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 Grande Bonete surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 8 pm Wednesday 10 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Praia Grande Bonete surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Praia Grande Bonete sea temperature is
25.2° C
(Which is slightly warmer than usual)How big are the waves at Praia Grande Bonete today?
The current surf forecast for Praia Grande Bonete at 3AM is: 0.3m 12s primary swell from a South-southeast direction (forecast issued at 08:00pm December 10). An open ocean swell of 0.6m 9s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 1ft (0.3m) | 11s |
| Afternoon (11 Dec) | 3ft (0.9m) | 14s |
| Evening (11 Dec) | 5ft (1.5m) | 13s |
Table - waves today at Praia Grande Bonete. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wed 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| 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) (?) | 13 | 12 | 12 | 12 | 11 | 11 | 6 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 16 | 29 | 28 | 26 | 24 | 23 | 29 | 346 | 617 | 760 | 888 | 888 | 862 | 702 | 683 | 480 | 456 | 371 | 307 | 302 | 242 | 194 | 187 | 139 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- off | glass | off | off | glass | cross- on | glass | glass | glass | glass | glass | glass | cross- off | glass | glass |
High Tide / height (m) | 5:18PM 0.92 | 6:52AM 0.75 | 6:15PM 0.86 | 8:09AM 0.72 | 7:34PM 0.79 | 10:39AM 0.74 | ||||||||||||||||||
Low Tide / height (m) | 1:24AM 0.28 | 1:48PM 0.60 | 2:28AM 0.35 | 2:56PM 0.55 | 3:34AM 0.39 | |||||||||||||||||||
Wed 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:07 | - | - | - | - | - | - | - | 5:07 | - | - | - | - | - | - | - | 5:07 | - | - | - |
| Sunset | 6:38 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:40 | - | - | - | - | - | - | - |
 |  | | | | | | | | | | | | | |  |  |  | |  | |  |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 2 | 5 | - | 3 | 11 | - | 2 |
| Temp. °C | 31 | 29 | 29 | 27 | 27 | 30 | 33 | 33 | 26 | 23 | 23 | 24 | 25 | 31 | 32 | 27 | 24 | 23 | 23 | 23 | 23 | 24 | 25 | 24 |
| Feels °C (?) | 31 | 29 | 29 | 26 | 27 | 29 | 31 | 33 | 28 | 24 | 24 | 25 | 26 | 33 | 33 | 30 | 28 | 26 | 27 | 27 | 27 | 27 | 30 | 29 |
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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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