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:
Tramandai surfForecast / Rio Grande Do Sul / Brazil
48hr Weather and Surf, issued 8 am Monday 15 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Tramandai surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tramandai sea temperature is
22.7° C
(Which is normal for this time of year)How big are the waves at Tramandai today?
The current surf forecast for Tramandai at 12PM is: 1.1m 7s primary swell from a East-northeast direction and 0.6m 10s secondary swell from a Southeast direction, 0.1m 9s secondary swell from a South direction (forecast issued at 08:00am December 15). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 3.5ft (1.1m) | 7s |
| Afternoon (15 Dec) | 3.5ft (1.1m) | 7s |
| Evening (15 Dec) | 3ft (0.9m) | 7s |
Table - waves today at Tramandai. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thu 18 | |||||||||||||||||||||
| 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) (?) | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 10 | 6 | 7 | 7 | 6 | 6 | 7 | 7 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 122 | 105 | 108 | 115 | 121 | 81 | 84 | 47 | 245 | 269 | 184 | 170 | 218 | 220 | 223 | 314 | 421 | 381 | 306 | 320 | 244 | 239 | 155 | 146 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- on | cross- on | cross- on | glass | off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross | cross- off | glass | on | on | on | cross- on | cross- on | cross |
High Tide / height (m) | 8:44AM 0.29 | 12:13PM 0.29 | 1:04AM 0.36 | 9:58AM 0.30 | 1:27AM 0.39 | 10:38AM 0.31 | 1:13AM 0.42 | |||||||||||||||||
Low Tide / height (m) | 4:40AM 0.22 | 10:38AM 0.28 | 5:03PM 0.18 | 6:02AM 0.23 | 5:53PM 0.13 | 7:02AM 0.23 | 6:35PM 0.09 | |||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thu 18 | |||||||||||||||||||||
| Sunrise | 5:13 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:16 | - | - | - | - | - | - | - | 7:17 | - | - | - | - | - | - | - | 7:17 | - | - | - |
 | |  |  | |  |  |  |  |  | | | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | 8 | 1 | - | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 22 | 25 | 28 | 27 | 25 | 22 | 22 | 21 | 19 | 21 | 23 | 24 | 21 | 20 | 19 | 18 | 18 | 20 | 21 | 21 | 20 | 20 | 20 | 19 |
| Feels °C (?) | 22 | 26 | 29 | 27 | 26 | 26 | 24 | 19 | 18 | 19 | 19 | 20 | 17 | 18 | 18 | 17 | 17 | 19 | 19 | 19 | 18 | 17 | 16 | 15 |
- 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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