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 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 4AM is: 1.7m 8s primary swell from a East-northeast direction and 0.7m 9s secondary swell from a North-northwest direction, 0.4m 9s secondary swell from a Northeast direction (forecast issued at 01:00am December 14). The wind direction is predicted to be cross-shore.
| Time (AST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 5.5ft (1.7m) | 9s |
| Afternoon (14 Dec) | 5.5ft (1.7m) | 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 | ||||||||||||||||||||||
| 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) (?) | 6 | 7 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 282 | 317 | 364 | 442 | 393 | 422 | 564 | 459 | 397 | 363 | 370 | 370 | 322 | 315 | 315 | 315 | 308 | 308 | 265 | 251 | 212 | 212 | 302 | 251 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross- off | cross | cross | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | on | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- on | cross- on | cross- on | cross |
High Tide / height (m) | 4:59AM 0.49 | 4:06PM 0.36 | 5:49AM 0.51 | 4:48PM 0.33 | 6:34AM 0.53 | 5:31PM 0.30 | ||||||||||||||||||
Low Tide / height (m) | 10:01PM 0.12 | 11:18AM 0.25 | 10:37PM 0.10 | 12:20PM 0.24 | 11:13PM 0.09 | 1:15PM 0.22 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:53 | - | - | - | - | - | - | - | 5:53 | - |
 | |  |  | | | | | | | | | | | | | |  | | | |  |  | | |
Rain (mm) | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | 3 | 1 |
| Temp. °C | 25 | 24 | 24 | 25 | 29 | 30 | 29 | 26 | 24 | 24 | 23 | 23 | 26 | 27 | 27 | 25 | 25 | 25 | 24 | 24 | 27 | 27 | 26 | 26 |
| Feels °C (?) | 25 | 24 | 25 | 26 | 28 | 30 | 30 | 27 | 26 | 26 | 25 | 25 | 27 | 27 | 29 | 28 | 28 | 28 | 26 | 27 | 29 | 28 | 28 | 27 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
Buy Less, Surf More This Black Friday
Surf-forecast is providing a free, all-access pass to our premium features and 12-day forecasts all weekend.
Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.
Previously used in our snow jackets for mountain conditions, PrimaLoft® technology is making its debut in the surf industry. The aim is to bring mountain-grade warmth to the waves.
Vancouver Island’s Day Of Days With Reed Platenius
Surf-Forecast recently helped the 21-year-old Canadian pro surfer and adventurer score some cold water perfection at home.
Read more
Discover more articles and updates in the Greenroom.
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Dunes surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest