La Posta Surf Break

Lat Long: 34.92° S 54.85° W

La Posta 48 hour detailed Surf Forecast

Issued: 2 am 22 Sep 2026 (local time)

Forecast update in  hr  min

Today's La Posta sea temperature is
12.7°C
0.8° 

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 (22 Sep):

  • Morning surf: Morning surf (22 Sep, local time) - 8ft (2.5m), 9s period with SSW swell.
  • Afternoon surf: Afternoon surf (22 Sep, local time) - 7ft (2.1m), 12s period with S swell.
  • Evening surf: Evening surf (22 Sep, local time) - 8ft (2.4m), 14s period with S swell.

The current surf forecast for La Posta at 7AM is: 2.5m 9s primary swell from a South-southwest direction and 0.4m 10s secondary swell from a East direction (forecast issued at 02:00am September 22). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (22 Sep)8ft (2.5m)9s
Afternoon (22 Sep)7ft (2.1m)12s
Evening (22 Sep)8ft (2.4m)14s

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


Short Range Forecast

Mostly dry. Warm (max 20°C on Thu afternoon, min 7°C on Tue night). Winds decreasing (fresh winds from the SSW on Tue morning, calm by Tue night).

Tuesday
22
Wednesday
23
Thursday
24
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
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
2
4
4
4
4
4
4
3
3
3
3
3
2
2
2
2
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
SSW
9
3
SSW
10
2.5
SSW
10
2.5
SSW
9
2.1
S
9
2.1
S
12
2.3
S
13
2.4
S
14
2.4
SSE
14
2.2
SSE
13
2.1
SSE
13
1.9
SSE
13
1.8
SSE
13
1.7
SSE
13
1.7
SSE
13
1.6
SSE
13
1.5
SSE
13
1.3
SSE
13
1.3
SSE
13
1.2
SSE
13
1.1
SE
13
0.9
SSE
13
0.9
SE
13
0.7
SE
12
Wave Graph
Metric surfscale
Energy kJ
1368
1601
1271
888
663
1335
1866
2623
2049
1679
1490
1211
1077
1011
922
812
722
606
545
472
400
299
241
157
Wind (km/h)
50
SW
45
SW
40
SW
35
SSW
30
SSW
35
SW
25
SSW
20
SSW
5
SSW
5
N
15
NNW
20
N
15
N
10
NNW
15
N
20
N
20
N
20
N
15
N
20
N
20
N
20
NNW
15
N
15
NNE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
glassy
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
High Tide
6:17AM0.19m
5:55PM0.23m
6:35AM0.20m
6:52PM0.24m
6:51AM0.21m
7:42PM0.24m
Low Tide
11:25PM0.11m
10:35AM0.15m
00:10AM0.12m
11:46AM0.13m
1:05AM0.14m
1:00PM0.10m
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
part cloud
part cloud
clear
part cloud
cloud
part cloud
cloud
cloud
clear
clear
clear
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:28
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:35
6:36
6:37
 mm
Temp °C
10
9
8
8
8
9
9
9
9
8
7
7
11
14
14
12
10
10
10
11
17
20
19
16
Feels °C
-1
-1
-1
-1
0
1
2
3
6
5
3
2
7
10
10
7
5
6
6
7
13
16
16
14
  • 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.


Nearest locationNearest