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 05:08 PM.

Days 1–3 Weather Summary

Mostly dry. Cool air temperatures (max 13°C on Wed afternoon, min 4°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 14°C on Sun afternoon, min 6°C on Sat morning). Wind will be generally light.

Days 7–9 Weather Summary

Some drizzle, heaviest during Thu night. Very mild (max 13°C on Tue afternoon, min 6°C on Wed night). Winds increasing (calm on Wed morning, strong winds from the N by Thu night).

Days 10–12 Weather Summary

Mostly dry. Very mild (max 11°C on Sun afternoon, min 4°C on Fri night). Winds decreasing (fresh winds from the N on Fri afternoon, light winds from the NE by Sat night).

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
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
5:33PM2.95m
5:49AM3.19m
6:19PM2.91m
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
Low Tide
11:21AM0.84m
11:29PM0.96m
12:05PM0.88m
00:16AM1.03m
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
Wave
height (m) 
direction
period (s) 
2.1
NW
11
1.9
NW
11
1.8
NW
14
1.4
NW
13
1.5
NW
12
0.9
WNW
12
0.7
NW
11
0.8
WNW
11
0.9
WNW
11
1.3
W
15
1.4
WNW
12
1.2
W
13
0.9
WNW
12
0.8
WNW
11
0.7
WNW
14
0.6
W
13
0.7
W
13
0.7
W
12
0.8
WNW
17
1
W
16
1.1
W
14
1
W
13
0.9
WNW
13
1.6
NW
8
1.4
N
5
1.6
NNW
5
1.9
NNW
8
3
NNW
10
3
NNW
8
1.6
NNW
10
1
NNW
10
0.9
NNW
10
0.9
WNW
13
0.9
WNW
13
1.1
WNW
12
1.3
NW
9
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
rain showers
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
some clouds
some clouds
clear
some clouds
clear
clear
some clouds
some clouds
clear
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
rain shwrs
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
clear
 km/h
10
NE
10
N
10
NE
10
NE
20
NNE
10
NE
15
ESE
15
SE
20
E
20
E
10
ENE
10
ENE
10
ENE
5
NNE
5
E
10
E
5
SW
10
E
10
ENE
10
N
5
ENE
5
ENE
15
N
20
NNE
20
NNE
25
N
20
NNW
35
N
35
N
15
NNE
10
NNE
15
NNW
5
NE
10
NNW
20
N
10
NE
 mm 
1
max°C
11
13
9
9
11
6
9
10
6
10
12
9
13
14
11
12
13
10
12
13
10
11
12
7
10
10
10
8
9
5
7
9
7
10
11
8
Moonrise
11:01
11:25
11:46
12:07
12:29
12:55
1:26
2:05
2:56
4:01
5:16
6:36
Moonset
9:34
10:42
11:50
1:00
2:14
3:31
4:51
6:11
7:24
8:25
9:12
Sunrise
8:00
8:00
8:00
8:00
8:00
8:00
8:02
8:02
8:02
8:02
8:02
8:02
Sunset
5:08
5:09
5:09
5:10
5:12
5:12
5:13
5:14
5:15
5:15
5:16
5:17
Today's sea temperature in Viana do Castelo is
14.7° C
(Statistics for 24 Dec 1981-2005 – mean: 14.8 max: 15.7 min: 14.1°C)
Issued (local time): 11 am Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest