:35AM2.51m
2:04PM0.03m
3:09AM2.32m
2:47PM0.10m
4:03AM2.08m
3:26PM0.24m
4:49AM1.84m
4:01PM0.44m
Wave
height (m) 
direction
period (s) 
0.9
ESE
4.0
0.9
SE
4.0
0.9
SE
4.0
0.9
SE
4.0
0.8
SE
4.0
0.9
SE
4.0
0.8
SE
4.0
0.8
SE
4.0
0.7
SE
4.0
0.6
SE
4.0
0.6
SE
4.0
0.7
SE
4.0
0.6
SE
4.0
0.6
SE
3.0
0.7
SE
4.0
0.6
SE
4.0
0.6
ESE
4.0
0.8
ESE
4.0
0.8
ESE
4.0
0.8
ESE
4.0
0.9
ESE
4.0
0.9
SE
4.0
0.8
ESE
4.0
0.8
ESE
4.0
0.7
SE
4.0
0.6
SE
4.0
0.6
ESE
4.0
0.6
SE
4.0
0.7
SE
4.0
0.8
ESE
4.0
0.7
SE
4.0
0.6
SE
4.0
0.8
ESE
4.0
0.6
SE
4.0
0.6
SE
4.0
0.8
ESE
4.0
part cloud
part cloud
part cloud
cloud
part cloud
clear
part cloud
clear
clear
rain showers
thunderstorm
clear
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
clear
thunderstorm
part cloud
thunderstorm
clear
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
some clouds
some clouds
some clouds
cloudy
some clouds
clear
some clouds
clear
clear
rain shwrs
risk tstorm
clear
some clouds
risk tstorm
risk tstorm
some clouds
risk tstorm
risk tstorm
some clouds
some clouds
some clouds
some clouds
clear
risk tstorm
some clouds
risk tstorm
clear
some clouds
clear
clear
some clouds
some clouds
clear
some clouds
some clouds
clear
 km/h
45
SE
40
SE
45
SE
45
SE
40
SE
45
SE
35
SE
40
SE
40
ESE
35
SE
35
ESE
35
ESE
35
SE
30
SE
35
ESE
35
SE
35
ESE
45
ESE
40
ESE
45
ESE
45
ESE
45
SE
40
ESE
40
ESE
40
SE
30
SE
30
ESE
35
SE
35
SE
40
SE
35
SE
35
SE
40
ESE
35
SE
30
SE
40
ESE
 mm 
1
2
1
1
2
1
1
1
max°C
25
26
26
25
26
26
26
26
26
26
26
27
26
26
26
25
26
26
26
26
26
25
26
26
25
26
26
25
26
26
25
26
25
25
26
26
Moonrise
1:15
2:09
3:07
4:09
5:15
6:21
7:25
8:24
9:15
10:01
10:42
11:19
11:55
Moonset
1:27
2:13
3:02
3:58
4:59
6:04
7:09
8:11
9:08
10:01
10:49
11:35
Sunrise
6:47
6:47
6:48
6:48
6:48
6:48
6:48
6:48
6:48
6:48
6:48
6:48
Sunset
6:17
6:17
6:17
6:17
6:17
6:19
6:19
6:19
6:19
6:20
6:20
6:20
Today's sea temperature in Round Island is 27.0 °C (Statistics for 20 Jun 1981-2005 – mean: 26.1 max: 27.1 min: 24.9°C)
Issued (local time): 9 pm Friday 20 Jun 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest