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 pm Friday 12 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
15.3° C
(Which is 1.5°C warmer than normal for this time of year)How big are the waves at Deba today?
The current surf forecast for Deba at 1AM is: 4.0m 18s primary swell from a Northwest direction (forecast issued at 06:00pm December 12). The wind direction is predicted to be offshore and the swell rating is 9.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 13ft (4.0m) | 18s |
| Afternoon (13 Dec) | 11ft (3.5m) | 17s |
| Evening (13 Dec) | 10ft (3.0m) | 16s |
Table - waves today at Deba. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| 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 | 4 AM | 7 AM | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 20 | 19 | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4090 | 3470 | 10115 | 11132 | 10360 | 9050 | 8311 | 7866 | 6473 | 5011 | 4461 | 3784 | 2856 | 2416 | 2114 | 1680 | 1299 | 1182 | 1288 | 1299 | 1367 | 1444 | 1309 | 1151 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | off | off | off | off | glass | glass | cross- on | cross- off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide / height (m) | 11:06PM 2.76 | 11:28AM 2.92 | 12:10AM 2.78 | 12:31PM 2.89 | 1:06AM 2.87 | |||||||||||||||||||
Low Tide / height (m) | 4:38PM 0.94 | 4:57AM 1.12 | 5:40PM 1.00 | 6:04AM 1.12 | 6:37PM 1.00 | 7:03AM 1.05 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:32 | - | - | - | - | - | - | - | 8:33 | - | - | - | - | - | - | - | 8:33 | - |
| Sunset | 5:32 | - | - | - | - | - | - | - | 5:32 | - | - | - | - | - | - | - | 5:32 | - | - | - | - | - | - | - |
 |  | |  | | |  | | | | | | | | | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 12 | 11 | 11 | 10 | 10 | 11 | 14 | 13 | 11 | 10 | 10 | 9 | 9 | 10 | 15 | 15 | 11 | 10 | 10 | 11 | 11 | 12 | 15 |
| Feels °C (?) | 14 | 11 | 9 | 9 | 8 | 8 | 10 | 13 | 11 | 10 | 8 | 9 | 7 | 6 | 7 | 13 | 12 | 7 | 6 | 6 | 7 | 7 | 9 | 12 |
- 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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