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 07:09 AM and sunset is at 05:52 PM.

Days 1–3 Weather Summary

Mostly dry. Cool air temperatures (max 14°C on Thu morning, min 11°C on Fri night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 3mm), mostly falling on Sun night. Warm air temperatures (max 20°C on Sun afternoon, min 12°C on Mon afternoon). Mainly fresh winds.

Days 7–9 Weather Summary

Light rain (total 2mm), mostly falling on Fri night. Very mild (max 14°C on Wed morning, min 12°C on Fri night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 6mm), mostly falling on Sat morning. Very mild (max 15°C on Sat morning, min 11°C on Mon night). Winds increasing (calm on Sun night, fresh winds from the SSW by Mon night).

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
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
1:30PM1.12m
00:35AM0.75m
1:56PM1.16m
00:42AM0.72m
2:26PM1.17m
00:44AM0.71m
2:59PM1.15m
00:37AM0.71m
3:36PM1.09m
00:06AM0.72m
4:20PM1.01m
5:22PM0.91m
9:44PM0.84m
10:47PM0.83m
12:19PM0.64m
11:14PM0.79m
11:46AM0.78m
11:26PM0.74m
11:59AM0.93m
11:29PM0.70m
Low Tide
7:58PM0.51m
8:29PM0.55m
9:03PM0.60m
7:18AM0.15m
9:42PM0.66m
7:39AM0.15m
10:35PM0.72m
7:59AM0.17m
8:18AM0.23m
8:26AM0.33m
8:01AM0.44m
6:44AM0.52m
4:48PM0.59m
5:42AM0.54m
5:54PM0.55m
5:16AM0.50m
6:37PM0.53m
5:11AM0.42m
Wave
height (m) 
direction
period (s) 
3
SW
12
3
SW
12
3.5
SSW
15
3.5
SSW
14
3
SSW
14
3
SSW
14
2.3
SSW
13
2.2
SSW
13
2.2
SSW
14
2.1
SW
14
2.2
SW
14
3
SW
14
3.5
SW
12
3.5
SW
12
3.5
SW
12
3.5
SW
13
3.5
SW
14
3
SW
13
3
SW
13
3
SW
13
2.5
SSW
13
2.5
SSW
13
2.5
SSW
14
2.5
SSW
14
2.4
SSW
15
2.2
SSW
14
1.8
SSW
14
1.6
SW
13
1.5
SW
13
1.4
SSW
19
1.3
SSW
18
1.3
SSW
17
1.3
SSW
16
1.4
SW
15
1.8
SW
15
3
SW
8
part cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
cloud
rain showers
cloud
cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
cloud
part cloud
clear
rain showers
rain showers
part cloud
clear
clear
clear
part cloud
part cloud
light rain
rain showers
some clouds
cloudy
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
rain shwrs
cloudy
rain shwrs
cloudy
cloudy
some clouds
some clouds
clear
clear
some clouds
clear
clear
cloudy
some clouds
clear
rain shwrs
rain shwrs
some clouds
clear
clear
clear
some clouds
some clouds
light rain
rain shwrs
 km/h
20
SSW
20
SW
15
SSW
10
SSW
10
SW
5
SSW
10
NNW
10
SSW
10
NNE
20
NNW
15
NW
25
W
20
SW
20
SSW
20
S
20
SE
20
SSE
25
SE
25
ESE
30
SE
25
ESE
20
SE
25
SE
20
SE
10
ESE
15
SSE
10
E
10
E
15
SE
10
E
5
ENE
10
SSE
5
W
20
W
20
W
30
SSW
 mm 
2.0
1.0
2.0
4
1.0
1.0
max°C
14
13
13
12
12
12
13
13
12
19
20
17
13
12
12
13
14
14
14
14
14
14
14
13
14
13
13
15
15
14
15
15
14
15
15
11
Moonrise
6:18
6:53
7:35
8:27
9:28
10:36
11:49
1:03
2:17
3:30
4:44
Moonset
8:12
9:18
10:23
11:27
12:25
1:15
1:57
2:32
3:02
3:29
3:55
4:22
Sunrise
7:09
7:09
7:11
7:11
7:13
7:13
7:15
7:16
7:16
7:18
7:18
7:20
Sunset
5:52
5:51
5:50
5:47
5:46
5:45
5:45
5:44
5:43
5:40
5:39
5:38
Today's sea temperature in Portland is 16.4 °C (Statistics for 25 Apr 1981-2005 – mean: 15.6 max: 17.0 min: 14.2°C)
Nearest