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:
La Concha surfForecast / Pais Vasco / Spain
48hr Weather and Surf, issued 6 am Monday 15 Dec 2025 CETForecast update in hr min s Forecast update imminent
La Concha surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's La Concha sea temperature is
15.1° C
(Which is 1.5°C warmer than normal for this time of year)How big are the waves at La Concha today?
The current surf forecast for La Concha at 10AM is: 2.1m 13s primary swell from a West-northwest direction (forecast issued at 06:00am December 15). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 7ft (2.1m) | 13s |
| Afternoon (15 Dec) | 6ft (1.9m) | 13s |
| Evening (15 Dec) | 6ft (1.8m) | 13s |
Table - waves today at La Concha. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thu 18 | |||||||||||||||||||||
| 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 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1614 | 1590 | 1471 | 1264 | 1151 | 1077 | 1077 | 1012 | 1013 | 2864 | 2547 | 2655 | 2763 | 2620 | 2842 | 2803 | 2883 | 2670 | 2633 | 2290 | 1922 | 1778 | 1623 | 1288 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | off | off | off | off | glass | glass | cross- on | cross- on | glass | cross- on | cross | cross | cross- on | cross- on | cross- on | glass | cross- off | cross- off | off |
High Tide / height (m) | 1:27PM 2.93 | 1:55AM 2.99 | 2:15PM 3.00 | 2:36AM 3.12 | 2:57PM 3.09 | |||||||||||||||||||
Low Tide / height (m) | 7:03AM 1.06 | 7:28PM 0.96 | 7:53AM 0.95 | 8:12PM 0.88 | 8:37AM 0.82 | 8:53PM 0.79 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thu 18 | |||||||||||||||||||||
| Sunrise | - | - | 8:33 | - | - | - | - | - | - | - | 8:33 | - | - | - | - | - | - | - | 8:33 | - | - | - | - | - |
| Sunset | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:32 | - | - | - | - | - | - | - | 5:32 | - | - | - |
 |  |  |  | | |  | | | |  | |  |  |  | | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - |
| Temp. °C | 13 | 14 | 14 | 15 | 15 | 14 | 13 | 12 | 12 | 12 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 11 | 10 | 10 |
| Feels °C (?) | 9 | 10 | 10 | 11 | 12 | 11 | 10 | 10 | 10 | 11 | 12 | 12 | 12 | 11 | 11 | 10 | 11 | 9 | 11 | 11 | 12 | 9 | 8 | 7 |
- 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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