Surf Forecasts:
How big are the waves at La Posta today (18 Sep):
- Afternoon surf: Afternoon surf (18 Sep, local time) - 1ft (0.3m), 9s period with SE swell.
- Evening surf: Evening surf (18 Sep, local time) - 0.5ft (0.2m), 12s period with S swell.
The current surf forecast for La Posta at 5PM is: 0.2m 12s primary swell from a South direction and 0.2m 8s secondary swell from a South-southeast direction, 0.2m 8s secondary swell from a South direction (forecast issued at 02:00pm September 18). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | - | - |
| Afternoon (18 Sep) | 1ft (0.3m) | 9s |
| Evening (18 Sep) | 0.5ft (0.2m) | 12s |
Table - waves today at La Posta. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Sun night. Warm (max 20°C on Fri afternoon, min 12°C on Sun night). Winds increasing (light winds from the SW on Sun afternoon, strong winds from the W by Mon morning). | ||||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||
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 |  |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SSE 8 | SE 9 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 12 | S 10 | S 10 | S 9 | S 9 | S 9 | E 7 | E 7 | E 7 | E 8 | E 9 | E 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 28 | 13 | 12 | 11 | 11 | 10 | 10 | 9 | 11 | 8 | 7 | 16 | 15 | 14 | 126 | 114 | 106 | 143 | 157 | 169 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-on | cross-off | cross-off |
High Tide | 1:08PM0.26m | 2:03PM0.24m | 5:29AM0.18m | 3:20PM0.23m | ||||||||||||||||
Low Tide | 9:31PM0.08m | 10:09PM0.09m | 8:19AM0.17m | |||||||||||||||||
 |  | |  | |  | | | | | | | |  | | | | | | | |
 | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — |
 | — | — | 6:31 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:34 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — |
Temp °C | 18 | 20 | 19 | 16 | 14 | 13 | 13 | 14 | 16 | 17 | 17 | 15 | 15 | 14 | 14 | 15 | 18 | 17 | 16 | 17 |
Feels °C | 15 | 16 | 16 | 13 | 11 | 11 | 11 | 11 | 14 | 14 | 14 | 12 | 12 | 11 | 12 | 14 | 17 | 17 | 16 | 16 |
Swell 1 Height (m) Direction Period (s) | SSE 8 | SE 9 | SSE 8 | S 12 | S 12 | S 11 | S 11 | S 11 | S 12 | S 10 | S 10 | S 9 | S 9 | S 9 | S 8 | E 7 | E 7 | E 8 | E 9 | E 8 |
| kJ | 28 | 12 | 7 | 11 | 11 | 10 | 10 | 9 | 11 | 8 | 7 | 16 | 15 | 14 | 5 | 114 | 106 | 143 | 157 | 169 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 8 | S 8 | SSE 8 | SE 8 | SE 8 | E 11 | E 10 | E 10 | S 12 | S 12 | SW 7 | S 11 | S 11 | S 10 | S 8 | S 9 | S 9 | S 9 | S 8 |
| kJ | 3 | 6 | 6 | 6 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 2 | 2 | 2 | 8 | 6 | 6 | 6 | 6 | 5 |
Swell 3 Height (m) Direction Period (s) | E 11 | S 13 | S 12 | E 11 | E 11 | E 11 | SE 8 | S 8 | S 8 | — | S 7 | — | — | E 12 | E 12 | S 10 | — | — | S 12 | S 12 |
| kJ | 2 | 13 | 12 | 2 | 2 | 2 | 3 | 1 | 1 | — | 1 | — | — | 3 | 3 | 2 | — | — | 3 | 3 |
Wind waves Height (m) Direction Period (s) | ENE 4 | ENE 3 | E 4 | ENE 4 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 6 | ENE 7 | ENE 6 | E 7 | ENE 7 | — | — | — | — |
| kJ | 1 | 3 | 14 | 26 | 30 | 17 | 17 | 26 | 26 | 42 | 74 | 122 | 131 | 147 | 126 | 178 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 65 | 996 | 934 | 934 | 934 | 430 | 280 | 280 | 946 | 934 | 1468 | 1467 | 1445 | 531 | 9 | 0 | 0 | 7 | 0 | 0 |
Best forecast wave conditions in Uruguay - South | ||||||||||||||||||||
Best forecast wave conditions in Uruguay | ||||||||||||||||||||
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