Viana do Castelo surf break

Viana do Castelo surfForecast / Douro & Minho / Portugal

information circle16 Day Weather and Surf, issued 6 pm Tuesday 05 May 2026 WEST
Forecast update in hr  min  s Forecast update imminent
Viana do Castelo surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Viana do Castelo sea temperature is
16.5° C
(Which is 1.6°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Viana do Castelo this week:

The surf forecast for Viana do Castelo over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (May 06) at 4AM. The primary swell is predicted to be 1.6m and 8s period with a secondary swell of 0.2m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Viana do Castelo in the next 16 days are 1.9m 12s and forecast to arrive on Monday (May 11) at 4PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 2s period and expected on Saturday (May 09) at 1AM.

Wave TypeTime (WEST) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Wed 6th May)5ft (1.6m) 8s
Best Surf 4AM (Wed 6th May)5ft (1.6m) 8s
Most Powerful 4PM (Mon 11th May)6ft (1.9m) 12s

Table - best surf conditions forecast for Viana do Castelo over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Fri morning. Very mild (max 16°C on Wed morning, min 10°C on Tue night). Wind will be generally light.

Days 5-7 Weather Summary

Heavy rain (total 42mm), heaviest during Sun night. Very mild (max 17°C on Fri afternoon, min 12°C on Sat night). Winds increasing (light winds from the SW on Fri afternoon, fresh winds from the S by Sat afternoon).

Tue
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
1
2
0
1
0
0
0
0
0
1
0
0
0
0
0
0
2
1
2
1
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.6
NW
9
1.7
NW
8
1.3
NW
8
1.1
NW
8
1.3
NNW
6
0.9
NW
6
0.9
NW
9
0.8
NW
8
0.6
NNW
8
0.4
WNW
14
0.6
WNW
13
0.8
NNW
12
1.6
SSW
8
1.6
SSW
8
1.8
SSW
8
1.6
SSW
8
1.3
NNW
11
1.4
NNW
11
1.9
NNW
12
1.6
NNW
11
1.3
NNW
9
Wave Graph
Metric surfscale
Energy kJ
359
400
206
143
137
61
110
75
42
61
131
177
294
285
453
351
346
492
939
573
312
Wind (km/h)
20
NW
20
N
10
N
25
NW
15
NNE
5
SSW
10
W
5
S
20
S
5
SW
5
S
25
SSE
30
S
30
S
30
SSE
30
S
25
SSE
10
S
15
WSW
25
NNW
25
N
cross
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross
cross-on
cross-on
cross
cross-on
cross-on
cross-on
on
cross-off
cross-off
High Tide
5:45PM3.10m
6:07AM2.82m
6:21PM2.99m
6:48AM2.70m
7:04PM2.88m
7:38AM2.58m
7:58PM2.77m
8:42AM2.51m
9:06PM2.71m
9:57AM2.53m
10:21PM2.74m
11:11AM2.65m
11:31PM2.85m
12:13PM2.85m
Low Tide
11:57PM0.97m
12:02PM1.10m
00:36AM1.09m
12:41PM1.23m
1:24AM1.21m
1:31PM1.36m
2:23AM1.30m
2:37PM1.44m
3:37AM1.32m
3:58PM1.44m
4:53AM1.24m
5:16PM1.32m
5:56AM1.08m
clear
clear
clear
clear
clear
clear
part cloud
cloud
rain showers
part cloud
cloud
part cloud
thunderstorm
rain showers
rain showers
mod rain
thunderstorm
rain showers
rain showers
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:24
6:24
6:22
6:20
6:20
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:37
8:37
8:38
8:39
8:40
8:42
8:43
8:44
2
4
13
3
6
14
2
2
Temp °C
15
13
16
16
14
16
16
14
16
17
15
17
17
14
16
16
15
16
16
13
14
11
9
12
11
11
15
14
13
12
15
13
11
12
11
11
11
10
13
13
8
8
Swell 1
Height (m)
Direction
Period (s)
0.2
WSW
9
1.7
NW
8
1.3
NW
8
0.2
WSW
8
0.4
NW
10
0.9
NW
6
0.9
NW
9
0.8
NW
8
0.6
NNW
8
0.4
NNW
8
0.6
WNW
13
0.8
NNW
12
1.4
SW
8
1.6
SSW
8
0.7
NNW
10
1
NNW
11
1.3
NNW
11
1.4
NNW
11
1.9
NNW
12
1.6
NNW
11
1.3
NNW
9
Energy kJ
8
400
206
6
26
61
110
75
42
24
131
177
204
285
92
251
346
492
939
573
312
Swell 2
Height (m)
Direction
Period (s)
0.2
WSW
8
0.2
WSW
8
0.1
NW
11
0.2
WSW
8
0.5
NW
9
0.1
W
8
0.1
W
16
0.3
WNW
15
0.4
WNW
14
0.4
NNW
13
0.7
SSW
4
0.8
NNW
11
0.8
WNW
11
0.6
WNW
11
0.5
W
10
1.1
SW
8
0.2
WNW
10
0.9
SSW
7
0.7
SSW
7
0.4
SSW
7
Energy kJ
6
6
5
6
41
1
5
42
61
69
19
166
156
90
51
133
9
96
44
18
Swell 3
Height (m)
Direction
Period (s)
0.1
NW
12
0.1
S
16
0.2
W
8
0.1
S
15
0.1
W
8
0.1
W
8
0.1
NW
15
0.4
NNW
7
0.6
WNW
12
0.6
WNW
12
0.8
NNW
11
0.3
WNW
10
0.1
SW
19
0.1
SW
18
0.1
SW
18
0.1
SW
16
Energy kJ
6
5
5
4
1
1
9
18
113
107
138
19
15
13
12
11
Wind waves
Height (m)
Direction
Period (s)
1.6
NW
9
1.1
NW
8
1.3
NNW
6
0.6
SW
3
0.7
SW
4
0.4
NE
2
1.6
SSW
8
1.8
SSW
8
1.6
SSW
8
1.1
SSW
7
Energy kJ
359
143
137
7
17
1
294
453
351
134
Nearest Offshore or Glassy
Rating
(10 max)
1
2
2
1
1
1
1
1
1
1
1
1
2
2
3
2
3
3
3
1
1
Distance (km)
100
19
0
151
0
66
106
18
104
100
18
114
106
106
179
114
104
10
247
130
419
Best forecast wave conditions in Douro and Minho
Rating
(10 max)
2
2
1
1
1
1
3
Best forecast wave conditions in Portugal
Rating
(10 max)
1
2
2
1
1
1
1
1
1
1
4
2
4
4
4
3
2
4
4
Header Global
Rating
(10 max)
4
5
6
5
5
7
6
5
6
6
5
5
5
4
5
5
5
6
8
9
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Viana do Castelo Surf forecast

The above surf forecast table for Viana do Castelo provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Viana do Castelo can be found by selecting the local surf guide option on the grey menu. Our Viana do Castelo surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Viana do Castelo) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Viana do Castelo may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Viana do Castelo is 3 km (2 miles) from Viana do Castelo. If you plan a holiday in Douro and Minho, look for hotels and other accommodation in Viana do Castelo. Viana do Castelo has rooms for a wide range of budgets as well as car hire and transport links.

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