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 11 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 4AM is: 2.2m 13s primary swell from a West direction (forecast issued at 11:00pm December 10). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 6.5ft (2.0m) | 13s |
| Afternoon (11 Dec) | 6ft (1.8m) | 13s |
| Evening (11 Dec) | 5ft (1.5m) | 13s |
Table - waves today at Alfagar. (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 | 14 | 14 | 13 | 16 | 16 | 18 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1510 | 1510 | 1579 | 1487 | 1391 | 1256 | 1077 | 826 | 704 | 623 | 808 | 1048 | 943 | 1068 | 3301 | 3938 | 6983 | 7714 | 6334 | 6194 | 5555 | 4748 | 3921 | 2770 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | cross- off | cross | cross | cross- on | cross- on | cross- on | glass | cross- on | cross- on | on | cross | cross- on | glass | cross- off | cross- off | cross- off | cross | cross- off | 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) | 12:32AM 0.76 | 1:29PM 0.67 | 1:38AM 0.88 | 2:35PM 0.77 | 2:50AM 0.94 | 3:38PM 0.80 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:35 | - | - | - | - | - | - | - | 7:35 | - | - | - | - | - | - | - | 7:37 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - |
 |  | |  |  | | | | | |  | |  | | | | | | | |  | | | | |
Rain (mm) | - | - | - | 1 | - | - | - | - | - | - | 1 | 1 | 4 | 3 | 3 | 1 | - | 3 | 2 | - | - | - | - | - |
| Temp. °C | 13 | 13 | 13 | 14 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 12 | 13 | 13 | 13 | 12 | 12 | 13 | 14 | 14 | 17 | 18 | 17 |
| Feels °C (?) | 10 | 10 | 10 | 12 | 13 | 12 | 12 | 13 | 14 | 13 | 13 | 13 | 9 | 12 | 13 | 10 | 9 | 10 | 9 | 10 | 10 | 12 | 13 | 14 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
Buy Less, Surf More This Black Friday
Surf-forecast is providing a free, all-access pass to our premium features and 12-day forecasts all weekend.
Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.
Previously used in our snow jackets for mountain conditions, PrimaLoft® technology is making its debut in the surf industry. The aim is to bring mountain-grade warmth to the waves.
Vancouver Island’s Day Of Days With Reed Platenius
Surf-Forecast recently helped the 21-year-old Canadian pro surfer and adventurer score some cold water perfection at home.
Read more
Discover more articles and updates in the Greenroom.
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Alfagar surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest