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Surf Forecasts:
El Martillo surfForecast / South / Uruguay
48hr Weather and Surf, issued 2 am Tuesday 21 Apr 2026 -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
21.2° C
(Which is 3.4°C warmer than normal for this time of year)How big are the waves at El Martillo today?
The current surf forecast for El Martillo at 8AM is: 1.2m 11s primary swell from a East-southeast direction and 0.4m 6s secondary swell from a South direction, 0.3m 10s secondary swell from a South direction (forecast issued at 02:00am April 21). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 4ft (1.2m) | 11s |
| Afternoon (21 Apr) | 2ft (0.6m) | 10s |
| Evening (21 Apr) | 2ft (0.6m) | 10s |
Table - waves today at El Martillo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| 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 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 6 | 6 | 10 | 10 | 10 | 10 | 9 | 6 | 7 | 8 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 123 | 121 | 119 | 313 | 75 | 72 | 69 | 68 | 49 | 45 | 38 | 38 | 38 | 25 | 52 | 23 | 64 | 84 | 88 | 62 | 61 | 41 | 37 | 35 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | glass |
High Tide / height (m) | 9:59PM 0.45 | 10:50AM 0.23 | 4:32PM 0.18 | 10:50PM 0.44 | 11:37AM 0.22 | 5:12PM 0.18 | 11:44PM 0.40 | 12:29PM 0.22 | 5:48PM 0.18 | |||||||||||||||
Low Tide / height (m) | 6:33AM -0.03 | 1:53PM 0.14 | 6:16PM 0.17 | 7:28AM -0.01 | 2:38PM 0.14 | 7:15PM 0.16 | 8:23AM 0.02 | 3:27PM 0.15 | 8:17PM 0.14 | |||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:09 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:06 | - |
 |  | |  | |  | | | |  | |  | | | |  | | | |  | | | | | |
Rain (mm) | - | 3 | 4 | 2 | 1 | - | 1 | 4 | 2 | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 19 | 18 | 18 | 18 | 19 | 18 | 18 | 19 | 19 | 18 | 16 | 16 | 17 | 16 | 18 | 17 | 16 | 16 | 17 | 18 | 18 | 18 | 17 |
| Feels °C (?) | 18 | 18 | 15 | 14 | 14 | 17 | 15 | 16 | 18 | 18 | 14 | 10 | 10 | 12 | 11 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 17 | 17 |
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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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