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Surf Forecasts:
La Posta surfForecast / South / Uruguay
48hr Weather and Surf, issued 2 am Saturday 16 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
14.9° C
(Which is slightly cooler than normal)How big are the waves at La Posta today?
The current surf forecast for La Posta at 9AM is: 0.8m 10s primary swell from a South-southeast direction and 0.1m 9s secondary swell from a East direction (forecast issued at 02:00am May 16). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 2.5ft (0.8m) | 10s |
| Afternoon (16 May) | 2.5ft (0.7m) | 11s |
| Evening (16 May) | 2ft (0.6m) | 10s |
Table - waves today at La Posta. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Sun night. Very mild (max 14°C on Sat afternoon, min 9°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 16 | Sunday 17 | Monday 18 | ||||||||||||||||||||||
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 | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | S 6 | S 6 | S 6 | S 7 | S 8 | S 8 | S 9 | S 9 | S 9 | S 9 | S 12 | S 12 | S 13 | S 17 | S 16 | |
163 | 131 | 139 | 147 | 117 | 117 | 85 | 82 | 58 | 89 | 143 | 132 | 200 | 193 | 208 | 215 | 229 | 229 | 392 | 723 | 657 | 700 | 1794 | 1569 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | cross-off | cross-off | cross-on | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | |
High Tide | 8:45AM0.21m | 7:42PM0.37m | 9:16AM0.19m | 8:35PM0.39m | 9:50AM0.17m | |||||||||||||||||||
Low Tide | 3:01AM-0.04m | 11:36AM0.18m | 4:03AM-0.04m | 12:01PM0.16m | 5:03AM-0.02m | 12:40PM0.14m | ||||||||||||||||||
 | | |  | | | | | | | |  |  | | | |  |  |  | | | | | | |
 | — | — | 7:26 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — |
 | — | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:42 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | |
Temp °C | 11 | 11 | 11 | 11 | 13 | 14 | 13 | 13 | 13 | 12 | 12 | 11 | 12 | 13 | 12 | 13 | 12 | 12 | 12 | 12 | 13 | 12 | 12 | 11 |
8 | 8 | 7 | 8 | 10 | 10 | 10 | 11 | 9 | 7 | 6 | 5 | 7 | 7 | 6 | 8 | 8 | 8 | 8 | 7 | 8 | 7 | 8 | 7 | |
Swell 1 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | — | SE 12 | SSE 10 | S 14 | S 13 | — | S 9 | S 9 | S 9 | S 9 | S 12 | S 12 | S 13 | S 17 | S 16 |
 kJ | 163 | 131 | 139 | 147 | 117 | 117 | 85 | 82 | 58 | — | 6 | 20 | 16 | 14 | — | 215 | 229 | 229 | 392 | 723 | 657 | 700 | 1794 | 1569 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | — | — | — | — | S 16 | — | — | S 15 | — | SE 12 | — | S 17 | S 16 | S 11 | — | S 22 | SSE 20 | SSE 18 | — | — |
| kJ | 2 | 2 | 2 | 1 | — | — | — | — | 5 | — | — | 18 | — | 6 | — | 6 | 5 | 93 | — | 9 | 38 | 257 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 19 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 143 | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 2 | — | — | WNW 3 | — | W 2 | WSW 3 | SW 3 | S 4 | S 6 | S 6 | S 6 | S 7 | S 8 | S 8 | — | — | — | — | — | — | — | — | — |
| kJ | 1 | — | — | 4 | — | 1 | 2 | 2 | 13 | 89 | 143 | 132 | 200 | 193 | 208 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 25 | 25 | 25 | 71 | 118 | 245 | 233 | 233 | 233 | 233 | 118 | 118 | 182 | 25 | 25 | 75 | 118 | 25 | 0 |
Best forecast wave conditions in Uruguay - South | ||||||||||||||||||||||||
Best forecast wave conditions in Uruguay | ||||||||||||||||||||||||
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