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:
Praia de Asturias surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 8 pm Sunday 14 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Praia de Asturias surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Praia de Asturias sea temperature is
24.5° C
(Which is normal for this time of year)How big are the waves at Praia de Asturias today?
The current surf forecast for Praia de Asturias at 2AM is: 0.5m 9s primary swell from a South-southeast direction and 0.4m 5s secondary swell from a Southeast direction, 0.4m 3s secondary swell from a East-northeast direction (forecast issued at 08:00pm December 14). The wind direction is predicted to be glassy.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 1.5ft (0.4m) | 10s |
| Afternoon (15 Dec) | 1.5ft (0.4m) | 10s |
| Evening (15 Dec) | 1.5ft (0.4m) | 10s |
Table - waves today at Praia de Asturias. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sun 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| 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 | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 6 | 7 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 27 | 27 | 49 | 49 | 34 | 35 | 41 | 40 | 38 | 38 | 36 | 34 | 34 | 35 | 45 | 24 | 38 | 105 | 181 | 238 | 271 | 286 | 291 | 256 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | glass | off | cross- off | cross | cross- on | on | cross- on | cross | cross | cross- off | cross- off | cross- off | cross | cross- off | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | on |
High Tide / height (m) | 11:43PM 0.91 | 11:53AM 0.88 | 12:37AM 0.99 | 12:29PM 0.92 | 1:18AM 1.06 | 1:01PM 0.96 | ||||||||||||||||||
Low Tide / height (m) | 5:17PM 0.44 | 5:51AM 0.43 | 6:04PM 0.34 | 6:39AM 0.40 | 6:45PM 0.25 | 7:22AM 0.38 | ||||||||||||||||||
Sun 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:11 | - | - | - | - | - | - | - | 5:11 | - | - | - | - | - | - | - | 5:11 | - | - | - |
| Sunset | 6:46 | - | - | - | - | - | - | - | 6:47 | - | - | - | - | - | - | - | 6:47 | - | - | - | - | - | - | - |
 |  |  |  | | |  |  | |  | | | | | | |  |  |  | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | 1 | 4 | 2 | - | - | - | - | - | 1 | 33 | 8 | 4 | 6 | - | - | - | - |
| Temp. °C | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 27 | 26 | 26 | 26 | 26 | 26 | 30 | 30 | 26 | 23 | 23 | 22 | 23 | 23 | 24 | 24 | 23 |
| Feels °C (?) | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 30 | 29 | 29 | 30 | 30 | 29 | 33 | 32 | 27 | 21 | 23 | 22 | 22 | 22 | 22 | 22 | 20 |
- 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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