
Surf Forecasts:
How big are the waves at La Posta today (20 Sep):
- Afternoon surf: Afternoon surf (20 Sep, local time) - 3.5ft (1.0m), 9s period with E swell.
- Evening surf: Evening surf (20 Sep, local time) - 3.5ft (1.0m), 9s period with E swell.
The current surf forecast for La Posta at 6PM is: 1.0m 9s primary swell from a East direction and 0.2m 9s secondary swell from a South direction (forecast issued at 02:00pm September 20). The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | - | - |
| Afternoon (20 Sep) | 3.5ft (1.0m) | 9s |
| Evening (20 Sep) | 3.5ft (1.0m) | 9s |
Table - waves today at La Posta. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Sun night. Very mild (max 19°C on Sun afternoon, min 6°C on Tue night). Winds increasing (calm on Sun afternoon, near gales from the WSW by Mon afternoon). | ||||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||
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) | E 8 | E 9 | E 9 | E 9 | E 11 | E 10 | E 10 | E 10 | WSW 6 | WSW 6 | WSW 7 | SW 8 | SSW 8 | SSW 10 | SSW 9 | SSW 9 | SSW 9 | S 12 | S 13 | S 14 |
Wave Graph | ||||||||||||||||||||
98 | 153 | 164 | 155 | 287 | 242 | 188 | 146 | 246 | 384 | 562 | 796 | 966 | 1233 | 839 | 727 | 631 | 1334 | 1998 | 2499 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | cross-off | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 3:20PM0.23m | 5:54AM0.19m | 4:47PM0.23m | 6:17AM0.19m | 5:55PM0.23m | |||||||||||||||
Low Tide | 10:48PM0.10m | 9:26AM0.17m | 11:25PM0.11m | 10:35AM0.15m | ||||||||||||||||
— | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | |
— | — | 6:34 | — | — | — | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:35 | — | |
mm | — | — | — | 1 | 11 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — |
Temp °C | 18 | 19 | 19 | 15 | 13 | 13 | 12 | 13 | 13 | 13 | 11 | 10 | 9 | 8 | 8 | 8 | 9 | 9 | 9 | 9 |
Feels °C | 18 | 20 | 20 | 10 | 12 | 8 | 6 | 7 | 4 | 2 | 0 | -1 | -1 | -1 | 0 | 1 | 2 | 1 | 2 | 4 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 9 | E 9 | E 9 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | S 14 | E 10 | E 10 | S 14 |
98 | 153 | 164 | 155 | 287 | 242 | 188 | 146 | 113 | 89 | 68 | 48 | 50 | 33 | 33 | 18 | 33 | 19 | 19 | 2499 | |
Swell 2 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | E 12 | S 8 | S 11 | S 11 | S 10 | S 10 | S 10 | — | — | — | — | — | — | E 10 | — | — | E 10 |
6 | 6 | 6 | 41 | 5 | 9 | 9 | 2 | 2 | 2 | — | — | — | — | — | — | 19 | — | — | 8 | |
Swell 3 Height (m) Direction Period (s) | — | — | S 12 | S 8 | S 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | 3 | 5 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SW 4 | SW 4 | WSW 5 | WSW 5 | WSW 6 | WSW 6 | WSW 7 | SW 8 | SSW 8 | SSW 10 | SSW 9 | SSW 9 | SSW 9 | S 12 | S 13 | — |
— | — | — | — | 10 | 13 | 40 | 109 | 246 | 384 | 562 | 796 | 966 | 1233 | 839 | 727 | 631 | 1334 | 1998 | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1 | 0 | 0 | 25 | 7 | 398 | 71 | 118 | 118 | 683 | 810 | 652 | 652 | 245 | 159 | 245 | 233 | 233 | 233 | 75 |
Best forecast wave conditions in Uruguay - South | ||||||||||||||||||||
Best forecast wave conditions in Uruguay | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)











