Praia Grande (Ubatuba) Surf Break

Lat Long: 23.47° S 45.07° W

Praia Grande (Ubatuba) 48 hour detailed Surf Forecast

Issued: 8 am 21 Sep 2026 (local time)

Forecast update in  hr  min

Today's Praia Grande (Ubatuba) sea temperature is
21.6°C
0.7° 

Praia Grande (Ubatuba) 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 (Ubatuba) today (21 Sep):

  • Morning surf: Morning surf (21 Sep, local time) - 3.5ft (1.1m), 8s period with ESE swell.
  • Afternoon surf: Afternoon surf (21 Sep, local time) - 4ft (1.2m), 8s period with E swell.
  • Evening surf: Evening surf (21 Sep, local time) - 2.5ft (0.8m), 8s period with ESE swell.

The current surf forecast for Praia Grande (Ubatuba) at 3PM is: 1.2m 8s primary swell from a East direction and 0.9m 8s secondary swell from a East-southeast direction, 0.1m 11s secondary swell from a South direction (forecast issued at 08:00am September 21). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (-03) & DateWave HeightWave Period
Morning (21 Sep)3.5ft (1.1m)8s
Afternoon (21 Sep)4ft (1.2m)8s
Evening (21 Sep)2.5ft (0.8m)8s

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


Short Range Forecast

Heavy rain (total 46mm), heaviest during Wed afternoon. Warm (max 29°C on Mon morning, min 18°C on Wed afternoon). Wind will be generally light.

Monday
21
Tuesday
22
Wednesday
23
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
1
1
2
1
0
1
1
1
0
0
1
0
1
0
0
0
0
0
0
2
1
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
ESE
8
1.1
ESE
8
1
E
8
1.2
E
8
0.9
ESE
8
0.8
ESE
8
0.8
ESE
8
0.8
ESE
8
0.8
ESE
8
0.8
ESE
8
0.8
ESE
8
0.8
ESE
8
0.8
ESE
8
0.8
ESE
8
0.8
ESE
8
0.7
ESE
8
0.7
ESE
8
1
S
7
1.6
S
7
1.6
S
7
1.7
S
11
1.6
SSE
11
Wave Graph
Metric surfscale
Energy kJ
159
151
118
163
96
77
77
77
79
81
83
85
87
92
94
73
73
91
257
261
746
645
Wind (km/h)
10
NW
10
NNW
10
NNE
10
NNE
10
N
20
NNW
10
NW
10
NNW
5
NW
10
SW
10
SSW
0
NE
10
SW
5
ESE
5
SSW
15
SSW
10
SSE
10
SSW
20
SSW
20
S
10
SE
10
ESE
Wind State
off
off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross
cross-on
glassy
cross
glassy
cross
cross
on
cross-on
cross-on
cross-on
on
cross-on
High Tide
12:55PM0.93m
00:27AM0.82m
1:18PM1.01m
00:50AM0.94m
1:39PM1.08m
Low Tide
5:14AM0.30m
6:06PM0.47m
6:07AM0.19m
6:41PM0.38m
6:49AM0.08m
7:14PM0.29m
part cloud
part cloud
part cloud
part cloud
cloud
cloud
clear
part cloud
part cloud
part cloud
clear
light rain
mod rain
light rain
light rain
light rain
light rain
light rain
light rain
mod rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:54
5:55
5:55
 mm
3
7
5
1
3
4
1
3
8
4
3
Temp °C
23
27
29
29
28
28
25
25
25
25
24
22
21
21
21
20
19
19
19
18
18
18
Feels °C
24
28
30
32
30
27
26
26
26
26
26
26
23
24
24
20
20
20
18
17
19
18
  • 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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