Surf Forecasts:
Balneario Sao Jose surf forecast from 23 Jul 2026:
- Best quality surf: Saturday 25 Jul, 6AM (local time) - 3.5ft (1.1m), 9s period, S swell with glassy winds.
- Most powerful swell: Sunday 26 Jul, 12PM (local time) - 2.5ft (0.8m), 13s period, S swell with 219 kJ wave energy.
- Next surfable swell (1★+): Thursday 23 Jul, 6PM (local time) - 1.5ft (0.5m), 8s period with E 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 23) at 6PM. The primary swell is predicted to be 0.5m and 8s period with a secondary swell of 0.3m and 8s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Balneario Sao Jose in the next 16 days are 0.8m 13s and forecast to arrive on Sunday (Jul 26) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Thu 23rd Jul) | 1.5ft (0.5m) 8s |
| Best Surf | 6AM (Sat 25th Jul) | 3.5ft (1.1m) 9s |
| Most Powerful | 12PM (Sun 26th Jul) | 2.5ft (0.8m) 13s |
Table - best surf conditions forecast for Balneario Sao Jose over the next 16 days.
The Lowdown
Alright, Rusty here, checking out Balneario Sao Jose for the next couple of weeks.
Straight up, the start is a bit of a bummer. There’s nothing worth paddling out for until Saturday, July 25th. It’s a few days of waiting, I know, but that’s just how it’s looking.
The first real window that has me twitching is on Saturday morning, the 25th. It’s small but clean. We’re looking at chest-high waves, around 4 ft, coming in from the south with a period of 9 seconds. The wind is dead glassy, zero, from the WNW. For a beach/pier setup like this, glassy conditions are gold, so you’ll get some clean little peelers if you’re patient. The combined energy is moderate at 217.
Then, hold onto your boardies, because Sunday morning the 26th is a real standout. The swell is still only about 2 ft, but the period jumps right up to a very long 13 seconds from the south. That’s a proper groundswell with some serious grunt behind it. Combined energy hits 323, which is moderate but getting strong for this size. The wind is a light offshore from the NE, almost glassy. This is going to be the best shaped, most fun wave of the week for a surfer who can work a small board. It's a long period swell though, so expect it to be a bit walled at a beach break, but the clean conditions will make it a session to remember.
Looking further ahead, around Friday, August 7th, there’s another promising morning. On the 7th, we get a morning with clean conditions again, a 3 ft swell from the SSE and a solid 11-second period, with zero wind from the WNW. That's a clean, glassy setup and the combined energy is a strong 234. It’s over a week away, so don’t lock it in, but it’s got potential to be the best of the later run.
For the rest of the fortnight, the windows are short and the conditions are mostly a battle with onshore or cross-onshore winds making things choppy and poor. The water temp is sitting at 68°, which is about average for this time of year, so no worries there. Just keep your eye on those glassy mornings.
Rusty, out.
Short Range ForecastHeavy rain (total 20mm), heaviest during Fri morning. Warm (max 23°C on Thu morning, min 18°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Sun night. Warm (max 28°C on Tue morning, min 19°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | |||||||||||||||
AM | 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) | E 8 | E 8 | E 8 | S 8 | S 8 | S 9 | S 9 | SSE 9 | SSE 9 | S 13 | S 13 | S 12 | SE 8 | S 13 | S 12 | S 12 | S 12 | S 12 | S 11 | E 7 | S 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 48 | 34 | 31 | 165 | 173 | 177 | 199 | 173 | 188 | 176 | 163 | 137 | 69 | 85 | 74 | 67 | 42 | 44 | 24 | 26 | 35 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross | cross | cross-on | glassy | glassy | on | cross-off | glassy | cross-on | glassy | glassy | cross-on | cross-off | glassy | glassy | cross-off | glassy | on | glassy |
High Tide | 9:31AM0.84m | 9:11PM0.79m | 12:39PM0.92m | 11:26PM0.82m | 1:18PM1.03m | 00:35AM0.91m | 1:47PM1.12m | 1:14AM1.01m | 2:13PM1.19m | 1:46AM1.11m | 2:37PM1.25m | 2:15AM1.21m | 3:02PM1.29m | 2:45AM1.29m | |||||||
Low Tide | 5:08PM0.66m | 5:14AM0.44m | 6:21PM0.59m | 6:16AM0.34m | 7:09PM0.52m | 7:03AM0.24m | 7:46PM0.45m | 7:43AM0.14m | 8:18PM0.39m | 8:19AM0.07m | 8:47PM0.35m | 8:53AM0.02m | 9:15PM0.33m | ||||||||
 |  |  |  |  |  | | |  |  | | | | |  | | | | | | | |
 | 6:46 | — | — | 6:46 | — | — | 6:45 | — | — | 6:45 | — | — | 6:45 | — | — | 6:43 | — | — | 6:43 | — | — |
 | — | 5:38 | — | — | 5:38 | — | — | 5:39 | — | — | 5:39 | — | — | 5:40 | — | — | 5:40 | — | — | 5:40 | — |
mm | — | — | 5 | 7 | 4 | 4 | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | 1 |
Temp °C | 23 | 20 | 19 | 18 | 19 | 18 | 20 | 19 | 19 | 22 | 23 | 20 | 26 | 25 | 23 | 28 | 28 | 25 | 28 | 24 | 25 |
Feels °C | 23 | 21 | 21 | 19 | 20 | 19 | 21 | 20 | 21 | 23 | 24 | 22 | 28 | 27 | 25 | 30 | 31 | 26 | 29 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | S 8 | S 8 | S 9 | S 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | E 7 | E 8 |
| kJ | 48 | 34 | 31 | 165 | 173 | 177 | 199 | 173 | 188 | 138 | 96 | 82 | 69 | 71 | 58 | 43 | 42 | 33 | 24 | 26 | 28 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | E 8 | E 8 | E 8 | E 8 | E 8 | SSE 13 | S 13 | S 13 | S 12 | S 11 | S 13 | S 12 | S 12 | S 12 | E 7 | E 7 | SE 8 | S 11 |
| kJ | 12 | 10 | 10 | 18 | 18 | 10 | 10 | 10 | 58 | 176 | 163 | 137 | 60 | 85 | 74 | 67 | 42 | 14 | 14 | 25 | 35 |
Swell 3 Height (m) Direction Period (s) | SW 4 | SSE 11 | SSE 10 | — | — | — | S 10 | S 15 | E 8 | E 7 | E 7 | E 7 | E 4 | E 5 | E 6 | E 5 | E 6 | S 12 | S 11 | S 11 | SE 8 |
| kJ | 1 | 11 | 9 | — | — | — | 8 | 4 | 10 | 9 | 9 | 4 | 6 | 8 | 10 | 7 | 10 | 44 | 22 | 22 | 11 |
Wind waves Height (m) Direction Period (s) | — | SSW 3 | SSW 2 | — | — | — | — | — | — | — | — | E 4 | — | — | — | SW 3 | — | — | — | — | SE 3 |
| kJ | — | 1 | 1 | — | — | — | — | — | — | — | — | 7 | — | — | — | 1 | — | — | — | — | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 9 | 128 | 91 | 9 | 35 | 0 | 0 | 9 | 0 | 0 | 28 | 0 | 0 | 32 | 0 | 0 | 0 | 0 | 0 | 175 | 0 |
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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