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:
Alfagar surfForecast / Algarve / Portugal
48hr Weather and Surf, issued 5 pm Wednesday 10 Dec 2025 WETForecast update in hr min s Forecast update imminent
Alfagar surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Alfagar sea temperature is
16.4° C
(Which is 1.2°C colder than average for this time of year)How big are the waves at Alfagar today?
The current surf forecast for Alfagar at 10PM is: 2.2m 13s primary swell from a West direction (forecast issued at 05:00pm December 10). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | - | - |
| Afternoon (10 Dec) | 8ft (2.4m) | 13s |
| Evening (10 Dec) | 7ft (2.2m) | 13s |
Table - waves today at Alfagar. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| 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 | 3 AM | 6 AM | 9 AM | 12 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 | 14 | 13 | 17 | 16 | 18 | 19 | 19 | 18 | 18 | 18 | 17 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1892 | 1712 | 1510 | 1510 | 1579 | 1487 | 1391 | 1237 | 1077 | 826 | 704 | 633 | 796 | 915 | 928 | 962 | 2347 | 3845 | 7424 | 7631 | 6734 | 6194 | 5555 | 4748 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | off | off | cross- off | cross- off | cross | cross | cross- on | cross | cross | cross- on | cross- on | on | cross | cross- on | cross | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 6:41PM 2.24 | 7:01AM 2.48 | 7:45PM 2.13 | 8:05AM 2.34 | 8:52PM 2.10 | 9:11AM 2.25 | ||||||||||||||||||
Low Tide / height (m) | 12:26PM 0.53 | 12:32AM 0.76 | 1:29PM 0.67 | 1:38AM 0.88 | 2:35PM 0.77 | 2:50AM 0.94 | ||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:35 | - | - | - | - | - | - | - | 7:35 | - | - | - | - | - | - | - | 7:37 | - |
| Sunset | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - |
 |  | | |  | | | | |  | | | |  |  | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 4 | 3 | 1 | 3 | 3 | 2 | 1 | - | - | - |
| Temp. °C | 16 | 13 | 13 | 13 | 13 | 14 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 14 | 13 | 13 | 14 | 14 | 13 | 14 | 16 |
| Feels °C (?) | 12 | 9 | 9 | 9 | 10 | 11 | 11 | 12 | 13 | 13 | 13 | 13 | 12 | 13 | 11 | 10 | 13 | 11 | 10 | 11 | 12 | 10 | 10 | 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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