La Posta surf break

La Posta surfForecast / South / Uruguay

information circle48hr Weather and Surf, issued 2 pm Monday 18 May 2026 -03
Forecast update in hr  min  s Forecast update imminent
La Posta surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's La Posta sea temperature is
14.5° C
(Which is slightly cooler than normal)

How big are the waves at La Posta today?

The current surf forecast for La Posta at 8PM is: 1.7m 16s primary swell from a South direction and 0.5m 4s secondary swell from a West direction (forecast issued at 02:00pm May 18). The wind direction is predicted to be cross-shore.

Time (-03) & DateWave HeightWave Period
Morning (18 May)--
Afternoon (18 May)4ft (1.2m)12s
Evening (18 May)5.5ft (1.7m)15s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 13°C on Tue afternoon, min 8°C on Mon night). Mainly fresh winds.

Mon
18
Tuesday
19
Wednesday
20
Thu
21
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
12 AM
3 AM
6 AM
9 AM
Rating
(10 max)
0
1
2
2
3
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.2
S
10
1.2
S
12
1.7
S
17
1.7
S
15
1.7
S
14
1.7
S
14
1.3
S
13
1.1
S
13
1
S
13
0.9
SSE
12
0.9
SSE
12
0.9
SSE
12
1.5
SSW
12
1
S
13
1.2
SSE
14
1.8
SSE
16
2.5
S
16
2.5
S
15
2.5
S
14
2.5
S
14
2.4
S
13
2.3
S
13
2.4
S
13
2
S
12
Wave Graph
Metric surfscale
Energy kJ
279
423
1624
1293
1191
1079
609
414
339
256
236
236
624
334
555
1611
3260
2892
2775
2547
2023
1806
1843
1253
Wind (km/h)
20
W
25
WSW
20
WSW
20
W
20
WNW
25
WNW
25
WNW
30
WNW
35
W
35
W
30
W
30
W
25
WSW
25
SW
25
SSW
30
SSW
25
SSW
30
SSW
30
SSW
30
SSW
25
SSW
25
SSW
20
SSW
20
S
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
cross-on
on
High Tide
9:50AM0.17m
9:28PM0.38m
10:26AM0.17m
4:33PM0.15m
10:23PM0.36m
11:06AM0.17m
4:30PM0.14m
11:20PM0.32m
Low Tide
12:40PM0.14m
6:00AM0.00m
1:25PM0.13m
4:55PM0.15m
6:56AM0.03m
2:15PM0.13m
6:24PM0.13m
7:50AM0.07m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:28
7:30
7:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:42
5:42
5:40
5:39
Temp °C
11
12
11
11
10
8
8
8
12
13
13
13
13
12
12
12
12
12
12
12
12
11
11
11
6
6
6
6
5
2
2
1
5
5
6
7
7
7
6
6
6
5
5
5
5
5
6
5
Swell 1
Height (m)
Direction
Period (s)
1.2
S
10
1.2
S
12
1.7
S
17
1.7
S
15
1.7
S
14
1.7
S
14
1.3
S
13
1.1
S
13
1
S
13
0.9
SSE
12
0.9
SSE
12
0.9
SSE
12
1.1
S
12
1
S
13
1.2
SSE
14
1.8
SSE
16
2.1
S
13
0.8
SSE
16
Energy kJ
279
423
1624
1293
1191
1079
609
414
339
256
236
236
347
334
555
1611
1445
347
Swell 2
Height (m)
Direction
Period (s)
0.5
SSE
12
0.6
SSE
18
Energy kJ
89
257
Swell 3
Height (m)
Direction
Period (s)
0.3
SSE
20
Energy kJ
75
Wind waves
Height (m)
Direction
Period (s)
0.6
W
4
0.5
W
4
0.7
W
4
0.8
W
4
0.9
W
4
1.1
WSW
5
1.4
WSW
5
1.5
WSW
6
1.4
WSW
6
1.4
WSW
6
1.5
SSW
12
1.3
SSW
6
1.5
SSW
6
1.5
SSW
7
2.5
S
16
2.5
S
15
2.5
S
14
2.5
S
14
2.4
S
13
2.3
S
13
2.4
S
13
2
S
12
Energy kJ
10
7
14
19
28
66
107
143
126
114
624
140
172
181
3260
2892
2775
2547
2023
1806
1843
1253
Nearest Offshore or Glassy
Rating
(10 max)
2
3
4
4
4
4
3
2
4
3
3
1
2
4
3
4
3
4
4
4
4
4
4
4
Distance (km)
58
118
30
7
3
3
25
25
118
76
76
58
71
118
159
158
683
683
532
532
245
245
233
158
Best forecast wave conditions in Uruguay - South
Rating
(10 max)
2
4
4
4
4
3
2
1
Best forecast wave conditions in Uruguay
Rating
(10 max)
3
3
4
4
4
4
4
3
4
4
4
4
3
4
3
5
4
Header Global
Rating
(10 max)
5
5
4
4
4
4
4
4
5
4
5
5
5
4
5
5
4
5
5
4
4
5
5
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

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