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:
Supertubos surfForecast / Peniche / Portugal
48hr Weather and Surf, issued 11 am Monday 15 Dec 2025 WETForecast update in hr min s Forecast update imminent
Supertubos surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Supertubos sea temperature is
15.7° C
(Which is slightly cooler than normal)How big are the waves at Supertubos today?
The current surf forecast for Supertubos at 1PM is: 2.2m 13s primary swell from a Northwest direction (forecast issued at 11:00am December 15). The wind direction is predicted to be cross-onshore.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 8ft (2.4m) | 13s |
| Afternoon (15 Dec) | 7ft (2.1m) | 13s |
| Evening (15 Dec) | 8ft (2.5m) | 13s |
Table - waves today at Supertubos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 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 | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 13 | 13 | 16 | 15 | 9 | 10 | 10 | 10 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 24 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1903 | 1725 | 1479 | 2081 | 2313 | 4957 | 6965 | 3866 | 6021 | 7391 | 7086 | 12139 | 0 | 5922 | 6967 | 4370 | 4623 | 3461 | 2692 | 2270 | 1863 | 1525 | 1415 | 4894 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross | cross | cross- on |
High Tide / height (m) | 11:39AM 2.76 | 12:09AM 2.79 | 12:26PM 2.79 | 12:50AM 2.90 | 1:08PM 2.83 | 1:27AM 3.00 | ||||||||||||||||||
Low Tide / height (m) | 5:56PM 1.11 | 6:19AM 1.14 | 6:35PM 1.05 | 7:01AM 1.04 | 7:12PM 1.00 | |||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | 7:48 | - | - | - | - | - | - | - | 7:50 | - | - | - | - | - | - | - | 7:50 | - | - | - | - | - | - | - |
| Sunset | - | - | 5:14 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - |
 |  | |  |  | | |  |  | | |  |  | | | |  |  | | | | | | | |
Rain (mm) | - | 1 | 3 | 5 | 2 | 4 | 3 | 2 | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 14 | 13 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 13 | 13 | 13 | 12 | 12 | 12 | 12 |
| Feels °C (?) | 11 | 10 | 8 | 8 | 5 | 5 | 3 | 2 | 2 | 2 | 3 | 4 | 5 | 4 | 6 | 7 | 7 | 9 | 10 | 11 | 10 | 10 | 9 | 9 |
- 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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