La Posta Surf Break

Lat Long: 34.92° S 54.85° W

La Posta 48 hour detailed Surf Forecast

Issued: 8 pm 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's La Posta sea temperature is
13.1°C
1.9° 

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 (05 Sep):

  • Evening surf: Evening surf (05 Sep, local time) - 7ft (2.1m), 7s period with S swell.

The current surf forecast for La Posta at 11PM is: 2.1m 7s primary swell from a South direction and 0.1m 9s secondary swell from a East direction (forecast issued at 08:00pm September 05). The wind direction is predicted to be onshore.

Time (-03) & DateWave HeightWave Period
Morning (05 Sep)--
Afternoon (05 Sep)--
Evening (05 Sep)7ft (2.1m)7s

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 Tue afternoon, min 6°C on Sun night). Winds decreasing (fresh winds from the S on Sat night, calm by Sun night).

Sat
5
Sunday
6
Monday
7
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
1
2
2
2
2
2
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)
2
SSW
7
2.1
S
7
2.1
S
8
2.3
S
8
2.1
S
8
2.2
S
9
2
S
9
1.9
SSE
10
1.7
SSE
9
1.6
SSE
9
1.5
SSE
9
1.4
SSE
9
1.3
SSE
9
1.2
SSE
9
1.2
SSE
9
1.1
SSE
9
1.1
SE
9
1
SSE
9
Wave Graph
Metric surfscale
Energy kJ
360
452
486
664
630
715
661
631
487
415
359
308
268
227
222
190
174
154
Wind (km/h)
35
SSW
35
S
40
S
35
SSW
30
S
30
S
25
S
20
S
15
S
10
SSE
0
SE
5
NNW
5
NW
10
NNW
5
N
5
SE
15
E
15
NNE
Wind State
on
on
on
on
on
on
on
on
on
on
glassy
glassy
cross-off
off
glassy
cross-on
cross
cross-off
High Tide
4:24AM0.16m
7:55AM0.16m
3:44PM0.30m
5:04AM0.17m
5:06PM0.30m
Low Tide
10:59PM0.04m
6:02AM0.16m
9:53AM0.15m
00:04AM0.06m
11:12AM0.13m
light rain
rain showers
light rain
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:52
6:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:22
6:22
6:23
 mm
1
1
1
Temp °C
9
9
8
7
7
8
8
8
8
8
8
7
6
6
8
9
10
11
Feels °C
0
0
-1
-3
-1
0
1
2
3
4
6
4
3
3
5
6
5
6
  • 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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