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:
El Sardinero - Segunda surfForecast / Cantabria / Spain
48hr Weather and Surf, issued 6 am Saturday 13 Dec 2025 CETForecast update in hr min s Forecast update imminent
El Sardinero - Segunda surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's El Sardinero - Segunda sea temperature is
15.0° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at El Sardinero - Segunda today?
The current surf forecast for El Sardinero - Segunda at 8AM is: 3.5m 18s primary swell from a Northwest direction (forecast issued at 06:00am December 13). The wind direction is predicted to be cross-offshore and the swell rating is 6.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 11ft (3.5m) | 18s |
| Afternoon (13 Dec) | 10ft (3.0m) | 17s |
| Evening (13 Dec) | 8ft (2.5m) | 16s |
Table - waves today at El Sardinero - Segunda. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| 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) (?) | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 7778 | 7009 | 6293 | 5692 | 4456 | 3792 | 3373 | 2761 | 2144 | 1862 | 1459 | 1236 | 1083 | 1083 | 1280 | 1179 | 1103 | 1052 | 911 | 802 | 732 | 721 | 666 | 813 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | glass | cross- on | cross | cross | cross | cross | cross | glass | on | on | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross | cross | off |
High Tide / height (m) | 11:43AM 3.36 | 12:09AM 3.01 | 12:44PM 3.37 | 1:07AM 3.12 | 1:35PM 3.42 | |||||||||||||||||||
Low Tide / height (m) | 4:56AM 1.41 | 5:58PM 1.53 | 6:07AM 1.40 | 6:59PM 1.46 | 7:08AM 1.33 | 7:47PM 1.34 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| Sunrise | - | - | 8:38 | - | - | - | - | - | - | - | 8:38 | - | - | - | - | - | - | - | 8:40 | - | - | - | - | - |
| Sunset | - | - | - | - | 5:38 | - | - | - | - | - | - | - | 5:38 | - | - | - | - | - | - | - | 5:38 | - | - | - |
 | |  | | |  | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 12 | 12 | 13 | 13 | 12 | 12 | 11 | 11 | 10 | 10 | 12 | 15 | 14 | 12 | 11 | 12 | 12 | 12 | 16 | 16 | 13 | 13 | 12 |
| Feels °C (?) | 10 | 11 | 11 | 13 | 12 | 10 | 11 | 9 | 9 | 8 | 8 | 10 | 13 | 11 | 9 | 8 | 8 | 7 | 7 | 12 | 12 | 10 | 10 | 9 |
- 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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