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 am Friday 12 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
21.5° 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 11AM is: 2.5m 7s primary swell from a North-northwest direction and 0.9m 14s secondary swell from a West-northwest direction, 0.7m 19s secondary swell from a Northwest direction (forecast issued at 05:00am December 12). The wind direction is predicted to be onshore.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 5ft (1.6m) | 13s |
| Afternoon (12 Dec) | 4ft (1.2m) | 19s |
| Evening (12 Dec) | 7ft (2.2m) | 18s |
Table - waves today at Los dos Hermanos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| 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 | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 7 | 19 | 9 | 18 | 19 | 20 | 19 | 18 | 18 | 17 | 17 | 12 | 12 | 16 | 15 | 14 | 14 | 14 | 14 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 781 | 643 | 878 | 561 | 933 | 1764 | 3352 | 4183 | 9140 | 28684 | 28715 | 26287 | 23746 | 22072 | 11516 | 11213 | 9615 | 7408 | 5265 | 4112 | 3399 | 2662 | 1999 | 1753 |
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 | on | on | on | on | cross- on | on | cross- on | on | cross- on | on | on | on | cross- on | on | on | on |
High Tide / height (m) | 7:10AM 1.69 | 8:02PM 1.48 | 8:17AM 1.62 | 9:06PM 1.52 | 9:20AM 1.60 | 10:01PM 1.59 | ||||||||||||||||||
Low Tide / height (m) | 1:46PM 0.56 | 1:58AM 0.71 | 2:48PM 0.58 | 3:09AM 0.69 | 3:43PM 0.56 | |||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| Sunrise | - | - | 7:47 | - | - | - | - | - | - | - | 7:48 | - | - | - | - | - | - | - | 7:48 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 6:08 | - | - | - | - | - | - | - | 6:08 | - | - | - | - | - | - | - | 6:08 | - | - |
 |  |  | |  |  | | |  |  | |  | | |  |  | | | | | | | | | |
Rain (mm) | - | - | 1 | 2 | - | 1 | - | - | 3 | 3 | 2 | 3 | 3 | 2 | 3 | 6 | 10 | 3 | 2 | 1 | 1 | 1 | 2 | 1 |
| Temp. °C | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 19 | 18 | 18 | 18 | 19 | 19 |
| Feels °C (?) | 15 | 14 | 14 | 12 | 12 | 8 | 8 | 6 | 8 | 6 | 5 | 7 | 9 | 9 | 9 | 11 | 13 | 14 | 16 | 15 | 16 | 15 | 16 | 16 |
- 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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