La Posta Surf Break

Lat Long: 34.92° S 54.85° W

La Posta 48 hour detailed Surf Forecast

Issued: 8 pm 08 Aug 2026 (local time)

Forecast update in  hr  min

Today's La Posta sea temperature is
12.1° 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 (09 Aug):

  • Morning surf: Morning surf (09 Aug, local time) - 4.5ft (1.3m), 7s period with SSW swell.
  • Afternoon surf: Afternoon surf (09 Aug, local time) - 6ft (1.8m), 6s period with SW swell.
  • Evening surf: Evening surf (09 Aug, local time) - 6ft (1.9m), 7s period with SW swell.

The current surf forecast for La Posta at 1AM is: 1.7m 7s primary swell from a Southwest direction and 0.6m 10s secondary swell from a South-southeast direction, 0.1m 9s secondary swell from a East direction (forecast issued at 08:00pm August 08). The wind direction is predicted to be cross-shore.

Time (-03) & DateWave HeightWave Period
Morning (09 Aug)4.5ft (1.3m)7s
Afternoon (09 Aug)6ft (1.8m)6s
Evening (09 Aug)6ft (1.9m)7s

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


Short Range Forecast

Mostly dry. Very mild (max 10°C on Sat night, min 6°C on Mon night). Winds decreasing (fresh winds from the WSW on Sun morning, light winds from the SSE by Mon night).

Sat
8
Sunday
9
Monday
10
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
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
WSW
6
1.6
SW
6
1.7
SW
7
1.7
SW
7
1.4
SSW
7
1.3
SSW
7
1.8
SW
6
1.8
SW
6
1.8
SW
6
1.9
SW
7
2.1
SSW
7
1.8
SSW
8
1.8
SSW
7
1.7
S
7
1.8
S
10
1.7
S
11
1.7
S
12
1.7
SSE
12
Wave Graph
Metric surfscale
Energy kJ
189
196
246
271
183
154
221
240
228
315
456
358
310
320
703
683
773
819
Wind (km/h)
40
WSW
30
WSW
30
W
30
WSW
30
W
30
W
35
WSW
35
WSW
35
WSW
35
SW
35
SSW
30
SSW
30
SSW
30
S
25
S
20
S
15
S
15
SSE
Wind State
cross-on
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
High Tide
3:51PM0.33m
5:52AM0.16m
5:04PM0.34m
6:20AM0.17m
6:13PM0.33m
Low Tide
00:15AM0.02m
8:58AM0.15m
1:22AM0.03m
10:23AM0.13m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
clear
cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:26
7:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:01
6:02
6:04
 mm
Temp °C
10
10
9
9
9
9
10
10
10
10
9
9
9
8
8
8
8
7
Feels °C
1
2
1
1
1
1
1
2
2
1
1
1
2
0
1
3
4
2
  • 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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