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:
Capao da Canoa surfForecast / Rio Grande Do Sul / Brazil
48hr Weather and Surf, issued 2 am Friday 12 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Capao da Canoa surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Capao da Canoa sea temperature is
23.8° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Capao da Canoa today?
The current surf forecast for Capao da Canoa at 7AM is: 1.9m 10s primary swell from a South-southeast direction and 0.6m 10s secondary swell from a East-northeast direction (forecast issued at 02:00am December 12). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 6ft (1.8m) | 10s |
| Afternoon (12 Dec) | 5.5ft (1.7m) | 10s |
| Evening (12 Dec) | 5ft (1.5m) | 10s |
Table - waves today at Capao da Canoa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| 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) (?) | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1347 | 1080 | 853 | 690 | 610 | 537 | 471 | 419 | 346 | 346 | 296 | 296 | 256 | 216 | 192 | 157 | 128 | 269 | 229 | 210 | 210 | 217 | 217 | 217 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | glass | cross- on | cross | cross- on | glass | off | off | glass | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross |
High Tide / height (m) | 10:32PM 0.21 | 5:03AM 0.32 | 11:26AM 0.40 | 4:49PM 0.43 | 11:13PM 0.25 | 5:56AM 0.31 | 11:57AM 0.37 | 5:55PM 0.37 | 11:52PM 0.30 | 7:04AM 0.31 | 12:18PM 0.33 | 7:48PM 0.32 | ||||||||||||
Low Tide / height (m) | 1:20AM 0.12 | 7:47AM 0.23 | 1:55PM 0.34 | 8:57PM 0.21 | 2:15AM 0.17 | 8:31AM 0.26 | 2:54PM 0.29 | 9:29PM 0.26 | 3:19AM 0.20 | 9:17AM 0.29 | 3:58PM 0.24 | |||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| Sunrise | - | - | 5:11 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:14 | - | - | - | - | - | - | - | 7:15 | - |
 | |  | |  | |  | | | | | | | |  |  | | | | | | | |  | |
Rain (mm) | - | - | - | - | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 1 | 1 |
| Temp. °C | 21 | 20 | 21 | 25 | 25 | 24 | 23 | 22 | 22 | 21 | 21 | 24 | 25 | 24 | 23 | 22 | 22 | 21 | 21 | 23 | 24 | 24 | 24 | 23 |
| Feels °C (?) | 21 | 20 | 21 | 26 | 26 | 26 | 24 | 24 | 23 | 21 | 22 | 24 | 25 | 23 | 23 | 22 | 23 | 22 | 23 | 23 | 24 | 25 | 25 | 25 |
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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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