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 Brava surfForecast / Santa Catarina – Florianópolis / Brazil
48hr Weather and Surf, issued 8 am Tuesday 16 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Praia Brava surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Praia Brava sea temperature is
24.8° C
(Which is slightly warmer than usual)How big are the waves at Praia Brava today?
The current surf forecast for Praia Brava at 12PM is: 0.8m 5s primary swell from a Southeast direction and 0.3m 7s secondary swell from a East-northeast direction (forecast issued at 08:00am December 16). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 1.5ft (0.4m) | 7s |
| Afternoon (16 Dec) | 3ft (0.9m) | 6s |
| Evening (16 Dec) | 3.5ft (1.0m) | 8s |
Table - waves today at Praia Brava. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| 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 | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 5 | 6 | 8 | 8 | 9 | 9 | 9 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 20 | 20 | 35 | 68 | 125 | 125 | 8 | 39 | 31 | 25 | 31 | 68 | 15 | 14 | 7 | 7 | 6 | 13 | 26 | 32 | 32 | 6 | 6 | 17 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross | cross- on | cross- on | on | on | cross- on | cross | cross- off | cross | cross- on | cross- on | cross- on | cross | cross | cross |
High Tide / height (m) | 11:48AM 0.68 | 12:41AM 0.80 | 12:22PM 0.70 | 1:19AM 0.84 | 12:54PM 0.72 | 1:53AM 0.87 | ||||||||||||||||||
Low Tide / height (m) | 6:19AM 0.34 | 6:13PM 0.20 | 7:02AM 0.33 | 6:47PM 0.14 | 7:40AM 0.33 | 7:21PM 0.10 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| Sunrise | 5:13 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:06 | - | - | - |
 |  | | |  |  |  | | | | | | | | |  | | | | | | | | | |
Rain (mm) | - | 1 | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 24 | 24 | 23 | 23 | 21 | 21 | 19 | 18 | 21 | 22 | 22 | 22 | 21 | 21 | 20 | 20 | 22 | 23 | 23 | 22 | 22 | 22 | 22 |
| Feels °C (?) | 28 | 23 | 21 | 18 | 18 | 14 | 16 | 16 | 16 | 19 | 19 | 19 | 20 | 20 | 21 | 20 | 19 | 21 | 20 | 20 | 20 | 21 | 22 | 23 |
- 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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