Atlantida Surf Break

Lat Long: 29.81° S 50.05° W

Atlantida 48 hour detailed Surf Forecast

Issued: 2 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Atlantida sea temperature is
16.1° C
0.6° 

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


How big are the waves at Atlantida today (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 4.5ft (1.3m), 8s period with ENE swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 4ft (1.2m), 8s period with ENE swell.
  • Evening surf: Evening surf (18 Aug, local time) - 3.5ft (1.1m), 8s period with ENE swell.

The current surf forecast for Atlantida at 6AM is: 1.4m 8s primary swell from a East-northeast direction and 0.2m 10s secondary swell from a South direction (forecast issued at 02:00am August 18). The wind direction is predicted to be glassy and the swell rating is 2.

Time (-03) & DateWave HeightWave Period
Morning (18 Aug)4.5ft (1.3m)8s
Afternoon (18 Aug)4ft (1.2m)8s
Evening (18 Aug)3.5ft (1.1m)8s

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


Short Range Forecast

Moderate rain (total 12mm), heaviest on Thu afternoon. Warm (max 23°C on Tue morning, min 15°C on Thu night). Winds increasing (calm on Wed morning, fresh winds from the NE by Thu morning).

Tuesday
18
Wednesday
19
Thursday
20
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
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
1
2
2
2
1
0
1
1
0
1
0
1
1
0
0
0
1
0
0
0
0
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
ENE
8
1.5
ENE
8
1.4
ENE
8
1.3
ENE
8
1.3
ENE
8
1.2
ENE
8
1.1
ENE
8
1.1
ENE
8
1
ENE
8
1
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.8
ENE
8
0.9
ENE
8
1.1
ENE
8
1
ENE
8
1.5
ENE
5
1.7
ENE
6
1.7
ENE
6
1.4
ENE
6
1.2
ENE
7
1.4
ENE
7
Wave Graph
Metric surfscale
Energy kJ
306
306
275
227
227
190
180
176
147
151
127
101
99
96
75
116
142
123
96
181
181
144
143
188
Wind (km/h)
10
NNE
10
N
5
N
10
SW
15
S
10
SSE
5
SSE
5
SW
10
SSW
10
SW
10
SSW
5
S
5
SE
5
E
15
ENE
15
ENE
15
NE
20
NE
25
NE
30
NE
20
NE
10
NE
10
NNE
5
SW
Wind State
cross
cross-off
glassy
cross-off
cross
cross-on
glassy
cross-off
cross
cross-off
cross
glassy
glassy
on
cross-on
cross-on
cross
cross-on
cross-on
cross
cross
cross-on
cross
cross-off
High Tide
9:36PM0.23m
3:16AM0.52m
9:45AM0.27m
3:26PM0.46m
10:27PM0.21m
3:59AM0.46m
10:44AM0.33m
3:55PM0.44m
11:10PM0.20m
4:44AM0.39m
11:32AM0.38m
4:19PM0.41m
Low Tide
11:09PM0.21m
7:14AM0.21m
11:46AM0.24m
7:34PM0.12m
11:46PM0.20m
7:40AM0.23m
12:33PM0.31m
8:16PM0.13m
00:33AM0.19m
8:01AM0.25m
1:37PM0.35m
8:52PM0.15m
cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
light rain
light rain
light rain
light rain
cloud
cloud
part cloud
cloud
light rain
light rain
light rain
cloud
cloud
part cloud
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
6:50
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:57
5:58
5:58
 mm
1
1
1
1
1
1
1
2
1
Temp °C
22
23
23
23
22
21
19
18
16
16
16
17
17
17
17
17
17
17
17
17
18
19
18
19
Feels °C
23
24
25
24
22
22
21
20
16
16
16
19
19
18
17
17
17
16
14
14
17
19
19
20
  • 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 Atlantida 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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