La Posta Surf Break

Lat Long: 34.92° S 54.85° W

La Posta 48 hour detailed Surf Forecast

Issued: 2 pm 11 Aug 2026 (local time)

Forecast update in  hr  min

Today's La Posta sea temperature is
11.7° C
1.1° 

La Posta surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at La Posta today (11 Aug):

  • Afternoon surf: Afternoon surf (11 Aug, local time) - 5ft (1.6m), 12s period with SSE swell.
  • Evening surf: Evening surf (11 Aug, local time) - 5ft (1.5m), 11s period with SSE swell.

The current surf forecast for La Posta at 5PM is: 1.5m 12s primary swell from a South-southeast direction (forecast issued at 02:00pm August 11). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (11 Aug)--
Afternoon (11 Aug)5ft (1.6m)12s
Evening (11 Aug)5ft (1.5m)11s

Table - waves today at La Posta. (Swell directed towards the surf break)


Short Range Forecast

Light rain (total 9mm), mostly falling on Wed afternoon. Very mild (max 13°C on Fri morning, min 6°C on Tue afternoon). Wind will be generally light.

Tue
11
Wednesday
12
Thursday
13
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
Rating
(10 max)
1
0
0
2
2
1
0
2
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
SSE
12
1.6
SSE
12
1.5
SSE
12
1.5
SSE
11
1.5
SSE
11
1.4
SSE
11
1.4
SSE
11
1.5
SSE
11
1.5
SSE
13
1.5
SSE
13
1.4
SSE
13
1.4
SSE
14
1.3
SSE
14
1.2
SSE
13
1.1
S
13
1
S
13
1
S
12
1
SSE
12
1.3
SSE
11
1.3
SSE
11
Wave Graph
Metric surfscale
Energy kJ
767
671
573
553
553
477
477
563
721
755
623
721
665
515
408
324
289
288
416
352
Wind (km/h)
15
SE
15
SE
20
ESE
15
ESE
15
E
15
E
15
E
15
ESE
20
ESE
15
SE
20
SE
25
SE
25
SE
20
SE
20
SE
25
SE
20
SE
20
ESE
20
E
20
E
Wind State
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
High Tide
7:16PM0.32m
7:35AM0.21m
8:16PM0.30m
8:17AM0.24m
Low Tide
1:23PM0.11m
3:23AM0.08m
2:58PM0.08m
4:15AM0.11m
4:09PM0.06m
cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
light rain
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:22
7:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:05
6:05
6:06
 mm
2
4
3
Temp °C
7
7
6
7
7
7
8
8
9
9
8
8
8
8
8
9
11
12
12
12
Feels °C
3
3
1
3
4
3
4
5
5
5
3
3
3
3
3
4
7
7
8
8
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our La Posta surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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