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Surf Forecasts:
La Posta surfForecast / South / Uruguay
48hr Weather and Surf, issued 2 am Thursday 11 Dec 2025 -03Forecast update in hr min s Forecast update imminent
La Posta surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's La Posta sea temperature is
20.4° C
(Which is slightly warmer than usual)How big are the waves at La Posta today?
The current surf forecast for La Posta at 7AM is: 1.7m 12s primary swell from a East direction and 0.1m 7s secondary swell from a South direction (forecast issued at 02:00am December 11). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 5.5ft (1.7m) | 12s |
| Afternoon (11 Dec) | 5.5ft (1.7m) | 12s |
| Evening (11 Dec) | 5ft (1.6m) | 11s |
Table - waves today at La Posta. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | ||||||||||||||||||||||
| 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 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 493 | 586 | 814 | 814 | 827 | 847 | 730 | 614 | 582 | 503 | 494 | 353 | 279 | 274 | 232 | 227 | 186 | 183 | 151 | 148 | 115 | 115 | 128 | 156 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | glass | cross- on | cross- on | cross- on | cross- on | cross | off | off | cross- off | cross | cross | cross- on | glass | cross- off | off | cross- off | cross- off | cross- off | cross- on | cross- on | on | cross- on |
High Tide / height (m) | 12:49AM 0.22 | 2:38PM 0.20 | 5:39PM 0.21 | 1:55AM 0.23 | 6:22PM 0.21 | 3:06AM 0.24 | 6:14PM 0.20 | |||||||||||||||||
Low Tide / height (m) | 9:13AM 0.08 | 3:30PM 0.20 | 9:40PM 0.15 | 10:16AM 0.07 | 10:31PM 0.16 | 11:16AM 0.06 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | ||||||||||||||||||||||
| Sunrise | - | - | 5:18 | - | - | - | - | - | - | - | 5:18 | - | - | - | - | - | - | - | 5:18 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:45 | - | - | - | - | - | - | - | 7:45 | - | - | - | - | - | - | - | 7:46 | - |
 |  |  | | | |  | |  | | | | | | | | | | | | |  | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 18 | 18 | 18 | 21 | 22 | 23 | 23 | 20 | 18 | 19 | 19 | 23 | 23 | 23 | 24 | 22 | 22 | 22 | 24 | 28 | 28 | 25 | 22 | 20 |
| Feels °C (?) | 18 | 17 | 19 | 20 | 21 | 22 | 23 | 21 | 17 | 18 | 18 | 20 | 20 | 20 | 25 | 20 | 19 | 18 | 21 | 25 | 26 | 25 | 15 | 14 |
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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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