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 06:48 AM and sunset is at 06:39 PM.

Days 1–3 Weather Summary

Light rain (total 5mm), mostly falling on Sat morning. Cool air temperatures (max 18°C on Mon afternoon, min 9°C on Sat night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 21°C on Thu morning, min 13°C on Tue night). Wind will be generally light.

Days 7–9 Weather Summary

Some drizzle, heaviest during Sun morning. Warm (max 20°C on Fri morning, min 8°C on Sun night). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 28mm), heaviest during Tue night. Very mild (max 14°C on Wed afternoon, min 6°C on Wed night). Winds increasing (calm on Mon night, strong winds from the NNW by Wed night).

Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sun
29
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
High Tide
12:00PM2.48m
00:17AM2.77m
12:49PM2.71m
1:02AM3.01m
1:28PM2.96m
1:41AM3.25m
2:04PM3.20m
2:18AM3.46m
2:39PM3.40m
2:54AM3.60m
3:15PM3.55m
3:30AM3.66m
3:52PM3.61m
4:09AM3.63m
4:31PM3.59m
4:49AM3.51m
5:12PM3.47m
5:33AM3.30m
5:58PM3.28m
6:24AM3.03m
6:52PM3.04m
7:28AM2.75m
8:04PM2.82m
8:57AM2.56m
9:40PM2.72m
10:43AM2.57m
11:13PM2.80m
12:03PM2.74m
Low Tide
5:57PM1.42m
6:37AM1.19m
6:46PM1.18m
7:17AM0.94m
7:26PM0.92m
7:52AM0.71m
8:03PM0.69m
8:27AM0.51m
8:40PM0.50m
9:02AM0.37m
9:17PM0.39m
9:38AM0.31m
9:56PM0.37m
10:16AM0.35m
10:36PM0.44m
10:55AM0.48m
11:19PM0.60m
11:38AM0.69m
00:08AM0.83m
12:28PM0.97m
1:09AM1.09m
1:33PM1.24m
2:33AM1.29m
3:07PM1.42m
4:20AM1.31m
4:52PM1.40m
5:45AM1.15m
6:06PM1.23m
Wave
height (m) 
direction
period (s) 
3
NW
14
3
NW
14
3
NW
13
2.4
NW
13
2.4
NW
12
2.2
NW
12
2.1
NW
21
3
NW
18
3
WNW
16
2.3
NW
14
2.1
NW
14
2.2
NW
14
3
WNW
14
3.5
WNW
16
2.5
WNW
15
2.3
NW
14
2.1
NW
14
1.9
NW
13
1.6
NW
13
1.6
NW
12
1.4
W
11
1.4
W
10
1.5
WSW
11
1.4
WSW
11
1.4
WSW
10
1.4
WSW
10
1.7
WNW
12
1.3
WNW
12
1.3
WNW
11
1.4
WNW
11
1.3
WNW
10
1.4
WNW
10
2.2
SW
6
3
NW
7
3.5
NW
9
3.5
NNW
10
4
NW
12
4
NW
13
3.5
NW
13
2.5
NW
12
2.4
NW
9
2
N
6
1.6
W
14
1.7
W
13
1.9
NNW
6
1.8
NW
8
1.3
WNW
13
light rain
light rain
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
cloud
part cloud
part cloud
rain showers
rain showers
light rain
light rain
rain showers
rain showers
part cloud
rain showers
clear
cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
light rain
light rain
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
light rain
cloudy
some clouds
some clouds
rain shwrs
rain shwrs
light rain
light rain
rain shwrs
rain shwrs
some clouds
rain shwrs
clear
cloudy
some clouds
some clouds
clear
clear
some clouds
some clouds
clear
clear
clear
 km/h
10
W
25
NW
20
N
20
N
30
NNW
15
NNE
5
ENE
5
WNW
10
ESE
10
ESE
5
SW
10
ESE
5
SE
0
SSE
10
E
10
ESE
5
NNW
10
E
10
E
5
NNW
5
NNE
10
SSE
10
SW
5
N
15
S
15
NW
20
N
5
NNW
15
WNW
5
NNW
15
S
15
SW
35
NNW
35
N
40
NNW
35
N
40
N
45
N
35
N
35
NNE
35
NNE
20
NE
20
NE
30
NNE
25
NNE
20
NE
10
N
 mm 
4
1
1
1
1
3
2
18
2
1
max°C
12
13
12
14
16
13
17
18
14
19
20
14
19
20
16
21
21
18
20
17
15
17
17
14
14
12
10
12
13
10
12
12
12
13
14
8
9
9
9
11
13
7
13
16
9
14
17
Moonrise
4:34
5:06
5:34
5:58
6:20
6:42
7:05
7:31
8:02
8:41
9:29
10:29
11:39
12:53
2:08
4:20
Moonset
1:42
2:51
4:01
5:11
6:23
7:36
8:51
10:09
11:28
12:46
1:55
2:54
3:40
4:16
5:44
Sunrise
6:48
6:47
6:45
6:43
6:41
6:39
6:37
6:37
6:35
6:33
6:31
6:30
6:28
6:26
6:24
7:22
Sunset
6:39
6:40
6:42
6:44
6:45
6:45
6:46
6:47
6:49
6:50
6:51
6:52
6:53
6:54
6:55
7:57
Today's sea temperature in Viana do Castelo is
13.6° C
(Statistics for 14 Mar 1981-2005 – mean: 14.0 max: 15.5 min: 12.8°C)
Issued (local time): 11 am Saturday 14 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest