Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
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Surf Forecasts:
Miramar surfForecast / Buenos Aires / Argentina
48hr Weather and Surf, issued 2 pm Wednesday 10 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Miramar surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Miramar sea temperature is
17.9° C
(Which is 1.9°C warmer than normal for this time of year)How big are the waves at Miramar today?
The current surf forecast for Miramar at 10PM is: 0.5m 8s primary swell from a East direction and 0.2m 7s secondary swell from a South direction, 0.7m 5s secondary swell from a East-northeast direction (forecast issued at 02:00pm December 10). The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | - | - |
| Afternoon (10 Dec) | 1.5ft (0.5m) | 7s |
| Evening (10 Dec) | 1.5ft (0.5m) | 8s |
Table - waves today at Miramar. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| 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) (?) | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 64 | 26 | 29 | 33 | 49 | 77 | 108 | 146 | 199 | 339 | 411 | 404 | 404 | 418 | 456 | 364 | 370 | 308 | 303 | 297 | 281 | 216 | 170 | 170 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross | cross- off | off | cross- off | cross- off | glass | on | cross- on | cross- on | cross- off | off | off | off | cross- off | glass | on | cross- on | glass | cross- off | off | off | cross- off |
High Tide / height (m) | 11:00AM 1.46 | 11:59PM 0.97 | 11:57AM 1.36 | 12:55AM 0.98 | 12:56PM 1.25 | 1:50AM 1.00 | ||||||||||||||||||
Low Tide / height (m) | 6:35PM 0.08 | 6:16AM 0.44 | 7:26PM 0.16 | 7:15AM 0.44 | 8:14PM 0.25 | 8:16AM 0.44 | ||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:20 | - | - | - | - | - | - | - | 5:20 | - | - | - | - | - | - | - | 5:20 | - |
| Sunset | - | - | 8:06 | - | - | - | - | - | - | - | 8:07 | - | - | - | - | - | - | - | 8:07 | - | - | - | - | - |
 | |  |  |  | | | | | |  |  | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | 10 | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 22 | 23 | 20 | 18 | 17 | 17 | 22 | 22 | 22 | 17 | 18 | 17 | 17 | 16 | 20 | 24 | 23 | 21 | 20 | 19 | 19 | 21 | 24 |
| Feels °C (?) | 22 | 21 | 21 | 19 | 18 | 17 | 17 | 23 | 20 | 18 | 15 | 16 | 15 | 16 | 15 | 18 | 24 | 21 | 21 | 20 | 16 | 15 | 15 | 16 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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