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 — and sunset is at 08:45 PM.

Days 1–4 Weather Summary

Light rain (total 5mm), mostly falling on Sat morning. Warm air temperatures (max 27°C on Fri morning, min 12°C on Sun morning). Winds increasing (light winds from the ENE on Thu night, fresh winds from the SE by Sat night).

Days 5–7 Weather Summary

Some drizzle, heaviest during Mon morning. Warm air temperatures (max 23°C on Wed morning, min 14°C on Sun night). Winds decreasing (fresh winds from the SE on Sun night, calm by Wed morning).

Days 8–10 Weather Summary

Light rain (total 2mm), mostly falling on Thu night. Warm (max 20°C on Wed night, min 12°C on Fri night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Warm (max 31°C on Mon afternoon, min 10°C on Sun night). Winds increasing (light winds from the SSW on Sun morning, fresh winds from the W by Tue afternoon).

Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sunday
17
Monday
18
Tue
19
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
5:10AM0.68m
00:54AM0.73m
00:51AM0.84m
10:08AM0.54m
1:09AM0.95m
11:08AM0.51m
1:35AM1.04m
11:38AM0.48m
2:04AM1.11m
11:57AM0.46m
2:35AM1.15m
12:07PM0.46m
3:07AM1.15m
12:17PM0.48m
3:39AM1.12m
12:39PM0.51m
4:09AM1.06m
1:20PM0.54m
4:36AM0.97m
2:10PM0.57m
4:57AM0.88m
3:09PM0.58m
Low Tide
4:20PM0.41m
4:43PM0.36m
8:50AM0.54m
5:07PM0.31m
9:05AM0.50m
5:31PM0.25m
9:36AM0.47m
5:58PM0.19m
10:11AM0.45m
6:26PM0.13m
10:49AM0.46m
6:57PM0.08m
11:24AM0.48m
7:29PM0.06m
11:42AM0.51m
8:02PM0.06m
11:45AM0.53m
8:36PM0.11m
11:43AM0.54m
9:10PM0.18m
11:44AM0.53m
Wave
height (m) 
direction
period (s) 
1.9
SW
12
2
SW
12
1.9
SW
12
1.9
SW
12
2.1
SW
11
2.2
SW
11
2.5
SSW
16
2.5
SW
15
2.5
SW
14
2.5
SW
14
2.5
SE
7
2.4
SE
7
3
SSW
20
4
SSW
17
4
SSW
16
3
SSW
15
2.3
SW
14
2
SW
13
1.7
SW
13
1.8
SW
12
1.9
SW
13
1.8
SW
13
1.9
SW
12
1.9
SW
12
1.8
SW
10
1.7
SSW
9
2.1
SSW
9
2.3
SW
10
2.3
SW
11
2.1
SW
11
2.1
SW
11
1.9
SW
11
1.8
SW
13
2
SW
12
2.5
SSW
17
3
SSW
16
part cloud
part cloud
cloud
cloud
light rain
light rain
light rain
light rain
cloud
cloud
light rain
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
some clouds
some clouds
cloudy
cloudy
light rain
light rain
light rain
light rain
cloudy
cloudy
light rain
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
rain shwrs
rain shwrs
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
some clouds
some clouds
clear
some clouds
 km/h
10
ENE
25
N
25
S
15
SW
20
SSE
20
SE
30
SE
30
SSE
30
SSE
30
ESE
35
ESE
30
ESE
30
ESE
20
ESE
30
SE
20
SSE
10
NW
15
SSW
15
NW
25
W
25
W
10
SW
15
S
15
SSW
10
W
25
W
25
WSW
15
SSW
10
S
15
S
15
ENE
15
N
20
NNW
20
WNW
25
W
25
W
 mm 
1.0
1.0
1.0
2.0
1.0
1.0
1.0
max°C
17
27
25
15
14
14
13
12
14
14
15
16
15
19
19
18
23
23
20
18
18
15
14
15
14
15
16
14
15
15
14
24
31
24
17
18
Moonrise
2:41
3:02
3:24
3:49
4:18
4:54
5:40
6:36
7:42
8:56
10:12
11:27
12:39
Moonset
2:56
3:56
4:58
6:03
7:12
8:22
9:31
10:33
11:25
12:08
12:43
1:13
Sunrise
6:03
6:03
6:03
6:03
6:03
6:03
6:03
6:03
6:03
6:03
6:03
6:05
Sunset
8:45
8:46
8:47
8:49
8:50
8:50
8:51
8:52
8:52
8:52
8:53
8:54
8:54
Today's sea temperature in Portland is 16.7 °C (Statistics for 07 Dec 1981-2005 – mean: 15.3 max: 17.5 min: 14.3°C)
Nearest