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La Posta surfForecast / South / Uruguay
48hr Weather and Surf, issued 8 am Wednesday 21 Jan 2026 -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
22.0° C
(Which is normal for this time of year)How big are the waves at La Posta today?
The current surf forecast for La Posta at 2PM is: 1.2m 4s primary swell from a East direction and 0.4m 8s secondary swell from a South-southeast direction, 0.1m 10s secondary swell from a Southeast direction (forecast issued at 08:00am January 21). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jan) | 2.5ft (0.7m) | 8s |
| Afternoon (21 Jan) | 4ft (1.2m) | 4s |
| Evening (21 Jan) | 1ft (0.3m) | 8s |
Table - waves today at La Posta. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 21 | Thursday 22 | Friday 23 | Sat 24 | |||||||||||||||||||||
| 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 | 8 | 4 | 5 | 8 | 9 | 10 | 10 | 10 | 10 | 5 | 6 | 10 | 10 | 10 | 10 | 10 | 6 | 12 | 12 | 10 | 12 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 58 | 61 | 61 | 50 | 97 | 12 | 77 | 102 | 279 | 277 | 240 | 146 | 295 | 67 | 65 | 65 | 47 | 37 | 60 | 14 | 14 | 14 | 13 | 12 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | off | off | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 10:03AM 0.25 | 10:05PM 0.22 | 10:55AM 0.24 | 10:40PM 0.24 | 11:53AM 0.22 | 4:09PM 0.20 | 11:20PM 0.25 | |||||||||||||||||
Low Tide / height (m) | 4:51AM 0.12 | 5:56PM 0.13 | 5:57AM 0.10 | 6:41PM 0.15 | 6:53AM 0.07 | 2:41PM 0.20 | 7:25PM 0.17 | |||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | Sat 24 | |||||||||||||||||||||
| Sunrise | 5:47 | - | - | - | - | - | - | - | 5:48 | - | - | - | - | - | - | - | 5:48 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:52 | - | - | - | - | - | - | - | 7:52 | - | - | - | - | - | - | - | 7:52 | - | - | - |
 | | | | |  | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 19 | 22 | 22 | 21 | 20 | 18 | 18 | 17 | 21 | 25 | 24 | 23 | 21 | 19 | 18 | 18 | 21 | 25 | 24 | 23 | 21 | 19 | 19 |
| Feels °C (?) | 15 | 17 | 19 | 17 | 15 | 14 | 13 | 14 | 14 | 17 | 21 | 18 | 17 | 16 | 14 | 14 | 16 | 18 | 21 | 19 | 17 | 16 | 14 | 14 |
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