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:
Troia surfForecast / Alentejo / Portugal
48hr Weather and Surf, issued 11 pm Saturday 13 Dec 2025 WETForecast update in hr min s Forecast update imminent
Troia surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Troia sea temperature is
16.4° C
(Which is normal for this time of year)How big are the waves at Troia today?
The current surf forecast for Troia at 4AM is: 0.1m 12s primary swell from a South direction (forecast issued at 11:00pm December 13). An open ocean swell of 1.9m 14s is not directed at the surf break, a second open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 0.5ft (0.1m) | 12s |
| Afternoon (14 Dec) | - | - |
| Evening (14 Dec) | - | - |
Table - waves today at Troia. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||||||||||||
| 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) (?) | 16 | 15 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 3 | 5 | 13 | 13 | 10 | 10 | 10 | 12 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 0 | 0 | 3 | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | off | off | off | off | cross- off | off | glass | cross- on | on | on | cross- on | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 10:07PM 2.09 | 10:25AM 2.18 | 11:02PM 2.16 | 11:20AM 2.20 | 11:49PM 2.26 | 12:08PM 2.25 | ||||||||||||||||||
Low Tide / height (m) | 4:11AM 0.90 | 4:45PM 0.76 | 5:10AM 0.83 | 5:33PM 0.72 | 5:59AM 0.74 | |||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:43 | - | - | - | - | - | - | - | 7:45 | - | - | - | - | - | - | - | 7:45 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - |
 | |  | |  | | |  | | | | |  |  | |  |  |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 7 | 1 | 2 | 2 | 2 | 3 | 4 | 5 |
| Temp. °C | 13 | 12 | 11 | 11 | 10 | 14 | 17 | 15 | 13 | 12 | 11 | 11 | 13 | 15 | 14 | 14 | 11 | 12 | 12 | 12 | 12 | 12 | 11 | 12 |
| Feels °C (?) | 9 | 8 | 6 | 7 | 6 | 10 | 14 | 12 | 11 | 10 | 10 | 10 | 11 | 11 | 10 | 8 | 5 | 6 | 5 | 5 | 6 | 3 | 4 | 5 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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