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:
Tonel surfForecast / Algarve / Portugal
48hr Weather and Surf, issued 5 am Saturday 13 Dec 2025 WETForecast update in hr min s Forecast update imminent
Tonel surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tonel sea temperature is
16.8° C
(Which is slightly cooler than normal)How big are the waves at Tonel today?
The current surf forecast for Tonel at 8AM is: 5.0m 18s primary swell from a Northwest direction and 0.7m 6s secondary swell from a South-southeast direction (forecast issued at 05:00am December 13). An open ocean swell of 1.4m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 15ft (4.5m) | 18s |
| Afternoon (13 Dec) | 13ft (4.0m) | 17s |
| Evening (13 Dec) | 11ft (3.5m) | 16s |
Table - waves today at Tonel. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| 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 | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 16215 | 14826 | 13379 | 11572 | 9599 | 7084 | 5727 | 4891 | 3484 | 2903 | 2606 | 2197 | 1730 | 1498 | 1632 | 1858 | 2141 | 1950 | 1944 | 1834 | 1575 | 1643 | 1363 | 1170 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | cross- off | cross- off | cross- off | off | cross- off | cross- off | off | cross- off | glass | cross- on | cross- on | glass | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on |
High Tide / height (m) | 9:14AM 2.24 | 9:59PM 2.12 | 10:16AM 2.21 | 10:54PM 2.20 | 11:12AM 2.23 | 11:41PM 2.30 | ||||||||||||||||||
Low Tide / height (m) | 2:54AM 0.93 | 3:42PM 0.79 | 4:03AM 0.91 | 4:37PM 0.77 | 5:02AM 0.85 | 5:24PM 0.73 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| Sunrise | - | - | 7:39 | - | - | - | - | - | - | - | 7:39 | - | - | - | - | - | - | - | 7:41 | - | - | - | - | - |
| Sunset | - | - | - | - | 5:19 | - | - | - | - | - | - | - | 5:19 | - | - | - | - | - | - | - | 5:19 | - | - | - |
 | |  |  | |  | | | | | | | |  | |  | | |  | | | |  | | |
Rain (mm) | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 13 | 5 |
| Temp. °C | 15 | 15 | 15 | 17 | 18 | 18 | 18 | 16 | 15 | 14 | 15 | 16 | 16 | 16 | 16 | 16 | 15 | 16 | 16 | 16 | 16 | 14 | 14 | 13 |
| Feels °C (?) | 8 | 8 | 9 | 11 | 14 | 14 | 13 | 11 | 11 | 11 | 12 | 14 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 11 | 11 | 9 | 6 | 7 |
- 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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