Surf Forecasts:
Balneario Sao Jose surf forecast from 9 Sep 2026:
- Best quality surf: Friday 11 Sep, 3AM (local time) - 3ft (0.9m), 14s period, S swell with glassy winds.
- Most powerful swell: Sunday 13 Sep, 3PM (local time) - 6.5ft (2.0m), 10s period, SSE swell with 794 kJ wave energy.
- Next surfable swell (1★+): Wednesday 9 Sep, 9AM (local time) - 2.5ft (0.8m), 10s period with SSE 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 (Sep 09) at 9AM. The primary swell is predicted to be 0.8m and 10s period with a secondary swell of 0.9m 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 2.0m 10s and forecast to arrive on Sunday (Sep 13) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 2s period and expected on Thursday (Sep 10) at 12AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Wed 9th Sep) | 2.5ft (0.8m) 10s |
| Best Surf | 3AM (Fri 11th Sep) | 3ft (0.9m) 14s |
| Most Powerful | 3PM (Sun 13th Sep) | 6.5ft (2.0m) 10s |
Table - best surf conditions forecast for Balneario Sao Jose over the next 16 days.
Short Range ForecastHeavy rain (total 66mm), heaviest during Thu afternoon. Warm (max 28°C on Fri afternoon, min 19°C on Wed morning). Winds increasing (calm on Wed morning, fresh winds from the SW by Fri night). | Days 4-6 Weather SummaryHeavy rain (total 82mm), heaviest during Sun afternoon. Warm (max 21°C on Sat morning, min 17°C on Sun afternoon). Winds decreasing (fresh winds from the ESE on Sun afternoon, calm by Mon afternoon). | ||||||||||||||||||||
Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | |||||||||||||||
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) | SSE 10 | ESE 8 | SSE 12 | S 12 | S 12 | S 15 | S 13 | S 12 | E 6 | E 7 | S 6 | S 9 | SSE 10 | SSE 10 | SSE 10 | E 7 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 123 | 102 | 192 | 180 | 199 | 161 | 225 | 151 | 165 | 81 | 109 | 377 | 650 | 794 | 288 | 271 | 333 | 299 | 171 | 212 | 131 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | cross | cross-on | cross-off | cross-off | cross | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross | glassy | cross-off | cross | cross-on | on |
High Tide | 2:09PM1.29m | 1:42AM1.29m | 2:29PM1.30m | 2:13AM1.38m | 2:51PM1.30m | 2:44AM1.43m | 3:12PM1.27m | 3:15AM1.42m | 3:34PM1.24m | 3:47AM1.36m | 3:55PM1.19m | 4:18AM1.27m | 4:17PM1.13m | ||||||||
Low Tide | 8:21PM0.35m | 8:28AM-0.04m | 8:39PM0.31m | 8:54AM-0.01m | 8:54PM0.27m | 9:15AM0.05m | 9:07PM0.23m | 9:32AM0.14m | 9:21PM0.19m | 9:46AM0.24m | 9:38PM0.18m | 9:59AM0.35m | 9:59PM0.20m | ||||||||
 |  |  | |  |  | |  | | | | | | |  | |  | | | | | |
 | 6:09 | — | — | 6:07 | — | — | 6:07 | — | — | 6:05 | — | — | 6:05 | — | — | 6:03 | — | — | 6:03 | — | — |
 | — | 5:57 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — | 5:59 | — | — | 5:59 | — | — | 5:59 | — |
mm | 8 | 5 | 2 | 1 | 20 | 15 | 3 | — | 12 | 4 | 3 | 4 | 12 | 22 | 20 | 2 | 9 | 6 | — | — | 2 |
Temp °C | 19 | 19 | 21 | 23 | 21 | 21 | 26 | 28 | 26 | 21 | 18 | 18 | 18 | 18 | 18 | 20 | 20 | 20 | 24 | 22 | 19 |
Feels °C | 21 | 22 | 24 | 27 | 23 | 24 | 27 | 30 | 28 | 21 | 18 | 18 | 17 | 16 | 17 | 22 | 23 | 22 | 23 | 20 | 20 |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | S 12 | S 12 | E 8 | S 13 | S 12 | E 6 | E 7 | E 7 | S 9 | SSE 10 | S 10 | SSE 10 | SSE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 8 |
| kJ | 99 | 102 | 96 | 180 | 199 | 58 | 225 | 151 | 119 | 81 | 40 | 377 | 650 | 755 | 288 | 193 | 333 | 299 | 171 | 212 | 131 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SSE 12 | ESE 8 | ESE 8 | S 12 | E 8 | SE 13 | S 12 | SE 12 | S 11 | E 8 | — | — | S 12 | S 12 | SSE 9 | SSE 10 | SSE 9 | S 10 | S 5 |
| kJ | 123 | 96 | 192 | 75 | 58 | 139 | 42 | 7 | 68 | 6 | 35 | 31 | — | — | 26 | 25 | 127 | 85 | 56 | 78 | 28 |
Swell 3 Height (m) Direction Period (s) | S 15 | SSE 14 | E 14 | SE 14 | SSE 17 | S 15 | SE 13 | — | SE 12 | SE 12 | SE 11 | — | — | — | — | — | S 10 | S 9 | S 10 | — | S 11 |
| kJ | 4 | 37 | 4 | 8 | 56 | 161 | 7 | — | 6 | 6 | 5 | — | — | — | — | — | 72 | 26 | 47 | — | 114 |
Wind waves Height (m) Direction Period (s) | — | — | ENE 2 | — | — | — | — | E 7 | E 6 | S 11 | S 6 | — | ESE 8 | SSE 10 | E 6 | E 7 | — | — | SW 4 | SSW 4 | — |
| kJ | — | — | 1 | — | — | — | — | 54 | 165 | 58 | 109 | — | 24 | 794 | 187 | 271 | — | — | 10 | 13 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 19 | 47 | 0 | 19 | 26 | 55 | 135 | 417 | 32 | 95 | 95 | 95 | 32 | 0 | 0 | 19 | 305 | 19 |
Best forecast wave conditions in São Paulo | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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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