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:
Barra Vento surfForecast / Bahia – Norte / Brazil
48hr Weather and Surf, issued 2 am Wednesday 17 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Barra Vento surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Barra Vento sea temperature is
27.7° C
(Which is slightly warmer than usual)How big are the waves at Barra Vento today?
The current surf forecast for Barra Vento at 7AM is: 1.1m 7s primary swell from a East direction and 0.9m 7s secondary swell from a East-southeast direction, 0.2m 11s secondary swell from a South-southeast direction (forecast issued at 02:00am December 17). The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 3ft (0.9m) | 7s |
| Afternoon (17 Dec) | 4ft (1.2m) | 7s |
| Evening (17 Dec) | 3.5ft (1.1m) | 7s |
Table - waves today at Barra Vento. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| 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 | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 79 | 112 | 103 | 75 | 79 | 135 | 134 | 120 | 120 | 100 | 103 | 103 | 114 | 117 | 147 | 140 | 140 | 156 | 171 | 142 | 117 | 121 | 118 | 94 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- on | cross | cross | cross | cross | cross- off | cross- off | cross | cross- on | cross- on | cross | cross | cross | cross- off | cross- off | cross- off | cross | cross | cross | cross |
High Tide / height (m) | 2:00AM 2.08 | 2:11PM 2.01 | 2:36AM 2.13 | 2:47PM 2.06 | 3:12AM 2.16 | 3:24PM 2.10 | ||||||||||||||||||
Low Tide / height (m) | 8:04AM 0.58 | 8:14PM 0.47 | 8:39AM 0.53 | 8:51PM 0.43 | 9:15AM 0.50 | |||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| Sunrise | - | - | 5:03 | - | - | - | - | - | - | - | 5:03 | - | - | - | - | - | - | - | 5:03 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 5:55 | - | - | - | - | - | - | - | 5:57 | - | - | - | - | - | - | - | 5:57 | - | - |
 |  |  |  | | |  | | | | |  | | | | |  |  |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 4 | 3 | 2 | 1 | - | - | - |
| Temp. °C | 25 | 25 | 24 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 |
| Feels °C (?) | 25 | 25 | 25 | 27 | 25 | 24 | 23 | 23 | 24 | 26 | 26 | 27 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 25 | 25 | 26 | 26 |
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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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