La Posta Surf Break

Lat Long: 34.92° S 54.85° W

La Posta 48 hour detailed Surf Forecast

Issued: 8 am 17 Jul 2026 (local time)

Forecast update in  hr  min

Today's La Posta sea temperature is
10.9° C
0.2° 

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 (17 Jul):

  • Morning surf: Morning surf (17 Jul, local time) - 2.5ft (0.8m), 8s period with E swell.
  • Afternoon surf: Afternoon surf (17 Jul, local time) - 1ft (0.3m), 10s period with ESE swell.
  • Evening surf: Evening surf (17 Jul, local time) - 2.5ft (0.8m), 10s period with E swell.

The current surf forecast for La Posta at 2PM is: 0.3m 10s primary swell from a East-southeast direction (forecast issued at 08:00am July 17). An open ocean swell of 0.7m 8s is not directed at the surf break, a second open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (-03) & DateWave HeightWave Period
Morning (17 Jul)2.5ft (0.8m)8s
Afternoon (17 Jul)1ft (0.3m)10s
Evening (17 Jul)2.5ft (0.8m)10s

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


Short Range Forecast

Heavy rain (total 39mm), heaviest during Sun afternoon. Warm (max 24°C on Fri afternoon, min 10°C on Sun night). Winds increasing (light winds from the W on Fri night, strong winds from the S by Sun night).

Friday
17
Saturday
18
Sunday
19
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)
1
1
0
0
1
1
1
0
0
1
0
0
0
0
0
0
0
0
1
1
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)
0.8
E
8
0.8
E
8
0.3
ESE
10
0.3
ESE
10
0.8
E
10
0.8
E
10
0.8
E
10
0.2
S
8
0.7
E
10
0.7
E
10
0.1
S
13
0.1
S
13
0.1
S
12
0.7
E
10
0.6
E
10
0.6
E
10
0.6
E
10
0.6
SSW
5
1
SSW
6
1.6
S
7
1.9
S
7
2
S
8
Wave Graph
Metric surfscale
Energy kJ
72
76
20
20
122
120
120
5
92
94
3
3
3
100
75
75
75
19
64
255
388
470
Wind (km/h)
20
N
25
N
30
NNW
30
NNW
25
NNW
20
NNW
15
N
10
NW
5
W
10
NNW
15
WNW
15
SW
10
S
10
SE
10
ESE
10
ESE
15
E
15
NNE
10
WNW
5
SSW
20
SSW
45
S
Wind State
off
off
off
off
off
off
off
cross-off
cross
cross-off
cross-off
cross-on
on
cross-on
cross
cross-on
cross
off
cross-off
cross-on
on
on
High Tide
10:11AM0.24m
11:13PM0.25m
3:06AM0.21m
10:59AM0.26m
00:19AM0.22m
4:20AM0.21m
11:50AM0.26m
Low Tide
6:16AM0.12m
6:23PM0.05m
2:34AM0.21m
7:04AM0.14m
7:23PM0.04m
2:28AM0.20m
7:50AM0.16m
8:21PM0.04m
cloud
light rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
thunderstorm
light rain
cloud
cloud
cloud
light rain
light rain
cloud
light rain
rain showers
cloud
light rain
mod rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:43
7:43
7:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:46
5:47
5:47
 mm
1
1
4
1
1
1
3
2
1
1
4
1
5
7
5
Temp °C
19
19
22
24
22
21
21
20
17
17
18
16
13
14
14
13
15
16
17
15
13
11
Feels °C
16
16
18
21
20
19
21
21
18
18
17
15
12
14
13
12
13
15
17
15
10
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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