Praia Grande Surf Break

Lat Long: 19.98° S 40.14° W

Praia Grande 48 hour detailed Surf Forecast

Issued: 8 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Praia Grande sea temperature is
22.8° C
0.2° 

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


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

  • Morning surf: Morning surf (18 Aug, local time) - 3.5ft (1.1m), 7s period with E swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 4.5ft (1.3m), 7s period with E swell.
  • Evening surf: Evening surf (18 Aug, local time) - 4.5ft (1.4m), 7s period with E swell.

The current surf forecast for Praia Grande at 12PM is: 1.1m 7s primary swell from a East direction and 0.4m 10s secondary swell from a South-southeast direction (forecast issued at 08:00am August 18). The wind direction is predicted to be onshore.

Time (-03) & DateWave HeightWave Period
Morning (18 Aug)3.5ft (1.1m)7s
Afternoon (18 Aug)4.5ft (1.3m)7s
Evening (18 Aug)4.5ft (1.4m)7s

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


Short Range Forecast

Mostly dry. Warm (max 25°C on Wed morning, min 19°C on Tue night). Wind will be generally light.

Tuesday
18
Wednesday
19
Thursday
20
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
0
1
0
0
0
0
0
0
0
1
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)
1.1
E
7
1.1
E
7
1.1
E
7
1.3
E
7
1.3
E
7
1.4
E
7
1.4
ENE
7
1.1
E
7
1.1
E
7
1.1
E
7
1
E
7
0.9
ESE
7
1
E
7
1.2
E
7
1.3
ENE
8
1
E
8
1
E
8
0.9
E
8
1.1
E
7
1.1
ENE
7
1.1
ENE
7
1.1
ENE
7
Wave Graph
Metric surfscale
Energy kJ
113
113
113
158
158
184
203
121
121
121
103
91
112
156
196
110
110
89
134
140
136
136
Wind (km/h)
10
N
10
NE
20
ENE
25
ENE
20
NE
15
NNE
10
NNW
15
N
15
N
15
N
20
NE
25
NE
20
NE
15
NNE
10
N
10
N
15
N
15
N
20
NE
25
NE
25
NE
15
NNE
Wind State
cross-on
cross-on
on
on
cross-on
cross-on
cross
cross
cross
cross
cross-on
on
cross-on
cross-on
cross
cross
cross
cross-on
on
on
cross-on
cross-on
High Tide
6:12AM1.26m
6:23PM1.15m
7:02AM1.12m
7:04PM1.04m
8:18AM1.00m
8:15PM0.95m
Low Tide
12:24PM0.47m
00:37AM0.44m
1:05PM0.60m
1:34AM0.51m
2:22PM0.71m
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:00
5:58
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:28
5:29
5:29
 mm
Temp °C
22
23
24
23
22
21
20
20
19
21
25
25
22
21
20
20
19
21
25
25
22
21
Feels °C
21
22
22
20
20
21
20
20
18
20
24
22
20
21
20
20
19
20
24
22
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 Praia Grande 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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