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 07:58 AM and sunset is at 05:07 PM.

Days 1–3 Weather Summary

Heavy rain (total 33mm), heaviest during Mon night. Cool air temperatures (max 13°C on Tue afternoon, min 7°C on Sun morning). Wind will be generally light.

Days 4–6 Weather Summary

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

Days 7–9 Weather Summary

Mostly dry. Very mild (max 14°C on Sun afternoon, min 5°C on Sat morning). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Very mild (max 14°C on Tue afternoon, min 5°C on Tue night). Wind will be generally light.

Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
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
3:38PM2.97m
3:51AM3.25m
4:14PM2.98m
4:27AM3.26m
4:52PM2.97m
5:06AM3.23m
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
Low Tide
9:29AM0.83m
9:32PM0.90m
10:04AM0.81m
10:08PM0.90m
10:41AM0.81m
10:47PM0.92m
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
Wave
height (m) 
direction
period (s) 
4.5
WNW
14
4.5
WNW
15
4
WNW
14
3.5
NW
14
3
NW
14
3
NW
13
2.4
NW
12
2.1
NW
11
1.8
NW
11
2
NW
11
1.7
WNW
11
1.5
NW
14
1.2
NW
13
1.1
NW
12
1.4
NW
12
0.9
WNW
12
1
WNW
11
0.9
WNW
9
1
W
15
1
W
14
1
W
13
0.9
WNW
12
0.9
WNW
12
0.8
WNW
11
0.7
WNW
13
0.7
WNW
15
0.8
WNW
13
1
W
12
1.1
W
11
1.1
SW
9
0.9
WNW
14
0.9
WNW
14
0.9
WNW
13
0.8
WNW
12
0.8
WNW
12
1.3
WNW
11
light rain
rain showers
mod rain
rain showers
light rain
mod rain
rain showers
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
light rain
rain shwrs
mod rain
rain shwrs
light rain
mod rain
rain shwrs
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
some clouds
cloudy
some clouds
some clouds
clear
clear
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
 km/h
10
NW
15
NW
10
WNW
15
N
15
NW
15
WNW
15
ENE
10
NNW
10
ENE
10
ENE
10
NNE
10
ENE
10
E
10
NNW
15
NNE
15
NNE
20
N
10
E
10
E
5
SE
10
ENE
10
E
10
SSE
10
E
15
E
5
ENE
10
ENE
15
ENE
10
NE
25
E
15
E
10
ENE
15
E
10
ENE
5
NW
20
N
 mm 
4
4
9
2
2
9
3
max°C
8
9
9
11
12
11
12
13
10
12
13
9
11
12
7
9
9
6
10
12
10
13
14
11
13
14
10
12
14
7
10
13
10
13
14
10
Moonrise
9:26
10:04
10:35
11:01
11:25
11:46
12:07
12:29
12:55
1:26
2:05
2:56
Moonset
6:13
7:19
8:26
9:34
10:42
11:50
1:00
2:14
3:31
4:51
6:11
Sunrise
7:58
7:58
7:58
8:00
8:00
8:00
8:00
8:00
8:00
8:02
8:02
8:02
Sunset
5:07
5:07
5:07
5:08
5:09
5:09
5:10
5:12
5:12
5:13
5:14
5:15
Today's sea temperature in Viana do Castelo is
15.0° C
(Statistics for 21 Dec 1981-2005 – mean: 14.9 max: 16.1 min: 14.1°C)
Issued (local time): 11 am Sunday 21 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest