La Posta Surf Break

Lat Long: 34.92° S 54.85° W

La Posta 48 hour detailed Surf Forecast

Issued: 8 am 16 Sep 2026 (local time)

Forecast update in  hr  min

Today's La Posta sea temperature is
12.7°C
1.3° 

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 (16 Sep):

  • Morning surf: Morning surf (16 Sep, local time) - 3.5ft (1.1m), 7s period with S swell.
  • Afternoon surf: Afternoon surf (16 Sep, local time) - 4ft (1.2m), 9s period with S swell.
  • Evening surf: Evening surf (16 Sep, local time) - 3.5ft (1.1m), 9s period with SSE swell.

The current surf forecast for La Posta at 3PM is: 1.2m 9s primary swell from a South direction and 0.2m 8s secondary swell from a East direction (forecast issued at 08:00am September 16). The wind direction is predicted to be cross-shore.

Time (-03) & DateWave HeightWave Period
Morning (16 Sep)3.5ft (1.1m)7s
Afternoon (16 Sep)4ft (1.2m)9s
Evening (16 Sep)3.5ft (1.1m)9s

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


Short Range Forecast

Mostly dry. Very mild (max 18°C on Fri afternoon, min 7°C on Wed morning). Wind will be generally light.

Wednesday
16
Thursday
17
Friday
18
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
1
1
0
1
1
1
1
1
1
0
0
1
1
1
1
0
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)
1.2
S
6
1.1
S
7
1.2
S
9
1.2
S
9
1.2
SSE
9
1.1
SSE
9
1.1
SSE
9
1
SSE
9
0.9
SSE
9
0.9
SSE
9
0.9
SSE
9
0.9
SSE
9
0.8
SSE
9
0.7
SSE
9
0.6
SSE
9
0.6
SSE
9
0.5
SSE
9
0.5
SSE
9
0.4
SSE
9
0.3
SE
9
0.2
S
12
0.2
S
12
Wave Graph
Metric surfscale
Energy kJ
113
120
246
251
259
225
225
185
149
146
119
119
94
86
64
62
43
42
32
13
12
11
Wind (km/h)
15
SSE
15
SSE
10
SE
15
ESE
20
E
20
NE
20
NNE
20
NNE
15
N
15
N
5
N
10
ESE
15
E
15
NE
15
NNE
15
NNE
15
NE
15
NE
20
NE
20
ENE
25
ENE
20
NE
Wind State
on
cross-on
cross-on
cross
cross
cross-off
cross-off
off
off
off
off
cross
cross
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
5:29AM0.19m
11:37AM0.28m
1:10AM0.18m
12:21PM0.27m
2:38AM0.17m
1:08PM0.26m
Low Tide
6:57AM0.18m
8:07PM0.06m
3:19AM0.17m
8:50PM0.07m
3:47AM0.17m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:37
6:35
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:30
6:30
6:31
 mm
Temp °C
7
7
8
9
9
8
8
8
9
10
15
17
17
17
16
14
13
13
17
18
17
14
Feels °C
3
3
5
5
3
2
3
3
5
6
13
15
14
15
13
11
9
9
13
14
13
11
  • 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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