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:
Zavial surfForecast / Algarve / Portugal
48hr Weather and Surf, issued 11 pm Thursday 11 Dec 2025 WETForecast update in hr min s Forecast update imminent
Zavial surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Zavial sea temperature is
17.0° C
(Which is slightly cooler than normal)How big are the waves at Zavial today?
The current surf forecast for Zavial at 6AM is: 1.9m 13s primary swell from a West-northwest direction and 0.9m 19s secondary swell from a West-northwest direction (forecast issued at 11:00pm December 11). The wind direction is predicted to be cross-shore.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 6.5ft (2.0m) | 13s |
| Afternoon (12 Dec) | 7ft (2.2m) | 16s |
| Evening (12 Dec) | 13ft (4.0m) | 19s |
Table - waves today at Zavial. (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 | 17 | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1028 | 938 | 1106 | 1229 | 1336 | 1712 | 2553 | 6485 | 9743 | 9314 | 9343 | 8533 | 7468 | 6555 | 5451 | 3951 | 3412 | 2787 | 2090 | 1624 | 1484 | 1212 | 958 | 812 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- on | cross | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- on | cross- off | cross | cross | cross | cross- off | cross | cross- on | on | glass |
High Tide / height (m) | 7:47PM 2.13 | 8:07AM 2.34 | 8:54PM 2.09 | 9:13AM 2.25 | 9:58PM 2.13 | 10:15AM 2.22 | ||||||||||||||||||
Low Tide / height (m) | 1:41AM 0.88 | 2:37PM 0.76 | 2:53AM 0.94 | 3:40PM 0.80 | 4:02AM 0.92 | 4:35PM 0.79 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:39 | - | - | - | - | - | - | - | 7:39 | - | - | - | - | - | - | - | 7:39 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:17 | - | - | - | - | - | - | - | 5:19 | - | - | - | - | - | - | - | 5:19 | - |
 | |  | |  |  | | | | | |  |  |  | |  | | | | |  | | | | |
Rain (mm) | 1 | 1 | - | 2 | 9 | 2 | 1 | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 14 | 15 | 14 | 13 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 17 | 18 | 17 | 16 | 15 | 15 | 14 | 14 | 15 | 15 | 16 |
| Feels °C (?) | 14 | 12 | 13 | 10 | 7 | 8 | 11 | 7 | 8 | 8 | 9 | 8 | 10 | 11 | 14 | 13 | 11 | 11 | 12 | 11 | 11 | 13 | 13 | 15 |
- 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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