La Posta Surf Break

Lat Long: 34.92° S 54.85° W

La Posta 48 hour detailed Surf Forecast

Issued: 2 pm 03 Sep 2026 (local time)

Forecast update in  hr  min

Today's La Posta sea temperature is
12.7°C
1.5° 

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 (03 Sep):

  • Afternoon surf: Afternoon surf (03 Sep, local time) - 2.5ft (0.8m), 11s period with E swell.
  • Evening surf: Evening surf (03 Sep, local time) - 2ft (0.6m), 11s period with E swell.

The current surf forecast for La Posta at 8PM is: 0.7m 11s primary swell from a East direction and 0.6m 5s secondary swell from a Southwest direction, 0.8m 5s secondary swell from a West-southwest direction (forecast issued at 02:00pm September 03). The wind direction is predicted to be cross-shore.

Time (-03) & DateWave HeightWave Period
Morning (03 Sep)--
Afternoon (03 Sep)2.5ft (0.8m)11s
Evening (03 Sep)2ft (0.6m)11s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Sat night. Very mild (max 14°C on Thu afternoon, min 8°C on Sat night). Winds increasing (calm on Fri night, fresh winds from the SW by Sat afternoon).

Thu
3
Friday
4
Saturday
5
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)
0
0
0
0
0
0
0
0
0
0
0
1
1
1
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)
0.8
E
11
0.8
E
11
0.7
E
11
0.6
E
11
0.6
E
11
0.5
E
10
0.5
E
10
0.9
SSW
6
1
S
7
1.1
S
7
1
S
8
0.9
S
8
0.8
S
7
0.7
S
7
0.6
S
7
0.9
SSW
7
1.2
SSW
5
1.5
SSW
6
1.7
SSW
6
1.9
SSW
7
Wave Graph
Metric surfscale
Energy kJ
146
146
112
83
83
56
55
62
100
131
115
90
70
54
39
76
74
134
218
316
Wind (km/h)
30
W
25
W
20
W
10
SSW
15
S
15
SW
20
SW
20
SW
25
SW
20
SW
15
SW
5
SW
15
NNW
15
NNW
20
W
25
SW
30
SW
35
SW
35
SW
35
SSW
Wind State
cross
cross
cross
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
glassy
off
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
12:14PM0.32m
2:13AM0.16m
6:56AM0.19m
1:14PM0.32m
7:44AM0.17m
2:24PM0.31m
Low Tide
8:57PM0.01m
3:08AM0.16m
8:10AM0.19m
9:56PM0.02m
8:53AM0.17m
cloud
cloud
part cloud
clear
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:54
6:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:21
6:22
6:22
 mm
Temp °C
13
13
14
13
11
10
10
10
11
11
10
10
9
9
9
10
10
9
9
9
Feels °C
6
7
9
10
8
6
5
5
6
6
6
8
5
4
4
4
3
1
1
1
  • 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