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:
Praia do Rock surfForecast / Douro & Minho / Portugal
48hr Weather and Surf, issued 11 am Monday 15 Dec 2025 WETForecast update in hr min s Forecast update imminent
Praia do Rock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Praia do Rock sea temperature is
15.3° C
(Which is normal for this time of year)How big are the waves at Praia do Rock today?
The current surf forecast for Praia do Rock at 7PM is: 2.5m 13s primary swell from a West-northwest direction and 1.3m 17s secondary swell from a West-northwest direction (forecast issued at 11:00am December 15). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 7.5ft (2.3m) | 14s |
| Afternoon (15 Dec) | 8ft (2.5m) | 13s |
| Evening (15 Dec) | 8ft (2.5m) | 14s |
Table - waves today at Praia do Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 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 | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 13 | 13 | 13 | 14 | 15 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 25 | 23 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1905 | 2035 | 2318 | 2268 | 2786 | 4404 | 4889 | 5987 | 7340 | 7237 | 7237 | 7702 | 6335 | 5276 | 4597 | 3820 | 3305 | 2723 | 2275 | 1906 | 1474 | 1354 | 2714 | 12623 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | off | glass | glass | cross- off | cross | cross | cross |
High Tide / height (m) | 11:44AM 2.31 | 12:13AM 2.39 | 12:32PM 2.36 | 12:55AM 2.50 | 1:15PM 2.43 | 1:33AM 2.60 | ||||||||||||||||||
Low Tide / height (m) | 5:56PM 0.76 | 6:24AM 0.77 | 6:39PM 0.70 | 7:07AM 0.67 | 7:18PM 0.64 | |||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | 7:52 | - | - | - | - | - | - | - | 7:54 | - | - | - | - | - | - | - | 7:54 | - | - | - | - | - | - | - |
| Sunset | - | - | 5:06 | - | - | - | - | - | - | - | 5:06 | - | - | - | - | - | - | - | 5:06 | - | - | - | - | - |
 |  |  |  |  | |  | | |  | | |  | | |  | |  | | | | | | | |
Rain (mm) | - | 5 | 8 | 22 | 3 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 13 | 12 | 11 | 9 | 9 | 9 | 9 | 11 | 13 | 13 | 12 | 12 | 12 | 12 |
| Feels °C (?) | 7 | 7 | 6 | 8 | 8 | 7 | 5 | 3 | 4 | 5 | 5 | 5 | 6 | 5 | 6 | 6 | 7 | 9 | 11 | 12 | 9 | 9 | 9 | 8 |
- 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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