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:
Guarita surfForecast / Rio Grande Do Sul / Brazil
48hr Weather and Surf, issued 2 pm Thursday 11 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Guarita surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Guarita sea temperature is
23.2° C
(Which is slightly warmer than usual)How big are the waves at Guarita today?
The current surf forecast for Guarita at 9PM is: 2.3m 11s primary swell from a South-southeast direction and 0.5m 10s secondary swell from a East direction (forecast issued at 02:00pm December 11). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | - | - |
| Afternoon (11 Dec) | 8ft (2.5m) | 12s |
| Evening (11 Dec) | 7.5ft (2.3m) | 11s |
Table - waves today at Guarita. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 7 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4079 | 1946 | 1660 | 1348 | 1176 | 938 | 731 | 559 | 490 | 427 | 371 | 346 | 296 | 296 | 256 | 256 | 220 | 200 | 216 | 251 | 280 | 311 | 229 | 191 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross | off | cross- off | cross- off | cross | on | cross | cross | glass | off | cross- off | glass | cross- on | on | cross- on | cross- on | cross- on | cross | cross | cross | cross |
High Tide / height (m) | 10:50AM 0.45 | 4:03PM 0.51 | 10:33PM 0.22 | 5:10AM 0.33 | 11:27AM 0.41 | 4:57PM 0.45 | 11:13PM 0.26 | 6:04AM 0.33 | 11:57AM 0.38 | 6:03PM 0.38 | 11:50PM 0.31 | 7:14AM 0.32 | ||||||||||||
Low Tide / height (m) | 1:08PM 0.39 | 8:24PM 0.17 | 1:25AM 0.12 | 7:51AM 0.24 | 2:00PM 0.35 | 9:02PM 0.22 | 2:20AM 0.17 | 8:35AM 0.27 | 2:58PM 0.30 | 9:35PM 0.28 | 3:23AM 0.20 | |||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:11 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:13 | - |
| Sunset | - | - | 7:12 | - | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:13 | - | - | - | - | - |
 | | |  | | | | |  | |  |  | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 26 | 27 | 26 | 22 | 21 | 20 | 20 | 25 | 24 | 25 | 25 | 23 | 22 | 22 | 22 | 24 | 25 | 24 | 23 | 22 | 22 | 22 | 22 | 24 |
| Feels °C (?) | 21 | 23 | 25 | 22 | 21 | 20 | 20 | 26 | 25 | 26 | 26 | 25 | 23 | 23 | 23 | 25 | 27 | 24 | 23 | 23 | 24 | 24 | 24 | 26 |
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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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