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Surf Forecasts:
Viana do Castelo surfForecast / Douro & Minho / Portugal
48hr Weather and Surf, issued 5 am Sunday 07 Dec 2025 WETForecast 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
15.4° C
(Which is normal for this time of year)How big are the waves at Viana do Castelo today?
The current surf forecast for Viana do Castelo at 11AM is: 3.5m 14s primary swell from a West direction (forecast issued at 05:00am December 07). The wind direction is predicted to be cross-onshore.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Dec) | 11ft (3.5m) | 14s |
| Afternoon (07 Dec) | 11ft (3.5m) | 13s |
| Evening (07 Dec) | 11ft (3.5m) | 13s |
Table - waves today at Viana do Castelo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 07 | Monday 08 | Tuesday 09 | Wed 10 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 19 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 11 | 14 | 15 | 14 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 6541 | 5677 | 4565 | 4134 | 4206 | 4514 | 4409 | 4197 | 3152 | 2854 | 2798 | 14637 | 13528 | 16478 | 13594 | 15111 | 14359 | 13014 | 5547 | 4719 | 9107 | 4029 | 9017 | 7777 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | glass |
High Tide / height (m) | 4:11AM 3.57 | 4:41PM 3.22 | 5:00AM 3.43 | 5:32PM 3.06 | 5:50AM 3.26 | 6:27PM 2.89 | ||||||||||||||||||
Low Tide / height (m) | 10:26AM 0.53 | 10:37PM 0.73 | 11:16AM 0.67 | 11:26PM 0.92 | 12:08PM 0.85 | |||||||||||||||||||
Sunday 07 | Monday 08 | Tuesday 09 | Wed 10 | |||||||||||||||||||||
| Sunrise | - | - | 7:48 | - | - | - | - | - | - | - | 7:48 | - | - | - | - | - | - | - | 7:50 | - | - | - | - | - |
| Sunset | - | - | - | - | 5:04 | - | - | - | - | - | - | - | 5:04 | - | - | - | - | - | - | - | 5:04 | - | - | - |
 |  |  | |  |  |  | | | | | | | | | | | |  |  | | | | | |
Rain (mm) | 1 | - | - | - | - | 1 | - | 1 | - | - | - | - | - | - | - | 1 | - | - | 1 | 10 | 6 | 1 | 1 | 1 |
| Temp. °C | 16 | 16 | 16 | 17 | 16 | 16 | 15 | 14 | 14 | 13 | 14 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 14 | 15 | 14 | 13 | 13 |
| Feels °C (?) | 12 | 12 | 12 | 13 | 12 | 13 | 12 | 10 | 10 | 8 | 9 | 10 | 10 | 10 | 10 | 9 | 9 | 8 | 7 | 6 | 13 | 12 | 12 | 12 |
- 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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