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 Sunday 14 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
16.2° C
(Which is 1.2°C colder than average for this time of year)How big are the waves at Arrifana today?
The current surf forecast for Arrifana at 4AM is: 2.3m 14s primary swell from a West-northwest direction (forecast issued at 11:00pm December 14). An open ocean swell of 0.4m 7s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 4.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 8ft (2.4m) | 13s |
| Afternoon (15 Dec) | 7.5ft (2.3m) | 13s |
| Evening (15 Dec) | 8ft (2.5m) | 13s |
Table - waves today at Arrifana. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||||||||||||
| 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 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 10 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1659 | 1922 | 2031 | 2122 | 1979 | 1876 | 1783 | 1585 | 2440 | 2976 | 2681 | 4146 | 8119 | 11500 | 13008 | 13241 | 11264 | 9294 | 7606 | 6259 | 5246 | 4369 | 3468 | 2842 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | glass | glass | glass | on | on | on | on | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 10:57PM 2.18 | 11:15AM 2.22 | 11:44PM 2.28 | 12:03PM 2.27 | 12:26AM 2.39 | 12:45PM 2.33 | ||||||||||||||||||
Low Tide / height (m) | 5:05AM 0.84 | 5:28PM 0.72 | 5:54AM 0.74 | 6:09PM 0.67 | 6:36AM 0.64 | |||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:41 | - | - | - | - | - | - | - | 7:41 | - | - | - | - | - | - | - | 7:43 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:17 | - | - | - | - | - | - | - | 5:19 | - | - | - | - | - | - | - | 5:19 | - |
 | | |  |  |  | |  |  |  | | |  | |  |  | |  | | |  | |  | | |
Rain (mm) | - | - | - | - | - | 1 | 1 | 2 | 5 | 9 | 1 | 2 | 4 | 3 | 1 | 1 | 1 | - | - | - | - | - | - | - |
| Temp. °C | 15 | 15 | 15 | 14 | 15 | 16 | 16 | 14 | 12 | 13 | 13 | 13 | 12 | 13 | 13 | 13 | 13 | 13 | 12 | 11 | 11 | 14 | 15 | 14 |
| Feels °C (?) | 13 | 14 | 15 | 13 | 14 | 14 | 13 | 10 | 5 | 5 | 4 | 3 | 1 | 1 | 1 | 2 | 4 | 6 | 6 | 6 | 7 | 10 | 10 | 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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