Viana do Castelo Surf Break

Lat Long: 41.69° N 8.85° W

Viana do Castelo 48 hour detailed Surf Forecast

Issued: 6 am 23 Oct 2026 (local time)

Forecast update in  hr  min

Today's Viana do Castelo sea temperature is
14.7°C
2.4° 

Viana do Castelo surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Viana do Castelo today (23 Oct):

  • Morning surf: Morning surf (23 Oct, local time) - 13ft (4.0m), 13s period with NW swell.
  • Afternoon surf: Afternoon surf (23 Oct, local time) - 13ft (4.0m), 13s period with NW swell.
  • Evening surf: Evening surf (23 Oct, local time) - 11ft (3.5m), 12s period with NW swell.

The current surf forecast for Viana do Castelo at 10AM is: 4.0m 14s primary swell from a Northwest direction (forecast issued at 06:00am October 23). The wind direction is predicted to be cross-offshore and the swell rating is 11.

Time (WEST) & DateWave HeightWave Period
Morning (23 Oct)13ft (4.0m)13s
Afternoon (23 Oct)13ft (4.0m)13s
Evening (23 Oct)11ft (3.5m)12s

Table - waves today at Viana do Castelo. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 17°C on Sun afternoon, min 11°C on Fri night). Wind will be generally light.

Friday
23
Saturday
24
Sunday
25
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
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Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3.5
NW
13
4
NW
13
4
NW
14
4
NW
13
3.5
NW
13
3.5
NW
12
3.5
NW
12
3
NW
12
2.5
NW
12
2.5
NW
11
2.4
NW
11
2.1
NW
11
2.4
NW
13
2.3
NW
13
2.2
NW
13
2.1
NW
13
2.2
NW
13
2.3
NW
13
2.3
NW
13
2.4
NW
12
2.5
NW
12
2.5
NW
12
2.5
NW
12
Wave Graph
Metric surfscale
Energy kJ
3987
5945
6307
5719
4610
3716
3060
2471
1926
1665
1376
1072
1982
1834
1619
1395
1569
1677
1736
1738
1854
2101
2195
Wind (km/h)
15
N
20
N
10
NNE
15
NNW
25
NNW
25
N
20
N
15
NNE
15
NNE
10
NNE
5
NE
5
WNW
10
WNW
5
NW
0
ESE
10
SE
10
SE
15
SE
15
SSE
15
S
10
SW
0
SSW
5
ESE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross
cross
cross
glassy
cross
cross
cross
cross
cross-on
on
glassy
glassy
High Tide
1:30AM2.97m
1:43PM3.16m
2:08AM3.21m
2:23PM3.34m
2:45AM3.41m
3:01PM3.47m
Low Tide
7:33AM0.97m
7:55PM0.75m
8:12AM0.74m
8:32PM0.56m
8:51AM0.55m
9:09PM0.43m
part cloud
clear
clear
clear
clear
clear
cloud
part cloud
part cloud
clear
clear
clear
cloud
part cloud
part cloud
part cloud
cloud
cloud
clear
cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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7:56
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7:56
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6:58
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
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6:43
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6:40
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5:39
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 mm
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Temp °C
15
15
15
16
15
14
13
12
11
11
11
14
14
13
13
13
13
14
15
16
17
17
17
Feels °C
12
11
12
12
9
9
9
8
8
8
9
12
12
12
13
11
10
11
13
14
17
18
18
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

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