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Surf Forecasts:

Balneario Sao Jose surfForecast / São Paulo / Brazil

information circle12 Day Weather and Surf, issued 8 am Thursday 18 Sep 2025 -03
Forecast update in hr  min  s Forecast update imminent
Balneario Sao Jose surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Balneario Sao Jose sea temperature is
20.7° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Balneario Sao Jose this week:

The surf forecast for Balneario Sao Jose over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 18) at 9PM. The primary swell is predicted to be 1.6m and 10s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Balneario Sao Jose in the next 12 days are 1.9m 10s and forecast to arrive on Thursday (Sep 18) at 3PM. 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 Saturday (Sep 20) at 9PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Thu 18th Sep)5ft (1.6m) 10s
Best Surf 9PM (Thu 18th Sep)5ft (1.6m) 10s
Most Powerful 3PM (Thu 18th Sep)6ft (1.9m) 10s

Table - best surf conditions forecast for Balneario Sao Jose over the next 12 days.

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

Short Range Forecast Mostly dry. Warm (max 27°C on Sat morning, min 18°C on Thu night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 46mm), heaviest during Mon afternoon. Warm (max 32°C on Sun morning, min 17°C on Mon night). Mainly fresh winds.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
1
3
2
1
1
2
1
2
1
0
1
2
0
0
2
0
1
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2
SE
1.9
SE
1.5
SE
1.3
SE
1.1
SE
0.9
ESE
1.4
ESE
1.2
ESE
1.2
E
0.9
ESE
0.9
ESE
0.9
ESE
1.1
E
1.1
E
1.5
S
1.9
S
1.6
S
1.5
SSE
1.1
S
1
S
0.9
S
Period(s) (?)1110108889988989106999121111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)913759425232176109322218204115131120217226146562395337314242189
Wind
(km/h)
5
SW
15
S
5
WNW
5
SE
10
SE
5
NW
5
SSW
10
ESE
5
N
10
NNE
10
ESE
5
WSW
0
NNE
35
W
25
SSW
10
SSE
10
ESE
15
ESE
15
E
15
ESE
15
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on		glassglasscross-
on		glassglasscross-
on		glasscross-
off		cross-
on		glassglasscross-
off		cross-
on		oncross-
on		cross-
on		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
1:38PM
1.18
12:55AM
1.12
1:49PM
1.23
1:25AM
1.26
2:07PM
1.27
1:54AM
1.35
2:28PM
1.30
2:23AM
1.40
2:48PM
1.29
2:51AM
1.41
3:09PM
1.27
3:20AM
1.39
3:30PM
1.24
Low Tide
/ height (m)
7:33PM
0.43
7:34AM
0.06
7:53PM
0.36
8:01AM
0.02
8:11PM
0.29
8:26AM
0.01
8:29PM
0.23
8:48AM
0.04
8:47PM
0.18
9:08AM
0.10
9:04PM
0.15
9:27AM
0.18
9:23PM
0.14
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Sunrise6:00--5:58--5:58--5:56--5:56--5:54--5:54--
Sunset-6:00--6:00--6:00--6:00--6:01--6:01--6:01-
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
rain showers
rain showers
thunderstorm
mod rain
rain showers
part cloud
part cloud
cloud
light rain
mod rain
Rain (mm)
-----------313192---17
Temp. °C232220242321272524322523262623192019191918
Feels °C (?)232222252522292625342723272324181917171817
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for São Paulo

  1. weather stationWind Update Continuing clean conditions at Balneario Sao Jose (calm at Santos wx 31 km from Balneario Sao Jose). A 1.9m swell from the SE

    1 hour 17 minutes ago Balneario Sao Jose
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31 km away, 1 h 17 min ago

3 km/h
SW
0.0
20.7
Air / Water (°C)
Please reload the page to see if there are any updates.

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 Balneario Sao Jose 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 Balneario Sao Jose at:
surf-forecast.com

Information about the Balneario Sao Jose Surf forecast

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

Balneario Sao Jose is 3 km (2 miles) from the city of Mongagua. If you plan a holiday in São Paulo, look for hotels and other accommodation in Mongagua. Mongagua has rooms for a wide range of budgets as well as car hire and transport links.

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