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 Martillo surfForecast / South / Uruguay
48hr Weather and Surf, issued 2 pm Saturday 13 Dec 2025 -03Forecast update in hr min s Forecast update imminent
El Martillo surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's El Martillo sea temperature is
20.3° C
(Which is slightly warmer than usual)How big are the waves at El Martillo today?
The current surf forecast for El Martillo at 5PM is: 0.6m 10s primary swell from a East-southeast direction and 0.3m 3s secondary swell from a Southwest direction (forecast issued at 02:00pm December 13). The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | - | - |
| Afternoon (13 Dec) | 2.5ft (0.7m) | 10s |
| Evening (13 Dec) | 3.5ft (1.1m) | 4s |
Table - waves today at El Martillo. (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) (?) | 10 | 10 | 10 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 4 | 6 | 6 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 86 | 85 | 61 | 44 | 84 | 79 | 84 | 90 | 97 | 110 | 88 | 77 | 58 | 167 | 188 | 127 | 75 | 53 | 32 | 29 | 126 | 139 | 168 | 302 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross- on | on | on | on | on | cross- on | on | on | cross | cross- on | cross | cross | cross | cross- on | cross- on | cross- off | glass | cross- on | cross- on | cross | cross- off | cross- off |
High Tide / height (m) | 3:22PM 0.22 | 6:16PM 0.21 | 3:24AM 0.28 | 4:47PM 0.22 | 4:18AM 0.30 | 5:39PM 0.22 | 5:04AM 0.31 | |||||||||||||||||
Low Tide / height (m) | 10:32AM 0.08 | 5:34PM 0.21 | 10:40PM 0.14 | 11:30AM 0.07 | 11:27PM 0.16 | 12:25PM 0.06 | 12:11AM 0.17 | |||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:18 | - | - | - | - | - | - | - | 5:20 | - | - | - | - | - | - | - | 5:20 | - |
| Sunset | - | - | 7:47 | - | - | - | - | - | - | - | 7:47 | - | - | - | - | - | - | - | 7:49 | - | - | - | - | - |
 | | |  |  | |  | | |  | | |  | |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 26 | 26 | 24 | 21 | 21 | 20 | 21 | 22 | 24 | 23 | 22 | 22 | 21 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 18 | 17 | 18 | 18 |
| Feels °C (?) | 22 | 23 | 22 | 16 | 17 | 18 | 20 | 21 | 22 | 21 | 22 | 21 | 19 | 19 | 19 | 16 | 19 | 20 | 21 | 18 | 11 | 13 | 13 | 10 |
- 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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