La Posta Surf Break

Lat Long: 34.92° S 54.85° W

La Posta 48 hour detailed Surf Forecast

Issued: 8 am 30 Sep 2026 (local time)

Forecast update in  hr  min

Today's La Posta sea temperature is
14.1°C
1.5° 

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 (30 Sep):

  • Morning surf: Morning surf (30 Sep, local time) - 6ft (1.8m), 8s period with S swell.
  • Afternoon surf: Afternoon surf (30 Sep, local time) - 5ft (1.5m), 8s period with S swell.
  • Evening surf: Evening surf (30 Sep, local time) - 4ft (1.2m), 8s period with S swell.

The current surf forecast for La Posta at 2PM is: 1.5m 8s primary swell from a South direction and 0.6m 10s secondary swell from a East direction, 0.7m 9s secondary swell from a East direction (forecast issued at 08:00am September 30). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (30 Sep)6ft (1.8m)8s
Afternoon (30 Sep)5ft (1.5m)8s
Evening (30 Sep)4ft (1.2m)8s

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


Short Range Forecast

Mostly dry. Very mild (max 12°C on Fri afternoon, min 9°C on Fri night). Winds decreasing (fresh winds from the SW on Thu morning, calm by Fri morning).

Wednesday
30
Thursday
1
Friday
2
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
1
0
0
0
0
0
0
0
0
0
0
0
1
2
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)
2
S
8
1.8
S
8
1.5
S
8
1.5
S
8
1.1
SSE
8
1.2
S
8
0.8
SSE
8
1.2
S
7
1.3
SSW
7
1.4
SSW
7
1.6
SSW
6
1.7
SSW
6
1.7
SSW
7
1.8
SSW
7
1.7
S
8
1.5
S
7
1.3
S
7
1.1
S
8
0.8
SE
11
1.1
SE
12
1.1
SE
11
1.2
SE
11
Wave Graph
Metric surfscale
Energy kJ
509
412
291
284
149
159
75
135
161
158
185
232
241
365
329
251
171
149
168
298
326
357
Wind (km/h)
35
SW
30
SW
25
SW
25
SW
20
SW
10
SSW
20
SSW
20
SW
25
SW
30
SW
35
SW
35
SW
30
SW
30
SSW
25
SSW
20
SSW
15
SW
10
SW
5
SSW
15
SE
20
E
25
NE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
glassy
cross-on
cross
cross-off
High Tide
4:29AM0.20m
10:16AM0.34m
11:45PM0.18m
5:22AM0.19m
11:07AM0.34m
00:28AM0.16m
6:01AM0.18m
12:02PM0.33m
Low Tide
5:24AM0.20m
6:51PM-0.00m
1:54AM0.16m
6:10AM0.19m
7:48PM0.01m
2:34AM0.15m
7:02AM0.18m
8:46PM0.03m
part cloud
cloud
cloud
clear
part cloud
clear
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
—
—
—
—
—
—
—
6:16
—
—
—
—
—
—
—
6:15
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
6:40
—
—
—
—
—
—
—
6:42
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—
—
—
—
—
—
6:43
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
11
11
11
11
11
10
10
11
11
10
10
10
11
10
11
10
10
10
11
12
11
10
Feels °C
4
5
6
5
7
7
6
7
6
3
2
2
4
3
4
5
6
7
9
8
6
4
  • 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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