La Posta Surf Break

Lat Long: 34.92° S 54.85° W

La Posta 48 hour detailed Surf Forecast

Issued: 2 pm 21 Jul 2026 (local time)

Forecast update in  hr  min

Today's La Posta sea temperature is
11.6° C
1.0° 

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 (21 Jul):

  • Afternoon surf: Afternoon surf (21 Jul, local time) - 4ft (1.2m), 6s period with SE swell.
  • Evening surf: Evening surf (21 Jul, local time) - 3ft (0.9m), 6s period with ESE swell.

The current surf forecast for La Posta at 8PM is: 0.9m 6s primary swell from a East-southeast direction and 0.6m 7s secondary swell from a South direction (forecast issued at 02:00pm July 21). An open ocean swell of 0.3m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (21 Jul)--
Afternoon (21 Jul)4ft (1.2m)6s
Evening (21 Jul)3ft (0.9m)6s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Tue afternoon. Very mild (max 13°C on Tue afternoon, min 10°C on Wed afternoon). Mainly fresh winds.

Tue
21
Wednesday
22
Thursday
23
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
1
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
SSE
7
1.2
SE
6
1.1
SE
6
0.9
ESE
6
0.9
ESE
6
0.9
ESE
6
1.2
SSE
6
1.3
SSE
6
1.5
SSE
6
1.6
SSE
6
1.7
SSE
6
1.7
SSE
6
1.5
SSE
7
1.4
SE
7
1
SSE
6
0.8
E
7
0.8
ESE
7
0.8
E
7
1
SE
6
0.9
ESE
6
Wave Graph
Metric surfscale
Energy kJ
91
120
94
69
67
60
103
127
156
182
207
239
199
158
88
70
71
66
78
69
Wind (km/h)
15
SE
15
SE
15
ESE
15
SE
15
SE
15
SE
15
SSE
30
SSE
30
SSE
25
SSE
30
SSE
25
SSE
20
SE
20
SE
15
ESE
10
ENE
15
E
20
E
15
E
15
ENE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
cross
cross
cross
cross-off
High Tide
1:49PM0.26m
6:12AM0.19m
2:54PM0.26m
5:19AM0.19m
3:55PM0.27m
Low Tide
9:17AM0.17m
10:11PM0.05m
9:52AM0.17m
11:05PM0.06m
10:03AM0.18m
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:41
7:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:50
5:50
5:51
 mm
1
1
1
Temp °C
13
12
13
13
13
13
12
11
11
11
10
11
11
11
11
11
12
12
11
11
Feels °C
11
10
11
11
10
10
9
6
5
6
4
6
6
7
8
8
8
7
7
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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