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:
Arrifana surfForecast / Algarve / Portugal
48hr Weather and Surf, issued 11 pm Wednesday 10 Dec 2025 WETForecast update in hr min s Forecast update imminent
Arrifana surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Arrifana sea temperature is
16.6° C
(Which is slightly cooler than normal)How big are the waves at Arrifana today?
The current surf forecast for Arrifana at 4AM is: 3.0m 13s primary swell from a West-northwest direction (forecast issued at 11:00pm December 10). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 10ft (3.0m) | 13s |
| Afternoon (11 Dec) | 8ft (2.5m) | 13s |
| Evening (11 Dec) | 7ft (2.2m) | 13s |
Table - waves today at Arrifana. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | ||||||||||||||||||||||
| 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 | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 16 | 16 | 18 | 19 | 18 | 18 | 18 | 18 | 17 | 17 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3090 | 3264 | 3543 | 3399 | 3359 | 3024 | 2507 | 1939 | 1573 | 1528 | 1905 | 2117 | 1875 | 2347 | 7740 | 14294 | 19401 | 18734 | 16598 | 15855 | 13841 | 11863 | 9358 | 7386 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | off | cross- off | cross | cross | cross | cross | glass | cross | on | cross- on | cross | cross- off | off | off | off | off | cross- off | off | off | off | off |
High Tide / height (m) | 6:48PM 2.21 | 7:08AM 2.46 | 7:52PM 2.10 | 8:12AM 2.32 | 8:58PM 2.07 | 9:17AM 2.23 | ||||||||||||||||||
Low Tide / height (m) | 12:40AM 0.73 | 1:37PM 0.65 | 1:45AM 0.85 | 2:42PM 0.75 | 2:57AM 0.92 | 3:45PM 0.78 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:39 | - | - | - | - | - | - | - | 7:39 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:16 | - | - | - | - | - | - | - | 5:17 | - | - | - | - | - | - | - | 5:17 | - |
 | | |  |  | | | |  |  | | |  |  | | | | |  | |  | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | 1 | - | 1 | 6 | 4 | 4 | 5 | 3 | - | 1 | - | - | - | - | - |
| Temp. °C | 14 | 13 | 12 | 13 | 13 | 16 | 16 | 14 | 14 | 14 | 14 | 13 | 11 | 13 | 13 | 13 | 12 | 12 | 12 | 13 | 13 | 16 | 18 | 16 |
| Feels °C (?) | 11 | 10 | 9 | 11 | 12 | 14 | 13 | 12 | 13 | 14 | 12 | 10 | 8 | 11 | 11 | 10 | 8 | 8 | 9 | 10 | 9 | 12 | 14 | 12 |
- 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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