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 05:07 PM.

Days 1–4 Weather Summary

Mostly dry. Icy conditions (max 1°C on Fri afternoon, min -8°C on Sat night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Icy conditions (max 2°C on Thu morning, min -2°C on Mon night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Freeze-thaw conditions (max 2°C on Thu afternoon, min -12°C on Thu night). Wind will be generally light.

Days 11–13 Weather Summary

A moderate fall of snow, heaviest on Sun night. Freeze-thaw conditions (max 1°C on Wed afternoon, min -6°C on Tue night). Wind will be generally light.

Fri
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
High Tide
8:43PM2.30m
8:47AM2.73m
9:27PM2.41m
9:31AM2.84m
10:06PM2.53m
10:10AM2.94m
10:42PM2.66m
10:48AM3.03m
11:17PM2.79m
11:26AM3.08m
11:52PM2.91m
12:06PM3.08m
00:29AM3.01m
12:48PM3.05m
1:09AM3.08m
1:33PM2.96m
1:53AM3.10m
2:23PM2.83m
2:42AM3.07m
3:18PM2.69m
3:38AM3.01m
4:22PM2.54m
4:41AM2.94m
5:34PM2.45m
5:53AM2.91m
6:50PM2.46m
7:07AM2.94m
Low Tide
2:32PM0.31m
2:30AM0.52m
3:17PM0.21m
3:15AM0.40m
3:56PM0.10m
3:56AM0.27m
4:31PM-0.01m
4:35AM0.14m
5:05PM-0.09m
5:13AM0.03m
5:40PM-0.16m
5:53AM-0.07m
6:17PM-0.18m
6:36AM-0.14m
6:56PM-0.16m
7:21AM-0.17m
7:39PM-0.09m
8:11AM-0.15m
8:26PM0.01m
9:05AM-0.08m
9:19PM0.14m
10:08AM0.01m
10:20PM0.27m
11:17AM0.08m
11:29PM0.35m
12:32PM0.08m
00:43AM0.34m
1:42PM0.01m
Wave
height (m) 
direction
period (s) 
0.2
SSE
9
0.4
SE
10
0.3
SE
9
0.3
SE
8
0.4
SW
4
0.5
N
4
0.2
ESE
8
0.1
SE
9
0.2
ESE
8
0.3
ESE
9
0.4
ESE
5
1
SE
10
1.2
SE
10
1.1
ESE
10
1
ESE
10
0.8
ESE
11
0.6
E
11
0.4
ESE
10
0.3
ESE
10
1
N
4
0.6
N
4
0.5
N
3
0.6
NE
4
0.5
NE
3
0.3
ENE
4
0.3
E
3
0.5
SE
3
0.8
ESE
4
1.2
E
5
2
E
7
1.9
ESE
9
1.6
SE
9
1.3
SE
9
1.2
SE
9
0.9
SSW
5
0.8
SW
5
0.7
SSW
5
0.5
S
4
1.5
NNE
5
1.4
NNE
5
1
S
10
0.6
S
9
0.3
SSE
8
0.3
SSE
8
0.3
SSE
7
0.4
S
3
0.5
SE
4
part cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
mod snow
light snow
cloud
cloud
part cloud
clear
part cloud
cloud
cloud
heavy snow
light snow
clear
clear
clear
part cloud
cloud
cloud
light snow
part cloud
some clouds
some clouds
clear
clear
clear
clear
some clouds
cloudy
clear
clear
some clouds
cloudy
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
clear
clear
clear
clear
cloudy
cloudy
cloudy
cloudy
cloudy
mod snow
light snow
cloudy
cloudy
some clouds
clear
some clouds
cloudy
cloudy
heavy snow
light snow
clear
clear
clear
some clouds
cloudy
cloudy
light snow
some clouds
 km/h
5
WNW
5
WNW
5
NW
0
W
10
NNW
15
NW
5
NW
5
ENE
10
NE
5
ENE
0
N
10
SSW
5
SSW
5
NW
20
NNW
5
NNW
5
NE
5
NNW
10
W
25
NNW
15
NW
15
NNW
10
NNW
10
NE
5
ESE
5
E
15
SE
15
ESE
20
ENE
25
NNE
20
NNW
25
W
25
W
25
W
20
WSW
15
WSW
15
SW
10
NNE
25
N
30
NNW
20
NNW
10
NNW
10
S
5
WSW
5
SW
5
S
10
NNW
 mm 
max°C
1
-3
-1
1
-2
-2
-1
-1
-1
0
-1
1
1
1
1
1
0
2
2
-7
-4
-3
-5
-1
0
1
2
0
-1
-1
0
-1
-1
-1
-5
0
1
0
-3
-8
-16
-13
-11
-7
-4
-3
-3
Moonrise
5:22
5:55
6:22
6:46
7:07
7:27
7:47
8:08
8:34
9:06
9:47
10:40
11:45
12:59
2:17
Moonset
2:02
3:12
4:23
5:35
6:47
8:00
9:14
10:30
11:49
1:08
2:22
3:27
4:19
4:59
Sunrise
6:39
6:39
6:37
6:35
6:35
6:33
6:31
6:30
6:28
6:26
6:24
6:24
6:22
6:20
6:18
Sunset
5:07
5:08
5:10
5:12
5:13
5:15
5:15
5:16
5:19
5:20
5:21
5:22
5:23
5:24
5:27
5:28
Today's sea temperature in Portland is
2.2° C
(Statistics for 13 Feb 1981-2005 – mean: 3.1 max: 4.2 min: 1.9°C)
Issued (local time): 6 pm Friday 13 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest