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Surf Forecasts:
La Posta surfForecast / South / Uruguay
48hr Weather and Surf, issued 8 pm 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 1AM is: 1.5m 11s primary swell from a East direction and 0.2m 7s secondary swell from a South direction (forecast issued at 08:00pm December 10). The wind direction is predicted to be cross-onshore.
| 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
Wed 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| 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 | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 346 | 396 | 493 | 586 | 814 | 814 | 827 | 833 | 730 | 693 | 593 | 534 | 452 | 379 | 352 | 298 | 292 | 227 | 223 | 183 | 148 | 145 | 142 | 100 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | cross- on | cross- on | cross- off | cross- on | cross- on | on | cross- on | cross- off | cross- off | off | cross- off | cross | cross | cross- on | glass | cross- off | off | cross- off | cross- off | cross- off | cross- on | on |
High Tide / height (m) | 4:26PM 0.20 | 12:49AM 0.22 | 2:38PM 0.20 | 5:39PM 0.21 | 1:55AM 0.23 | 6:22PM 0.21 | 3:06AM 0.24 | |||||||||||||||||
Low Tide / height (m) | 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 | 11:16AM 0.06 | ||||||||||||||||
Wed 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:18 | - | - | - | - | - | - | - | 5:18 | - | - | - | - | - | - | - | 5:18 | - | - | - |
| Sunset | 7:45 | - | - | - | - | - | - | - | 7:45 | - | - | - | - | - | - | - | 7:45 | - | - | - | - | - | - | - |
 |  |  | |  | | | | |  | | | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 19 | 18 | 18 | 17 | 20 | 22 | 23 | 23 | 20 | 19 | 19 | 19 | 23 | 23 | 24 | 24 | 22 | 22 | 23 | 24 | 27 | 27 | 23 |
| Feels °C (?) | 18 | 19 | 18 | 18 | 17 | 19 | 21 | 22 | 22 | 18 | 17 | 18 | 19 | 20 | 21 | 22 | 25 | 20 | 18 | 19 | 20 | 23 | 25 | 21 |
- 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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