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Surf Forecasts:
La Posta surfForecast / South / Uruguay
48hr Weather and Surf, issued 2 pm Thursday 21 May 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
14.1° C
(Which is slightly cooler than normal)How big are the waves at La Posta today?
The current surf forecast for La Posta at 10PM is: 1.9m 13s primary swell from a South-southeast direction (forecast issued at 02:00pm May 21). The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | - | - |
| Afternoon (21 May) | 7ft (2.2m) | 14s |
| Evening (21 May) | 6ft (1.9m) | 13s |
Table - waves today at La Posta. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 15°C on Sun morning, min 9°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
SSE 15 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | |
2133 | 1883 | 1465 | 1249 | 1094 | 953 | 803 | 677 | 557 | 469 | 437 | 361 | 325 | 265 | 245 | 202 | 198 | 180 | 140 | 140 | 137 | 109 | 107 | 98 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | glassy | on | on | cross-on | cross-on | cross-on | cross-off | glassy | glassy | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | glassy | |
High Tide | 11:52AM0.19m | 4:40PM0.14m | 00:24AM0.27m | 12:45PM0.20m | 1:43AM0.23m | 1:47PM0.22m | 6:03AM0.21m | |||||||||||||||||
Low Tide | 3:15PM0.14m | 7:39PM0.11m | 8:44AM0.10m | 8:51PM0.09m | 9:38AM0.13m | 10:01PM0.08m | ||||||||||||||||||
 | |  |  | | | | | |  |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:31 | — |
 | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:38 | — | — | — | — | — | 5:38 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 10 | 10 | 10 | 10 | 10 | 9 | 10 | 10 | 11 | 10 | 10 | 11 | 10 | 11 | 11 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 14 |
6 | 6 | 6 | 7 | 7 | 8 | 7 | 8 | 8 | 9 | 7 | 7 | 9 | 8 | 10 | 9 | 10 | 10 | 10 | 10 | 11 | 12 | 12 | 13 | |
Swell 1 Height (m) Direction Period (s) | SSE 15 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 |
 kJ | 2133 | 1883 | 1465 | 1249 | 1094 | 953 | 803 | 677 | 557 | 469 | 437 | 361 | 325 | 265 | 245 | 202 | 198 | 180 | 140 | 140 | 137 | 109 | 107 | 98 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ESE 2 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 156 | 71 | 71 | 71 | 118 | 11 | 0 | 2 | 159 | 305 | 403 | 11 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Uruguay - South | ||||||||||||||||||||||||
Best forecast wave conditions in Uruguay | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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