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 07:11 AM and sunset is at 05:47 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Sun night. Warm air temperatures (max 20°C on Sun afternoon, min 12°C on Mon afternoon). Wind will be generally light.

Days 4–6 Weather Summary

Some drizzle, heaviest during Fri morning. Cool air temperatures (max 14°C on Wed morning, min 12°C on Thu morning). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Very mild (max 14°C on Sat morning, min 12°C on Sun night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Very mild (max 15°C on Tue morning, min 13°C on Thu afternoon). Wind will be generally light.

Sunday
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
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
2:59PM1.15m
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
12:21PM1.05m
11:27PM0.69m
12:48PM1.15m
11:27PM0.69m
1:16PM1.22m
11:33PM0.72m
Low Tide
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
7:11PM0.55m
7:40PM0.59m
8:05PM0.63m
Wave
height (m) 
direction
period (s) 
2.1
SW
14
2.1
SW
13
2.5
SW
14
3
SW
13
3
SW
12
3
SW
12
3
SW
13
3
SW
13
3
SW
13
2.5
SW
13
2.5
SW
13
2.5
SSW
12
2.5
SSW
12
2.5
SSW
16
2.5
SSW
14
2.3
SSW
14
2.1
SSW
14
1.9
SW
14
1.8
SW
13
1.7
SSW
21
1.7
SSW
19
1.8
SSW
18
2.1
SSW
17
2.2
SW
16
2.2
SW
15
2.3
SSW
18
2.4
SSW
15
2.3
SW
14
2.1
SW
14
2.3
SW
14
2.5
SSW
16
2.5
SSW
15
2.4
SW
14
2.5
SSW
15
2.5
SW
15
2.4
SW
14
clear
cloud
light rain
cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
rain showers
part cloud
cloud
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
cloudy
light rain
cloudy
cloudy
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
cloudy
cloudy
some clouds
rain shwrs
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
 km/h
20
NNW
15
WNW
25
WNW
20
SSW
15
S
20
SSE
20
SE
20
SSE
20
SE
20
SE
20
SE
20
ESE
20
SE
20
SE
15
SE
15
ESE
25
SE
15
SSE
25
SSE
20
SSE
20
SSE
20
SE
20
SE
15
ESE
15
E
20
SE
15
ESE
25
SE
25
SE
20
SE
20
SE
20
SE
15
ESE
20
ESE
20
SE
15
SE
 mm 
1.0
1.0
max°C
19
20
17
13
13
12
13
13
13
14
14
14
13
13
14
14
13
13
14
13
13
14
14
14
14
14
14
15
15
14
15
15
14
14
14
13
Moonrise
8:27
9:28
10:36
11:49
1:03
2:17
3:30
4:44
5:59
7:15
8:32
Moonset
11:27
12:25
1:15
1:57
2:32
3:02
3:29
3:55
4:22
4:51
5:25
6:04
Sunrise
7:11
7:13
7:13
7:15
7:16
7:16
7:18
7:18
7:20
7:20
7:20
7:22
Sunset
5:47
5:46
5:45
5:45
5:44
5:43
5:40
5:39
5:38
5:37
5:37
5:36
Today's sea temperature in Portland is 16.4 °C (Statistics for 28 Apr 1981-2005 – mean: 15.5 max: 16.3 min: 14.0°C)
Nearest