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:
Bidart surfForecast / La Cote Basque / France
48hr Weather and Surf, issued 6 am Wednesday 17 Dec 2025 CETForecast update in hr min s Forecast update imminent
Bidart surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Bidart sea temperature is
14.8° C
(Which is 1.4°C warmer than normal for this time of year)How big are the waves at Bidart today?
The current surf forecast for Bidart at 10AM is: 2.5m 14s primary swell from a West-northwest direction (forecast issued at 06:00am December 17). The wind direction is predicted to be onshore.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 8ft (2.5m) | 14s |
| Afternoon (17 Dec) | 7.5ft (2.3m) | 14s |
| Evening (17 Dec) | 7ft (2.1m) | 13s |
Table - waves today at Bidart. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| 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 | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 22 | 21 | 20 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2480 | 2618 | 2378 | 2311 | 1973 | 1697 | 1520 | 1151 | 972 | 904 | 1022 | 4836 | 12419 | 13218 | 12555 | 12295 | 9982 | 9451 | 8941 | 8453 | 8133 | 7851 | 7667 | 8092 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | on | glass | glass | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross | cross | cross | cross- on | on | cross- on | cross- on |
High Tide / height (m) | 2:37AM 3.13 | 2:57PM 3.11 | 3:15AM 3.26 | 3:36PM 3.20 | 3:51AM 3.37 | 4:12PM 3.27 | ||||||||||||||||||
Low Tide / height (m) | 8:38AM 0.82 | 8:54PM 0.80 | 9:18AM 0.70 | 9:32PM 0.71 | 9:57AM 0.60 | 10:10PM 0.64 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| Sunrise | - | - | 8:33 | - | - | - | - | - | - | - | 8:33 | - | - | - | - | - | - | - | 8:33 | - | - | - | - | - |
| Sunset | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - | - |
 |  |  |  |  |  | | | | | | | | | | | | | | | |  |  | | |
Rain (mm) | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 2 | 4 | 6 | 4 | 2 |
| Temp. °C | 12 | 13 | 13 | 13 | 13 | 12 | 13 | 13 | 13 | 12 | 12 | 16 | 16 | 16 | 15 | 15 | 14 | 13 | 12 | 12 | 11 | 11 | 11 | 11 |
| Feels °C (?) | 9 | 11 | 12 | 12 | 12 | 10 | 11 | 10 | 10 | 8 | 9 | 12 | 12 | 12 | 11 | 12 | 11 | 11 | 10 | 10 | 9 | 8 | 9 | 10 |
- 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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