La Posta Surf Break

Lat Long: 34.92° S 54.85° W

La Posta 48 hour detailed Surf Forecast

Issued: 8 pm 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's La Posta sea temperature is
11.5° C
0.9° 

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 (13 Aug):

  • Evening surf: Evening surf (13 Aug, local time) - 5.5ft (1.7m), 14s period with SSE swell.

The current surf forecast for La Posta at 12AM is: 1.2m 14s primary swell from a South-southeast direction and 0.1m 8s secondary swell from a East direction, 1.1m 5s secondary swell from a Southeast direction (forecast issued at 08:00pm August 12). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (13 Aug)--
Afternoon (13 Aug)--
Evening (13 Aug)5.5ft (1.7m)14s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Thu afternoon. Very mild (max 13°C on Sat morning, min 8°C on Wed night). Mainly fresh winds.

Wed
12
Thursday
13
Friday
14
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)
0
0
0
0
0
0
0
2
1
1
1
1
1
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
SSE
13
1.7
SSE
14
1.2
SSE
14
1.1
SSE
13
1
S
13
1
S
12
1
SSE
12
1.4
SSE
12
1.4
SSE
11
1.5
SSE
12
1.7
SE
12
1.4
SSE
12
1.3
SSE
12
1.2
SSE
12
1.1
SSE
11
1
SSE
11
0.9
SSE
11
0.9
SSE
10
Wave Graph
Metric surfscale
Energy kJ
492
1189
571
437
339
319
298
512
522
603
892
531
444
404
314
249
187
173
Wind (km/h)
25
ESE
25
SE
20
SE
20
SE
20
SE
25
SE
20
ESE
15
ESE
20
E
20
E
20
E
20
E
25
E
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
8:16PM0.30m
8:17AM0.24m
9:13PM0.28m
9:01AM0.26m
Low Tide
4:15AM0.11m
4:09PM0.06m
5:03AM0.13m
5:11PM0.04m
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
light rain
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:22
7:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:05
6:06
6:07
 mm
1
Temp °C
9
8
8
8
8
9
11
12
11
11
11
11
11
12
12
12
12
12
Feels °C
4
3
3
3
3
4
7
9
7
6
7
7
6
7
7
7
7
7
  • 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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