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:
Los dos Hermanos surfForecast / Tenerife / Spain
48hr Weather and Surf, issued 5 pm Wednesday 10 Dec 2025 WETForecast update in hr min s Forecast update imminent
Los dos Hermanos surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Los dos Hermanos sea temperature is
21.6° C
(Which is slightly warmer than usual)How big are the waves at Los dos Hermanos today?
The current surf forecast for Los dos Hermanos at 11PM is: 2.5m 13s primary swell from a North-northwest direction and 1.2m 6s secondary swell from a Northeast direction (forecast issued at 05:00pm December 10). An open ocean swell of 0.1m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | - | - |
| Afternoon (10 Dec) | 6.5ft (2.0m) | 12s |
| Evening (10 Dec) | 8ft (2.5m) | 13s |
Table - waves today at Los dos Hermanos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 19 | 19 | 18 | 19 | 20 | 19 | 18 | 18 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1225 | 2695 | 2000 | 2347 | 2347 | 2278 | 2098 | 1876 | 1760 | 1533 | 1326 | 1120 | 946 | 799 | 690 | 628 | 933 | 1764 | 3611 | 4477 | 9778 | 16914 | 21508 | 22694 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | cross- on | cross- on | on | on | on | on | on | on | on | on |
High Tide / height (m) | 5:48PM 1.56 | 6:05AM 1.79 | 6:53PM 1.50 | 7:10AM 1.69 | 8:02PM 1.48 | 8:17AM 1.62 | ||||||||||||||||||
Low Tide / height (m) | 11:37PM 0.58 | 12:40PM 0.50 | 12:44AM 0.67 | 1:46PM 0.56 | 1:58AM 0.71 | |||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:47 | - | - | - | - | - | - | - | 7:47 | - | - | - | - | - | - | - | 7:48 | - |
| Sunset | - | 6:07 | - | - | - | - | - | - | - | 6:08 | - | - | - | - | - | - | - | 6:08 | - | - | - | - | - | - |
 |  |  | | | |  | | | |  | |  | | |  |  | |  | | |  |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 | 1 | 1 | 1 | 2 | 3 | 4 | 3 |
| Temp. °C | 19 | 19 | 18 | 18 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 18 |
| Feels °C (?) | 15 | 16 | 15 | 15 | 14 | 15 | 14 | 15 | 16 | 16 | 16 | 15 | 17 | 16 | 15 | 14 | 12 | 13 | 9 | 8 | 9 | 8 | 8 | 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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