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 pm 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 2AM is: 2.5m 13s primary swell from a West-northwest direction (forecast issued at 11:00pm December 14). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 8ft (2.4m) | 13s |
| Afternoon (15 Dec) | 7.5ft (2.3m) | 13s |
| Evening (15 Dec) | 7.5ft (2.3m) | 13s |
Table - waves today at Belgas. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||||||||||||
| 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 | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 15 | 14 | 10 | 11 | 11 | 11 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2276 | 2334 | 2334 | 2098 | 2026 | 1783 | 1872 | 1965 | 1730 | 2705 | 5445 | 7623 | 4445 | 8391 | 8625 | 8070 | 7051 | 6268 | 6328 | 5275 | 4313 | 3416 | 2964 | 2402 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- 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 | cross | cross- on | cross- on | cross- on |
High Tide / height (m) | 11:15PM 2.21 | 11:33AM 2.24 | 12:02AM 2.31 | 12:21PM 2.29 | 12:44AM 2.42 | 1:04PM 2.35 | ||||||||||||||||||
Low Tide / height (m) | 5:24AM 0.84 | 5:46PM 0.74 | 6:13AM 0.75 | 6:28PM 0.68 | 6:55AM 0.65 | |||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:48 | - | - | - | - | - | - | - | 7:50 | - | - | - | - | - | - | - | 7:50 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:14 | - | - | - | - | - | - | - | 5:14 | - | - | - | - | - | - | - | 5:14 | - |
 | | | |  |  | |  |  |  | |  | |  | | | |  | | |  | |  | | |
Rain (mm) | - | - | - | - | - | 1 | 2 | 2 | 7 | 1 | 2 | 13 | 5 | 2 | 1 | 1 | 1 | - | - | - | - | - | - | - |
| Temp. °C | 14 | 13 | 12 | 11 | 12 | 13 | 12 | 14 | 10 | 13 | 12 | 11 | 12 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 13 | 13 | 13 | 13 |
| Feels °C (?) | 12 | 11 | 9 | 8 | 9 | 9 | 7 | 8 | 6 | 6 | 4 | 0 | 0 | 2 | 2 | 2 | 4 | 6 | 6 | 8 | 9 | 9 | 10 | 11 |
- 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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