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:
El Barco surfForecast / South / Uruguay
48hr Weather and Surf, issued 2 pm Thursday 11 Dec 2025 -03Forecast update in hr min s Forecast update imminent
El Barco surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's El Barco sea temperature is
20.5° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at El Barco today?
The current surf forecast for El Barco at 4PM is: 1.4m 12s primary swell from a East-southeast direction and 0.1m 6s secondary swell from a South direction, 0.3m 3s secondary swell from a West-southwest direction (forecast issued at 02:00pm December 11). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | - | - |
| Afternoon (11 Dec) | 4.5ft (1.4m) | 12s |
| Evening (11 Dec) | 4.5ft (1.3m) | 12s |
Table - waves today at El Barco. (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 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 4 | 6 | 6 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 514 | 514 | 521 | 415 | 359 | 353 | 291 | 218 | 202 | 194 | 160 | 157 | 157 | 127 | 125 | 100 | 86 | 85 | 58 | 261 | 247 | 188 | 202 | 213 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross | off | off | off | cross- off | cross | cross- on | cross- on | cross- off | off | off | cross- off | cross- off | cross- on | cross- on | cross- on | cross- on | cross | cross | on | cross- on |
High Tide / height (m) | 12:44PM 0.27 | 1:15AM 0.26 | 1:55PM 0.24 | 5:31PM 0.22 | 2:20AM 0.27 | 3:22PM 0.22 | 6:16PM 0.21 | 3:24AM 0.28 | ||||||||||||||||
Low Tide / height (m) | 9:00PM 0.10 | 9:31AM 0.09 | 4:45PM 0.22 | 9:50PM 0.12 | 10:32AM 0.08 | 5:34PM 0.21 | 10:40PM 0.14 | |||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:18 | - | - | - | - | - | - | - | 5:18 | - | - | - | - | - | - | - | 5:18 | - |
| Sunset | - | - | 7:45 | - | - | - | - | - | - | - | 7:46 | - | - | - | - | - | - | - | 7:47 | - | - | - | - | - |
 | | |  |  |  | | | | | | | | | | | | |  |  | | |  |  | |
Rain (mm) | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 |
| Temp. °C | 21 | 22 | 22 | 21 | 20 | 20 | 19 | 22 | 22 | 22 | 23 | 22 | 22 | 21 | 23 | 26 | 27 | 25 | 22 | 20 | 19 | 19 | 19 | 19 |
| Feels °C (?) | 20 | 22 | 23 | 20 | 19 | 19 | 19 | 21 | 18 | 19 | 25 | 21 | 19 | 18 | 19 | 22 | 25 | 22 | 16 | 13 | 12 | 16 | 17 | 15 |
- 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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