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:
Tereza surfForecast / Santa Catarina – Sul / Brazil
48hr Weather and Surf, issued 2 pm Saturday 13 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Tereza surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tereza sea temperature is
25.1° C
(Which is 1.5°C warmer than normal for this time of year)How big are the waves at Tereza today?
The current surf forecast for Tereza at 6PM is: 1.2m 9s primary swell from a Southeast direction (forecast issued at 02:00pm December 13). An open ocean swell of 1.3m 12s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | - | - |
| Afternoon (13 Dec) | 4.5ft (1.3m) | 9s |
| Evening (13 Dec) | 4ft (1.2m) | 9s |
Table - waves today at Tereza. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 9 | 9 | 16 | 14 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 8 | 7 | 9 | 9 | 10 | 10 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 266 | 255 | 220 | 215 | 190 | 186 | 0 | 0 | 184 | 243 | 284 | 247 | 304 | 372 | 349 | 461 | 419 | 284 | 454 | 355 | 443 | 394 | 561 | 406 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | on | on | on | on | on | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross |
High Tide / height (m) | 12:00PM 0.43 | 7:18PM 0.43 | 11:19PM 0.40 | 12:02PM 0.41 | 11:47PM 0.46 | 10:38AM 0.41 | 12:13AM 0.51 | |||||||||||||||||
Low Tide / height (m) | 3:34PM 0.33 | 10:16PM 0.40 | 4:06AM 0.23 | 4:30PM 0.26 | 5:13AM 0.25 | 5:21PM 0.20 | 6:15AM 0.26 | |||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 7:00 |
| Sunset | - | 5:19 | - | - | - | - | - | - | - | 5:19 | - | - | - | - | - | - | - | 5:20 | - | - | - | - | - | - |
 | |  | | | |  |  | | | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Feels °C (?) | 25 | 25 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 20 | 20 | 20 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 23 | 22 |
- 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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