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:
Itapema - Sul surfForecast / Santa Catarina – Norte / Brazil
48hr Weather and Surf, issued 2 am Saturday 13 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Itapema - Sul surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Itapema - Sul sea temperature is
24.1° C
(Which is normal for this time of year)Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| 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) (?) | 3 | 4 | 10 | 10 | 3 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 7 | 7 | 7 | 7 | 6 | 7 | 8 | 7 | 10 | 3 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | glass | glass | cross | cross- off | cross- off | off | off | cross- off | cross- off | glass | cross- off | cross | cross | glass | glass | cross | cross | on | cross- on | cross- on | cross- off | cross- on |
High Tide / height (m) | 8:27AM 0.62 | 8:36PM 0.68 | 9:57AM 0.62 | 10:23PM 0.68 | 10:40AM 0.64 | |||||||||||||||||||
Low Tide / height (m) | 4:14AM 0.30 | 4:40PM 0.40 | 5:04AM 0.28 | 5:18PM 0.30 | 5:43AM 0.26 | 5:53PM 0.21 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| Sunrise | - | - | 5:13 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:02 | - | - | - | - | - | - | - | 7:02 | - | - | - | - | - | - | - | 7:04 | - |
 |  |  |  | | | |  | | | | | | | | | | | | | | |  |  | |
Rain (mm) | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 16 | 13 |
| Temp. °C | 22 | 21 | 21 | 23 | 25 | 25 | 25 | 23 | 21 | 21 | 21 | 24 | 25 | 25 | 25 | 23 | 23 | 22 | 22 | 25 | 28 | 27 | 22 | 22 |
| Feels °C (?) | 25 | 23 | 23 | 26 | 26 | 26 | 27 | 25 | 23 | 23 | 23 | 27 | 26 | 27 | 28 | 27 | 27 | 25 | 25 | 27 | 29 | 29 | 23 | 24 |
- 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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