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 05:21 PM.

Days 1–4 Weather Summary

Some drizzle, heaviest during Mon afternoon. Warm air temperatures (max 23°C on Mon morning, min 11°C on Tue night). Wind will be generally light.

Days 5–7 Weather Summary

Moderate rain (total 19mm), heaviest on Thu night. Warm air temperatures (max 21°C on Thu morning, min 11°C on Fri night). Winds increasing (light winds from the WNW on Wed afternoon, strong winds from the WNW by Thu night).

Days 8–10 Weather Summary

Some drizzle, heaviest during Sat afternoon. Very mild (max 19°C on Tue morning, min 11°C on Mon night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 4mm), mostly falling on Wed morning. Warm (max 20°C on Tue afternoon, min 13°C on Tue night). Winds increasing (calm on Tue afternoon, fresh winds from the W by Wed afternoon).

Sun
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
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
2:13PM1.09m
1:11AM0.82m
2:40PM1.08m
1:20AM0.80m
3:08PM1.05m
1:24AM0.78m
3:38PM1.01m
1:20AM0.76m
4:11PM0.94m
00:55AM0.75m
4:58PM0.87m
9:55PM0.81m
10:49PM0.84m
1:45PM0.55m
11:19PM0.85m
12:06PM0.64m
11:44PM0.84m
12:07PM0.76m
00:05AM0.81m
12:25PM0.89m
00:20AM0.76m
12:49PM1.00m
00:29AM0.72m
1:16PM1.09m
00:32AM0.68m
1:45PM1.15m
00:28AM0.68m
Low Tide
8:20PM0.52m
7:36AM0.15m
8:44PM0.57m
7:54AM0.15m
9:10PM0.62m
8:11AM0.16m
9:36PM0.67m
8:26AM0.19m
10:08PM0.72m
8:38AM0.24m
8:42AM0.29m
8:21AM0.36m
7:25AM0.42m
3:43PM0.55m
6:36AM0.44m
5:17PM0.48m
6:15AM0.43m
6:04PM0.43m
6:09AM0.40m
6:44PM0.41m
6:10AM0.35m
7:20PM0.42m
7:55PM0.46m
8:26PM0.53m
Wave
height (m) 
direction
period (s) 
1.7
SSW
12
1.7
SSW
12
1.6
SW
14
1.6
SW
13
1.7
SW
12
2
SW
12
2.1
SW
14
2.4
SW
13
2.2
SW
13
2
SW
14
2
SW
14
2.2
SW
13
2.3
SW
13
4
WSW
10
4.5
WSW
12
4.5
WSW
12
4
WSW
12
3.5
WSW
12
3.5
WSW
12
4
SW
13
4
SSW
13
3.5
SSW
13
3
SSW
12
2.5
SSW
12
2.3
SSW
11
2.1
S
11
1.8
S
11
1.8
SW
14
1.6
SW
13
2
SW
12
2.5
SW
12
4.5
SW
14
4
SW
13
3.5
SW
12
2.5
SW
12
2.3
SW
11
2.2
SSW
18
2
SSW
17
1.9
SW
16
1.9
SW
15
1.7
SW
14
1.3
SW
14
1.2
SW
14
1.3
SW
13
2.3
SW
16
3.5
WSW
12
3
WSW
11
cloud
cloud
part cloud
light rain
part cloud
cloud
part cloud
part cloud
part cloud
clear
part cloud
rain showers
cloud
rain showers
rain showers
light rain
rain showers
rain showers
thunderstorm
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
rain showers
rain showers
rain showers
part cloud
clear
part cloud
part cloud
clear
part cloud
cloud
clear
clear
part cloud
part cloud
rain showers
part cloud
clear
part cloud
cloudy
cloudy
some clouds
light rain
some clouds
cloudy
some clouds
some clouds
some clouds
clear
some clouds
rain shwrs
cloudy
rain shwrs
rain shwrs
light rain
rain shwrs
rain shwrs
risk tstorm
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
rain shwrs
rain shwrs
rain shwrs
some clouds
clear
some clouds
some clouds
clear
some clouds
cloudy
clear
clear
some clouds
some clouds
rain shwrs
some clouds
clear
some clouds
 km/h
10
SSE
15
NW
15
N
10
W
20
WSW
15
SW
15
SSW
0
NE
10
NNW
10
WSW
15
NNW
15
NNW
25
WNW
45
WNW
30
W
35
WNW
25
W
25
WSW
25
WSW
15
WSW
20
SW
20
SW
10
S
10
SE
10
SE
15
ENE
15
N
5
NNW
10
N
25
NW
30
WNW
30
WSW
25
SW
20
SW
10
SW
10
SSW
10
S
5
SE
5
ENE
15
ESE
10
ENE
15
NNE
10
N
30
N
30
WSW
20
WSW
15
WNW
 mm 
1
2
4
2
3
7
1
1
2
1
1
5
max°C
20
17
23
22
18
14
14
12
15
16
16
21
20
18
14
15
11
13
12
13
13
13
13
14
14
14
19
20
16
16
15
14
15
15
14
13
13
12
14
14
12
20
22
20
15
16
14
Moonrise
7:36
8:12
8:55
9:45
10:42
11:43
12:47
1:53
2:59
4:06
5:16
6:28
7:44
9:03
10:21
Moonset
10:52
11:52
12:47
1:36
2:18
2:54
3:24
3:52
4:17
4:41
5:06
5:34
6:07
6:47
7:36
Sunrise
6:50
6:52
6:52
6:54
6:54
6:56
6:56
6:56
6:58
6:58
7:00
7:01
7:01
7:03
7:03
Sunset
5:21
6:20
6:17
6:16
6:15
6:14
6:12
6:10
6:09
6:07
6:07
6:05
6:04
6:02
6:00
6:00
Today's sea temperature in Portland is
16.9° C
(Statistics for 05 Apr 1981-2005 – mean: 16.1 max: 17.2 min: 15.0°C)
Issued (local time): 3 pm Sunday 05 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest