La Posta Surf Break

Lat Long: 34.92° S 54.85° W

La Posta 48 hour detailed Surf Forecast

Issued: 8 am 16 Aug 2026 (local time)

Forecast update in  hr  min

Today's La Posta sea temperature is
11.4° C
0.6° 

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 Aug):

  • Morning surf: Morning surf (16 Aug, local time) - 4.5ft (1.3m), 8s period with E swell.
  • Afternoon surf: Afternoon surf (16 Aug, local time) - 3.5ft (1.1m), 8s period with E swell.
  • Evening surf: Evening surf (16 Aug, local time) - 3.5ft (1.1m), 9s period with E swell.

The current surf forecast for La Posta at 3PM is: 1.1m 8s primary swell from a East direction and 0.3m 9s secondary swell from a South-southeast direction (forecast issued at 08:00am August 16). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (16 Aug)4.5ft (1.3m)8s
Afternoon (16 Aug)3.5ft (1.1m)8s
Evening (16 Aug)3.5ft (1.1m)9s

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


Short Range Forecast

Heavy rain (total 62mm), heaviest during Mon afternoon. Very mild (max 17°C on Sun morning, min 7°C on Tue night). Winds increasing (light winds from the NW on Sun morning, fresh winds from the SSE by Mon afternoon).

Sunday
16
Monday
17
Tuesday
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)
2
2
2
0
1
0
0
0
0
0
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
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
E
8
1.3
E
8
1.2
E
8
1.1
E
8
1.1
E
9
1.1
E
9
1
E
9
1
E
9
1.1
E
10
0.9
E
10
0.8
E
10
0.7
E
9
0.6
E
9
1.5
SSE
6
1.5
SSE
6
1.4
SSE
6
1.4
SSE
6
1.4
SSE
6
1.4
SSE
6
1.3
SSE
6
1.2
SSE
6
1.1
SSE
6
Wave Graph
Metric surfscale
Energy kJ
203
213
185
167
184
192
160
164
252
167
122
85
61
129
134
123
131
124
131
115
93
82
Wind (km/h)
15
NE
15
NNE
5
NW
10
SW
10
SW
15
S
15
SE
20
SSE
20
SSE
25
SE
20
SE
25
SE
30
SSE
25
S
30
SSE
30
SSE
25
SSE
30
SSE
30
SSE
25
SE
15
SSE
20
SSE
Wind State
cross-off
off
cross-off
cross-on
cross-on
on
cross-on
on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
on
on
on
cross-on
cross-on
on
on
High Tide
3:23AM0.21m
10:34AM0.28m
11:58PM0.21m
4:20AM0.20m
11:22AM0.28m
00:58AM0.19m
5:11AM0.20m
12:13PM0.28m
Low Tide
6:33AM0.17m
7:02PM0.03m
2:09AM0.19m
7:15AM0.17m
7:53PM0.04m
2:44AM0.18m
7:53AM0.18m
8:43PM0.05m
cloud
part cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
heavy rain
heavy rain
mod rain
light rain
mod rain
light rain
light rain
cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:18
7:16
7:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:08
6:09
 mm
1
2
1
2
1
2
1
3
1
12
13
8
4
7
3
1
Temp °C
15
16
17
16
14
13
13
12
10
9
10
10
10
10
9
9
10
9
9
9
9
9
Feels °C
14
15
18
16
13
11
11
9
6
4
6
5
4
5
3
3
5
3
2
4
6
5
  • 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 

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