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 5 pm Wednesday 10 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
16.9° C
(Which is slightly cooler than normal)How big are the waves at Zavial today?
The current surf forecast for Zavial at 10PM is: 2.5m 13s primary swell from a West-northwest direction (forecast issued at 05:00pm December 10). The wind direction is predicted to be cross-offshore.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | - | - |
| Afternoon (10 Dec) | 10ft (3.0m) | 13s |
| Evening (10 Dec) | 8ft (2.5m) | 12s |
Table - waves today at Zavial. (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 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 16 | 18 | 19 | 18 | 18 | 18 | 18 | 17 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2640 | 2217 | 1991 | 2090 | 2199 | 2154 | 2026 | 1872 | 1488 | 1317 | 1028 | 953 | 1144 | 1339 | 1323 | 1316 | 4963 | 8305 | 7158 | 10069 | 9201 | 7981 | 7716 | 6790 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- on | cross- on | on | on | on | cross- on | cross- on | cross | cross | cross- on | cross | cross | cross | cross | cross- on | cross | cross | cross |
High Tide / height (m) | 6:44PM 2.23 | 7:03AM 2.48 | 7:47PM 2.13 | 8:07AM 2.34 | 8:54PM 2.09 | 9:13AM 2.25 | ||||||||||||||||||
Low Tide / height (m) | 12:29PM 0.53 | 12:35AM 0.75 | 1:32PM 0.67 | 1:41AM 0.88 | 2:37PM 0.76 | 2:53AM 0.94 | ||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:39 | - | - | - | - | - | - | - | 7:39 | - |
| Sunset | 5:17 | - | - | - | - | - | - | - | 5:17 | - | - | - | - | - | - | - | 5:17 | - | - | - | - | - | - | - |
 |  | |  | | | | | | |  | | | |  |  | | | | | |  |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 5 | 6 | 2 | 1 | 2 | 1 | 1 | 1 | - | - | - |
| Temp. °C | 15 | 15 | 15 | 14 | 13 | 13 | 14 | 15 | 15 | 15 | 15 | 15 | 14 | 13 | 12 | 14 | 14 | 14 | 14 | 13 | 14 | 14 | 14 | 16 |
| Feels °C (?) | 10 | 10 | 11 | 10 | 9 | 11 | 11 | 12 | 12 | 13 | 13 | 13 | 12 | 10 | 8 | 11 | 12 | 10 | 9 | 8 | 10 | 10 | 9 | 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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