Surf Forecasts:
Balneario Sao Jose surf forecast from 29 Jul 2026:
- Best quality surf: Saturday 1 Aug, 3AM (local time) - 4.5ft (1.4m), 6s period, E swell with glassy winds.
- Most powerful swell: Saturday 1 Aug, 9AM (local time) - 5ft (1.5m), 7s period, E swell with 202 kJ wave energy.
- Next surfable swell (1★+): Wednesday 29 Jul, 9PM (local time) - 1.5ft (0.5m), 11s 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 Wednesday (Jul 29) at 9PM. The primary swell is predicted to be 0.5m and 11s period with a secondary swell of 0.6m and 4s. 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 1.5m 7s and forecast to arrive on Saturday (Aug 01) at 9AM. Winds are predicted to be glassy at the time the swell arrives.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Wed 29th Jul) | 1.5ft (0.5m) 11s |
| Best Surf | 3AM (Sat 1st Aug) | 4.5ft (1.4m) 6s |
| Most Powerful | 9AM (Sat 1st Aug) | 5ft (1.5m) 7s |
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 Balneario Sao Jose has in store for us over the next 16 days.
Right off the bat, the first week is a bit of a struggle. We’ve got a whole bunch of days with tiny, weak swell and onshore winds, so you can pretty much write off the next week for anything decent. The water temp is sitting at 67°, which is pretty average for this time of year, so no surprises there.
Now, after that dry spell, things start to get a little more interesting. The first real standout comes on Saturday, August 1st. We wake up to a glassy morning with 0.3m (roughly 1.0ft) of easterly swell, but it's short period at 7 seconds and combined energy is weak (397). It's not a world-beater, but it'll be the best wave of the week so far. Get on it early before the wind swings around.
The real highlight, and the one to circle on your calendar, is Tuesday, August 4th. It’s another glassy morning, this time with a 2ft southerly groundswell (0.7m). The period jumps up to 13 seconds, giving it some real push and combined energy is moderate (229). A glassy morning on a longer period swell at this beach and reef setup is about as good as it gets for this stretch. The cross-on seabreeze will spoil the afternoon, so get your session in early.
Looking further out, Wednesday, August 12th starts to look promising, but it's a long way off. We’re seeing a building 5ft southerly groundswell (1.5m) with a 15 second period hitting that afternoon – combined energy is strong (1173). The wind is a light cross-on, which is a bit of a letdown, so keep an eye on it.
Thursday, August 13th is another one to watch in the long range. A 5ft south-east swell (1.6m), 10 second period, with glassy conditions all morning. That's a legitimately good wave size and clean conditions. Combined energy is strong (865). This one is for the experienced crew, as it’s getting up there in size, but for the experts, it’s the best looking swell of the entire forecast if it holds.
So, to sum it up: mostly flat and windy for the first week, then a couple of small, clean windows that are worth a paddle. The real excitement is in the second week, with two solid, clean mornings to aim for the 13th of August.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Sat morning, min 18°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 27°C on Tue morning, min 18°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Wed 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | S 11 | S 11 | S 10 | S 10 | S 10 | S 9 | SSE 13 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | SSE 14 | S 13 | S 12 | SSE 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 37 | 59 | 50 | 71 | 47 | 42 | 58 | 121 | 202 | 94 | 124 | 59 | 47 | 34 | 23 | 34 | 66 | 168 | 190 | 183 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-on | on | cross | cross-on | cross-on | cross-off | glassy | cross-on | cross-off | glassy | cross-on | glassy | glassy | cross-on | glassy | glassy | cross-on | cross |
High Tide | 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 | 5:05AM1.30m | 5:38PM1.16m | 5:49AM1.21m | 6:19PM1.05m | |||||||
Low Tide | 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 | 11:25AM0.24m | 11:11PM0.42m | 11:55AM0.38m | 11:29PM0.47m | |||||||
 |  | | |  | | | |  | | | | | | | | | | | | |
 | — | — | 6:43 | — | — | 6:43 | — | — | 6:41 | — | — | 6:41 | — | — | 6:41 | — | — | 6:39 | — | — |
 | 5:40 | — | — | 5:42 | — | — | 5:42 | — | — | 5:43 | — | — | 5:43 | — | — | 5:44 | — | — | 5:44 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 23 | 21 | 21 | 19 | 21 | 22 | 19 | 26 | 26 | 24 | 26 | 23 | 19 | 24 | 24 | 22 | 27 | 23 | 19 |
Feels °C | 20 | 22 | 23 | 22 | 21 | 22 | 23 | 20 | 27 | 27 | 24 | 25 | 24 | 20 | 24 | 25 | 22 | 27 | 23 | 20 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 10 | S 10 | S 10 | S 9 | S 9 | SSE 12 | E 7 | E 7 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | S 13 | S 12 | SSE 12 |
| kJ | 37 | 59 | 50 | 71 | 47 | 42 | 41 | 48 | 107 | 94 | 68 | 59 | 47 | 34 | 23 | 34 | 45 | 168 | 190 | 183 |
Swell 2 Height (m) Direction Period (s) | E 6 | E 7 | E 7 | E 7 | S 15 | SSE 14 | SSE 13 | S 9 | S 11 | S 11 | S 8 | S 10 | S 10 | SSW 4 | SSW 5 | SE 12 | SSE 14 | E 7 | ESE 7 | E 8 |
| kJ | 12 | 23 | 14 | 8 | 18 | 38 | 58 | 23 | 88 | 58 | 12 | 8 | 8 | 1 | 2 | 23 | 66 | 33 | 57 | 58 |
Swell 3 Height (m) Direction Period (s) | SE 8 | ESE 8 | SE 8 | SE 8 | SE 8 | S 5 | SE 8 | — | — | — | S 10 | S 8 | S 8 | SE 9 | SE 12 | SSW 5 | SE 11 | SE 10 | SE 10 | SE 10 |
| kJ | 9 | 6 | 2 | 2 | 3 | 4 | 2 | — | — | — | 19 | 1 | 1 | 3 | 6 | 2 | 20 | 28 | 26 | 15 |
Wind waves Height (m) Direction Period (s) | SSW 4 | S 4 | SSW 4 | — | SSE 5 | E 4 | ESE 4 | E 6 | E 7 | — | E 7 | — | SW 4 | — | — | — | — | — | — | SW 2 |
| kJ | 11 | 9 | 2 | — | 17 | 10 | 25 | 121 | 202 | — | 124 | — | 8 | — | — | — | — | — | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 140 | 28 | 35 | 175 | 40 | 32 | 59 | 0 | 0 | 28 | 0 | 0 | 253 | 106 | 100 | 91 | 0 | 0 | 171 | 19 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
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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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