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:
Belgas surfForecast / Peniche / Portugal
48hr Weather and Surf, issued 11 am Sunday 14 Dec 2025 WETForecast update in hr min s Forecast update imminent
Belgas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Belgas sea temperature is
15.5° C
(Which is slightly cooler than normal)How big are the waves at Belgas today?
The current surf forecast for Belgas at 2PM is: 2.4m 13s primary swell from a Northwest direction (forecast issued at 11:00am December 14). The wind direction is predicted to be cross-offshore.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 8ft (2.4m) | 13s |
| Afternoon (14 Dec) | 8ft (2.4m) | 13s |
| Evening (14 Dec) | 8ft (2.5m) | 14s |
Table - waves today at Belgas. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| 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) (?) | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 15 | 10 | 10 | 10 | 11 | 11 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1972 | 1846 | 1874 | 1903 | 2276 | 2334 | 2369 | 2254 | 2026 | 1930 | 1872 | 1538 | 2817 | 3214 | 6123 | 3152 | 3925 | 6260 | 7091 | 6781 | 6506 | 5807 | 5124 | 6018 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | cross- off | cross- off | cross- off | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 10:38AM 2.22 | 11:15PM 2.21 | 11:33AM 2.24 | 12:02AM 2.31 | 12:21PM 2.29 | 12:44AM 2.42 | ||||||||||||||||||
Low Tide / height (m) | 4:58PM 0.78 | 5:24AM 0.84 | 5:46PM 0.74 | 6:13AM 0.75 | 6:28PM 0.68 | |||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| Sunrise | 7:48 | - | - | - | - | - | - | - | 7:48 | - | - | - | - | - | - | - | 7:50 | - | - | - | - | - | - | - |
| Sunset | - | - | 5:13 | - | - | - | - | - | - | - | 5:14 | - | - | - | - | - | - | - | 5:14 | - | - | - | - | - |
 | |  |  |  | | | |  |  | |  |  | |  | |  | | |  | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | 2 | 3 | 3 | 6 | 3 | 4 | 5 | 2 | 2 | 1 | 1 | - | - | - | - |
| Temp. °C | 12 | 15 | 16 | 15 | 14 | 13 | 11 | 11 | 11 | 12 | 14 | 13 | 12 | 12 | 12 | 11 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 |
| Feels °C (?) | 8 | 11 | 13 | 13 | 11 | 11 | 7 | 8 | 8 | 9 | 8 | 7 | 6 | 4 | 2 | -1 | 2 | 2 | 2 | 2 | 3 | 4 | 5 | 6 |
- 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 Belgas 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