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 08:00 AM and sunset is at 05:09 PM.

Days 1–3 Weather Summary

Mostly dry. Cool air temperatures (max 15°C on Sun afternoon, min 6°C on Fri morning). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 14°C on Mon afternoon, min 6°C on Wed night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Very mild (max 11°C on Thu afternoon, min 5°C on Thu night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Very mild (max 14°C on Mon afternoon, min 8°C on Sun morning). Wind will be generally light.

Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tuesday
6
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
6:37AM3.11m
7:13PM2.88m
7:32AM3.03m
8:14PM2.86m
8:35AM2.95m
9:22PM2.88m
9:46AM2.92m
10:33PM2.97m
10:59AM2.94m
11:41PM3.10m
12:08PM3.02m
00:43AM3.25m
1:12PM3.12m
1:39AM3.41m
2:08PM3.23m
2:30AM3.53m
2:59PM3.30m
3:18AM3.60m
3:46PM3.32m
4:03AM3.60m
4:32PM3.29m
4:46AM3.53m
5:15PM3.20m
5:28AM3.40m
Low Tide
12:56PM0.93m
1:12AM1.11m
1:53PM0.98m
2:18AM1.17m
2:59PM1.01m
3:33AM1.18m
4:10PM0.99m
4:49AM1.10m
5:18PM0.92m
5:58AM0.96m
6:20PM0.82m
7:00AM0.80m
7:17PM0.73m
7:54AM0.64m
8:09PM0.64m
8:45AM0.52m
8:57PM0.59m
9:32AM0.46m
9:43PM0.60m
10:17AM0.48m
10:26PM0.67m
11:00AM0.56m
11:09PM0.78m
Wave
height (m) 
direction
period (s) 
0.9
WNW
11
1
WNW
11
0.9
WNW
11
0.8
W
15
1
W
14
1.1
W
13
1
WNW
12
0.9
WNW
11
0.7
WNW
14
0.7
W
14
0.7
W
13
0.8
W
12
1
W
16
1.1
W
15
1.1
WNW
14
1
W
13
0.9
WNW
13
1.1
WNW
12
0.9
W
15
0.9
WNW
14
1
W
13
1
W
12
1
W
13
1
WNW
12
1.1
WNW
12
1.1
WNW
11
1.1
WNW
15
1.5
WNW
14
1.6
WNW
14
1.5
WNW
13
1.1
WNW
13
1
WNW
12
1
WNW
12
0.9
WNW
12
1
WNW
11
1.4
NW
12
clear
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
some clouds
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
 km/h
15
SE
15
SSE
15
E
15
ENE
10
E
10
ENE
10
ENE
5
NNE
10
ENE
10
ESE
5
S
10
ESE
10
ESE
5
SSW
5
E
5
ENE
10
NNW
10
NE
10
ENE
5
N
10
ENE
10
ENE
5
NNW
10
ENE
15
NNE
20
N
10
NE
10
NE
15
N
10
NE
5
ENE
10
NNW
5
E
5
E
5
WSW
5
ENE
 mm 
max°C
9
10
7
11
13
9
13
15
12
12
14
11
13
13
11
12
13
9
9
11
7
8
9
7
9
11
11
10
12
10
12
14
13
12
12
11
Moonrise
11:46
12:07
12:29
12:55
1:26
2:05
2:56
4:01
5:16
6:36
7:53
9:07
Moonset
11:50
1:00
2:14
3:31
4:51
6:11
7:24
8:25
9:12
9:48
10:17
Sunrise
8:00
8:00
8:00
8:00
8:02
8:02
8:02
8:02
8:02
8:02
8:02
8:02
Sunset
5:09
5:10
5:12
5:12
5:13
5:14
5:15
5:15
5:16
5:17
5:19
5:20
Today's sea temperature in Viana do Castelo is
14.1° C
(Statistics for 26 Dec 1981-2005 – mean: 14.7 max: 15.7 min: 13.7°C)
Issued (local time): 5 am Friday 26 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest