La Posta Surf Break

Lat Long: 34.92° S 54.85° W

La Posta 48 hour detailed Surf Forecast

Issued: 8 pm 18 Jul 2026 (local time)

Forecast update in  hr  min

Today's La Posta sea temperature is
11.1° C
0.4° 

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 (19 Jul):

  • Morning surf: Morning surf (19 Jul, local time) - 2ft (0.6m), 5s period with S swell.
  • Afternoon surf: Afternoon surf (19 Jul, local time) - 3.5ft (1.0m), 6s period with S swell.
  • Evening surf: Evening surf (19 Jul, local time) - 10ft (3.0m), 9s period with S swell.

The current surf forecast for La Posta at 3AM is: 0.8m 10s primary swell from a East direction and 0.3m 4s secondary swell from a South-southwest direction, 0.1m 11s secondary swell from a South direction (forecast issued at 08:00pm July 18). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (19 Jul)2ft (0.6m)5s
Afternoon (19 Jul)3.5ft (1.0m)6s
Evening (19 Jul)10ft (3.0m)9s

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


Short Range Forecast

Heavy rain (total 25mm), heaviest during Sun afternoon. Very mild (max 16°C on Sun morning, min 10°C on Sun night). Mainly strong winds.

Sat
18
Sunday
19
Monday
20
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)
1
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
E
10
0.7
E
10
0.7
E
10
0.8
E
10
0.8
E
4
0.6
S
5
0.6
S
6
1
S
6
3
S
8
3
S
9
2.4
SSE
9
2
SSE
8
1.9
SSE
8
1.7
SSE
8
1.6
SSE
8
1.5
SSE
7
1.4
SE
7
1.3
SE
7
Wave Graph
Metric surfscale
Energy kJ
102
106
104
133
23
20
21
60
961
1150
819
536
480
383
285
234
211
149
Wind (km/h)
5
SSE
5
SE
15
ESE
25
ESE
20
E
10
ENE
5
N
30
SSE
50
S
40
SSE
30
S
25
S
20
SSE
25
SSE
25
SE
25
SE
20
SE
25
ESE
Wind State
glassy
cross-on
cross
cross-on
cross
cross-off
glassy
on
on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
00:19AM0.22m
4:20AM0.21m
11:50AM0.26m
1:41AM0.20m
5:14AM0.21m
12:47PM0.26m
Low Tide
7:23PM0.04m
2:28AM0.20m
7:50AM0.16m
8:21PM0.04m
2:39AM0.19m
8:34AM0.17m
cloud
cloud
cloud
cloud
light rain
light rain
cloud
light rain
mod rain
light rain
cloud
part cloud
part cloud
clear
clear
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:43
7:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:47
5:49
 mm
5
1
5
6
2
Temp °C
14
15
14
13
13
13
16
13
11
11
11
11
10
10
11
12
13
12
Feels °C
15
15
13
9
10
12
17
8
1
3
5
6
6
5
6
7
9
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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