Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Matosinhos surfForecast / Douro & Minho / Portugal
48hr Weather and Surf, issued 11 pm Thursday 11 Dec 2025 WETForecast update in hr min s Forecast update imminent
Matosinhos surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Matosinhos sea temperature is
15.5° C
(Which is normal for this time of year)How big are the waves at Matosinhos today?
The current surf forecast for Matosinhos at 2AM is: 3.0m 14s primary swell from a West direction and 1.3m 18s secondary swell from a West-northwest direction (forecast issued at 11:00pm December 11). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 11ft (3.5m) | 16s |
| Afternoon (12 Dec) | 13ft (4.0m) | 19s |
| Evening (12 Dec) | 13ft (4.0m) | 18s |
Table - waves today at Matosinhos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| 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 | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 13 | 14 | 16 | 16 | 17 | 19 | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2304 | 2964 | 2816 | 5275 | 5453 | 7133 | 10961 | 10933 | 10247 | 9400 | 8083 | 7101 | 5942 | 4288 | 3659 | 3015 | 2197 | 1800 | 1621 | 1127 | 1094 | 968 | 968 | 1267 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | off | off | glass | off | off | cross- off | glass | glass |
High Tide / height (m) | 8:54PM 3.00 | 9:06AM 3.26 | 9:38PM 3.06 | 9:50AM 3.26 | 10:18PM 3.10 | 10:31AM 3.22 | ||||||||||||||||||
Low Tide / height (m) | 2:53AM 0.92 | 3:26PM 0.70 | 3:37AM 0.86 | 4:06PM 0.70 | 4:19AM 0.83 | 4:43PM 0.72 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:50 | - | - | - | - | - | - | - | 7:50 | - | - | - | - | - | - | - | 7:50 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:06 | - | - | - | - | - | - | - | 5:06 | - | - | - | - | - | - | - | 5:06 | - |
 | |  | |  |  | | | |  |  | |  | | |  | | | | | | | | | |
Rain (mm) | 1 | 3 | 6 | 5 | 1 | - | 1 | 1 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 13 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 11 | 12 | 13 | 13 | 14 | 17 | 16 | 14 | 13 | 12 | 12 | 12 | 14 | 15 | 14 |
| Feels °C (?) | 8 | 8 | 6 | 8 | 8 | 7 | 7 | 6 | 6 | 7 | 9 | 10 | 10 | 11 | 14 | 13 | 11 | 10 | 10 | 9 | 10 | 12 | 14 | 13 |
- 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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