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 07:45 AM and sunset is at 07:30 PM.

Days 1–3 Weather Summary

Mostly dry. Cool air temperatures (max 18°C on Fri afternoon, min 12°C on Fri morning). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Tue afternoon. Cool air temperatures (max 18°C on Mon afternoon, min 13°C on Wed morning). Winds increasing (light winds from the ESE on Mon afternoon, fresh winds from the SSW by Tue afternoon).

Days 7–9 Weather Summary

Mostly dry. Very mild (max 19°C on Sat afternoon, min 13°C on Thu morning). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 4mm), mostly falling on Wed morning. Very mild (max 18°C on Sun afternoon, min 13°C on Tue night). Winds increasing (calm on Sun morning, fresh winds from the WNW by Wed morning).

Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
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
3:38PM1.03m
2:38AM0.76m
4:08PM1.03m
2:36AM0.74m
4:43PM0.99m
2:21AM0.73m
5:26PM0.93m
6:37PM0.84m
00:25AM0.88m
00:49AM0.91m
2:31PM0.49m
1:11AM0.90m
1:20PM0.59m
1:28AM0.87m
1:20PM0.72m
1:39AM0.82m
1:37PM0.86m
1:43AM0.77m
1:59PM0.98m
1:43AM0.74m
Low Tide
8:47AM0.17m
9:47PM0.47m
9:01AM0.14m
10:15PM0.55m
9:16AM0.12m
10:44PM0.64m
9:32AM0.12m
11:09PM0.73m
9:46AM0.15m
10:20PM0.81m
9:54AM0.21m
9:45AM0.28m
9:11AM0.37m
5:27PM0.46m
8:27AM0.43m
6:38PM0.40m
7:55AM0.45m
7:21PM0.36m
7:36AM0.42m
7:55PM0.36m
7:30AM0.36m
8:25PM0.40m
Wave
height (m) 
direction
period (s) 
1.8
SW
13
1.8
SW
12
1.8
SSW
15
1.9
SW
15
2.2
SSW
17
2.3
SW
15
2
SW
14
1.8
SW
13
1.7
SSW
15
1.6
SW
14
1.6
SW
14
1.6
SW
13
2
SW
12
2.5
WSW
12
2.5
SW
13
3.5
SSW
14
3.5
SSW
14
3
SW
13
2.5
SW
13
3
SSW
14
2.5
SSW
14
2.4
SSW
13
2.3
SSW
13
2.4
SSW
13
2.3
SSW
14
2.2
SSW
14
2
SW
14
1.8
SW
13
1.6
SW
13
1.7
SW
14
1.7
SW
13
1.6
SW
13
1.9
SSW
15
2.5
SSW
15
2.5
SW
14
2.1
SW
14
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
cloud
part cloud
light rain
rain showers
part cloud
clear
some clouds
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
some clouds
some clouds
light rain
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
light rain
rain shwrs
some clouds
 km/h
5
ENE
15
S
10
E
15
ESE
20
SE
15
ESE
15
ESE
20
SE
15
ESE
15
ESE
10
NE
10
W
25
SSW
30
SW
20
S
20
SSE
20
SSE
20
SE
20
SE
20
SE
20
SE
20
SE
20
SE
10
ENE
10
ENE
10
S
5
ENE
5
SSW
15
SSW
10
S
15
SE
15
SE
15
SE
5
SW
15
SW
15
WNW
 mm 
2.0
1.0
1.0
max°C
14
18
15
16
17
15
15
17
15
16
18
18
16
16
15
13
13
14
13
14
13
14
15
16
15
19
16
17
18
15
16
16
16
17
17
15
Moonrise
9:16
9:52
10:37
11:32
12:36
1:48
3:04
4:20
4:37
5:53
7:09
Moonset
11:21
12:26
1:31
2:33
3:29
4:17
4:58
5:32
6:02
5:30
5:56
6:24
Sunrise
7:45
7:46
7:47
7:48
7:48
7:50
7:50
7:50
7:52
6:52
7:54
7:54
Sunset
7:30
7:28
7:27
7:24
7:23
7:22
7:21
7:19
7:17
6:15
7:15
7:13
Today's sea temperature in Portland is 17.4 °C (Statistics for 29 Mar 1981-2005 – mean: 16.3 max: 17.4 min: 15.1°C)
Nearest