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 Thursday 11 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 5AM is: 2.4m 13s primary swell from a West-northwest direction and 1.1m 19s secondary swell from a Northwest direction, 0.4m 4s secondary swell from a South-southeast direction (forecast issued at 11:00pm December 11). The wind direction is predicted to be cross-onshore.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 8ft (2.5m) | 13s |
| Afternoon (12 Dec) | 13ft (4.0m) | 16s |
| Evening (12 Dec) | 16ft (5.0m) | 19s |
Table - waves today at Arrifana. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| 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 | 16 | 18 | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 14 | 14 | 14 | 14 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1573 | 1528 | 1905 | 1930 | 1966 | 2539 | 8928 | 14180 | 17461 | 17664 | 16712 | 14638 | 13042 | 11143 | 9104 | 7163 | 5921 | 4885 | 3326 | 2967 | 2471 | 2020 | 1659 | 1541 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | cross- on | cross- on | cross | cross- on | cross- on | cross- off | cross- off | cross- off | off | cross- off | off | off | off | off | off | off | off | off | cross- off | cross- off | glass | glass |
High Tide / height (m) | 7:52PM 2.10 | 8:12AM 2.32 | 8:58PM 2.07 | 9:17AM 2.23 | 10:02PM 2.10 | 10:20AM 2.20 | ||||||||||||||||||
Low Tide / height (m) | 1:45AM 0.85 | 2:42PM 0.75 | 2:57AM 0.92 | 3:45PM 0.78 | 4:06AM 0.90 | 4:40PM 0.77 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:39 | - | - | - | - | - | - | - | 7:39 | - | - | - | - | - | - | - | 7:41 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:17 | - | - | - | - | - | - | - | 5:17 | - | - | - | - | - | - | - | 5:17 | - |
 |  | | |  |  |  | | | | |  | |  | | | |  | | |  | | | | |
Rain (mm) | - | 1 | - | 3 | 8 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 14 | 14 | 13 | 12 | 14 | 15 | 13 | 12 | 12 | 13 | 13 | 13 | 17 | 18 | 16 | 14 | 14 | 13 | 12 | 13 | 16 | 17 | 15 |
| Feels °C (?) | 14 | 14 | 13 | 11 | 7 | 9 | 11 | 8 | 7 | 9 | 10 | 9 | 9 | 13 | 15 | 13 | 10 | 11 | 10 | 9 | 11 | 14 | 16 | 14 |
- 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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