Porto Sea Conditions and Tide Table

Porto 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 —.

Days 1–4 Weather Summary

Moderate rain (total 13mm), heaviest on Fri night. Cool air temperatures (max 18°C on Mon afternoon, min 14°C on Sun night). Wind will be generally light.

Days 5–7 Weather Summary

Moderate rain (total 12mm), heaviest on Tue afternoon. Cool air temperatures (max 16°C on Mon night, min 9°C on Thu morning). Winds decreasing (strong winds from the S on Tue morning, calm by Wed morning).

Days 8–10 Weather Summary

Light rain (total 9mm), mostly falling on Fri morning. Very mild (max 16°C on Sun afternoon, min 8°C on Sat morning). Mainly fresh winds.

Days 11–13 Weather Summary

Mostly dry. Very mild (max 18°C on Mon afternoon, min 13°C on Sun night). Wind will be generally light.

Saturday
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wed
17
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
High Tide
3:12AM3.21m
3:43PM2.97m
4:01AM3.19m
4:33PM2.84m
4:51AM3.10m
5:25PM2.67m
5:43AM2.95m
6:19PM2.49m
6:38AM2.77m
7:17PM2.32m
7:37AM2.58m
8:19PM2.21m
8:40AM2.43m
9:25PM2.17m
9:45AM2.33m
10:29PM2.20m
10:48AM2.29m
11:25PM2.28m
11:43AM2.31m
00:12AM2.39m
12:32PM2.36m
00:54AM2.50m
1:14PM2.43m
Low Tide
8:57PM0.09m
9:29AM-0.06m
9:44PM0.15m
10:20AM0.01m
10:31PM0.26m
11:12AM0.15m
11:21PM0.41m
12:06PM0.33m
00:13AM0.57m
1:03PM0.51m
1:10AM0.73m
2:05PM0.66m
2:15AM0.86m
3:09PM0.77m
3:25AM0.93m
4:12PM0.81m
4:34AM0.93m
5:07PM0.80m
5:33AM0.86m
5:56PM0.76m
6:23AM0.77m
6:38PM0.70m
7:06AM0.66m
Wave
height (m) 
direction
period (s) 
3
WNW
15
4
WNW
16
4
WNW
16
3
WNW
15
2.5
WNW
14
2.5
WNW
14
3
WNW
13
3
WNW
21
4
WNW
19
4
WNW
17
4
WNW
16
4
WNW
15
3
WNW
14
2.5
WNW
13
2.3
WNW
13
2.4
WNW
13
1.9
WNW
13
1.6
WNW
12
2.1
WNW
19
3
WNW
16
3
WNW
15
3
WNW
14
3.5
WNW
16
3.5
WNW
16
3
WNW
14
2.2
WNW
13
1.8
WNW
12
1.5
WNW
12
2
WNW
15
2.4
WNW
14
2.3
WNW
15
2.2
WNW
17
2.2
WNW
16
2
WNW
15
1.9
WNW
14
1.9
WNW
13
rain showers
light rain
light rain
cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
light rain
mod rain
rain showers
clear
clear
clear
clear
part cloud
cloud
light rain
light rain
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
part cloud
cloud
rain shwrs
light rain
light rain
cloudy
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
light rain
mod rain
rain shwrs
clear
clear
clear
clear
some clouds
cloudy
light rain
light rain
some clouds
some clouds
cloudy
some clouds
clear
clear
clear
clear
clear
clear
clear
cloudy
some clouds
some clouds
cloudy
 km/h
25
SW
20
SSW
20
SSW
20
S
20
S
20
S
20
S
25
SSE
25
S
30
S
35
SSE
30
S
10
NW
5
NNE
10
NNE
10
E
10
ESE
10
SSW
20
SSE
20
WNW
10
NE
10
NNE
10
NNE
15
N
15
NNE
15
ENE
15
ENE
10
ENE
15
E
10
ENE
10
E
10
E
0
WSW
5
E
10
E
5
SSE
 mm 
7
4
2
3
6
3
5
4
max°C
16
15
15
15
16
17
15
16
18
16
16
15
14
13
14
12
13
15
12
11
10
10
11
12
11
13
16
14
15
18
15
16
17
14
15
16
Moonrise
6:30
7:47
9:04
10:17
11:26
12:31
1:34
2:36
3:38
4:40
5:43
Moonset
9:44
10:38
11:19
11:51
12:16
12:38
12:58
1:17
1:37
2:00
2:25
2:56
Sunrise
7:45
7:46
7:47
7:47
7:48
7:48
7:50
7:50
7:50
7:52
7:52
7:52
Sunset
5:05
5:05
5:05
5:05
5:05
5:05
5:05
5:06
5:06
5:06
5:06
5:07
Today's sea temperature in Porto is
15.7° C
(Statistics for 05 Dec 1981-2005 – mean: 15.4 max: 16.6 min: 14.3°C)
Issued (local time): 11 pm Friday 05 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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