Las Achiras Surf Break

Lat Long: 34.03° S 53.54° W

Las Achiras Surf Forecast and Surf Report

Issued: 2 pm 20 Sep 2026 (local time)

Forecast update in  hr  min

Today's Las Achiras sea temperature is
13.7°C
0.4° 

Las Achiras surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Las Achiras surf forecast from 20 Sep 2026:

  • Best quality surf: Tuesday 22 Sep, 9PM (local time) - 11ft (3.5m), 15s period, S swell with cross-offshore winds.
  • Most powerful swell: Tuesday 22 Sep, 9PM (local time) - 11ft (3.5m), 15s period, S swell with 4,810 kJ wave energy.
  • Next surfable swell (1★+): Sunday 20 Sep, 9PM (local time) - 3.5ft (1.0m), 10s period with E swell.

Best Forecast Surf Conditions for Las Achiras this week:

The surf forecast for Las Achiras over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 20) at 9PM. The primary swell is predicted to be 1.0m and 10s period with a secondary swell of 0.2m and 9s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Las Achiras in the next 16 days are 3.5m 15s and forecast to arrive on Tuesday (Sep 22) at 9PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Monday (Sep 21) at 9PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Sun 20th Sep)3.5ft (1.0m) 10s
Best Surf 9PM (Tue 22nd Sep)11ft (3.5m) 15s
Most Powerful 9PM (Tue 22nd Sep)11ft (3.5m) 15s

Table - best surf conditions forecast for Las Achiras over the next 16 days.


Short Range Forecast

Light rain (total 2mm), mostly falling on Sun night. Warm (max 21°C on Sun afternoon, min 7°C on Tue night). Winds increasing (calm on Sun afternoon, fresh winds from the WSW by Mon night).

Days 5-7 Weather Summary

Mostly dry. Warm (max 23°C on Fri afternoon, min 9°C on Wed night). Wind will be generally light.

Sun
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
1
0
0
1
0
3
4
3
3
2
0
1
1
1
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)
1
E
9
1
E
10
0.9
ESE
10
0.8
ESE
10
1.4
SSW
9
1.8
S
10
1.7
S
9
2.3
SSE
15
2
SSE
14
1.8
SSE
14
1.6
SSE
14
1.3
SSE
13
1.1
SE
13
0.7
SE
12
0.5
SE
12
0.4
SE
11
0.5
E
8
0.4
E
8
0.4
E
7
0.4
ENE
7
Wave Graph
Metric surfscale
Energy kJ
157
204
163
136
295
648
481
2334
1647
1161
1014
590
394
149
65
31
30
18
17
17
Wind (km/h)
5
NE
20
SW
15
WNW
30
W
30
SW
30
SW
30
SW
15
SSW
5
NNW
15
NNE
15
N
15
N
20
NE
10
N
10
NW
0
NE
10
S
5
E
10
ENE
15
NE
Wind State
glassy
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross
cross-off
cross-off
cross
cross-off
off
glassy
cross-on
on
cross-on
cross
High Tide
8:06PM0.23m
2:36PM0.50m
9:17PM0.25m
3:14AM0.29m
3:28PM0.49m
10:17PM0.27m
4:07AM0.27m
4:25PM0.48m
11:06PM0.29m
5:03AM0.27m
12:18PM0.37m
11:51PM0.31m
5:57AM0.29m
12:50PM0.35m
6:21PM0.49m
6:48AM0.34m
1:22PM0.32m
7:14PM0.50m
Low Tide
6:16PM0.21m
5:49AM0.15m
7:02PM0.21m
6:37AM0.13m
7:47PM0.21m
7:27AM0.12m
1:04PM0.36m
8:31PM0.21m
8:18AM0.11m
2:07PM0.34m
9:16PM0.21m
9:11AM0.11m
2:58PM0.29m
10:00PM0.22m
3:42AM0.15m
3:44PM0.23m
10:44PM0.22m
part cloud
rain showers
cloud
part cloud
cloud
part cloud
cloud
clear
clear
part cloud
cloud
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:24
6:22
6:20
6:20
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:28
6:29
6:30
6:30
6:30
6:31
6:32
 mm
2
Temp °C
21
18
16
16
11
9
10
9
11
13
11
16
17
14
22
23
18
19
20
17
Feels °C
22
18
12
9
4
2
4
4
7
8
7
13
13
12
22
23
18
17
17
14
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Las Achiras Surf forecast

The above surf forecast table for Las Achiras provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Las Achiras can be found by selecting the local surf guide option on the grey menu. Our Las Achiras surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Las Achiras) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Las Achiras may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Las Achiras is 59 km (37 miles) from Santa Vitoria do Palmar. If you plan a holiday in Uruguay - North, look for hotels and other accommodation in Santa Vitoria do Palmar. Santa Vitoria do Palmar has rooms for a wide range of budgets as well as car hire and transport links.

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