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:
Cibratel surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 8 pm Thursday 11 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Cibratel surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cibratel sea temperature is
25.3° C
(Which is slightly warmer than usual)How big are the waves at Cibratel today?
The current surf forecast for Cibratel at 4AM is: 1.1m 12s primary swell from a South-southeast direction and 0.2m 10s secondary swell from a East-southeast direction (forecast issued at 08:00pm December 11). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 3.5ft (1.1m) | 12s |
| Afternoon (12 Dec) | 3.5ft (1.0m) | 12s |
| Evening (12 Dec) | 3ft (0.9m) | 11s |
Table - waves today at Cibratel. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thu 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 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) (?) | 12 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 314 | 395 | 418 | 392 | 386 | 373 | 303 | 288 | 205 | 198 | 153 | 112 | 108 | 108 | 82 | 80 | 78 | 78 | 58 | 57 | 57 | 56 | 38 | 42 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- off | cross- off | off | cross- off | glass | on | glass | cross- off | cross- off | off | cross | cross- off | off | glass | glass | cross- off | glass | off | off | cross- off | off | cross- on | glass |
High Tide / height (m) | 6:43PM 0.99 | 8:06AM 0.86 | 8:00PM 0.93 | 9:24AM 0.86 | 9:43PM 0.92 | 10:45AM 0.90 | ||||||||||||||||||
Low Tide / height (m) | 2:47AM 0.47 | 3:28PM 0.68 | 4:03AM 0.49 | 4:33PM 0.58 | 5:04AM 0.48 | |||||||||||||||||||
Thu 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:11 | - | - | - | - | - | - | - | 5:11 | - | - | - | - | - | - | - | 5:13 | - | - | - |
| Sunset | 6:47 | - | - | - | - | - | - | - | 6:49 | - | - | - | - | - | - | - | 6:49 | - | - | - | - | - | - | - |
 |  | | | | | |  |  |  |  | |  | | | | |  |  | |  |  |  | | |
Rain (mm) | - | - | - | - | - | - | - | 1 | 4 | 7 | 4 | 10 | - | - | 2 | 5 | 1 | - | - | 4 | 14 | 1 | - | 1 |
| Temp. °C | 27 | 24 | 23 | 23 | 22 | 27 | 29 | 25 | 23 | 22 | 21 | 21 | 22 | 24 | 24 | 23 | 23 | 23 | 22 | 21 | 21 | 25 | 28 | 27 |
| Feels °C (?) | 29 | 25 | 23 | 23 | 23 | 28 | 30 | 28 | 26 | 25 | 23 | 23 | 24 | 27 | 28 | 27 | 25 | 26 | 25 | 23 | 23 | 29 | 31 | 32 |
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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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