La Posta Surf Break

Lat Long: 34.92° S 54.85° W

La Posta 48 hour detailed Surf Forecast

Issued: 8 am 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):

  • Morning surf: Morning surf (05 Sep, local time) - 4.5ft (1.3m), 5s period with SSW swell.
  • Afternoon surf: Afternoon surf (05 Sep, local time) - 6ft (1.8m), 6s period with SSW swell.
  • Evening surf: Evening surf (05 Sep, local time) - 6.5ft (2.0m), 7s period with S swell.

The current surf forecast for La Posta at 12PM is: 1.5m 6s primary swell from a South-southwest direction and 0.2m 11s secondary swell from a East direction (forecast issued at 08:00am September 05). An open ocean swell of 0.2m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (05 Sep)4.5ft (1.3m)5s
Afternoon (05 Sep)6ft (1.8m)6s
Evening (05 Sep)6.5ft (2.0m)7s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Sat afternoon. Very mild (max 11°C on Mon afternoon, min 6°C on Sun night). Winds decreasing (strong winds from the SW on Sat afternoon, calm by Sun night).

Saturday
5
Sunday
6
Monday
7
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
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
1
1
2
2
2
2
1
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
SSW
7
1.3
SSW
5
1.5
SSW
6
1.8
SSW
6
2
SSW
7
2
S
7
2.1
S
7
2.3
S
8
2.2
S
8
2.2
S
8
2.1
S
9
2
SSE
9
1.8
SSE
9
1.6
SSE
9
1.5
SSE
9
1.4
SSE
9
1.3
SSE
9
1.2
SSE
9
1.1
SSE
9
1.1
SSE
9
1
SSE
9
1.1
SE
8
Wave Graph
Metric surfscale
Energy kJ
101
93
164
262
371
404
465
616
624
650
710
655
521
406
359
308
268
227
194
190
141
166
Wind (km/h)
25
SW
30
SW
35
SW
40
SW
35
SSW
35
S
40
S
35
SSW
35
S
35
S
25
S
20
S
15
S
10
SSE
5
ESE
5
NNE
10
NNW
10
N
5
NNE
10
E
20
ENE
20
NE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
glassy
glassy
off
off
cross-off
cross
cross-off
cross-off
High Tide
7:44AM0.17m
2:24PM0.31m
4:24AM0.16m
7:55AM0.16m
3:44PM0.30m
5:04AM0.17m
5:06PM0.30m
Low Tide
8:53AM0.17m
10:59PM0.04m
6:02AM0.16m
9:53AM0.15m
00:04AM0.06m
11:12AM0.13m
clear
clear
clear
clear
rain showers
rain showers
rain showers
cloud
cloud
light rain
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:52
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
1
Temp °C
10
10
10
10
9
9
8
7
7
7
8
8
8
8
8
7
6
6
9
10
11
10
Feels °C
3
3
2
1
0
0
-2
-2
-2
-2
1
2
3
4
5
4
3
3
6
6
6
5
  • 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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