Viana do Castelo Surf Break

Lat Long: 41.69° N 8.85° W

Viana do Castelo Surf Forecast and Surf Report

Issued: 6 am 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Viana do Castelo sea temperature is
19.7°C
0.8° 

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


Viana do Castelo surf forecast from 5 Sep 2026:

  • Best quality surf: Wednesday 9 Sep, 10AM (local time) - 7ft (2.2m), 9s period, NW swell with cross-offshore winds.
  • Most powerful swell: Monday 7 Sep, 10AM (local time) - 6ft (1.9m), 12s period, WNW swell with 985 kJ wave energy.
  • Next surfable swell (1★+): Saturday 5 Sep, 7PM (local time) - 4.5ft (1.3m), 13s period with NW swell.

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 Saturday (Sep 05) at 7PM. The primary swell is predicted to be 1.3m and 13s period with a secondary swell of 0.9m and 8s. The wind is predicted to be glassy 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 (Sep 07) at 10AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Friday (Sep 11) at 7PM.

Wave TypeTime (WEST) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Sat 5th Sep)4.5ft (1.3m) 13s
Best Surf10AM (Wed 9th Sep)7ft (2.2m) 9s
Most Powerful10AM (Mon 7th Sep)6ft (1.9m) 12s

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


Short Range Forecast

Mostly dry. Warm (max 29°C on Sat morning, min 16°C on Mon night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 5mm), mostly falling on Tue afternoon. Warm (max 24°C on Thu afternoon, min 15°C on Tue night). Winds increasing (calm on Tue afternoon, fresh winds from the NNW by Wed afternoon).

Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
3
2
2
2
4
2
3
2
1
1
!
!
2
2
0
1
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
NW
11
1.2
NW
13
1.4
NW
12
1.2
NW
11
1
NW
10
1.3
WNW
14
1.9
WNW
12
1.6
WNW
11
1.8
WNW
11
1.3
WNW
10
0.8
NW
9
1.3
WNW
8
2.2
NW
9
2.3
NW
8
1.6
NNW
7
1.4
NNW
11
1.3
NNW
10
1.5
NNW
6
0.6
NW
9
0.1
S
15
1.5
NNW
6
Wave Graph
Metric surfscale
Energy kJ
79
495
555
332
212
694
985
693
732
325
112
235
698
665
251
425
320
164
65
4
193
Wind (km/h)
0
NE
10
SW
5
SE
10
NNW
20
NNW
15
N
15
N
25
NNW
15
NNW
5
NNW
5
S
25
N
25
N
35
NNW
20
N
10
N
30
NNW
20
N
15
N
30
NNW
15
NNE
Wind State
glassy
on
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
10:52PM2.60m
11:36AM2.81m
00:27AM2.70m
12:57PM2.98m
1:37AM2.92m
1:56PM3.21m
2:29AM3.14m
2:44PM3.40m
3:11AM3.31m
3:25PM3.54m
3:49AM3.42m
4:02PM3.59m
Low Tide
4:32PM1.31m
5:07AM1.34m
6:10PM1.20m
6:35AM1.21m
7:21PM0.98m
7:39AM1.00m
8:14PM0.75m
8:28AM0.80m
8:57PM0.56m
9:10AM0.64m
9:36PM0.45m
9:48AM0.55m
10:11PM0.41m
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
light rain
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:03
7:05
7:05
7:07
7:07
7:09
7:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:02
8:00
7:59
7:57
7:55
7:53
7:52
 mm
4
1
Temp °C
29
26
23
24
23
19
23
22
17
21
18
18
22
23
18
22
24
21
27
28
26
Feels °C
28
26
24
23
21
17
21
19
15
21
19
19
17
16
14
18
19
18
25
25
24
  • 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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