La Posta Surf Break

Lat Long: 34.92° S 54.85° W

La Posta 48 hour detailed Surf Forecast

Issued: 8 pm 06 Sep 2026 (local time)

Forecast update in  hr  min

Today's La Posta sea temperature is
13.0°C
1.8° 

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 (07 Sep):

  • Evening surf: Evening surf (07 Sep, local time) - 5ft (1.6m), 9s period with SSE swell.

The current surf forecast for La Posta at 12AM is: 1.4m 9s primary swell from a South-southeast direction and 0.1m 9s secondary swell from a East direction (forecast issued at 08:00pm September 06). The wind direction is predicted to be onshore.

Time (-03) & DateWave HeightWave Period
Morning (07 Sep)--
Afternoon (07 Sep)--
Evening (07 Sep)5ft (1.6m)9s

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 6°C on Mon morning). Wind will be generally light.

Sun
6
Monday
7
Tuesday
8
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
1
1
2
2
2
2
0
0
0
1
1
1
1
1
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)
1.6
SSE
9
1.6
SSE
9
1.4
SSE
9
1.4
SSE
9
1.3
SSE
9
1.2
SSE
9
1.2
SSE
9
1.1
SSE
9
1.1
SSE
9
1
SSE
9
1
SSE
9
1
SSE
9
0.9
SSE
9
0.9
SSE
9
0.9
SSE
9
0.7
S
9
0.6
S
9
0.4
SE
10
Wave Graph
Metric surfscale
Energy kJ
471
400
300
315
268
227
227
190
186
144
144
165
130
133
121
79
59
35
Wind (km/h)
15
S
10
S
5
S
0
SW
5
NW
10
NNW
0
NNW
10
SE
15
ESE
20
ENE
15
NE
15
NNE
15
NNE
10
N
5
NE
10
E
20
ENE
20
ENE
Wind State
on
on
on
glassy
glassy
cross-off
glassy
cross-on
cross
cross-off
cross-off
off
cross-off
off
cross-off
cross
cross-off
cross-off
High Tide
3:44PM0.30m
5:04AM0.17m
5:06PM0.30m
5:45AM0.19m
6:18PM0.29m
Low Tide
00:04AM0.06m
11:12AM0.13m
1:08AM0.08m
12:40PM0.10m
cloud
cloud
part cloud
cloud
cloud
part cloud
clear
clear
part cloud
cloud
cloud
cloud
cloud
clear
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:22
6:23
6:24
 mm
Temp °C
8
8
7
7
7
6
8
9
8
9
11
10
9
9
12
13
11
11
Feels °C
3
4
4
5
4
2
6
5
3
3
6
6
5
6
9
10
6
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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