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:
Deba surfForecast / Pais Vasco / Spain
48hr Weather and Surf, issued 6 am Thursday 11 Dec 2025 CETForecast update in hr min s Forecast update imminent
Deba surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Deba sea temperature is
15.4° C
(Which is 1.6°C warmer than normal for this time of year)How big are the waves at Deba today?
The current surf forecast for Deba at 10AM is: 2.2m 15s primary swell from a West-northwest direction (forecast issued at 06:00am December 11). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 7ft (2.2m) | 15s |
| Afternoon (11 Dec) | 7ft (2.2m) | 14s |
| Evening (11 Dec) | 6ft (1.9m) | 13s |
Table - waves today at Deba. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| 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) (?) | 13 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 14 | 18 | 17 | 16 | 20 | 19 | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1162 | 2151 | 2198 | 2212 | 1969 | 1487 | 1110 | 996 | 760 | 1700 | 1822 | 2465 | 4090 | 3440 | 10994 | 11717 | 11010 | 9442 | 8581 | 8133 | 7024 | 5469 | 4645 | 4175 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | off | off | off | off | off | off | off | off | cross- off | glass | on | glass | glass | glass | cross- off | off | off | glass | glass | glass | glass | off |
High Tide / height (m) | 9:17AM 3.22 | 9:59PM 2.83 | 10:21AM 3.04 | 11:06PM 2.76 | 11:28AM 2.92 | 12:10AM 2.78 | ||||||||||||||||||
Low Tide / height (m) | 2:47AM 0.86 | 3:34PM 0.81 | 3:50AM 1.03 | 4:38PM 0.94 | 4:57AM 1.12 | 5:40PM 1.00 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| Sunrise | - | - | 8:30 | - | - | - | - | - | - | - | 8:30 | - | - | - | - | - | - | - | 8:32 | - | - | - | - | - |
| Sunset | - | - | - | - | 5:32 | - | - | - | - | - | - | - | 5:32 | - | - | - | - | - | - | - | 5:32 | - | - | - |
 | |  | |  |  | | | |  | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 11 | 12 | 15 | 15 | 13 | 12 | 12 | 12 | 11 | 12 | 14 | 14 | 13 | 12 | 12 | 11 | 10 | 11 | 13 | 13 | 12 | 10 | 9 |
| Feels °C (?) | 11 | 9 | 9 | 12 | 12 | 10 | 8 | 8 | 8 | 7 | 10 | 14 | 13 | 13 | 12 | 11 | 10 | 8 | 10 | 12 | 13 | 11 | 9 | 7 |
- 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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