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Surf Forecasts:

Praia Grande (Ubatuba) surf break

Praia Grande (Ubatuba) surfForecast / São Paulo / Brazil

information circle12 Day Weather and Surf, issued 2 am Thursday 15 Jan 2026 -03
Forecast update in hr  min  s Forecast update imminent
Praia Grande (Ubatuba) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Praia Grande (Ubatuba) sea temperature is
28.0° C
 (Which is 2.3°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Praia Grande (Ubatuba) this week:

The surf forecast for Praia Grande (Ubatuba) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jan 15) at 6AM. The primary swell is predicted to be 1.5m and 8s period with a secondary swell of 1.1m and 8s. Another secondary swell of 0.1m and 8s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Praia Grande (Ubatuba) in the next 12 days are 2.2m 9s and forecast to arrive on Tuesday (Jan 20) at 6PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Wednesday (Jan 21) at 9AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Thu 15th Jan)5ft (1.5m) 8s
Best Surf 9PM (Wed 21st Jan)5ft (1.6m) 9s
Most Powerful 6PM (Tue 20th Jan)7ft (2.2m) 9s

Table - best surf conditions forecast for Praia Grande (Ubatuba) over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Heavy rain (total 28mm), heaviest during Thu night. Warm (max 28°C on Sat morning, min 24°C on Thu night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 90mm), heaviest during Tue afternoon. Warm (max 27°C on Sun morning, min 22°C on Mon night). Wind will be generally light.

Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
1
1
1
1
2
1
1
2
1
1
1
1
0
2
1
1
1
1
3
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.1
ESE
1.1
ESE
1.2
ESE
1.1
ESE
0.9
ESE
1.4
E
1
E
0.9
ESE
1.4
E
1
ESE
0.9
ESE
0.9
ESE
1
ESE
0.7
ESE
1.1
SSW
1.5
S
2.1
S
1.6
SSE
1.6
SSE
1.9
S
1.6
SSE
Period(s) (?)888877777777887889999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1471431691438620310684178111899713060124268596413400625398
Wind
(km/h)
5
SE
5
ESE
10
NNW
5
SSW
5
SSE
10
NW
5
S
5
SSE
10
WNW
0
NNE
5
NE
10
WNW
10
SW
10
SSW
5
WNW
10
SSW
20
S
10
SSE
10
SW
10
SSW
10
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglasscross-
off		glassglassoffglassglasscross-
off		glassglassoffcross-
off		crossglasscrosscross-
on		cross-
on		crosscross-
on		off
High Tide
/ height (m)
1:05PM
0.81
2:08AM
1.00
1:34PM
0.88
2:36AM
1.06
2:00PM
0.95
3:00AM
1.09
2:25PM
1.03
3:23AM
1.11
2:52PM
1.10
3:46AM
1.12
3:21PM
1.15
4:12AM
1.11
3:53PM
1.17
Low Tide
/ height (m)
7:09PM
0.18
7:53AM
0.37
7:52PM
0.09
8:28AM
0.33
8:31PM
0.02
9:01AM
0.29
9:08PM
-0.03
9:34AM
0.27
9:46PM
-0.06
10:07AM
0.27
10:23PM
-0.05
10:42AM
0.28
11:01PM
-0.01
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Sunrise5:26--5:26--5:28--5:28--5:28--5:30--5:31--
Sunset-6:52--6:52--6:52--6:51--6:51--6:51--6:51-
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
rain showers
part cloud
thunderstorm
thunderstorm
light rain
part cloud
thunderstorm
thunderstorm
heavy rain
light rain
heavy rain
thunderstorm
heavy rain
rain showers
rain showers
clear
Rain (mm)
-411-33-431-1415412332041-
Temp. °C272725272724282725272725272323232323232422
Feels °C (?)313128303126303129313128292626262424252624
  • 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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View detailed surf forecast for Praia Grande (Ubatuba) at:
surf-forecast.com

Information about the Praia Grande (Ubatuba) Surf forecast

The above surf forecast table for Praia Grande (Ubatuba) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Praia Grande (Ubatuba) can be found by selecting the local surf guide option on the grey menu. Our Praia Grande (Ubatuba) 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 (Praia Grande (Ubatuba)) 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 Praia Grande (Ubatuba) 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.

Praia Grande (Ubatuba) is 4 km (2 miles) from the city of Ubatuba. If you plan a holiday in São Paulo, look for hotels and other accommodation in Ubatuba. Ubatuba has rooms for a wide range of budgets as well as car hire and transport links.

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