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 06:16 AM and sunset is at 09:05 PM.

Days 1–3 Weather Summary

Light rain (total 3mm), mostly falling on Sat night. Warm air temperatures (max 20°C on Sat afternoon, min 14°C on Sun night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 26°C on Thu morning, min 14°C on Tue night). Winds decreasing (fresh winds from the NNW on Wed afternoon, light winds from the NNE by Thu night).

Days 7–9 Weather Summary

Mostly dry. Warm (max 31°C on Sat morning, min 17°C on Sun night). Winds increasing (light winds from the N on Fri morning, fresh winds from the NNW by Sun afternoon).

Days 10–12 Weather Summary

Mostly dry. Warm (max 27°C on Mon afternoon, min 15°C on Tue night). Winds decreasing (fresh winds from the NNW on Mon afternoon, light winds from the N by Wed night).

Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
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
10:34AM2.91m
11:02PM2.83m
11:49AM2.93m
00:20AM2.82m
1:00PM3.03m
1:33AM2.89m
2:03PM3.16m
2:34AM2.99m
2:56PM3.30m
3:25AM3.10m
3:43PM3.40m
4:10AM3.17m
4:25PM3.45m
4:52AM3.19m
5:04PM3.45m
5:30AM3.17m
5:41PM3.40m
6:06AM3.11m
6:16PM3.30m
6:42AM3.02m
6:52PM3.16m
7:18AM2.91m
7:28PM3.00m
Low Tide
4:50PM1.19m
5:22AM1.08m
6:09PM1.15m
6:35AM1.05m
7:21PM1.03m
7:39AM0.98m
8:21PM0.88m
8:34AM0.88m
9:12PM0.75m
9:22AM0.80m
9:57PM0.65m
10:05AM0.75m
10:38PM0.60m
10:45AM0.75m
11:16PM0.61m
11:23AM0.78m
11:53PM0.67m
11:59AM0.86m
00:28AM0.77m
12:34PM0.97m
1:03AM0.90m
1:11PM1.10m
1:39AM1.05m
Wave
height (m) 
direction
period (s) 
0.8
WNW
8.0
0.9
WNW
8.0
1.9
WNW
8.0
2
WNW
9.0
1.9
WNW
10.0
1.9
NW
10.0
1.8
NW
10.0
1.6
NW
10.0
1.4
NW
9.0
1.1
NW
9.0
1.1
NW
8.0
1.3
NW
6.0
1.3
WNW
8.0
2.1
NW
6.0
1.9
NW
7.0
1.3
NW
6.0
1.6
NW
5.0
1.7
NNW
6.0
1.3
NW
8.0
1.3
WNW
11.0
1.7
WNW
10.0
1.5
WNW
10.0
1.6
WNW
10.0
2.1
NW
8.0
1.7
WNW
10.0
2.1
NW
8.0
2.5
NW
7.0
2.2
NNW
6.0
2.5
NW
7.0
2.2
NW
8.0
1.6
NW
8.0
2.2
NW
7.0
1.8
NW
6.0
0.9
NW
10.0
0.8
NW
10.0
1.2
NW
8.0
part cloud
part cloud
rain showers
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
some clouds
some clouds
rain shwrs
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
 km/h
5
WSW
20
SSW
20
SW
10
NW
15
W
5
NNE
5
NNW
20
NW
15
N
15
NNW
25
NW
20
N
20
N
35
NNW
25
N
20
N
35
NNW
20
N
10
N
20
NW
15
NNE
15
NNW
20
NNW
15
N
15
NNW
25
NNW
25
N
25
N
35
NNW
20
N
20
NNW
30
NNW
25
NNW
15
NNW
20
NW
20
NNW
 mm 
3
max°C
19
20
18
19
19
17
20
20
16
22
21
17
24
25
21
26
24
21
30
30
27
31
31
27
28
26
21
26
27
23
24
23
17
22
22
18
Moonrise
1:02
1:36
2:19
3:13
4:18
5:32
6:47
8:00
9:10
10:16
11:20
12:23
Moonset
4:04
5:23
6:37
7:42
8:35
9:16
9:48
10:14
10:35
10:55
11:14
11:33
Sunrise
6:16
6:16
6:18
6:18
6:20
6:20
6:22
6:22
6:24
6:24
6:24
6:26
Sunset
9:05
9:05
9:04
9:02
9:01
9:00
9:00
9:00
8:59
8:58
8:57
8:55
Today's sea temperature in Viana do Castelo is 17.4 °C (Statistics for 19 Jul 1981-2005 – mean: 18.5 max: 19.7 min: 16.9°C)
Issued (local time): 6 am Saturday 19 Jul 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest