Viana do Castelo Sea Conditions and Tide Table

Viana do Castelo 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

Heavy rain (total 27mm), heaviest during Fri night. Cool air temperatures (max 17°C on Mon afternoon, min 14°C on Sun night). Mainly fresh winds.

Days 5–7 Weather Summary

Heavy rain (total 25mm), heaviest during 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, light winds from the N by Wed morning).

Days 8–10 Weather Summary

Light rain (total 5mm), mostly falling on Fri morning. Very mild (max 16°C on Sun afternoon, min 9°C on Fri night). Mainly fresh winds.

Days 11–13 Weather Summary

Mostly dry. Very mild (max 18°C on Mon afternoon, min 13°C on Tue 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
3:24AM3.65m
3:51PM3.35m
4:11AM3.57m
4:41PM3.22m
5:00AM3.43m
5:32PM3.06m
5:50AM3.26m
6:27PM2.89m
6:43AM3.07m
7:26PM2.74m
7:41AM2.89m
8:30PM2.63m
8:44AM2.76m
9:37PM2.60m
9:50AM2.69m
10:41PM2.63m
10:52AM2.67m
11:36PM2.70m
11:47AM2.70m
00:21AM2.80m
12:34PM2.75m
1:00AM2.91m
1:16PM2.81m
Low Tide
9:03PM0.48m
9:37AM0.44m
9:50PM0.58m
10:26AM0.53m
10:37PM0.73m
11:16AM0.67m
11:26PM0.92m
12:08PM0.85m
00:19AM1.12m
1:06PM1.02m
1:18AM1.30m
2:09PM1.16m
2:26AM1.42m
3:16PM1.24m
3:39AM1.47m
4:20PM1.26m
4:46AM1.44m
5:15PM1.23m
5:42AM1.36m
6:01PM1.19m
6:28AM1.26m
6:40PM1.13m
7:08AM1.15m
Wave
height (m) 
direction
period (s) 
4
NW
13
4.5
WNW
15
4.5
WNW
15
3.5
WNW
15
3.5
WNW
14
3.5
WNW
13
3.5
W
12
3.5
WNW
20
5
WNW
18
5
WNW
17
5
WNW
16
5
WNW
15
3.5
WNW
14
3
WNW
13
2.5
WNW
13
2.5
WNW
13
2.1
WNW
13
1.8
WNW
12
3
WNW
18
4
WNW
15
3.5
WNW
15
3.5
WNW
14
4
WNW
15
4
WNW
15
3
WNW
14
2.4
NW
13
2
NW
12
1.7
NW
12
2.5
WNW
14
2.5
WNW
14
2.5
WNW
14
2.5
WNW
16
2.4
WNW
15
2.3
WNW
15
2.2
WNW
14
2.1
WNW
13
heavy rain
light rain
mod rain
light rain
part cloud
part cloud
part cloud
cloud
cloud
part cloud
mod rain
heavy rain
rain showers
clear
clear
clear
clear
part cloud
cloud
light rain
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
heavy rain
light rain
mod rain
light rain
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
mod rain
heavy rain
rain shwrs
clear
clear
clear
clear
some clouds
cloudy
light rain
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
 km/h
25
SW
20
SW
25
SSW
25
S
20
SSE
25
SSE
25
SSE
30
SSE
35
S
40
SSE
45
SSE
25
S
10
NW
5
NE
10
NNE
10
ESE
15
ESE
15
S
20
SE
15
NNW
5
NE
10
NNE
15
N
25
N
15
NNE
10
NE
5
NNE
10
ENE
10
NE
5
E
5
E
10
E
0
W
10
E
10
ESE
10
S
 mm 
11
3
10
3
9
13
3
5
max°C
16
16
16
16
16
16
15
16
17
16
16
14
14
13
14
11
12
13
12
11
11
10
11
12
10
14
16
15
16
18
15
16
17
15
15
15
Moonrise
6:29
7:46
9:04
10:17
11:26
12:32
1:35
2:37
3:40
4:43
5:46
Moonset
9:47
10:41
11:21
11:52
12:17
12:39
12:59
1:17
1:37
1:59
2:24
2:55
Sunrise
7:47
7:48
7:48
7:50
7:50
7:52
7:52
7:52
7:54
7:54
7:54
7:56
Sunset
5:04
5:04
5:04
5:04
5:04
5:04
5:05
5:05
5:05
5:05
5:05
5:06
Today's sea temperature in Viana do Castelo is
15.7° C
(Statistics for 05 Dec 1981-2005 – mean: 15.3 max: 16.4 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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