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Viana do Castelo Surf Forecast
/ Douro & Minho (25 surf breaks) /
Surf Forecasts:
Viana do Castelo surfForecast / Douro & Minho / Portugal
48hr Weather and Surf, issued 6 am Friday 17 Oct 2025 WEST
How big are the waves at Viana do Castelo today?
The current surf forecast for Viana do Castelo at 8AM is: 0.6m 11s primary swell from a West-northwest direction and 0.4m 7s secondary swell from a West-southwest direction (forecast issued at 06:00am October 17). The wind direction is predicted to be cross-offshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Oct) | 1.5ft (0.5m) | 11s |
| Afternoon (17 Oct) | 1.5ft (0.5m) | 10s |
| Evening (17 Oct) | 1.5ft (0.4m) | 10s |
Table - waves today at Viana do Castelo. (Swell directed towards the surf break)
Friday 17 | Saturday 18 | Sunday 19 | Mon 20 | |||||||||||||||||||||
| 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 | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 93 | 91 | 65 | 64 | 53 | 27 | 29 | 32 | 34 | 125 | 156 | 112 | 274 | 259 | 194 | 200 | 163 | 163 | 157 | 144 | 135 | 381 | 175 | 168 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- off | glass | glass | cross | cross- off | cross- off | cross- off | cross- off | glass | cross- off | on | on | glass | cross- on | cross- on | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross |
High Tide / height (m) | 1:18AM 2.80 | 1:27PM 2.97 | 2:00AM 2.95 | 2:07PM 3.10 | 2:33AM 3.08 | 2:41PM 3.19 | ||||||||||||||||||
Low Tide / height (m) | 7:18AM 1.21 | 7:44PM 0.95 | 7:58AM 1.06 | 8:19PM 0.83 | 8:31AM 0.93 | 8:48PM 0.75 | ||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Mon 20 | |||||||||||||||||||||
| Sunrise | - | - | 7:48 | - | - | - | - | - | - | - | 7:50 | - | - | - | - | - | - | - | 7:50 | - | - | - | - | - |
| Sunset | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:47 | - | - | - |
 | |  | | | | | | |  |  | | |  | | | |  |  |  | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 3 | 6 | 3 | 2 | 2 | 1 |
| Temp. °C | 17 | 16 | 19 | 22 | 21 | 19 | 18 | 19 | 18 | 19 | 21 | 23 | 21 | 18 | 19 | 18 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 17 |
| Feels °C (?) | 16 | 14 | 18 | 21 | 19 | 17 | 15 | 17 | 16 | 18 | 20 | 20 | 19 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 16 | 17 | 18 | 18 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Douro & Minho
Continuing clean conditions at Viana do Castelo (calm at Porto/Pedras Rubras Airport 55 km from Viana do Castelo). 0.6m 11s groundswell from the WNW with a 0.5m 7s swell from the WSW. 2 swells combining to make bigger set waves.
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