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Surf Forecasts:
La Posta surfForecast / South / Uruguay
48hr Weather and Surf, issued 2 pm Wednesday 13 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
16.4° C
(Which is slightly warmer than usual)How big are the waves at La Posta today?
The current surf forecast for La Posta at 8PM is: 1.7m 12s primary swell from a South direction and 0.1m 15s secondary swell from a Southeast direction (forecast issued at 02:00pm May 13). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | - | - |
| Afternoon (13 May) | 6.5ft (2.0m) | 12s |
| Evening (13 May) | 5.5ft (1.7m) | 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 Wed night, min 10°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||||
Wed 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
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 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 11 | S 9 | S 9 | S 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 11 | |
1160 | 1129 | 902 | 792 | 1187 | 970 | 866 | 843 | 524 | 507 | 206 | 125 | 141 | 136 | 207 | 216 | 216 | 183 | 188 | 157 | 160 | 167 | 149 | 161 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-on | cross | cross-off | off | off | cross-off | cross-off | |
High Tide | 5:07PM0.27m | 7:41AM0.23m | 5:58PM0.31m | 8:14AM0.22m | 6:50PM0.34m | 8:45AM0.21m | ||||||||||||||||||
Low Tide | 12:00PM0.18m | 00:54AM0.01m | 12:34PM0.20m | 1:57AM-0.02m | 12:26PM0.20m | 3:01AM-0.04m | ||||||||||||||||||
 | |  | | | | |  | | |  | | | | | | | | | | | |  | | |
 | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:26 | — |
 | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | — | 5:44 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 12 | 11 | 12 | 13 | 13 | 12 | 12 | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 10 | 12 | 13 | 12 | 12 | 11 | 10 | 10 | 10 |
6 | 6 | 5 | 7 | 8 | 8 | 7 | 8 | 8 | 7 | 8 | 8 | 10 | 8 | 8 | 7 | 9 | 11 | 10 | 9 | 7 | 7 | 7 | 8 | |
Swell 1 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | — | S 10 | S 10 | S 6 | S 9 | S 9 | S 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 11 |
 kJ | 1160 | 1129 | 902 | 792 | 690 | 632 | 688 | 607 | 524 | — | 206 | 125 | 57 | 136 | 207 | 216 | 216 | 183 | 188 | 157 | 160 | 167 | 149 | 161 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SE 15 | SE 15 | SE 15 | — | — | — | — | SE 14 | SE 9 | S 11 | SE 10 | S 10 | SSW 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
| kJ | — | — | — | 8 | 9 | 9 | — | — | — | — | 7 | 22 | 141 | 100 | 8 | 78 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | E 10 | SE 13 | SSE 9 | SE 13 | SE 13 | E 10 | E 10 | — | — | E 9 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 2 | 7 | 33 | 7 | 7 | 2 | 2 | — | — | 2 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | S 12 | S 11 | S 11 | S 11 | — | S 11 | SSW 6 | S 6 | — | — | — | W 3 | W 3 | W 3 | — | — | NNE 2 | — | — | NW 3 |
| kJ | — | — | — | — | 1187 | 970 | 866 | 843 | — | 507 | 77 | 92 | — | — | — | 5 | 5 | 2 | — | — | 1 | — | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 118 | 155 | 156 | 25 | 25 | 25 | 30 | 25 | 156 | 233 | 156 | 7 | 3 | 0 | 0 | 0 | 0 | 7 | 11 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Uruguay - South | ||||||||||||||||||||||||
Best forecast wave conditions in Uruguay | ||||||||||||||||||||||||
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