Viseu Sea Conditions and Tide Table

Viseu 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 05:52 AM and sunset is at 06:05 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Wed morning. Very warm air temperatures (max 31°C on Mon afternoon, min 26°C on Mon night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Very warm air temperatures (max 30°C on Thu morning, min 26°C on Thu night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 9mm), mostly falling on Sun night. Warm (max 30°C on Sun afternoon, min 21°C on Tue night). Wind will be generally light.

Days 10–12 Weather Summary

Moderate rain (total 14mm), heaviest on Sat morning. Warm (max 30°C on Fri morning, min 22°C on Wed night). Wind will be generally light.

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
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
2:53PM4.50m
3:24AM4.35m
3:39PM4.64m
4:11AM4.48m
4:22PM4.79m
4:53AM4.62m
5:04PM4.94m
5:34AM4.74m
5:43PM5.06m
6:13AM4.83m
6:23PM5.15m
6:52AM4.89m
7:02PM5.19m
7:31AM4.91m
7:41PM5.19m
8:10AM4.90m
8:22PM5.14m
8:52AM4.87m
9:05PM5.05m
9:36AM4.82m
9:53PM4.92m
10:26AM4.76m
10:46PM4.79m
Low Tide
9:00AM1.48m
9:31PM1.23m
9:47AM1.35m
10:16PM1.02m
10:30AM1.21m
10:56PM0.83m
11:09AM1.07m
11:34PM0.67m
11:46AM0.96m
00:11AM0.56m
12:22PM0.89m
00:47AM0.51m
12:58PM0.85m
1:23AM0.51m
1:34PM0.86m
2:00AM0.55m
2:12PM0.91m
2:38AM0.64m
2:52PM0.98m
3:19AM0.76m
3:37PM1.08m
4:05AM0.91m
4:29PM1.18m
4:58AM1.07m
Wave
height (m) 
direction
period (s) 
0.7
NNE
9
0.5
NNE
9
0.6
NNE
9
0.6
NNE
9
0.6
NNE
10
0.7
NNE
10
0.6
NNE
10
0.5
NNE
10
0.6
NNE
10
0.6
NNE
10
0.5
NNE
10
0.7
NNE
10
0.7
NNE
10
0.6
NNE
10
0.6
NNE
10
0.6
NNE
10
0.6
NNE
10
0.6
NNE
10
0.5
NNE
10
0.5
NNE
10
0.4
NNE
9
0.5
NNE
9
0.7
NNE
9
0.6
N
15
0.6
N
15
0.4
NNE
14
0.4
NNE
14
0.4
NNE
13
0.4
NNE
15
0.4
NNE
15
0.3
NNE
14
0.4
NNE
14
0.4
NNE
13
0.4
NNE
13
0.4
ENE
3
0.6
NE
3
part cloud
part cloud
part cloud
part cloud
clear
clear
thunderstorm
thunderstorm
clear
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
thunderstorm
part cloud
thunderstorm
cloud
part cloud
thunderstorm
cloud
cloud
part cloud
part cloud
thunderstorm
rain showers
part cloud
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
some clouds
some clouds
some clouds
some clouds
clear
clear
risk tstorm
risk tstorm
clear
some clouds
clear
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
risk tstorm
some clouds
risk tstorm
cloudy
some clouds
risk tstorm
cloudy
cloudy
some clouds
some clouds
risk tstorm
rain shwrs
some clouds
risk tstorm
risk tstorm
some clouds
some clouds
risk tstorm
 km/h
15
ENE
15
NE
15
ENE
15
ENE
15
ENE
15
NE
15
ENE
15
NE
10
ENE
15
ENE
15
ENE
10
ENE
15
ENE
20
ENE
10
ENE
15
ENE
15
ENE
10
NE
10
ENE
15
NE
0
ESE
10
SE
15
ENE
10
SE
10
SSE
10
S
5
SE
10
SE
5
ENE
5
SSW
5
SSE
10
ENE
5
E
10
E
15
ENE
10
NE
 mm 
1
1
2
5
2
3
1
3
1
3
max°C
30
31
27
31
30
27
30
30
26
30
30
27
30
30
27
30
30
26
29
30
26
29
29
25
26
24
21
29
26
24
28
27
25
30
30
26
Moonrise
2:15
2:58
3:43
4:32
5:22
6:15
7:07
7:58
8:47
9:35
10:20
11:05
Moonset
2:39
3:24
4:12
5:02
5:53
6:46
7:37
8:27
9:14
9:59
10:43
11:27
Sunrise
5:52
5:54
5:54
5:54
5:54
5:56
5:56
5:56
5:56
5:58
5:58
5:58
Sunset
6:05
6:05
6:06
6:06
6:07
6:07
6:07
6:07
6:08
6:08
6:09
6:09
Today's sea temperature in Viseu is
28.5° C
(Statistics for 15 Dec 1981-2005 – mean: 27.8 max: 28.6 min: 27.0°C)
Issued (local time): 8 am Monday 15 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest