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:
Estaleirinho surfForecast / Santa Catarina – Norte / Brazil
48hr Weather and Surf, issued 8 pm Monday 15 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Estaleirinho surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Estaleirinho sea temperature is
24.1° C
(Which is normal for this time of year)How big are the waves at Estaleirinho today?
The current surf forecast for Estaleirinho at 3AM is: 0.7m 5s primary swell from a East-northeast direction and 0.4m 8s secondary swell from a East-northeast direction (forecast issued at 08:00pm December 15). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 2.5ft (0.8m) | 5s |
| Afternoon (16 Dec) | 6ft (1.9m) | 6s |
| Evening (16 Dec) | 7ft (2.1m) | 8s |
Table - waves today at Estaleirinho. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Mon 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 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) (?) | 10 | 5 | 5 | 5 | 7 | 5 | 4 | 6 | 7 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 8 | 8 | 8 | 9 | 8 | 9 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 33 | 31 | 21 | 20 | 61 | 32 | 43 | 278 | 515 | 530 | 374 | 709 | 523 | 389 | 47 | 43 | 40 | 39 | 38 | 38 | 25 | 31 | 48 | 36 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- on | cross- on | glass | cross- off | off | cross | cross- on | cross | cross | cross | cross | cross- off | cross- off | cross- on | on | on | on | on | cross- on | cross- on | cross- on | cross |
High Tide / height (m) | 11:54PM 0.84 | 11:53AM 0.78 | 12:39AM 0.90 | 12:30PM 0.80 | 1:19AM 0.95 | 1:05PM 0.82 | ||||||||||||||||||
Low Tide / height (m) | 5:44PM 0.29 | 6:24AM 0.36 | 6:15PM 0.22 | 7:03AM 0.36 | 6:45PM 0.16 | 7:37AM 0.36 | ||||||||||||||||||
Mon 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - |
| Sunset | 7:04 | - | - | - | - | - | - | - | 7:04 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - |
 |  |  |  |  | |  | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 28 | 27 | 26 | 25 | 25 | 24 | 24 | 26 | 25 | 24 | 23 | 22 | 21 | 19 | 18 | 21 | 23 | 23 | 22 | 21 | 21 | 21 | 21 | 22 |
| Feels °C (?) | 29 | 27 | 29 | 29 | 30 | 28 | 28 | 26 | 23 | 19 | 18 | 18 | 18 | 18 | 17 | 19 | 21 | 21 | 21 | 20 | 20 | 20 | 21 | 22 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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