Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
La Posta surfForecast / South / Uruguay
48hr Weather and Surf, issued 8 am Friday 26 Dec 2025 -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
24.6° C
(Which is 3.9°C warmer than normal for this time of year)How big are the waves at La Posta today?
The current surf forecast for La Posta at 2PM is: 0.9m 4s primary swell from a East direction and 0.4m 9s secondary swell from a South direction (forecast issued at 08:00am December 26). An open ocean swell of 0.2m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Dec) | 1ft (0.3m) | 7s |
| Afternoon (26 Dec) | 1.5ft (0.4m) | 9s |
| Evening (26 Dec) | 1.5ft (0.4m) | 8s |
Table - waves today at La Posta. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 26 | Saturday 27 | Sunday 28 | Mon 29 | |||||||||||||||||||||
| 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 9 | 9 | 8 | 8 | 8 | 10 | 10 | 7 | 7 | 7 | 11 | 10 | 10 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 5 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 15 | 9 | 26 | 26 | 23 | 21 | 11 | 18 | 30 | 44 | 34 | 33 | 20 | 18 | 17 | 22 | 22 | 23 | 15 | 17 | 16 | 10 | 8 | 7 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | glass | cross- on | cross | cross | cross- off | cross- off | off | cross- off | cross- off | cross | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- off | cross- on | cross- on | cross- on | cross- off | off | off |
High Tide / height (m) | 12:53PM 0.21 | 4:55PM 0.20 | 12:32AM 0.23 | 5:52PM 0.21 | 1:25AM 0.25 | 6:40PM 0.22 | 2:28AM 0.28 | |||||||||||||||||
Low Tide / height (m) | 8:03AM 0.10 | 3:40PM 0.20 | 8:37PM 0.16 | 8:59AM 0.07 | 9:21PM 0.18 | 9:55AM 0.03 | 10:00PM 0.19 | |||||||||||||||||
Friday 26 | Saturday 27 | Sunday 28 | Mon 29 | |||||||||||||||||||||
| Sunrise | 5:24 | - | - | - | - | - | - | - | 5:24 | - | - | - | - | - | - | - | 5:24 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:53 | - | - | - | - | - | - | - | 7:54 | - | - | - | - | - | - | - | 7:54 | - | - | - |
 | | | | |  | | | |  | |  |  |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | 1 | 3 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 23 | 24 | 25 | 24 | 24 | 25 | 25 | 26 | 29 | 29 | 26 | 23 | 21 | 21 | 21 | 20 | 22 | 24 | 24 | 23 | 21 | 21 | 21 |
| Feels °C (?) | 19 | 25 | 23 | 22 | 20 | 21 | 23 | 24 | 23 | 27 | 28 | 26 | 25 | 20 | 20 | 20 | 19 | 22 | 23 | 21 | 20 | 19 | 17 | 17 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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