Balneario Sao Jose Surf Break

Lat Long: 24.09° S 46.60° W

Balneario Sao Jose Surf Forecast and Surf Report

Issued: 2 pm 14 Jul 2026 (local time)

Forecast update in  hr  min

Today's Balneario Sao Jose sea temperature is
19.1° C
0.6° 

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 15 Jul 2026:

  • Best quality surf: Wednesday 15 Jul, 3AM (local time) - 5ft (1.6m), 10s period, SE swell with cross-offshore winds.
  • Most powerful swell: Wednesday 15 Jul, 3AM (local time) - 5ft (1.6m), 10s period, SE swell with 530 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 15 Jul, 12AM (local time) - 5ft (1.5m), 10s period with SE 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 Wednesday (Jul 15) at 12AM. The primary swell is predicted to be 1.5m and 10s period with a secondary swell of 0.1m and 12s. 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 1.6m 10s and forecast to arrive on Wednesday (Jul 15) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Wednesday (Jul 15) at 3AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+)12AM (Wed 15th Jul)5ft (1.5m) 10s
Best Surf 3AM (Wed 15th Jul)5ft (1.6m) 10s
Most Powerful 3AM (Wed 15th Jul)5ft (1.6m) 10s

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


The Lowdown

Alright folks, Rusty here. Let’s have a look at what’s cookin’ for Balneario Sao Jose.

Right off the bat, we’ve got a bit of a slow start. The first week is pretty ordinary, so don’t get your hopes up too high. The real action, the one that’s got me talking, is way down the line on Monday the 27th of July. That morning, we’re looking at a solid 5 ft of swell from the ESE, and the energy reading is a massive 815 – that’s strong, punchy stuff. The wind is glassy, dead calm, so it’s going to be clean. That’s the standout session of the whole outlook, but it’s a long way off, so keep an eye on the charts.

Before that, we’ve got a few mornings that are worth a paddle. Wednesday the 15th of July has 5 ft from the SE with a clean cross-offshore breeze, and Thursday the 16th of July is glassy with 5 ft from the ESE. Both show clean conditions, but the energy is moderate (around 486 and 392). The water temp is sitting at 66°, which is about average for the time of year, so nothing weird there.

The surf drops off through the weekend into the following week. From Friday the 17th through to the 26th, it’s mostly small, knee-to-waist high stuff, with a lot of days where it’s just not worth getting wet. The wind is generally light and offshore some mornings, but the swell is tiny – under 3 ft – and the energy is low, often well under 200. There are a few glassy moments, like Sunday the 19th afternoon and Tuesday the 21st afternoon, but the waves are ordinary.

Come Monday the 27th, it’s a new story. That 6 ft ESE swell is the big one. The period is short at 7 seconds, so it’s a windswell, not a groundswell, but with glassy conditions it’ll still be fun. The energy is 815, which is strong. That’s the day to circle on the calendar. Tuesday the 28th morning looks promising too with 3 ft from the SSE on a 12-second period – a proper groundswell that’ll wrap in nicely – and glassy wind. The energy is still moderate at 388, but that long period will make for some nice, lined-up waves, especially if the tide is right.

Wednesday the 29th is also tidy. 4 ft from the SSE with a 13-second period – that’s long-period groundswell – and a clean cross-offshore breeze. The energy is 443, so it’s got some weight. The afternoon looks even better, with 4 ft and a 13-second period, glassy conditions, and the energy jumping to 701. That’s a very solid session.

So, to sum it up: the first week is a grind of small, ordinary waves. The real deal is on Monday the 27th of July for the biggest swell, and then Tuesday the 28th and Wednesday the 29th have the best combination of long-period groundswell and clean glassy or offshore winds. Don’t rush out for the first week unless you’re desperate for a splash.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 27°C on Fri morning, min 15°C on Tue night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 32°C on Mon morning, min 21°C on Fri night). Wind will be generally light.

Tue
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
2
2
2
1
2
2
1
2
2
1
1
2
2
1
1
1
1
1
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
SSE
10
1.5
SE
10
1.6
SE
10
1.1
SE
10
1.1
SE
10
1.4
ESE
10
1
SE
10
0.8
SE
11
1.1
ESE
8
1
E
8
0.9
E
8
1
E
9
1.1
E
8
0.9
E
8
1
E
9
0.9
ESE
8
0.9
E
8
0.7
E
8
0.8
E
8
0.8
E
8
0.7
E
8
Wave Graph
Metric surfscale
Energy kJ
490
441
484
260
226
386
200
162
155
127
90
154
163
113
158
120
111
63
86
86
66
Wind (km/h)
5
SSE
10
NE
10
NNE
10
E
5
NNW
5
N
5
ESE
5
N
10
N
10
ENE
10
NNW
10
N
10
NNE
10
N
15
NNE
5
NNE
10
NNW
15
N
5
N
10
NNW
10
NNW
Wind State
on
cross-off
cross-off
cross
glassy
glassy
cross-on
off
off
cross
off
off
cross-off
off
cross-off
glassy
off
off
cross-off
off
off
High Tide
3:19PM1.32m
2:47AM1.18m
3:52PM1.28m
3:22AM1.24m
4:22PM1.22m
3:57AM1.27m
4:52PM1.15m
4:33AM1.27m
5:20PM1.08m
5:11AM1.22m
5:49PM1.03m
5:52AM1.13m
6:20PM0.97m
6:39AM1.02m
Low Tide
9:53PM0.47m
9:44AM-0.01m
10:17PM0.51m
10:18AM0.03m
10:30PM0.53m
10:47AM0.10m
10:31PM0.53m
11:11AM0.20m
10:39PM0.50m
11:33AM0.31m
11:02PM0.48m
11:55AM0.43m
11:38PM0.49m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:48
6:48
6:48
6:48
6:47
6:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:35
5:35
5:36
5:36
5:37
5:37
5:37
5:37
 mm
Temp °C
18
16
19
20
17
22
22
20
27
29
22
29
30
24
30
30
25
32
33
26
32
Feels °C
18
16
18
19
17
21
22
20
25
28
20
26
28
22
28
29
24
29
31
24
31
  • 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 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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