Surf Forecasts:
Balneario Sao Jose surf forecast from 20 Jul 2026:
- Best quality surf: Monday 20 Jul, 9PM (local time) - 4ft (1.2m), 8s period, E swell with cross-offshore winds.
- Most powerful swell: Sunday 26 Jul, 3PM (local time) - 2.5ft (0.8m), 13s period, S swell with 212 kJ wave energy.
- Next surfable swell (1★+): Monday 20 Jul, 6AM (local time) - 2.5ft (0.8m), 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 (Jul 20) at 6AM. The primary swell is predicted to be 0.8m and 8s period with a secondary swell of 0.2m and 12s. 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 0.8m 13s and forecast to arrive on Sunday (Jul 26) 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 0.4m 3s period and expected on Friday (Jul 24) at 6PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Mon 20th Jul) | 2.5ft (0.8m) 8s |
| Best Surf | 9PM (Mon 20th Jul) | 4ft (1.2m) 8s |
| Most Powerful | 3PM (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 folks, Rusty here. Let’s have a look at what’s on the cards for Balneario Sao Jose.
Right off the bat, we’re looking at a pretty quiet start. The first few days aren't offering much to get excited about – small, ordinary waves and light winds, but nothing with any real punch. The surf is there, but it's very average. The real action, if you can call it that, doesn’t show up until later in the week.
The first highlight I can see is Saturday, 25 July on the morning. We’ve got a 4ft swell coming from the SSE with a 9-second period. The combined energy hits 225 (moderate), and the wind is a cross-offshore breeze from the west. That should keep things reasonably clean. It’s the best call for a weekend paddle, but it’s not a world-beater.
The standout session, and the one I’d be aiming for, is Monday, 27 July in the morning. The swell is up to 5ft from the SE with a 10-second period, and the combined energy is a solid 548 (moderate to strong). The best part? Glassy conditions – a light NNW breeze of 5 mph. That’s proper clean surf. The sets will have some push, and the line-up should be well-shaped. This is the pick of the fortnight.
Looking further ahead, Tuesday, 28 July morning also looks promising with 5ft SE swell, a long 11-second period, and glassy conditions again. The energy is 489. That’s a solid groundswell, and with the light wind, Balneario Sao Jose should be fun. The swell direction is a bit off the optimum, but the quality of the swell and the clean conditions make it a worthy backup.
After that, the swell slowly winds down through the end of July and into the first days of August. We get a few more clean mornings with small waves, but nothing that’ll have you calling in sick for.
One thing to note: this spot is a beach/pier setup, and it can get crowded often, so expect company, especially on the better days. The water temperature is about average for the time of year – nothing unusual there.
So, to sum it up: the first week is a grind, but the 27th and 28th of July are your best bets. Get on it.
Rusty.
Short Range ForecastSome drizzle, heaviest during Wed night. Warm (max 32°C on Wed morning, min 20°C on Wed afternoon). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 46mm), heaviest during Fri morning. Warm (max 22°C on Thu morning, min 18°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | |||||||||||||||
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) | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | S 9 | S 8 | SSE 8 | SSE 8 | SSE 8 | SSE 9 | SE 9 | S 13 | SE 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 112 | 105 | 100 | 78 | 105 | 80 | 84 | 111 | 68 | 50 | 51 | 48 | 146 | 173 | 176 | 185 | 164 | 207 | 194 | 212 | 172 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-off | cross-off | off | off | cross-on | glassy | cross-off | on | cross-on | glassy | cross-off | cross-on | glassy | glassy | glassy | cross-on | cross-on | cross-off |
High Tide | 6:20PM0.97m | 6:39AM1.02m | 6:57PM0.91m | 7:42AM0.91m | 7:46PM0.84m | 9:31AM0.84m | 9:11PM0.79m | 12:39PM0.92m | 11:26PM0.82m | 1:18PM1.03m | 00:35AM0.91m | 1:47PM1.12m | 1:14AM1.01m | ||||||||
Low Tide | 11:55AM0.43m | 11:38PM0.49m | 12:27PM0.55m | 00:38AM0.52m | 3:06PM0.66m | 3:42AM0.52m | 5:08PM0.66m | 5:14AM0.44m | 6:21PM0.59m | 6:16AM0.34m | 7:09PM0.52m | 7:03AM0.24m | 7:46PM0.45m | ||||||||
 | |  | | | | |  |  |  | |  |  | | | | | | | | | |
 | 6:47 | — | — | 6:47 | — | — | 6:47 | — | — | 6:46 | — | — | 6:46 | — | — | 6:45 | — | — | 6:45 | — | — |
 | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — | — | 5:38 | — | — | 5:39 | — | — | 5:39 | — |
mm | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 16 | 17 | 5 | 5 | — | — | — | — | — | — |
Temp °C | 29 | 30 | 24 | 31 | 31 | 25 | 32 | 28 | 21 | 22 | 20 | 19 | 19 | 19 | 18 | 21 | 21 | 20 | 18 | 19 | 15 |
Feels °C | 26 | 29 | 23 | 29 | 29 | 23 | 29 | 26 | 23 | 23 | 21 | 21 | 20 | 21 | 19 | 22 | 23 | 21 | 16 | 16 | 15 |
Swell 1 Height (m) Direction Period (s) | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | S 9 | S 8 | SSE 8 | SSE 8 | SSE 8 | SSE 9 | SE 9 | SE 9 | SE 9 |
| kJ | 112 | 105 | 100 | 78 | 105 | 80 | 84 | 111 | 68 | 50 | 51 | 48 | 146 | 173 | 176 | 185 | 164 | 207 | 194 | 194 | 172 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 11 | S 11 | S 10 | S 9 | S 13 | SW 4 | SE 4 | SE 4 | S 9 | E 8 | E 8 | E 8 | E 8 | E 8 | SSE 13 | S 12 | S 13 | S 12 |
| kJ | 3 | 11 | 3 | 2 | 2 | 8 | 7 | 4 | 9 | 9 | 5 | 36 | 31 | 19 | 18 | 10 | 18 | 55 | 108 | 212 | 104 |
Swell 3 Height (m) Direction Period (s) | S 15 | — | — | — | — | — | — | — | S 8 | S 8 | S 8 | S 12 | — | — | — | E 5 | S 14 | E 8 | SSE 15 | E 7 | E 7 |
| kJ | 4 | — | — | — | — | — | — | — | 12 | 12 | 11 | 3 | — | — | — | 2 | 16 | 10 | 22 | 9 | 9 |
Wind waves Height (m) Direction Period (s) | — | NE 2 | — | — | — | — | — | S 9 | — | — | SSW 4 | S 4 | — | — | — | — | — | — | — | — | — |
| kJ | — | 1 | — | — | — | — | — | 41 | — | — | 1 | 4 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 43 | 0 | 0 | 411 | 48 | 0 | 0 | 43 | 0 | 0 | 0 | 230 | 236 | 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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