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:
Dunes surfForecast / Puerto Rico / Puerto Rico
48hr Weather and Surf, issued 1 am Thursday 11 Dec 2025 ASTForecast update in hr min s Forecast update imminent
Dunes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dunes sea temperature is
28.2° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Dunes today?
The current surf forecast for Dunes at 7AM is: 1.2m 8s primary swell from a East direction and 0.6m 12s secondary swell from a North direction, 0.4m 12s secondary swell from a North-northeast direction (forecast issued at 01:00am December 11). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (AST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 4ft (1.2m) | 8s |
| Afternoon (11 Dec) | 3.5ft (1.1m) | 11s |
| Evening (11 Dec) | 4.5ft (1.3m) | 11s |
Table - waves today at Dunes. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | ||||||||||||||||||||||
| 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 8 | 8 | 8 | 6 | 8 | 8 | 8 | 8 | 8 | 6 | 6 | 6 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 177 | 164 | 160 | 160 | 187 | 316 | 418 | 408 | 403 | 338 | 274 | 219 | 260 | 270 | 167 | 358 | 277 | 317 | 284 | 252 | 171 | 251 | 284 | 412 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | glass | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross- off | cross | cross | cross | cross | cross | cross- on | cross | cross |
High Tide / height (m) | 1:48AM 0.41 | 2:00PM 0.50 | 2:56AM 0.43 | 2:43PM 0.45 | 4:01AM 0.46 | 3:24PM 0.41 | ||||||||||||||||||
Low Tide / height (m) | 8:02PM 0.15 | 7:37AM 0.18 | 8:45PM 0.15 | 8:52AM 0.22 | 9:24PM 0.13 | 10:07AM 0.24 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - |
 | | |  | | | | | | |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 25 | 24 | 23 | 24 | 27 | 28 | 27 | 26 | 25 | 24 | 24 | 25 | 28 | 28 | 28 | 25 | 24 | 24 | 24 | 24 | 28 | 29 | 26 | 26 |
| Feels °C (?) | 27 | 26 | 24 | 26 | 30 | 29 | 29 | 29 | 27 | 25 | 25 | 26 | 28 | 27 | 27 | 25 | 24 | 25 | 25 | 23 | 27 | 26 | 23 | 26 |
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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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