Balneario Sao Jose Surf Break

Lat Long: 24.09° S 46.60° W

Balneario Sao Jose Surf Forecast and Surf Report

Issued: 8 am 27 Jul 2026 (local time)

Forecast update in  hr  min

Today's Balneario Sao Jose sea temperature is
19.8° C
0.4° 

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


Balneario Sao Jose surf forecast from 27 Jul 2026:

  • Best quality surf: Saturday 1 Aug, 6AM (local time) - 4.5ft (1.4m), 6s period, E swell with cross-offshore winds.
  • Most powerful swell: Saturday 1 Aug, 6AM (local time) - 4.5ft (1.4m), 6s period, E swell with 148 kJ wave energy.
  • Next surfable swell (1★+): Monday 27 Jul, 6PM (local time) - 1.5ft (0.5m), 12s period with S swell.

Best Forecast Surf Conditions for Balneario Sao Jose this week:

The surf forecast for Balneario Sao Jose over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jul 27) at 6PM. The primary swell is predicted to be 0.5m and 12s period with a secondary swell of 0.7m and 8s. Another secondary swell of 0.3m and 4s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Balneario Sao Jose in the next 16 days are 1.4m 6s and forecast to arrive on Saturday (Aug 01) at 6AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 3s period and expected on Wednesday (Jul 29) at 12PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Mon 27th Jul)1.5ft (0.5m) 12s
Best Surf 6AM (Sat 1st Aug)4.5ft (1.4m) 6s
Most Powerful 6AM (Sat 1st Aug)4.5ft (1.4m) 6s

Table - best surf conditions forecast for Balneario Sao Jose over the next 16 days.


The Lowdown

Alright, Rusty here again. Let’s break down Balneario Sao Jose for the next couple of weeks.

First week is a slow one. From Monday the 27th of July through the end of the month, the waves are tiny – mostly 1ft to 3ft – and the energy is weak (combined energy values between 68 and 166). Mornings are often glassy, which is a nice look, but the swell is too small and weak to get your heart racing. Water temp is 68°F, pretty average for the time of year.

The first real standout hits on Wednesday the 5th of August. Morning sees a 3ft South swell with a long period of 11 seconds, combined energy of 217, and dead calm wind. The report says “expect good surf conditions.” That’s a proper groundswell with clean shape. The crowd is “often” here, so you won’t be alone.

Thursday the 6th of August is even better. Morning has a clean 3ft South swell with offshore cross-off wind from the NNE and energy of 201. The afternoon bumps to 4ft from the South, glassy, and energy of 255. That’s the best session of the whole forecast – bigger, cleaner, and still moderate energy.

Sunday the 9th of August afternoon has a 4ft South swell, but the period is short at 7 seconds, so it’ll be a bit lumpy. The glassy wind helps, but it’s not as good as the 5th and 6th.

The second week goes downhill. The 10th and 11th of August bring onshore winds and rain, with choppy conditions. Not worth it.

Bottom line: circle Wednesday the 5th and Thursday the 6th of August. Glassy mornings, clean South swell, and the best energy of the run. The rest is a miss.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 30°C on Wed morning, min 19°C on Wed night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 4mm), mostly falling on Thu afternoon. Warm (max 25°C on Sat morning, min 19°C on Thu afternoon). Wind will be generally light.

Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
31
Saturday
1
Sunday
2
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
1
1
1
1
1
0
0
1
0
0
0
0
1
1
0
1
1
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SE
8
0.7
SE
8
0.5
S
12
0.8
ESE
8
0.5
S
11
0.4
S
12
0.4
S
12
0.4
S
11
0.5
S
11
0.5
S
10
0.5
S
10
0.5
S
10
0.5
S
9
0.6
S
9
0.5
S
12
1.1
ESE
6
1.1
ESE
7
1
ESE
7
1
ESE
7
1
ESE
8
0.8
ESE
8
Wave Graph
Metric surfscale
Energy kJ
82
66
72
82
64
46
43
37
59
50
49
49
42
60
73
90
108
111
117
120
75
Wind (km/h)
5
NNE
10
ESE
5
NNE
5
N
5
E
10
NNW
5
NW
10
SSW
10
SSW
5
WSW
10
SSW
10
ENE
5
E
10
ESE
5
NNE
5
SW
5
ESE
5
N
0
SSE
5
ESE
0
NNE
Wind State
glassy
cross-on
glassy
glassy
glassy
off
cross-off
cross-on
cross-on
glassy
cross-on
cross
cross-on
cross-on
glassy
glassy
cross-on
glassy
glassy
cross-on
glassy
High Tide
2:13PM1.19m
1:46AM1.11m
2:37PM1.25m
2:15AM1.21m
3:02PM1.29m
2:45AM1.29m
3:28PM1.31m
3:16AM1.35m
3:57PM1.31m
3:50AM1.38m
4:28PM1.29m
4:26AM1.36m
5:02PM1.24m
Low Tide
8:18PM0.39m
8:19AM0.07m
8:47PM0.35m
8:53AM0.02m
9:15PM0.33m
9:26AM-0.01m
9:42PM0.32m
9:57AM0.00m
10:08PM0.32m
10:27AM0.05m
10:31PM0.34m
10:56AM0.13m
10:52PM0.37m
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
rain showers
light rain
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:45
6:43
6:43
6:43
6:43
6:41
6:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:40
5:40
5:40
5:42
5:42
5:43
5:43
 mm
1
3
Temp °C
26
24
22
29
29
26
30
24
26
21
20
19
22
22
20
25
25
23
26
25
23
Feels °C
26
24
23
30
29
25
30
23
26
22
22
20
24
24
23
27
27
25
28
27
25
  • 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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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 16 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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