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Surf Forecasts:
La Posta surfForecast / South / Uruguay
48hr Weather and Surf, issued 2 pm Tuesday 19 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
14.5° C
(Which is slightly cooler than normal)How big are the waves at La Posta today?
The current surf forecast for La Posta at 8PM is: 0.9m 12s primary swell from a South-southeast direction and 1.3m 5s secondary swell from a West-southwest direction (forecast issued at 02:00pm May 19). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | - | - |
| Afternoon (19 May) | 3ft (0.9m) | 12s |
| Evening (19 May) | 3ft (0.9m) | 12s |
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 Tue afternoon, min 10°C on Thu night). Winds decreasing (fresh winds from the W on Tue afternoon, calm by Fri morning). | ||||||||||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
S 13 | SSE 12 | SSE 12 | SSE 12 | SSW 12 | S 13 | SSE 14 | S 16 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 12 | SSE 12 | SSE 16 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | |
339 | 256 | 236 | 236 | 634 | 848 | 711 | 2600 | 2942 | 2853 | 2736 | 2473 | 1992 | 1631 | 1400 | 1137 | 2161 | 1797 | 1461 | 1249 | 1094 | 917 | 803 | 666 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | cross-on | glassy | glassy | glassy | |
High Tide | 10:26AM0.17m | 4:33PM0.15m | 10:23PM0.36m | 11:06AM0.17m | 4:30PM0.14m | 11:20PM0.32m | 11:52AM0.19m | 4:40PM0.14m | 00:24AM0.27m | |||||||||||||||
Low Tide | 1:25PM0.13m | 4:55PM0.15m | 6:56AM0.03m | 2:15PM0.13m | 6:24PM0.13m | 7:50AM0.07m | 3:15PM0.14m | 7:39PM0.11m | 8:44AM0.10m | |||||||||||||||
 | |  | | | | |  |  | |  | |  | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:30 | — | — | — | — | — | — | — | 7:30 | — | — | — | — | — | — | — | 7:31 | — |
 | — | 5:42 | — | — | — | — | — | — | — | 5:40 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | 5:39 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 13 | 12 | 12 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 |
3 | 5 | 5 | 6 | 8 | 7 | 6 | 6 | 5 | 4 | 3 | 4 | 4 | 5 | 5 | 6 | 7 | 8 | 8 | 7 | 7 | 8 | 8 | 9 | |
Swell 1 Height (m) Direction Period (s) | S 13 | SSE 12 | SSE 12 | SSE 12 | S 12 | SSE 13 | SSE 14 | — | — | — | — | — | — | — | S 12 | SSE 12 | SSE 16 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 |
 kJ | 339 | 256 | 236 | 236 | 353 | 563 | 711 | — | — | — | — | — | — | — | 1400 | 1137 | 2161 | 1797 | 1461 | 1249 | 1094 | 917 | 803 | 666 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 16 | SSE 17 | SSE 16 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 463 | 368 | 798 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 5 | WSW 6 | WSW 6 | WSW 5 | SSW 12 | S 13 | SSW 6 | S 16 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | — | — | — | — | — | — | — | — | — | — |
| kJ | 90 | 122 | 126 | 86 | 634 | 848 | 132 | 2600 | 2942 | 2853 | 2736 | 2473 | 1992 | 1631 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 118 | 76 | 71 | 30 | 58 | 118 | 159 | 159 | 532 | 532 | 532 | 245 | 245 | 233 | 156 | 233 | 159 | 71 | 71 | 71 | 58 | 0 | 0 | 0 |
Best forecast wave conditions in Uruguay - South | ||||||||||||||||||||||||
Best forecast wave conditions in Uruguay | ||||||||||||||||||||||||
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