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Surf Forecasts:

Guaiaba surfForecast / São Paulo / Brazil

information circle12 Day Weather and Surf, issued 8 pm Monday 12 Jan 2026 -03
Forecast update in hr  min  s Forecast update imminent
Guaiaba surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Guaiaba sea temperature is
27.6° C
 (Which is 1.7°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Guaiaba this week:

The surf forecast for Guaiaba over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jan 13) at 3PM. The primary swell is predicted to be 0.6m and 8s period with a secondary swell of 0.2m and 9s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Guaiaba in the next 12 days are 1.6m 8s and forecast to arrive on Tuesday (Jan 20) at 3AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 5s period and expected on Monday (Jan 19) at 12AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Tue 13th Jan)2ft (0.6m) 8s
Best Surf 9PM (Fri 16th Jan)4ft (1.2m) 8s
Most Powerful 3AM (Tue 20th Jan)5ft (1.6m) 8s

Table - best surf conditions forecast for Guaiaba over the next 12 days.

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

Short Range Forecast Heavy rain (total 30mm), heaviest during Wed afternoon. Warm (max 27°C on Tue morning, min 22°C on Wed afternoon). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 30°C on Sun afternoon, min 25°C on Thu night). Wind will be generally light.

Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Mon
19
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
1
0
0
1
1
1
1
0
1
0
2
1
1
1
1
1
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
ESE
0.5
ESE
0.6
ESE
0.5
ESE
0.5
ESE
0.7
ESE
0.6
ESE
0.7
ESE
0.8
ESE
0.8
ESE
0.7
ESE
0.6
ESE
1.3
E
0.8
ESE
0.8
ESE
1.1
E
0.8
ESE
0.7
ESE
0.5
ESE
0.7
ESE
0.9
SSW
Period(s) (?)888888888888778778885
Wave
Graph
(?)Metric surfscale
Energy kJ (?)32324733335547587375504418161641316251345437
Wind
(km/h)
5
N
5
ESE
10
ESE
20
SW
5
E
15
E
5
N
0
SW
15
E
15
NNW
0
NE
15
E
5
NNW
5
SSW
10
ESE
5
N
10
NNE
20
NE
25
SW
5
W
15
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		glasscross-
off		onglassoffcross-
off		glassoffcrossglasscross-
off		cross-
off		glasscross-
off		glasscross-
off		offononcross-
on
High Tide
/ height (m)
1:55AM
0.91
12:45PM
0.88
1:09AM
1.07
12:59PM
1.01
1:12AM
1.24
1:19PM
1.16
1:34AM
1.40
1:43PM
1.30
2:01AM
1.52
2:08PM
1.42
2:30AM
1.58
2:35PM
1.49
3:01AM
1.58
3:01PM
1.51
Low Tide
/ height (m)
7:09AM
0.63
5:59PM
0.50
7:25AM
0.57
6:41PM
0.37
7:45AM
0.51
7:17PM
0.24
8:07AM
0.46
7:52PM
0.13
8:31AM
0.42
8:26PM
0.04
8:54AM
0.41
8:59PM
-0.01
9:16AM
0.41
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Mon
19
Sunrise-5:28--5:28--5:30--5:31--5:31--5:31--5:33-
Sunset--6:58--6:58--6:58--6:58--6:57--6:57--6:57
part cloud
clear
rain showers
rain showers
part cloud
thunderstorm
rain showers
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
cloud
part cloud
mod rain
thunderstorm
thunderstorm
Rain (mm)
--82-173-----------6410
Temp. °C262727262627242727272728262727262930282726
Feels °C (?)303030292929242927293029293029293129313027
  • 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Guaiaba 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.

View detailed surf forecast for Guaiaba at:
surf-forecast.com

Information about the Guaiaba Surf forecast

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

Guaiaba is 12 km (7 miles) from the city of Praia Grande. If you plan a holiday in São Paulo, look for hotels and other accommodation in Praia Grande. Praia Grande has rooms for a wide range of budgets as well as car hire and transport links.

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