Surf Forecasts:
How big are the waves at La Posta today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 7ft (2.1m), 8s period with S swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 6.5ft (2.0m), 8s period with S swell.
- Evening surf: Evening surf (21 Aug, local time) - 6.5ft (2.0m), 9s period with S swell.
The current surf forecast for La Posta at 5AM is: 2.1m 7s primary swell from a South direction and 0.1m 12s secondary swell from a East direction (forecast issued at 08:00pm August 20). An open ocean swell of 0.2m 8s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 7ft (2.1m) | 8s |
| Afternoon (21 Aug) | 6.5ft (2.0m) | 8s |
| Evening (21 Aug) | 6.5ft (2.0m) | 9s |
Table - waves today at La Posta. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 11°C on Thu night, min 8°C on Thu night). Winds decreasing (strong winds from the SSW on Thu night, moderate winds from the SSW by Sun afternoon). | ||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | ||||||||||||||||
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 |  | |  |  |  |  |  | |||||||||||
Wave Height (m) Direction Period (s) | SSW 6 | SSW 4 | S 6 | S 7 | S 8 | S 8 | S 8 | S 8 | S 9 | S 9 | S 10 | S 10 | SSW 10 | S 10 | SSW 10 | S 12 | S 12 | S 12 |
Wave Graph  | ||||||||||||||||||
 kJ | 14 | 16 | 183 | 377 | 551 | 510 | 545 | 520 | 607 | 642 | 641 | 697 | 727 | 555 | 870 | 763 | 805 | 675 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross |
High Tide | 4:53AM0.18m | 3:07PM0.26m | 5:30AM0.18m | 4:10PM0.26m | ||||||||||||||
Low Tide | 10:21PM0.07m | 7:46AM0.17m | 11:10PM0.08m | 8:32AM0.17m | ||||||||||||||
 |  |  |  | |  | |  | | | | | | |  | | | | |
 | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:11 | — | — | — | — | — |
 | 6:10 | — | — | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:13 | — |
mm | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 11 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 10 | 10 |
Feels °C | 7 | 4 | -1 | -1 | -1 | -1 | -1 | 1 | 1 | 2 | 2 | 2 | 1 | 0 | -1 | -2 | 2 | 3 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | E 4 | ENE 8 | ENE 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | S 10 | S 10 | S 12 | S 12 | S 12 |
| kJ | 13 | 3 | 6 | 6 | 5 | 6 | 5 | 1 | 1 | 1 | 1 | 1 | — | 555 | 627 | 763 | 805 | 675 |
Swell 2 Height (m) Direction Period (s) | ESE 3 | ENE 8 | SE 12 | E 12 | — | — | — | — | — | — | — | — | — | — | SSE 12 | — | — | — |
| kJ | 1 | 6 | 6 | 3 | — | — | — | — | — | — | — | — | — | — | 160 | — | — | — |
Swell 3 Height (m) Direction Period (s) | E 12 | E 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 6 | SSW 4 | S 6 | S 7 | S 8 | S 8 | S 8 | S 8 | S 9 | S 9 | S 10 | S 10 | SSW 10 | WSW 5 | SSW 10 | WSW 5 | WSW 5 | WSW 5 |
| kJ | 14 | 16 | 183 | 377 | 551 | 510 | 545 | 520 | 607 | 642 | 641 | 697 | 727 | 49 | 870 | 111 | 97 | 58 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 743 | 904 | 743 | 772 | 915 | 947 | 915 | 1038 | 947 | 156 | 155 | 71 | 71 | 71 | 118 | 159 | 159 | 25 |
Best forecast wave conditions in Uruguay - South | ||||||||||||||||||
Best forecast wave conditions in Uruguay | ||||||||||||||||||
Header Global | ||||||||||||||||||
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