- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
La Posta surfForecast / South / Uruguay
48hr Weather and Surf, issued 8 am 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 11AM is: 2.2m 15s primary swell from a South-southeast direction and 1.1m 17s secondary swell from a South-southeast direction (forecast issued at 08:00am May 21). The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 7.5ft (2.3m) | 16s |
| 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 13°C on Sat afternoon, min 9°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 12 | SSE 16 | 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 | |
1400 | 2676 | 2133 | 1883 | 1465 | 1294 | 1094 | 953 | 803 | 677 | 557 | 444 | 437 | 361 | 325 | 265 | 260 | 202 | 198 | 180 | 140 | 140 | 137 | 109 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-off | glassy | glassy | glassy | cross | cross | cross | cross-off | cross-off | cross-off | |
High Tide | 11:52AM0.19m | 4:40PM0.14m | 00:24AM0.27m | 12:45PM0.20m | 1:43AM0.23m | 1:47PM0.22m | ||||||||||||||||||
Low Tide | 7:50AM0.07m | 3:15PM0.14m | 7:39PM0.11m | 8:44AM0.10m | 8:51PM0.09m | 9:38AM0.13m | 10:01PM0.08m | |||||||||||||||||
 |  | | |  | | | | | |  |  |  | | | | | | | | | | | | |
 | 7:30 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | 7:31 |
 | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:38 | — | — | — | 5:38 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 10 | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 12 | 13 | 13 | 13 | 13 | 13 |
4 | 5 | 6 | 7 | 7 | 8 | 7 | 6 | 7 | 7 | 7 | 8 | 7 | 8 | 8 | 8 | 8 | 9 | 10 | 10 | 9 | 10 | 11 | 12 | |
Swell 1 Height (m) Direction Period (s) | S 12 | SSE 16 | 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 |
 kJ | 1400 | 2676 | 2133 | 1883 | 1465 | 1294 | 1094 | 953 | 803 | 677 | 557 | 444 | 437 | 361 | 325 | 265 | 260 | 202 | 198 | 180 | 140 | 140 | 137 | 109 |
Swell 2 Height (m) Direction Period (s) | SSE 17 | SSE 17 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 313 | 684 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 233 | 233 | 156 | 71 | 71 | 71 | 118 | 35 | 7 | 5 | 159 | 233 | 403 | 11 | 0 | 0 | 0 | 0 | 2 | 2 | 112 | 0 | 0 | 0 |
Best forecast wave conditions in Uruguay - South | ||||||||||||||||||||||||
Best forecast wave conditions in Uruguay | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our La Posta surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest