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 05:58 AM and sunset is at 06:09 PM.

Days 1–3 Weather Summary

Light rain (total 9mm), mostly falling on Fri night. Very warm air temperatures (max 30°C on Fri morning, min 23°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

Moderate rain (total 11mm), heaviest on Sun morning. Very warm air temperatures (max 30°C on Tue afternoon, min 26°C on Sun afternoon). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 2mm), mostly falling on Fri morning. Warm (max 31°C on Wed afternoon, min 25°C on Thu night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 30°C on Sat morning, min 25°C on Sat night). Wind will be generally light.

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
9:36AM4.82m
9:53PM4.92m
10:26AM4.76m
10:46PM4.79m
11:20AM4.72m
11:46PM4.67m
12:20PM4.71m
00:52AM4.61m
1:23PM4.78m
2:00AM4.63m
2:26PM4.92m
3:07AM4.75m
3:28PM5.12m
4:09AM4.93m
4:26PM5.34m
5:06AM5.11m
5:20PM5.54m
5:58AM5.25m
6:11PM5.68m
6:46AM5.33m
6:59PM5.72m
7:32AM5.33m
7:45PM5.64m
Low Tide
3:37PM1.08m
4:05AM0.91m
4:29PM1.18m
4:58AM1.07m
5:29PM1.24m
6:00AM1.20m
6:38PM1.22m
7:09AM1.24m
7:52PM1.08m
8:19AM1.17m
9:00PM0.81m
9:24AM1.00m
10:02PM0.50m
10:22AM0.77m
10:57PM0.20m
11:15AM0.56m
11:47PM-0.00m
12:04PM0.41m
00:35AM-0.10m
12:51PM0.34m
1:21AM-0.06m
1:36PM0.37m
2:05AM0.10m
Wave
height (m) 
direction
period (s) 
0.4
NNE
14
0.4
NNE
14
0.3
NNE
9
0.4
NNE
8
0.4
NNE
8
0.5
ENE
3
0.4
NNE
15
0.5
N
14
0.5
N
13
0.5
N
12
0.5
N
12
0.6
N
12
0.5
N
14
0.5
N
14
0.7
N
13
0.7
N
13
0.6
N
13
0.7
N
12
0.6
N
13
0.6
N
14
0.6
N
13
0.6
N
13
0.5
N
13
0.6
N
13
0.5
N
12
0.5
N
13
0.6
N
13
0.5
N
12
0.5
N
12
0.6
N
12
0.6
N
11
0.6
N
11
0.6
N
10
0.6
NE
4
0.5
N
10
0.6
NE
3
thunderstorm
part cloud
part cloud
part cloud
clear
thunderstorm
part cloud
part cloud
rain showers
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
clear
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
rain showers
thunderstorm
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
risk tstorm
some clouds
some clouds
some clouds
clear
risk tstorm
some clouds
some clouds
rain shwrs
risk tstorm
risk tstorm
some clouds
some clouds
risk tstorm
clear
some clouds
clear
some clouds
some clouds
clear
clear
some clouds
some clouds
clear
rain shwrs
risk tstorm
clear
some clouds
some clouds
clear
some clouds
clear
clear
clear
clear
some clouds
 km/h
5
SSE
10
E
5
SE
10
ENE
15
ENE
10
E
10
ENE
15
NE
10
ENE
10
NE
10
NE
10
NE
10
NE
15
NE
10
ENE
15
ENE
15
ENE
10
ENE
10
E
15
ENE
10
NE
15
ENE
15
NE
10
NE
10
ENE
15
NE
10
NE
15
NE
15
NE
10
ENE
15
ENE
15
ENE
10
ENE
15
ENE
15
ENE
10
NE
 mm 
2
3
4
5
5
1
1
1
max°C
27
29
25
30
30
26
29
30
27
29
29
26
29
28
26
29
30
26
30
31
26
30
29
26
29
29
26
30
29
26
29
30
26
30
30
27
Moonrise
10:20
11:05
11:50
12:38
1:29
2:24
3:26
4:31
5:38
6:43
7:42
8:36
Moonset
10:43
11:27
12:12
12:59
1:52
2:49
3:52
4:58
6:05
7:08
8:05
Sunrise
5:58
5:58
5:58
6:00
6:00
6:01
6:01
6:01
6:01
6:03
6:03
6:03
Sunset
6:09
6:09
6:10
6:10
6:12
6:12
6:13
6:13
6:14
6:14
6:15
6:15
Today's sea temperature in Viseu is
28.5° C
(Statistics for 25 Dec 1981-2005 – mean: 27.9 max: 28.8 min: 27.1°C)
Issued (local time): 2 am Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest