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 04:58 AM and sunset is at 08:21 PM.

Days 1–3 Weather Summary

Moderate rain (total 12mm), heaviest on Wed afternoon. Warm air temperatures (max 29°C on Tue afternoon, min 15°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

Some drizzle, heaviest during Sat morning. Warm air temperatures (max 27°C on Sun afternoon, min 13°C on Fri night). Wind will be generally light.

Days 7–9 Weather Summary

Heavy rain (total 26mm), heaviest during Tue morning. Warm (max 22°C on Mon afternoon, min 13°C on Mon night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 2mm), mostly falling on Fri morning. Warm (max 25°C on Thu afternoon, min 13°C on Fri morning). Wind will be generally light.

Days 13–16 Weather Summary

Moderate rain (total 10mm), heaviest on Mon afternoon. Very mild (max 19°C on Tue morning, min 14°C on Sun night). Wind will be generally light.

Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wed
24
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
PM
Wave Height Map
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High Tide
5:58AM2.68m
6:31PM2.83m
6:56AM2.67m
7:23PM2.97m
7:57AM2.70m
8:18PM3.12m
8:57AM2.76m
9:12PM3.28m
9:56AM2.83m
10:08PM3.41m
10:54AM2.90m
11:03PM3.51m
11:50AM2.96m
11:58PM3.56m
12:46PM2.99m
00:54AM3.54m
1:42PM3.00m
1:51AM3.46m
2:38PM2.99m
2:49AM3.33m
3:35PM2.97m
3:48AM3.15m
4:32PM2.94m
4:48AM2.97m
5:29PM2.92m
5:50AM2.80m
6:26PM2.89m
6:53AM2.65m
7:21PM2.87m
Low Tide
12:10PM0.27m
00:47AM0.30m
1:04PM0.25m
1:47AM0.16m
1:59PM0.22m
2:46AM-0.02m
2:55PM0.17m
3:44AM-0.19m
3:51PM0.10m
4:40AM-0.33m
4:46PM0.04m
5:35AM-0.43m
5:42PM-0.01m
6:30AM-0.47m
6:38PM-0.02m
7:25AM-0.45m
7:35PM0.00m
8:20AM-0.37m
8:33PM0.05m
9:15AM-0.26m
9:33PM0.12m
10:11AM-0.12m
10:35PM0.20m
11:07AM0.03m
11:39PM0.25m
12:03PM0.18m
00:42AM0.28m
12:59PM0.32m
Wave
Height (m)
Direction
Period (s)
0.5
SE
7
0.6
SE
7
0.9
SSE
6
0.6
S
6
0.6
S
5
0.9
SSE
6
0.6
S
5
0.6
SSE
6
0.5
SSE
7
0.5
SSE
8
0.4
SSE
8
0.5
SSE
7
0.6
SE
8
0.6
SE
8
0.5
SE
8
0.6
SE
8
0.5
SE
8
0.4
SSE
7
0.5
SSE
6
1
S
4
0.5
SSE
4
1.6
SE
6
1.2
SE
6
1.1
SE
7
0.9
SSE
7
0.9
SSE
8
1
SSE
5
0.7
SE
6
0.7
SE
6
0.4
SSE
6
0.5
SSE
7
0.5
SSE
7
0.4
SE
6
0.4
SE
6
0.4
SSE
7
0.4
SSE
7
0.5
NE
4
0.4
SE
12
0.3
SE
12
0.4
S
2
0.6
S
4
0.4
S
4
0.4
S
4
0.4
SE
6
0.4
S
4
0.6
S
4
1
SSE
5
clear
clear
part cloud
part cloud
light rain
rain showers
part cloud
thunderstorm
part cloud
part cloud
part cloud
cloud
light rain
clear
clear
clear
clear
clear
clear
clear
light rain
heavy rain
light rain
rain showers
part cloud
part cloud
part cloud
clear
part cloud
part cloud
light rain
part cloud
clear
part cloud
part cloud
clear
part cloud
cloud
cloud
part cloud
rain showers
rain showers
clear
part cloud
light rain
rain showers
light rain
clear
clear
some clouds
some clouds
light rain
rain shwrs
some clouds
risk tstorm
some clouds
some clouds
some clouds
cloudy
light rain
clear
clear
clear
clear
clear
clear
clear
light rain
heavy rain
light rain
rain shwrs
some clouds
some clouds
some clouds
clear
some clouds
some clouds
light rain
some clouds
clear
some clouds
some clouds
clear
some clouds
cloudy
cloudy
some clouds
rain shwrs
rain shwrs
clear
some clouds
light rain
rain shwrs
light rain
km/h
5
W
5
SSW
5
W
5
S
5
ESE
5
SW
5
NE
10
ESE
0
ESE
10
ESE
10
SE
5
S
5
SSE
15
S
10
WNW
20
WNW
20
WNW
10
NW
15
SSW
20
S
5
S
10
ESE
10
N
5
NNE
10
S
15
SSE
5
WSW
20
W
20
W
10
W
10
SW
15
S
10
NNW
10
NW
20
NW
10
N
15
NE
10
SSE
5
SSW
10
S
10
S
5
NNW
10
ESE
15
SSE
5
S
15
S
10
ESE
4
5
3
1
3
20
1
2
2
4
1
3
1
1
max °C
26
29
26
25
25
18
23
24
17
16
17
15
17
23
21
23
27
21
20
22
19
14
17
16
20
19
17
22
25
20
14
18
16
23
24
20
18
17
15
18
18
16
19
19
17
18
17
Moonrise
1:16
1:36
1:59
2:28
3:04
3:53
4:56
6:12
7:34
8:55
10:12
11:25
12:34
1:41
2:47
3:53
Moonset
2:00
3:14
4:32
5:54
7:17
8:34
9:37
10:26
11:03
11:31
11:54
12:14
12:33
12:52
1:13
Sunrise
4:58
4:58
4:58
4:58
4:58
4:58
4:58
4:58
4:58
4:58
4:58
4:58
4:58
4:58
4:58
5:00
Sunset
8:21
8:21
8:22
8:22
8:22
8:22
8:23
8:23
8:23
8:24
8:24
8:24
8:25
8:25
8:25
8:25
Today's sea temperature in Portland is
13.5° C
(Statistics for 09 Jun 1981-2005 – mean: 12.1 max: 14.5 min: 10.7°C)
Issued (local time): 7 am Tuesday 09 Jun 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest