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Surf Forecasts:
La Posta surfForecast / South / Uruguay
48hr Weather and Surf, issued 2 pm Tuesday 12 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
16.9° C
(Which is 1.1°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 6PM is: 1.1m 12s primary swell from a South-southeast direction and 1.2m 5s secondary swell from a West-southwest direction (forecast issued at 02:00pm May 12). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | - | - |
| Afternoon (12 May) | 4ft (1.2m) | 12s |
| Evening (12 May) | 3.5ft (1.1m) | 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 16°C on Tue afternoon, min 11°C on Wed morning). Winds decreasing (fresh winds from the W on Tue afternoon, light winds from the SW by Thu night). | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | S 11 | S 11 | S 11 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 10 | S 10 | S 11 | S 9 | SSW 10 | S 9 | S 9 | |
543 | 447 | 339 | 328 | 196 | 724 | 994 | 1029 | 1151 | 1148 | 915 | 802 | 699 | 664 | 652 | 621 | 524 | 495 | 138 | 110 | 176 | 128 | 173 | 173 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | |
High Tide | 4:17PM0.23m | 7:03AM0.23m | 5:07PM0.27m | 7:41AM0.23m | 5:58PM0.31m | 8:14AM0.22m | ||||||||||||||||||
Low Tide | 11:17AM0.17m | 11:52PM0.05m | 12:00PM0.18m | 00:54AM0.01m | 12:34PM0.20m | 1:57AM-0.02m | ||||||||||||||||||
 | |  |  | | | | | |  |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:26 | — |
 | — | 5:46 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | 5:44 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 16 | 14 | 14 | 13 | 13 | 12 | 11 | 12 | 12 | 11 | 11 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 11 |
6 | 9 | 8 | 9 | 8 | 8 | 7 | 6 | 7 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | — | S 11 | S 11 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | SE 14 | S 10 | SSW 6 | S 9 | SSW 10 | S 9 | S 9 |
 kJ | 543 | 447 | 339 | 328 | 196 | — | 994 | 1029 | 1151 | 1148 | 915 | 802 | 699 | 664 | 652 | 621 | 524 | 8 | 138 | 60 | 176 | 128 | 173 | 173 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | SE 16 | — | — | — | — | — | — | E 15 | SE 15 | SE 15 | — | — | ESE 14 | SE 14 | SSE 9 | S 11 | SSE 10 | SSE 9 | S 10 | S 10 |
| kJ | — | — | — | — | 10 | — | — | — | — | — | — | 4 | 8 | 9 | — | — | 19 | 7 | 35 | 110 | 83 | 100 | 8 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 10 | SE 13 | SSE 10 | SE 14 | SE 14 | SE 13 | SE 13 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 7 | 51 | 7 | 7 | 7 | 7 |
Wind waves Height (m) Direction Period (s) | W 6 | WSW 6 | WSW 5 | SW 5 | SSW 6 | S 11 | — | — | — | — | — | — | — | — | — | — | — | S 10 | SSW 6 | SW 6 | — | — | — | — |
| kJ | 136 | 119 | 78 | 49 | 131 | 724 | — | — | — | — | — | — | — | — | — | — | — | 495 | 85 | 51 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 118 | 71 | 118 | 156 | 158 | 159 | 30 | 30 | 118 | 155 | 25 | 25 | 11 | 23 | 30 | 30 | 155 | 158 | 25 | 7 | 7 | 0 | 0 | 0 |
Best forecast wave conditions in Uruguay - South | ||||||||||||||||||||||||
Best forecast wave conditions in Uruguay | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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