Portland Roads Sea Conditions and Tide Table

Portland Roads 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 06:19 PM.

Days 1–4 Weather Summary

Heavy rain (total 48mm), heaviest during Sat night. Warm air temperatures (max 28°C on Sun morning, min 26°C on Sun night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 3mm), mostly falling on Fri morning. Warm air temperatures (max 28°C on Wed morning, min 25°C on Tue night). Wind will be generally light.

Days 8–10 Weather Summary

Some drizzle, heaviest during Fri afternoon. Warm (max 28°C on Sat morning, min 26°C on Fri night). Mainly fresh winds.

Days 11–13 Weather Summary

Heavy rain (total 86mm), heaviest during Thu afternoon. Warm (max 27°C on Mon afternoon, min 25°C on Thu afternoon). Winds decreasing (strong winds from the SE on Mon night, light winds from the E by Thu afternoon).

Sat
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thu
1
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
Wave Height Map
High Tide
4:39AM2.16m
5:08PM1.25m
5:18AM2.33m
5:47PM1.51m
5:53AM2.48m
6:22PM1.79m
6:28AM2.59m
6:57PM2.05m
7:01AM2.64m
7:33PM2.28m
7:35AM2.62m
8:10PM2.46m
8:09AM2.53m
8:49PM2.56m
8:43AM2.38m
9:30PM2.60m
9:16AM2.18m
10:14PM2.56m
9:51AM1.94m
11:03PM2.46m
10:27AM1.69m
00:04AM2.34m
11:08AM1.44m
Low Tide
7:30PM0.96m
12:10PM1.07m
9:42PM0.95m
12:07PM0.92m
10:49PM0.86m
12:27PM0.75m
11:44PM0.76m
12:53PM0.59m
00:31AM0.67m
1:21PM0.44m
1:17AM0.61m
1:52PM0.31m
2:02AM0.60m
2:23PM0.22m
2:47AM0.64m
2:56PM0.17m
3:35AM0.74m
3:31PM0.18m
4:30AM0.87m
4:08PM0.25m
5:40AM1.02m
4:50PM0.38m
7:19AM1.12m
Wave
height (m) 
direction
period (s) 
0.6
ENE
3
0.6
ENE
4
0.6
E
14
0.6
E
14
0.8
ESE
6
0.9
ESE
6
0.8
E
6
0.8
E
6
0.8
E
6
0.8
ESE
6
0.7
E
6
0.5
E
6
0.5
E
6
0.6
E
4
0.6
E
5
0.6
E
6
0.6
E
3
0.6
E
4
0.7
ESE
4
0.7
ESE
5
0.7
ESE
6
0.7
ESE
6
0.9
ESE
6
1
E
7
1.1
E
7
1.3
E
7
1.3
E
8
1.3
E
8
1.4
E
8
1.4
E
9
1.3
E
8
1.2
E
9
1.3
E
10
1.4
E
10
1.3
E
10
1.1
E
9
thunderstorm
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
thunderstorm
thunderstorm
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
mod rain
thunderstorm
mod rain
risk tstorm
risk tstorm
risk tstorm
rain shwrs
risk tstorm
risk tstorm
risk tstorm
risk tstorm
some clouds
clear
some clouds
clear
clear
some clouds
some clouds
clear
some clouds
risk tstorm
risk tstorm
clear
clear
clear
some clouds
clear
some clouds
some clouds
some clouds
some clouds
risk tstorm
risk tstorm
mod rain
risk tstorm
risk tstorm
mod rain
risk tstorm
mod rain
 km/h
20
NE
20
ENE
15
ENE
20
E
20
ESE
25
ESE
20
ESE
25
ESE
25
ESE
25
SE
20
ESE
15
ESE
15
SE
20
SE
20
ESE
20
ESE
20
ESE
20
ESE
25
SE
25
ESE
25
ESE
25
SE
25
ESE
30
SE
30
SE
35
SE
35
SE
35
SE
40
SE
35
SE
35
SE
30
SE
30
ESE
35
SE
30
SE
25
SE
 mm 
5
11
1
2
13
8
5
3
3
1
9
7
9
12
6
6
15
10
max°C
27
27
28
28
26
27
27
27
27
27
26
28
27
26
28
28
27
27
27
27
28
28
26
27
27
26
27
27
26
26
26
26
26
26
26
26
Moonrise
11:01
11:57
12:54
1:50
2:46
3:41
4:38
5:37
6:38
7:44
8:51
9:58
Moonset
11:30
12:22
1:12
1:58
2:43
3:25
4:08
4:52
5:38
6:29
7:25
8:26
9:30
Sunrise
6:31
6:31
6:31
6:31
6:31
6:31
6:31
6:33
6:33
6:33
6:33
6:33
Sunset
6:19
6:17
6:17
6:16
6:15
6:15
6:15
6:15
6:15
6:14
6:14
6:13
Today's sea temperature in Portland Roads is 29.0 °C (Statistics for 19 Apr 1981-2005 – mean: 27.9 max: 29.1 min: 26.6°C)
Issued (local time): 3 pm Saturday 19 Apr 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest