Viana do Castelo surf break

Viana do Castelo surfForecast / Douro & Minho / Portugal

information circle16 Day Weather and Surf, issued 12 pm Thursday 09 Apr 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
13.6° C
(Which is slightly cooler than normal)

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 Thursday (Apr 09) at 10PM. The primary swell is predicted to be 1.9m and 8s period with a secondary swell of 1.2m and 10s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Viana do Castelo in the next 16 days are 4.5m 14s and forecast to arrive on Saturday (Apr 11) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 5s period and expected on Thursday (Apr 16) at 7PM.

Wave TypeTime (WEST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Thu 9th Apr)6ft (1.9m) 8s
Best Surf 4AM (Fri 10th Apr)7ft (2.1m) 14s
Most Powerful10PM (Sat 11th Apr)15ft (4.5m) 14s

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 Mostly dry. Warm (max 25°C on Thu afternoon, min 8°C on Sat night). Winds increasing (calm on Fri morning, strong winds from the NNW by Sat afternoon).

Days 3-6 Weather Summary Heavy rain (total 32mm), heaviest during Mon afternoon. Very mild (max 14°C on Mon night, min 10°C on Sun night). Wind will be generally light.

Thursday
09
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
4
2
4
!
!
!
!
0
!
!
!
!
!
!
0
!
!
3
!
!
!
Swell
Height Map
Wave Height (m) & direction (?)
1.9
NW
1.8
NW
1.9
NW
2.4
NW
2.5
NW
2.4
NW
2.1
NW
4.5
NW
4
NW
4.5
NW
4
NW
3.5
NW
3
NW
3
WNW
3.5
WNW
3
WNW
2.5
WNW
2
WNW
2.1
WNW
2.4
WNW
1.7
WNW
Period(s) (?)12128141414141415151514131312111111121218
Wave
Graph
(?)Metric surfscale
Energy kJ (?)111894447921932267216115477520752981287683469126812560377023061559938124716051743
Wind
(km/h)
10
N
20
N
15
NE
5
ENE
15
NNW
25
NNW
40
N
50
NNW
25
N
20
N
25
NNW
10
N
15
SW
20
SSW
20
W
15
NW
10
NW
5
NNE
5
NNE
20
NW
15
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
offglasscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
oncross-
on
cross-
on
crosscrossoffcross-
off
cross-
off
cross-
off
High Tide
/ height (m)
8:20PM
2.62
9:08AM
2.37
9:43PM
2.54
10:47AM
2.37
11:15PM
2.61
12:08PM
2.53
12:26AM
2.79
1:04PM
2.77
1:19AM
3.02
1:49PM
3.04
2:04AM
3.25
2:30PM
3.29
2:45AM
3.44
Low Tide
/ height (m)
1:50PM
1.46
2:48AM
1.47
3:06PM
1.59
4:25AM
1.50
4:50PM
1.57
5:52AM
1.37
6:10PM
1.40
6:50AM
1.14
7:06PM
1.15
7:35AM
0.90
7:51PM
0.89
8:16AM
0.66
8:33PM
0.65
Thursday
09
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Sunrise7:05--7:03--7:01--7:01--6:58--6:56--6:56--
Sunset-8:07--8:08--8:10--8:12--8:13--8:14--8:15-
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
light rain
heavy rain
heavy rain
cloud
part cloud
clear
clear
clear
clear
Rain (mm)
------------51611------
Temp. °C202522221813121310131311111314141413161613
Feels °C (?)172120201693217778101113131213129
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  • 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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