Surf Forecasts:
Balneario Sao Jose surf forecast from 21 Sep 2026:
- Best quality surf: Thursday 24 Sep, 12PM (local time) - 5ft (1.6m), 14s period, S swell with glassy winds.
- Most powerful swell: Thursday 24 Sep, 6AM (local time) - 5.5ft (1.7m), 15s period, S swell with 1,241 kJ wave energy.
- Next surfable swell (1★+): Monday 21 Sep, 6AM (local time) - 3.5ft (1.1m), 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 Monday (Sep 21) at 6AM. The primary swell is predicted to be 1.1m and 8s period with a secondary swell of 0.2m 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 1.7m 15s and forecast to arrive on Thursday (Sep 24) at 6AM. 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 Sunday (Sep 27) at 9PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Mon 21st Sep) | 3.5ft (1.1m) 8s |
| Best Surf | 12PM (Thu 24th Sep) | 5ft (1.6m) 14s |
| Most Powerful | 6AM (Thu 24th Sep) | 5.5ft (1.7m) 15s |
Table - best surf conditions forecast for Balneario Sao Jose over the next 16 days.
Short Range ForecastHeavy rain (total 32mm), heaviest during Tue afternoon. Warm (max 35°C on Mon afternoon, min 17°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 10mm), heaviest on Wed night. Warm (max 26°C on Sat morning, min 17°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | ||||||||||||||
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 | E 8 | E 8 | E 8 | S 6 | S 7 | SSE 8 | S 16 | S 14 | S 14 | S 14 | S 13 | S 13 | SSE 12 | S 11 | S 11 | ESE 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 161 | 165 | 134 | 76 | 60 | 86 | 95 | 262 | 481 | 542 | 1191 | 905 | 925 | 498 | 334 | 189 | 89 | 86 | 37 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | off | glassy | on | on | on | on | on | cross-on | glassy | glassy | glassy | on | glassy | glassy | cross-on | glassy |
High Tide | 11:53PM0.78m | 1:02PM1.05m | 00:13AM0.94m | 1:11PM1.15m | 00:37AM1.09m | 1:26PM1.24m | 1:03AM1.23m | 1:45PM1.31m | 1:31AM1.35m | 2:07PM1.35m | 2:02AM1.43m | 2:32PM1.36m | 2:35AM1.47m | ||||||
Low Tide | 5:41AM0.34m | 6:25PM0.49m | 6:24AM0.20m | 6:55PM0.39m | 7:01AM0.08m | 7:25PM0.29m | 7:35AM-0.01m | 7:54PM0.23m | 8:08AM-0.05m | 8:22PM0.18m | 8:40AM-0.05m | 8:48PM0.16m | |||||||
 |  | |  |  |  |  | | |  |  | | | | | | | | | |
 | — | 5:56 | — | — | 5:56 | — | — | 5:54 | — | — | 5:54 | — | — | 5:52 | — | — | 5:52 | — | — |
 | 6:00 | — | 6:00 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:02 | — | — | 6:02 | — |
mm | — | — | — | — | — | 7 | 10 | 7 | 8 | 5 | 2 | 3 | — | — | — | — | — | — | — |
Temp °C | 26 | 33 | 35 | 28 | 23 | 22 | 19 | 17 | 17 | 18 | 19 | 18 | 18 | 21 | 22 | 20 | 26 | 25 | 22 |
Feels °C | 28 | 33 | 36 | 28 | 25 | 25 | 21 | 16 | 16 | 19 | 22 | 20 | 20 | 23 | 24 | 22 | 28 | 27 | 25 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | SSW 6 | S 6 | E 9 | E 8 | S 9 | S 14 | S 14 | S 14 | S 13 | S 13 | ESE 7 | ESE 7 | ESE 7 | ESE 7 |
| kJ | 161 | 165 | 134 | 76 | 60 | 50 | 95 | 54 | 34 | 188 | 1191 | 905 | 925 | 498 | 334 | 66 | 53 | 53 | 37 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 11 | S 11 | S 10 | S 12 | E 8 | E 8 | S 12 | ESE 13 | S 16 | ESE 7 | ESE 6 | ESE 6 | ESE 7 | ESE 7 | SSE 12 | S 11 | S 11 | SSE 10 |
| kJ | 11 | 10 | 2 | 2 | 3 | 86 | 71 | 12 | 16 | 542 | 68 | 71 | 74 | 83 | 96 | 189 | 89 | 86 | 34 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SE 14 | S 10 | S 12 | S 11 | — | E 11 | ESE 6 | ESE 12 | SE 11 | SE 11 | ESE 10 | — | — | — | — | S 15 |
| kJ | — | — | — | 8 | 2 | 3 | 3 | — | 2 | 52 | 54 | 31 | 29 | 10 | — | — | — | — | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SW 4 | — | — | S 7 | SSE 8 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 22 | — | — | 262 | 481 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 32 | 171 | 175 | 95 | 91 | 25 | 0 | 0 | 0 | 66 | 0 | 0 | 32 | 0 |
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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