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Surf Forecasts:
La Posta surfForecast / South / Uruguay
48hr Weather and Surf, issued 8 am Wednesday 10 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
20.5° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at La Posta today?
The current surf forecast for La Posta at 12PM is: 1.3m 9s primary swell from a East direction and 0.2m 8s secondary swell from a South direction (forecast issued at 08:00am December 10). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | 4ft (1.2m) | 8s |
| Afternoon (10 Dec) | 4.5ft (1.3m) | 9s |
| Evening (10 Dec) | 4.5ft (1.3m) | 11s |
Table - waves today at La Posta. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | Sat 13 | |||||||||||||||||||||
| 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 | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 9 | 9 | 10 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 160 | 186 | 263 | 287 | 346 | 396 | 502 | 576 | 814 | 925 | 944 | 928 | 814 | 777 | 764 | 657 | 593 | 452 | 372 | 352 | 292 | 286 | 245 | 186 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | cross- on | glass | glass | on | cross- on | cross | cross- off | off | cross- off | cross- off | cross | cross- on | cross- on | glass | cross- off | off | cross- off |
High Tide / height (m) | 12:47PM 0.23 | 4:26PM 0.20 | 12:49AM 0.22 | 2:38PM 0.20 | 5:39PM 0.21 | 1:55AM 0.23 | 6:22PM 0.21 | |||||||||||||||||
Low Tide / height (m) | 8:06AM 0.09 | 3:58PM 0.20 | 8:48PM 0.14 | 9:13AM 0.08 | 3:30PM 0.20 | 9:40PM 0.15 | 10:16AM 0.07 | 10:31PM 0.16 | ||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Sat 13 | |||||||||||||||||||||
| Sunrise | 5:18 | - | - | - | - | - | - | - | 5:18 | - | - | - | - | - | - | - | 5:18 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:45 | - | - | - | - | - | - | - | 7:45 | - | - | - | - | - | - | - | 7:45 | - | - | - |
 |  | | | |  | |  |  | | | | | |  |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 20 | 21 | 21 | 20 | 19 | 18 | 18 | 18 | 20 | 22 | 23 | 22 | 19 | 18 | 19 | 20 | 23 | 23 | 23 | 25 | 22 | 22 | 24 |
| Feels °C (?) | 19 | 18 | 19 | 19 | 18 | 19 | 18 | 18 | 19 | 21 | 21 | 22 | 19 | 17 | 15 | 17 | 17 | 19 | 21 | 21 | 26 | 20 | 18 | 21 |
- 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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