Guaratuba Surf Break

Lat Long: 25.85° S 48.54° W

Guaratuba 48 hour detailed Surf Forecast

Issued: 8 am 10 Oct 2026 (local time)

Forecast update in  hr  min

Today's Guaratuba sea temperature is
20.5°C
0.1° 

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


How big are the waves at Guaratuba today (10 Oct):

  • Morning surf: Morning surf (10 Oct, local time) - 2ft (0.6m), 8s period with ESE swell.
  • Afternoon surf: Afternoon surf (10 Oct, local time) - 2ft (0.6m), 8s period with ESE swell.
  • Evening surf: Evening surf (10 Oct, local time) - 2ft (0.6m), 8s period with E swell.

The current surf forecast for Guaratuba at 11AM is: 0.6m 8s primary swell from a East-southeast direction and 0.3m 10s secondary swell from a Southeast direction (forecast issued at 08:00am October 10). The wind direction is predicted to be glassy.

Time (-03) & DateWave HeightWave Period
Morning (10 Oct)2ft (0.6m)8s
Afternoon (10 Oct)2ft (0.6m)8s
Evening (10 Oct)2ft (0.6m)8s

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


Short Range Forecast

Heavy rain (total 36mm), heaviest during Mon night. Warm (max 23°C on Sat afternoon, min 18°C on Sun afternoon). Wind will be generally light.

Saturday
10
Sunday
11
Monday
12
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
0
0
0
1
1
0
0
0
0
0
0
0
0
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)
0.6
ESE
8
0.6
ESE
8
0.6
ESE
8
0.6
ESE
8
0.6
ESE
8
0.6
E
8
0.6
E
8
0.5
E
8
0.5
E
8
0.5
E
8
0.5
E
8
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
0.4
E
8
0.9
SSE
6
0.8
SSE
6
0.7
SSE
6
0.7
SSE
5
0.4
ESE
8
0.4
ESE
8
0.4
E
8
Wave Graph
Metric surfscale
Energy kJ
55
55
55
57
55
51
50
34
34
33
35
20
20
19
18
52
42
31
25
20
20
18
Wind (km/h)
5
NNW
5
NW
5
SSE
5
E
10
ENE
10
NNE
5
N
5
WNW
5
SSW
15
S
15
SSE
15
SSE
15
S
10
S
15
S
10
SSW
5
S
10
SSE
10
ESE
5
SSE
5
E
5
ESE
Wind State
glassy
off
cross-on
cross-on
cross
cross-off
cross-off
glassy
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
glassy
glassy
High Tide
2:31PM1.35m
2:42AM1.46m
2:59PM1.30m
3:17AM1.42m
3:25PM1.24m
Low Tide
8:00AM0.11m
7:54PM0.18m
8:16AM0.15m
8:15PM0.11m
8:37AM0.20m
8:40PM0.06m
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
cloud
light rain
cloud
light rain
light rain
light rain
cloud
cloud
light rain
light rain
light rain
light rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
—
—
—
—
—
—
5:43
—
—
—
—
—
—
—
5:41
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
6:16
—
—
—
—
—
—
—
6:17
—
—
—
—
—
—
—
6:17
—
 mm
—
—
—
—
—
—
—
—
—
—
3
—
1
1
1
—
—
1
4
1
1
—
Temp °C
20
22
22
23
21
21
21
21
21
20
19
19
18
18
18
18
18
18
18
18
18
18
Feels °C
23
24
25
26
23
23
23
24
23
21
20
19
18
18
18
18
19
19
19
19
20
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 Guaratuba 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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