Praia do Guaeca surf break

Praia do Guaeca surfForecast / São Paulo / Brazil

information circle12 Day Weather and Surf, issued 2 am Wednesday 26 Nov 2025 -03
Forecast update in hr  min  s Forecast update imminent
Praia do Guaeca surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Praia do Guaeca sea temperature is
23.8° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Praia do Guaeca this week:

The surf forecast for Praia do Guaeca over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Nov 26) at 6AM. The primary swell is predicted to be 1.4m and 8s period with a secondary swell of 0.4m and 9s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Praia do Guaeca in the next 12 days are 1.3m 9s and forecast to arrive on Wednesday (Nov 26) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 6s period and expected on Sunday (Nov 30) at 6AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Wed 26th Nov)4.5ft (1.4m) 8s
Best Surf 6AM (Wed 26th Nov)4.5ft (1.4m) 8s
Most Powerful12PM (Wed 26th Nov)4.5ft (1.3m) 9s

Table - best surf conditions forecast for Praia do Guaeca over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 23°C on Wed morning, min 18°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 7mm), mostly falling on Mon afternoon. Warm (max 25°C on Sat morning, min 20°C on Sat night). Wind will be generally light.

Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
01
Tuesday
02
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
1
0
0
1
1
0
1
0
0
1
0
0
1
0
1
1
1
1
1
Swell
Height Map
Wave Height (m) & direction (?)
1.3
SE
1.3
SE
1.1
SE
1.2
SE
1.2
SE
1.2
SE
1.1
SE
1.2
SE
1.2
ESE
1.1
SE
0.9
ESE
0.9
SE
0.9
ESE
0.9
ESE
0.6
ESE
0.6
S
0.9
S
0.8
S
0.7
S
0.6
S
0.6
S
Period(s) (?)8888999999999981091010911
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2562321711912252301932422261901411151211164871134118895793
Wind
(km/h)
10
WSW
10
S
5
NNE
10
E
10
ESE
10
NE
5
S
5
ESE
10
NE
10
SW
10
SSW
10
NNE
5
SW
10
SSE
15
NE
10
ESE
5
ESE
15
NE
5
NW
5
S
5
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
cross-
off
cross-
on
cross-
on
cross-
off
glasscross-
on
cross-
off
cross-
on
cross-
on
cross-
off
cross-
on
oncross-
off
cross-
on
glasscross-
off
glassglasscross-
off
High Tide
/ height (m)
6:23PM
0.92
7:33AM
0.95
7:18PM
0.92
8:33AM
0.93
8:16PM
0.91
10:15AM
0.93
9:49PM
0.92
10:59AM
0.95
10:57PM
0.99
11:31AM
0.95
11:45PM
1.04
12:04PM
0.93
12:37AM
1.08
Low Tide
/ height (m)
12:48PM
0.67
12:51AM
0.36
2:03PM
0.67
2:13AM
0.34
3:29PM
0.60
3:35AM
0.27
4:11PM
0.48
4:22AM
0.20
4:46PM
0.36
5:06AM
0.17
5:23PM
0.25
5:58AM
0.18
6:09PM
0.15
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
01
Tuesday
02
Sunrise5:05--5:05--5:05--5:05--5:05--5:05--5:05--
Sunset-6:31--6:31--6:32--6:34--6:34--6:35--6:36-
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
light rain
light rain
rain showers
thunderstorm
rain showers
Rain (mm)
----------------43175
Temp. °C232320232219232321252521252521252323282624
Feels °C (?)232322222119242522262723272722272626323028
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Praia do Guaeca Surf forecast

The above surf forecast table for Praia do Guaeca provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Praia do Guaeca can be found by selecting the local surf guide option on the grey menu. Our Praia do Guaeca 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 do Guaeca) 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 do Guaeca 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 do Guaeca is 9 km (6 miles) from Sao Sebastiao. If you plan a holiday in São Paulo, look for hotels and other accommodation in Sao Sebastiao. Sao Sebastiao has rooms for a wide range of budgets as well as car hire and transport links.

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