La Posta Surf Break

Lat Long: 34.92° S 54.85° W

La Posta 48 hour detailed Surf Forecast

Issued: 2 pm 04 Sep 2026 (local time)

Forecast update in  hr  min

Today's La Posta sea temperature is
13.2°C
2.1° 

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 (04 Sep):

  • Afternoon surf: Afternoon surf (04 Sep, local time) - 3.5ft (1.1m), 7s period with SSW swell.
  • Evening surf: Evening surf (04 Sep, local time) - 3ft (0.9m), 8s period with SSW swell.

The current surf forecast for La Posta at 11PM is: 0.9m 8s primary swell from a South direction and 0.2m 10s secondary swell from a East-southeast direction (forecast issued at 02:00pm September 04). The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (04 Sep)--
Afternoon (04 Sep)3.5ft (1.1m)7s
Evening (04 Sep)3ft (0.9m)8s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Fri night. Very mild (max 10°C on Fri afternoon, min 7°C on Sat night). Winds decreasing (strong winds from the S on Sat night, calm by Sun night).

Fri
4
Saturday
5
Sunday
6
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
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)
1.1
SSW
7
1.1
SSW
7
1.1
S
8
0.9
SSW
8
0.8
S
8
0.7
S
7
0.8
SSW
7
1.2
SSW
5
1.4
SSW
6
1.7
SSW
6
1.8
SSW
7
1.8
S
7
2.3
S
7
2.3
S
8
2.2
S
8
2.3
S
8
2.2
S
9
1.9
SSE
9
1.8
SSE
9
1.6
SSE
9
Wave Graph
Metric surfscale
Energy kJ
118
140
142
96
72
54
68
61
128
220
289
293
554
664
639
703
749
612
521
406
Wind (km/h)
25
WSW
25
WSW
20
WSW
10
W
15
NNW
20
W
25
SW
30
SW
30
SW
35
SW
35
SW
35
S
40
S
35
SSW
30
S
30
S
25
S
20
S
15
S
15
SSE
Wind State
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
cross-on
High Tide
1:14PM0.32m
7:44AM0.17m
2:24PM0.31m
4:24AM0.16m
7:55AM0.16m
3:44PM0.30m
Low Tide
9:56PM0.02m
8:53AM0.17m
10:59PM0.04m
6:02AM0.16m
9:53AM0.15m
clear
clear
clear
clear
clear
clear
rain showers
clear
clear
rain showers
clear
light rain
rain showers
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:52
6:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:22
6:22
6:22
 mm
1
1
1
1
Temp °C
10
10
10
10
10
10
10
10
10
10
9
9
8
7
7
8
8
8
8
8
Feels °C
4
4
5
6
5
5
4
3
2
1
1
1
-2
-2
-2
0
0
2
3
3
  • 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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