La Posta Surf Break

Lat Long: 34.92° S 54.85° W

La Posta 48 hour detailed Surf Forecast

Issued: 2 pm 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's La Posta sea temperature is
12.8°C
1.6° 

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 (08 Sep):

  • Afternoon surf: Afternoon surf (08 Sep, local time) - 2.5ft (0.7m), 9s period with S swell.
  • Evening surf: Evening surf (08 Sep, local time) - 1.5ft (0.5m), 8s period with S swell.

The current surf forecast for La Posta at 5PM is: 0.7m 9s primary swell from a South direction and 0.4m 8s secondary swell from a Southeast direction (forecast issued at 02:00pm September 08). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (-03) & DateWave HeightWave Period
Morning (08 Sep)--
Afternoon (08 Sep)2.5ft (0.7m)9s
Evening (08 Sep)1.5ft (0.5m)8s

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


Short Range Forecast

Mostly dry. Very mild (max 14°C on Wed afternoon, min 10°C on Tue night). Wind will be generally light.

Tue
8
Wednesday
9
Thursday
10
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
0
0
1
1
1
0
0
0
0
1
1
1
1
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)
0.9
SSE
9
0.7
S
9
0.6
S
9
0.5
S
8
0.3
SSE
12
0.3
SSE
12
0.4
S
12
0.3
SSE
11
0.3
SSE
12
0.3
SSE
16
0.5
S
15
0.5
S
14
0.5
S
14
0.5
S
13
0.4
SSE
12
0.4
SSE
12
0.4
S
11
0.4
S
11
0.4
S
11
0.3
S
11
Wave Graph
Metric surfscale
Energy kJ
121
79
57
35
29
28
43
25
26
48
115
106
93
82
49
46
40
39
36
20
Wind (km/h)
5
NNE
10
E
20
ENE
20
NE
15
NNE
15
N
5
NNW
5
N
10
ENE
15
E
20
E
20
NE
15
NNE
15
NE
10
ENE
5
ENE
15
E
20
E
20
E
20
E
Wind State
cross-off
cross
cross-off
cross-off
cross-off
off
cross-off
glassy
cross-off
cross-off
cross
cross-off
off
cross-off
cross-off
cross-off
cross
cross
cross
cross
High Tide
6:18PM0.29m
6:27AM0.22m
7:20PM0.27m
7:10AM0.25m
8:16PM0.26m
Low Tide
12:40PM0.10m
2:07AM0.11m
1:59PM0.07m
3:01AM0.13m
3:05PM0.04m
part cloud
cloud
cloud
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:24
6:25
6:25
 mm
Temp °C
12
12
11
11
10
10
10
10
12
14
12
11
11
10
11
10
14
14
13
12
Feels °C
9
9
7
7
6
6
8
8
9
10
8
7
8
6
8
8
11
10
9
9
  • 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.


Nearest locationNearest