Portland Sea Conditions and Tide Table

Portland 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 08:08 AM and sunset is at 04:07 PM.

Days 1–3 Weather Summary

Mostly dry. Cool air temperatures (max 12°C on Tue morning, min 6°C on Sun morning). Winds decreasing (near gales from the NW on Sun afternoon, calm by Tue night).

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 12°C on Wed morning, min 7°C on Fri night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 4mm), mostly falling on Mon night. Very mild (max 10°C on Mon afternoon, min 6°C on Sat morning). Winds increasing (calm on Sun morning, near gales from the SW by Mon night).

Days 10–12 Weather Summary

Heavy rain (total 47mm), heaviest during Wed night. Mild temperatures (max 8°C on Wed night, min 2°C on Thu night). Winds increasing (calm on Wed morning, strong winds from the ENE by Thu afternoon).

Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
1
Thursday
2
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
10:53AM1.68m
11:32PM1.38m
11:33AM1.54m
00:45AM1.32m
12:32PM1.42m
2:25AM1.32m
8:56AM0.98m
1:37PM1.36m
9:25PM0.78m
9:20AM0.93m
2:38PM1.31m
9:58PM0.76m
9:44AM0.86m
5:28PM1.38m
10:44PM0.71m
6:07PM1.49m
6:22AM1.74m
6:36PM1.61m
6:47AM1.87m
12:49PM0.61m
7:04PM1.72m
7:14AM2.00m
1:32PM0.56m
7:35PM1.82m
7:44AM2.11m
2:06PM0.50m
8:08PM1.90m
8:19AM2.18m
2:42PM0.44m
8:46PM1.94m
Low Tide
4:47PM0.59m
4:48AM0.77m
5:30PM0.66m
5:39AM0.85m
6:28PM0.72m
6:50AM0.92m
7:37PM0.74m
8:08AM0.91m
8:36PM0.73m
9:19AM0.86m
9:27PM0.69m
12:21PM0.72m
10:16PM0.64m
1:09PM0.65m
10:56PM0.58m
11:35AM0.58m
2:13PM0.57m
11:31PM0.52m
12:05PM0.50m
00:05AM0.49m
12:41PM0.43m
00:43AM0.48m
1:23PM0.39m
1:25AM0.48m
Wave
height (m) 
direction
period (s) 
2.5
WSW
7
2.5
W
6
1.8
WNW
5
0.9
WNW
4
0.7
W
4
0.8
WSW
5
0.6
WSW
6
0.4
WSW
6
0.4
SW
20
0.4
SW
17
0.3
SW
15
0.3
SW
14
0.3
SW
14
0.3
SW
13
0.2
WSW
12
0.2
WSW
12
0.3
WSW
11
0.4
WSW
10
0.4
SW
7
0.4
SW
7
0.2
WSW
7
0.2
WSW
8
0.1
SW
8
0.1
SW
17
0.1
SW
15
0.9
SSW
4
2.2
SW
7
1.8
WSW
7
1.7
WSW
6
1.5
WSW
6
0.7
SW
6
0.5
SW
6
1.6
SE
6
2.4
SW
10
2.4
SW
11
2.5
SW
11
part cloud
clear
clear
part cloud
cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
part cloud
clear
clear
part cloud
cloud
part cloud
clear
part cloud
part cloud
rain showers
part cloud
part cloud
part cloud
cloud
light rain
heavy rain
light rain
mod rain
mod rain
some clouds
clear
clear
some clouds
cloudy
some clouds
cloudy
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
clear
clear
some clouds
clear
clear
some clouds
cloudy
some clouds
clear
some clouds
some clouds
rain shwrs
some clouds
some clouds
some clouds
cloudy
light rain
heavy rain
light rain
mod rain
mod rain
 km/h
55
WNW
60
NW
50
NW
25
NW
20
WNW
20
W
10
WNW
10
WNW
10
WNW
5
SSW
10
SSW
10
S
5
SE
0
SW
5
N
15
ENE
10
ENE
15
E
15
ENE
10
E
10
NE
5
NNE
5
NNE
5
ENE
15
S
35
SW
45
W
40
WNW
40
W
30
WNW
15
WNW
15
SE
30
ESE
30
E
45
ENE
40
ENE
 mm 
4
2.0
24
4
8
9
max°C
6
7
6
7
8
11
12
12
12
12
12
12
12
12
12
10
9
8
7
7
7
7
7
7
8
10
10
7
7
6
6
5
8
4
4
3
Moonrise
12:16
1:24
2:34
3:46
5:00
6:14
7:25
8:27
9:15
9:51
10:16
Moonset
11:59
12:10
12:21
12:33
12:48
1:09
1:37
2:17
3:12
4:23
5:44
7:09
Sunrise
8:08
8:08
8:08
8:10
8:10
8:10
8:10
8:10
8:10
8:10
8:10
8:10
Sunset
4:07
4:08
4:08
4:09
4:10
4:10
4:12
4:13
4:14
4:14
4:15
4:16
Today's sea temperature in Portland is 10.8 °C (Statistics for 22 Dec 1981-2005 – mean: 11.0 max: 12.0 min: 10.2°C)
Issued (local time): 5 am Sunday 22 Dec 2024
Forecast update inUpdates in  hr  min  sUpdate imminent
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