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:
Belharra surfForecast / La Cote Basque / France
48hr Weather and Surf, issued 12 am Saturday 13 Dec 2025 CETForecast update in hr min s Forecast update imminent
Belharra surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Belharra sea temperature is
15.4° C
(Which is 1.7°C warmer than normal for this time of year)How big are the waves at Belharra today?
The current surf forecast for Belharra at 3AM is: 4.0m 18s primary swell from a Northwest direction (forecast issued at 12:00am December 13). The wind direction is predicted to be cross-shore.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 11ft (3.5m) | 18s |
| Afternoon (13 Dec) | 11ft (3.5m) | 17s |
| Evening (13 Dec) | 10ft (3.0m) | 16s |
Table - waves today at Belharra. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 9924 | 10394 | 10165 | 9159 | 8323 | 7629 | 6565 | 5083 | 4474 | 4181 | 3086 | 2457 | 2265 | 1811 | 1408 | 1182 | 1288 | 1308 | 1487 | 1590 | 1329 | 1384 | 1151 | 1077 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | glass | glass | glass | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off |
High Tide / height (m) | 11:06PM 2.78 | 11:28AM 2.94 | 12:10AM 2.80 | 12:32PM 2.90 | 1:07AM 2.88 | 1:27PM 2.93 | ||||||||||||||||||
Low Tide / height (m) | 4:57AM 1.12 | 5:40PM 1.01 | 6:03AM 1.13 | 6:37PM 1.01 | 7:02AM 1.06 | |||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:30 | - | - | - | - | - | - | - | 8:30 | - | - | - | - | - | - | - | 8:32 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:30 | - |
 | | | |  | | |  | | | | | | | | | | | |  |  | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 12 | 11 | 11 | 11 | 13 | 13 | 12 | 11 | 10 | 10 | 10 | 10 | 14 | 15 | 13 | 12 | 11 | 11 | 11 | 12 | 15 | 15 | 14 |
| Feels °C (?) | 10 | 10 | 9 | 10 | 10 | 12 | 11 | 11 | 9 | 9 | 8 | 7 | 8 | 12 | 13 | 10 | 9 | 8 | 8 | 8 | 9 | 12 | 12 | 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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