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 7 pm Sunday 14 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 1.1°C warmer than normal for this time of year)How big are the waves at Dunes today?
The current surf forecast for Dunes at 11PM is: 1.5m 9s primary swell from a East direction and 0.5m 10s secondary swell from a North direction (forecast issued at 07:00pm December 14). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (AST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | - | - |
| Afternoon (14 Dec) | 5ft (1.6m) | 9s |
| Evening (14 Dec) | 5ft (1.6m) | 9s |
Table - waves today at Dunes. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| 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 | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 13 | 12 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 517 | 459 | 405 | 367 | 334 | 383 | 383 | 383 | 327 | 308 | 308 | 265 | 265 | 212 | 176 | 176 | 212 | 144 | 142 | 402 | 748 | 858 | 745 | 655 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | off | cross- off | cross- off | cross- off | cross- off | glass | on | cross- on | cross- on | cross- on | cross- off | cross- off | glass | cross- on | cross- on | cross | cross | cross- off | cross- off | cross | cross | cross | cross- on |
High Tide / height (m) | 4:06PM 0.36 | 5:49AM 0.51 | 4:48PM 0.33 | 6:34AM 0.53 | 5:31PM 0.30 | 7:17AM 0.54 | ||||||||||||||||||
Low Tide / height (m) | 10:37PM 0.10 | 12:20PM 0.24 | 11:13PM 0.09 | 1:15PM 0.22 | 11:50PM 0.07 | |||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - |
| Sunset | 5:52 | - | - | - | - | - | - | - | 5:53 | - | - | - | - | - | - | - | 5:53 | - | - | - | - | - | - | - |
 |  | | | | | | | | |  |  | | | | |  |  | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | - | - | - | - | - |
| Temp. °C | 29 | 26 | 25 | 24 | 23 | 23 | 27 | 27 | 26 | 25 | 25 | 25 | 24 | 24 | 27 | 28 | 27 | 26 | 25 | 24 | 24 | 24 | 27 | 28 |
| Feels °C (?) | 32 | 28 | 27 | 26 | 25 | 25 | 30 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 29 | 29 | 30 | 29 | 27 | 25 | 25 | 25 | 27 | 27 |
- Map Icons:
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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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