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 — and sunset is at —.

Days 1–4 Weather Summary

Heavy rain (total 51mm), heaviest during Sat night. Cool air temperatures (max 13°C on Mon morning, min 6°C on Sat night). Winds increasing (calm on Sun night, fresh winds from the NW by Mon night).

Days 5–7 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 8–10 Weather Summary

Mostly dry. Very mild (max 14°C on Sun afternoon, min 3°C on Fri night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Very mild (max 12°C on Tue afternoon, min 5°C on Tue morning). 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
Thu
1
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
3:17AM3.23m
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
Low Tide
8:58PM0.92m
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
Wave
height (m) 
direction
period (s) 
4
WNW
13
4.5
WNW
14
4.5
WNW
15
4
WNW
14
3.5
WNW
14
3.5
WNW
14
3
NW
13
2.4
NW
12
2.1
NW
12
2
WNW
11
2.2
WNW
13
1.9
NW
16
1.7
NW
14
1.4
NW
13
1.2
NW
13
1.2
NW
12
1.5
NW
8
1.5
NNW
7
1.1
NW
11
1
WNW
15
1
WNW
13
0.9
WNW
12
0.8
WNW
12
0.7
NW
12
0.7
NW
11
0.6
WNW
13
0.6
WNW
13
1
W
12
1.2
WNW
11
1.2
WNW
11
0.9
WNW
10
0.8
WNW
14
0.9
WNW
13
0.9
WNW
13
0.9
WNW
12
0.8
WNW
12
rain showers
light rain
thunderstorm
rain showers
rain showers
light rain
rain showers
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
rain shwrs
light rain
risk tstorm
rain shwrs
rain shwrs
light rain
rain shwrs
some clouds
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
some clouds
cloudy
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
 km/h
5
N
15
NW
15
NW
5
NW
15
NW
25
NW
25
NW
20
NNE
20
NNE
20
N
20
NNE
5
NE
5
ENE
5
E
5
NNW
10
NE
20
NNE
20
NNE
15
NE
15
ENE
10
ENE
15
ENE
15
E
5
NE
10
ENE
10
ENE
5
NW
10
NE
10
NE
5
NE
10
ENE
10
E
5
NNW
10
E
10
E
10
NNW
 mm 
25
5
4
7
2
3
5
max°C
8
9
10
9
13
12
11
11
11
11
12
13
10
11
12
9
9
7
5
10
13
8
12
14
11
11
12
9
9
12
9
9
11
9
9
11
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
15.2° C
(Statistics for 20 Dec 1981-2005 – mean: 14.9 max: 16.1 min: 14.1°C)
Issued (local time): 11 pm Saturday 20 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest