Balneario Sao Jose Surf Break

Lat Long: 24.09° S 46.60° W

Balneario Sao Jose Surf Forecast and Surf Report

Issued: 2 pm 15 Jul 2026 (local time)

Forecast update in  hr  min

Today's Balneario Sao Jose sea temperature is
19.0° C
0.7° 

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 16 Jul 2026:

  • Best quality surf: Thursday 16 Jul, 12AM (local time) - 3.5ft (1.1m), 10s period, SE swell with offshore winds.
  • Most powerful swell: Thursday 16 Jul, 9AM (local time) - 4.5ft (1.4m), 10s period, ESE swell with 386 kJ wave energy.
  • Next surfable swell (1★+): Thursday 16 Jul, 12AM (local time) - 3.5ft (1.1m), 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 Thursday (Jul 16) at 12AM. The primary swell is predicted to be 1.1m and 10s period with a secondary swell of 1.1m and 6s. Another secondary swell of 1.3m and 6s is also forecast. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Balneario Sao Jose in the next 16 days are 1.4m 10s and forecast to arrive on Thursday (Jul 16) at 9AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 3s period and expected on Sunday (Jul 19) at 9AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+)12AM (Thu 16th Jul)3.5ft (1.1m) 10s
Best Surf12AM (Thu 16th Jul)3.5ft (1.1m) 10s
Most Powerful 9AM (Thu 16th Jul)4.5ft (1.4m) 10s

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


The Lowdown

Alright folks, Rusty here. Let’s talk about what’s cooking at Balneario Sao Jose.

Right now, we’re in a bit of a flat spell. There’s not much to get excited about for the first few days, but don’t write the whole forecast off just yet. The surf is small and weak to start, with combined energy barely cracking 100 (87 to 111). Things are quiet, but we’ve got a window of clean, offshore winds on the horizon that will make the most of what little swell we have.

Thursday the 16th is the first real bright spot. It’s not big, with a 5ft swell from the ESE, but the wind is glassy in the morning. That’s a major positive. Combined energy is a moderate 391, and with no wind to mess it up, the waves will be clean and smooth. It’s a good day for an intermediate surfer to get a few fun ones without the crowds being too crazy.

Friday the 17th and Saturday the 18th mornings are also worth a look. The swell drops to 4ft, but we’ve got a light offshore wind from the North. The period is a short 8 seconds, so it’ll be a bit choppy, but the clean conditions will make it surfable. Energy drops to 274 and 234, so it’s not powerful, but it’s a nice chance to get wet.

After that, the surf really fades away. We’re looking at a long gap of several days – from Sunday the 19th all the way through to Thursday the 24th – where the swell is tiny, mostly under 3ft, and the energy is very weak. It’s a blank run, and honestly, for this area, that’s not unusual when the swell window goes quiet.

Now, the real standout is a week and a half away. Mark your calendar for Tuesday the 28th. The morning session is the pick of the entire forecast. We’re talking a 5ft SSE groundswell with a very long period of 14 seconds, and glassy conditions. The combined energy is a massive 1136, which is strong and powerful. The wind is dead calm, so it’ll be perfect. This is excellent surf for experienced surfers only – it’s over the 5ft mark, so it’s not for beginners. The long period and size will make it a proper, powerful groundswell, best taken on a point or reef, but the beach here will still have some heavy, well-shaped walls. The water temp is sitting at 66°, which is about average for the time of year, so no major surprises there.

The 27th also has a glassy morning with 4ft S swell and 11 seconds, but the energy is 412, so it’s a more moderate, less powerful session. Still clean, but the 28th is the one to wait for.

The final week gets messy again with onshore winds and rain, so don’t get your hopes up for the 29th and 30th – the conditions look poor.

Stay patient, and be ready for that Tuesday morning. That’s the one.

Rusty

Short Range Forecast

Mostly dry. Warm (max 28°C on Sat morning, min 16°C on Wed night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 32°C on Mon afternoon, min 22°C on Sat night). Wind will be generally light.

Wed
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
2
2
1
2
2
1
1
2
1
1
1
1
1
1
1
1
1
0
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)
1.5
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
7
1.1
ESE
9
1
E
8
0.9
E
8
1
E
8
1
E
8
0.9
E
8
0.8
E
8
0.9
E
8
0.8
E
8
0.7
E
8
0.7
E
8
0.7
E
8
0.6
E
8
Wave Graph
Metric surfscale
Energy kJ
442
226
386
200
162
147
124
88
193
144
105
144
133
108
84
108
76
58
61
60
43
Wind (km/h)
10
E
5
NNW
5
N
5
SE
5
N
10
N
10
ENE
10
NNW
10
N
10
NNE
10
N
10
N
10
NNE
10
NNW
10
N
5
N
10
NNW
10
N
10
ENE
10
NNW
10
N
Wind State
cross-on
off
glassy
cross-on
off
off
cross
off
off
cross-off
off
cross-off
cross-off
off
cross-off
off
off
off
cross
off
off
High Tide
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
6:57PM0.91m
7:42AM0.91m
Low Tide
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
12:27PM0.55m
00:38AM0.52m
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
6:47
6:47
6:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:35
5:36
5:36
5:37
5:37
5:37
5:37
5:37
 mm
Temp °C
20
17
23
22
20
27
27
22
28
29
23
29
30
24
31
32
25
31
32
25
32
Feels °C
19
17
23
21
20
25
25
20
26
27
22
26
28
22
28
31
24
30
30
24
29
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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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