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 06:00 AM and sunset is at 06:52 PM.

Days 1–3 Weather Summary

Moderate rain (total 12mm), heaviest on Fri afternoon. Very warm air temperatures (max 31°C on Sat morning, min 27°C on Fri morning). Wind will be generally light.

Days 4–6 Weather Summary

Moderate rain (total 18mm), heaviest on Wed afternoon. Very warm air temperatures (max 31°C on Mon morning, min 27°C on Mon night). Wind will be generally light.

Days 7–9 Weather Summary

Heavy rain (total 42mm), heaviest during Fri night. Warm (max 30°C on Thu morning, min 25°C on Fri night). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 51mm), heaviest during Sun night. Warm (max 29°C on Sun morning, min 26°C on Sun night). Wind will be generally light.

Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tuesday
6
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
2:42PM1.69m
4:47AM1.50m
4:21PM1.74m
5:33AM1.85m
5:17PM1.83m
6:13AM2.19m
6:02PM1.91m
6:51AM2.49m
6:42PM1.96m
7:28AM2.72m
7:20PM1.98m
8:05AM2.85m
7:56PM1.94m
8:42AM2.89m
8:33PM1.87m
9:20AM2.81m
9:09PM1.76m
9:59AM2.65m
9:48PM1.63m
10:39AM2.42m
10:30PM1.47m
11:22AM2.15m
11:23PM1.32m
Low Tide
7:45AM1.03m
9:57PM0.76m
9:59AM1.01m
10:44PM0.59m
11:13AM0.89m
11:24PM0.41m
12:10PM0.75m
00:02AM0.24m
12:58PM0.63m
00:39AM0.10m
1:43PM0.54m
1:16AM-0.01m
2:25PM0.50m
1:51AM-0.06m
3:08PM0.50m
2:28AM-0.04m
3:51PM0.54m
3:06AM0.06m
4:38PM0.61m
3:44AM0.22m
5:32PM0.69m
4:27AM0.45m
6:38PM0.77m
5:20AM0.72m
Wave
height (m) 
direction
period (s) 
0.1
E
7
0.2
E
7
0.2
E
6
0.3
N
2
0.6
NNE
4
0.4
NNW
3
0.5
NNW
3
0.7
NNE
4
0.5
N
3
0.5
N
3
0.7
NNE
4
0.4
NW
3
0.5
E
10
0.5
E
9
0.4
ESE
9
0.3
E
9
0.5
E
9
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
0.3
ESE
8
0.2
E
14
0.2
E
14
0.3
E
13
0.2
E
12
0.2
E
12
0.3
E
12
0.3
E
11
0.4
ESE
6
0.5
E
7
0.5
E
8
0.5
E
8
0.4
ESE
8
0.6
E
8
0.6
E
8
0.4
ESE
7
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
part cloud
clear
thunderstorm
part cloud
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
mod rain
thunderstorm
some clouds
risk tstorm
risk tstorm
some clouds
risk tstorm
some clouds
clear
risk tstorm
some clouds
risk tstorm
risk tstorm
some clouds
some clouds
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
clear
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
rain shwrs
mod rain
risk tstorm
 km/h
10
WNW
10
N
10
WNW
20
NNW
25
NNW
20
NW
25
NW
25
N
20
NW
20
NW
25
NNW
15
WNW
15
NW
20
N
10
W
15
NW
20
NNW
10
NW
10
NW
15
N
5
NNW
5
N
10
ENE
10
ESE
10
ESE
10
ESE
5
SE
10
ESE
15
ESE
0
ESE
5
SE
15
ESE
10
SSE
20
ESE
20
ESE
10
ESE
 mm 
5
4
2
1
2
2
2
3
1
5
3
2
3
2
7
14
3
1
10
2
4
14
6
2
10
1
6
6
max°C
30
29
28
31
30
28
31
31
29
31
31
28
31
30
28
30
29
27
30
29
27
30
29
26
28
28
27
29
28
27
28
27
27
28
27
27
Moonrise
10:58
11:48
12:40
1:34
2:33
3:36
4:43
5:51
6:56
7:56
8:47
9:33
Moonset
11:28
12:07
12:47
1:31
2:21
3:16
4:19
5:26
6:33
7:38
8:38
Sunrise
6:00
6:00
6:01
6:01
6:01
6:03
6:03
6:03
6:03
6:05
6:05
6:05
Sunset
6:52
6:52
6:52
6:52
6:53
6:53
6:54
6:54
6:54
6:55
6:55
6:55
Today's sea temperature in Portland Roads is
29.6° C
(Statistics for 26 Dec 1981-2005 – mean: 28.9 max: 29.9 min: 27.3°C)
Issued (local time): 3 am Friday 26 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest