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:
Rocha Negra surfForecast / Algarve / Portugal
48hr Weather and Surf, issued 5 am Thursday 11 Dec 2025 WETForecast update in hr min s Forecast update imminent
Rocha Negra surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rocha Negra sea temperature is
16.8° C
(Which is slightly cooler than normal)How big are the waves at Rocha Negra today?
The current surf forecast for Rocha Negra at 12PM is: 2.3m 13s primary swell from a West-northwest direction and 0.4m 5s secondary swell from a East-southeast direction (forecast issued at 05:00am December 11). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 8ft (2.5m) | 13s |
| Afternoon (11 Dec) | 7ft (2.2m) | 13s |
| Evening (11 Dec) | 6ft (1.8m) | 13s |
Table - waves today at Rocha Negra. (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 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 16 | 17 | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2199 | 2318 | 2187 | 1872 | 1624 | 1317 | 1028 | 938 | 1106 | 1229 | 1336 | 1365 | 5210 | 7001 | 9469 | 9970 | 9201 | 8388 | 7628 | 6790 | 5589 | 4116 | 3412 | 2887 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | glass | cross- on | on | on | glass | cross- on | cross | cross- on | on | on | cross- on | cross | cross- on | cross | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off |
High Tide / height (m) | 7:03AM 2.91 | 7:49PM 2.58 | 8:09AM 2.79 | 8:57PM 2.55 | 9:17AM 2.72 | 10:01PM 2.59 | ||||||||||||||||||
Low Tide / height (m) | 12:39AM 1.26 | 1:37PM 1.14 | 1:49AM 1.36 | 2:47PM 1.22 | 3:03AM 1.39 | 3:51PM 1.23 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| Sunrise | - | - | 7:37 | - | - | - | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:39 | - | - | - | - | - |
| Sunset | - | - | - | - | 5:16 | - | - | - | - | - | - | - | 5:17 | - | - | - | - | - | - | - | 5:17 | - | - | - |
 | |  |  | |  |  | | | |  | | | | |  | | | |  | |  | | | |
Rain (mm) | - | - | - | - | - | 1 | - | 1 | - | 2 | 5 | 3 | 2 | 1 | - | 3 | 1 | - | - | - | - | - | - | - |
| Temp. °C | 13 | 12 | 13 | 15 | 15 | 15 | 15 | 14 | 14 | 12 | 12 | 13 | 13 | 14 | 13 | 14 | 13 | 13 | 14 | 16 | 18 | 16 | 15 | 15 |
| Feels °C (?) | 11 | 10 | 12 | 15 | 13 | 14 | 14 | 14 | 13 | 9 | 9 | 10 | 10 | 9 | 8 | 9 | 8 | 9 | 10 | 12 | 14 | 13 | 11 | 11 |
- 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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