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 07:01 AM and sunset is at 07:00 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Sun morning. Cool air temperatures (max 18°C on Sun afternoon, min 12°C on Sun night). Winds increasing (calm on Sat night, fresh winds from the SSW by Sun afternoon).

Days 4–6 Weather Summary

Moderate rain (total 15mm), heaviest on Tue night. Warm air temperatures (max 20°C on Tue afternoon, min 15°C on Mon night). Winds increasing (light winds from the E on Mon night, strong winds from the S by Tue night).

Days 7–9 Weather Summary

Mostly dry. Very mild (max 16°C on Thu night, min 14°C on Fri night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Very mild (max 17°C on Mon morning, min 14°C on Sun night). Mainly fresh winds.

Days 13–16 Weather Summary

Mostly dry. Very mild (max 18°C on Sat afternoon, min 12°C on Sat morning). Winds decreasing (fresh winds from the ESE on Thu morning, calm by Sun morning).

Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tuesday
6
Wednesday
7
Thursday
8
Friday
9
Saturday
10
Sun
11
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
AM
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
7:55AM1.99m
7:59PM2.12m
8:18AM2.14m
8:26PM2.24m
8:46AM2.24m
8:58PM2.30m
9:18AM2.27m
9:34PM2.27m
9:53AM2.24m
10:11PM2.17m
10:31AM2.14m
10:51PM1.99m
11:10AM1.97m
11:35PM1.75m
11:56AM1.76m
8:02PM0.87m
8:20AM1.07m
8:18PM0.91m
8:42AM1.11m
2:51PM1.46m
8:34PM0.92m
9:05AM1.11m
4:40PM1.54m
5:47AM1.55m
5:58PM1.73m
6:38AM1.78m
6:47PM1.95m
7:16AM1.97m
7:26PM2.11m
Low Tide
12:57PM0.47m
1:10AM0.27m
1:11PM0.35m
1:29AM0.20m
1:40PM0.27m
1:58AM0.17m
2:14PM0.23m
2:34AM0.20m
2:54PM0.25m
3:15AM0.27m
3:41PM0.31m
3:59AM0.38m
4:28PM0.41m
4:43AM0.52m
5:15PM0.54m
8:51PM0.85m
9:29AM1.04m
6:05PM0.72m
10:14PM0.78m
10:50AM0.96m
7:22PM0.89m
7:44AM1.07m
00:23AM0.44m
12:45PM0.64m
1:07AM0.31m
1:26PM0.52m
1:46AM0.25m
2:05PM0.45m
Wave
Height (m)
Direction
Period (s)
0.2
WSW
13
0.2
WSW
12
0.2
WSW
11
0.6
SSE
4
0.9
SSW
4
1
SW
6
0.6
WSW
6
0.5
SW
7
0.4
WSW
7
0.9
ESE
5
1.2
SSE
5
1.3
S
5
2.1
SW
10
2
SW
11
1.7
SW
10
1.8
SW
6
1.9
SW
7
1.2
SW
9
0.9
SW
9
0.6
SW
9
0.5
SW
8
0.4
SW
8
0.4
SW
7
0.2
WSW
7
0.4
SE
4
0.5
ESE
4
0.5
ESE
4
0.9
ESE
5
0.9
ESE
5
1.2
ESE
6
1
E
5
1.1
ESE
5
1.2
ESE
6
0.9
ESE
5
1.1
ESE
5
1.3
ESE
6
1.3
ESE
6
1.5
ESE
6
1.2
ESE
6
0.9
ESE
5
1
ESE
5
0.9
ESE
5
0.6
ESE
5
0.5
ESE
5
0.5
SW
11
0.5
SW
10
part cloud
part cloud
part cloud
light rain
cloud
cloud
cloud
part cloud
part cloud
part cloud
rain showers
mod rain
rain showers
part cloud
part cloud
rain showers
rain showers
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
light rain
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
rain shwrs
mod rain
rain shwrs
some clouds
some clouds
rain shwrs
rain shwrs
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
km/h
5
NNW
10
SW
10
ESE
20
S
25
SSW
20
NW
15
NE
10
E
20
E
25
SE
35
SSE
35
S
35
SW
35
SW
30
WSW
35
SW
35
SW
20
WSW
15
W
10
WSW
10
N
5
NNE
0
S
10
ENE
20
E
20
E
20
ENE
25
ENE
30
E
30
E
30
E
35
E
30
E
30
E
30
E
30
E
35
ESE
35
ESE
30
E
30
ESE
30
E
20
ENE
20
NE
10
E
15
NE
10
NE
 mm
—
—
—
1
—
—
—
—
—
—
3
7
3
—
—
1
1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
max °C
15
16
16
17
18
16
15
16
16
18
20
19
17
17
16
16
16
16
15
16
16
15
16
16
16
16
16
17
17
17
17
17
16
16
16
15
15
15
16
15
15
15
15
18
17
16
Moonrise
—
6:37
—
—
6:51
—
—
7:09
—
—
7:31
—
—
8:02
—
—
8:46
—
—
—
9:47
—
—
11:03
—
—
—
12:27
—
—
1:53
—
—
3:17
—
—
4:37
—
—
5:56
—
—
7:13
—
—
8:30
Moonset
6:40
—
—
8:00
—
—
9:22
—
—
10:49
—
—
12:15
—
—
1:37
—
—
2:47
—
—
—
3:40
—
—
4:17
—
—
4:43
—
—
5:03
—
—
5:19
—
—
5:32
—
—
5:45
—
—
5:59
—
—
Sunrise
7:01
—
—
7:01
—
—
7:03
—
—
7:05
—
—
7:07
—
—
7:07
—
—
7:09
—
—
7:11
—
—
7:13
—
—
7:15
—
—
7:16
—
—
7:18
—
—
7:18
—
—
7:20
—
—
7:22
—
—
7:24
Sunset
—
7:00
—
—
6:58
—
—
6:54
—
—
6:52
—
—
6:51
—
—
6:49
—
—
6:46
—
—
6:44
—
—
6:42
—
—
6:39
—
—
6:37
—
—
6:36
—
—
6:32
—
—
6:30
—
—
6:29
—
—
Today's sea temperature in Portland is
18.6°C
(Statistics for 26 Sep 1981-2005 – mean: 15.8 max: 16.9 min: 14.8°C)
Issued (local time): 12 am Saturday 26 Sep 2026
Forecast update inUpdates in  hr  min  sUpdate imminent 
Nearest locationNearest