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 2 am Monday 15 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
24.5° C
(Which is normal for this time of year)How big are the waves at Cibratel today?
The current surf forecast for Cibratel at 5AM is: 0.4m 9s primary swell from a South-southeast direction and 0.4m 6s secondary swell from a Southeast direction (forecast issued at 02:00am December 15). The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 1.5ft (0.4m) | 10s |
| Afternoon (15 Dec) | 1.5ft (0.4m) | 7s |
| Evening (15 Dec) | 1ft (0.3m) | 9s |
Table - waves today at Cibratel. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||||||||||||
| 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) (?) | 9 | 9 | 10 | 10 | 10 | 7 | 10 | 9 | 10 | 9 | 9 | 10 | 6 | 10 | 5 | 6 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 35 | 35 | 35 | 38 | 39 | 15 | 38 | 16 | 36 | 23 | 23 | 23 | 11 | 75 | 55 | 108 | 204 | 588 | 248 | 223 | 207 | 202 | 166 | 123 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- off | cross- off | glass | on | cross- on | cross | cross | cross- off | glass | cross- off | cross- off | cross | cross | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | cross- on |
High Tide / height (m) | 11:23PM 0.98 | 11:40AM 0.95 | 12:25AM 1.07 | 12:21PM 1.00 | 1:08AM 1.14 | 12:56PM 1.05 | ||||||||||||||||||
Low Tide / height (m) | 5:56AM 0.46 | 6:07PM 0.36 | 6:41AM 0.42 | 6:46PM 0.26 | 7:22AM 0.40 | 7:22PM 0.18 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||||||||||||
| Sunrise | - | - | 5:13 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:51 | - | - | - | - | - | - | - | 6:51 | - | - | - | - | - | - | - | 6:52 | - |
 |  |  |  | | |  |  | | | |  | | |  |  | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | 1 | 3 | - | - | - | - | - | 2 | 32 | 9 | 9 | 2 | - | - | - | - | - | - |
| Temp. °C | 24 | 24 | 23 | 28 | 29 | 28 | 26 | 25 | 25 | 25 | 25 | 32 | 33 | 25 | 23 | 22 | 22 | 22 | 22 | 24 | 24 | 23 | 23 | 21 |
| Feels °C (?) | 28 | 28 | 26 | 33 | 32 | 31 | 29 | 29 | 29 | 29 | 28 | 34 | 36 | 27 | 24 | 23 | 22 | 22 | 21 | 23 | 22 | 21 | 22 | 20 |
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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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