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 14°C on Sat afternoon, min 5°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 15°C on Sun afternoon, min 7°C on Tue night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 2mm), mostly falling on Fri night. Very mild (max 12°C on Fri night, min 5°C on Wed night). Winds increasing (calm on Wed morning, fresh winds from the N by Fri morning).

Days 10–12 Weather Summary

Moderate rain (total 11mm), heaviest on Sat morning. Very mild (max 14°C on Sat morning, min 8°C on Mon morning). Mainly fresh winds.

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
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
6:19PM2.91m
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
4:32PM3.29m
4:46AM3.53m
Low Tide
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
10:17AM0.48m
10:26PM0.67m
Wave
height (m) 
direction
period (s) 
1.5
NW
13
1.5
NW
12
0.9
NW
12
0.9
WNW
11
1
WNW
11
0.9
WNW
11
0.9
W
15
1.2
W
14
1.2
W
13
1
WNW
12
0.9
WNW
11
0.7
WNW
14
0.7
W
14
0.7
W
13
0.7
W
13
0.9
WNW
16
1
W
15
1.1
W
14
1
W
13
1
W
13
1.1
W
12
1.4
W
16
1.5
W
15
1.7
W
14
2.3
NW
10
2.1
WNW
12
1.3
WNW
12
2.5
NW
7
2.3
NW
9
1.9
NW
10
1.6
NW
9
1.6
WNW
10
1.6
WNW
12
1.4
WNW
11
1.5
WNW
11
1.5
WNW
11
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
light rain
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
light rain
rain shwrs
clear
clear
clear
clear
clear
clear
clear
clear
 km/h
15
NNE
20
N
5
ENE
15
SE
20
SSE
15
E
15
E
15
E
10
ENE
10
E
10
NNE
5
ENE
5
E
5
W
5
E
10
E
5
NW
10
NNE
5
NE
10
NNW
10
NE
20
NNE
25
NNE
20
N
25
N
25
N
5
NW
30
NW
25
N
15
NNE
15
N
20
N
20
NNE
20
NNE
25
N
20
NNE
 mm 
2
11
max°C
10
11
7
9
11
7
11
14
10
13
15
12
12
13
11
11
12
9
9
11
7
9
11
10
11
11
12
14
13
10
12
14
10
10
12
9
Moonrise
11:25
11:46
12:07
12:29
12:55
1:26
2:05
2:56
4:01
5:16
6:36
7:53
Moonset
10:42
11:50
1:00
2:14
3:31
4:51
6:11
7:24
8:25
9:12
9:48
Sunrise
8:00
8:00
8:00
8:00
8:00
8:02
8:02
8:02
8:02
8:02
8:02
8:02
Sunset
5:09
5:09
5:10
5:12
5:12
5:13
5:14
5:15
5:15
5:16
5:17
5:19
Today's sea temperature in Viana do Castelo is
14.4° C
(Statistics for 25 Dec 1981-2005 – mean: 14.8 max: 15.7 min: 14.0°C)
Issued (local time): 5 am Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest