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:
La Santa - The Slab surfForecast / Lanzarote / Spain
48hr Weather and Surf, issued 5 am Thursday 11 Dec 2025 WETForecast update in hr min s Forecast update imminent
La Santa - The Slab surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's La Santa - The Slab sea temperature is
20.9° C
(Which is slightly warmer than usual)How big are the waves at La Santa - The Slab today?
The current surf forecast for La Santa - The Slab at 8AM is: 2.5m 13s primary swell from a Northwest direction and 1.2m 14s secondary swell from a North direction (forecast issued at 05:00am December 11). The wind direction is predicted to be cross-offshore.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 8ft (2.5m) | 13s |
| Afternoon (11 Dec) | 7ft (2.1m) | 14s |
| Evening (11 Dec) | 6.5ft (2.0m) | 13s |
Table - waves today at La Santa - The Slab. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| 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 | 13 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 18 | 18 | 19 | 18 | 21 | 20 | 19 | 18 | 12 | 12 | 17 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2204 | 2042 | 1977 | 1807 | 1647 | 1599 | 1384 | 1155 | 1026 | 865 | 757 | 585 | 486 | 989 | 1879 | 3651 | 7211 | 7754 | 22120 | 7259 | 6809 | 6987 | 6680 | 8181 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross | cross- on | cross- on | cross | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross- off | cross- off |
High Tide / height (m) | 6:59PM 1.75 | 7:18AM 1.95 | 8:07PM 1.73 | 8:24AM 1.87 | 9:12PM 1.76 | |||||||||||||||||||
Low Tide / height (m) | 12:44PM 0.58 | 12:50AM 0.76 | 1:50PM 0.66 | 2:04AM 0.81 | 2:53PM 0.68 | |||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| Sunrise | - | - | 7:37 | - | - | - | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:39 | - | - | - | - | - |
| Sunset | - | - | - | - | 5:57 | - | - | - | - | - | - | - | 5:57 | - | - | - | - | - | - | - | 5:57 | - | - | - |
 | |  | | |  | |  | | |  |  |  |  | |  | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 7 | 1 | 2 | 2 | 1 | - | - |
| Temp. °C | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 |
| Feels °C (?) | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 16 | 15 | 15 | 12 | 11 | 7 | 6 | 5 | 5 | 5 | 5 | 6 | 9 | 11 | 13 | 14 |
- 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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