Surf Forecasts:
Praia da Boraceia surf forecast from 11 Sep 2026:
- Best quality surf: Friday 18 Sep, 3AM (local time) - 4.5ft (1.4m), 14s period, S swell with glassy winds.
- Most powerful swell: Thursday 17 Sep, 12PM (local time) - 6.5ft (2.0m), 12s period, SSE swell with 1,024 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 3PM (local time) - 2.5ft (0.8m), 13s period with S swell.
Best Forecast Surf Conditions for Praia da Boraceia this week:
The surf forecast for Praia da Boraceia over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 11) at 3PM. The primary swell is predicted to be 0.8m and 13s period with a secondary swell of 0.1m and 13s. Another secondary swell of 0.6m and 7s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Praia da Boraceia in the next 16 days are 2.0m 12s and forecast to arrive on Thursday (Sep 17) at 12PM. 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 Saturday (Sep 12) at 3AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Fri 11th Sep) | 2.5ft (0.8m) 13s |
| Best Surf | 3AM (Fri 18th Sep) | 4.5ft (1.4m) 14s |
| Most Powerful | 12PM (Thu 17th Sep) | 6.5ft (2.0m) 12s |
Table - best surf conditions forecast for Praia da Boraceia over the next 16 days.
The Lowdown
G’day, Rusty here. Let’s break it down for Boraceia. Water’s at 71°F, which is a touch warmer than usual for the time of year, so it’s not a bootie day.
We’ve got a slow start. Friday the 11th is your first real look—clean and glassy with 3ft of S swell and a 13-second period. The energy’s there (325), and with a light NNW breeze, the morning is pure. The arvo goes dead calm with 3ft, but the energy backs off a bit. Saturday the 12th is a bust—small, weak, and the wind turns onshore. Skip it.
Sunday the 13th is messy. Swell pushes to 5ft, but the period drops to 8 seconds and it’s cross-on. Lumpy and crumbly—not worth it. Monday the 14th is where it fires. Morning is glassy with 5ft from SSE (368), and the afternoon brings 5ft from the SE, with energy jumping to 663. That’s your first proper standout. Clean, punchy, and the light SW breeze keeps it lined up.
Tuesday the 15th has a clean 2ft morning, but the arvo gets cross-onshore. Wednesday the 16th is glassy with 3ft in the morning, but the afternoon turns iffy. Thursday the 17th bumps to 5ft, but it’s cross-on and less clean. Then Friday the 18th brings it home—glassy, 4ft in the morning with a 13-second period, energy at 656. Both sessions that day are beautiful. That’s your second standout.
After that, the quality fades. The weekend of the 19th and 20th has small glassy waves, but they’re weak. The whole next week, from the 21st to the 26th, is mostly small and ordinary. A few glassy moments with 2ft to 3ft, but honestly, it’s knee-high slop. The 23rd has a 4ft bump from the S, but it’s short-period and not memorable. By the 25th and 26th, it’s flat and poor.
So, mark your calendar for Monday arvo the 14th and Friday the 18th. Those are your sessions. Everything else, you’re scratching for a wave. Stay patient—this spot tends to come around.
Rusty out.
Short Range ForecastHeavy rain (total 37mm), heaviest during Sun afternoon. Warm (max 31°C on Fri afternoon, min 19°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 36mm), heaviest during Mon afternoon. Warm (max 22°C on Mon afternoon, min 17°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | |||||||||||||||
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) | S 13 | S 13 | S 12 | S 11 | S 11 | S 6 | S 8 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | S 11 | SE 8 | SSE 8 | SE 8 | S 12 | S 11 | SSE 9 | S 11 | SSE 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 289 | 199 | 100 | 59 | 37 | 98 | 245 | 327 | 212 | 243 | 341 | 283 | 86 | 115 | 207 | 104 | 184 | 114 | 328 | 546 | 355 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | off | glassy | on | on | on | cross-on | cross | glassy | glassy | cross-off | cross-off | cross-on | glassy | glassy | cross-on | on | cross-on | cross-on | glassy |
High Tide | 2:52PM1.16m | 2:41AM1.28m | 3:11PM1.14m | 3:12AM1.28m | 3:30PM1.11m | 3:42AM1.23m | 3:50PM1.07m | 4:13AM1.16m | 4:10PM1.03m | 4:45AM1.05m | 4:32PM0.97m | 5:21AM0.94m | 4:56PM0.89m | ||||||||
Low Tide | 9:02PM0.25m | 9:25AM0.03m | 9:21PM0.21m | 9:48AM0.13m | 9:39PM0.19m | 10:07AM0.23m | 9:58PM0.18m | 10:23AM0.34m | 10:17PM0.21m | 10:34AM0.45m | 10:38PM0.26m | 10:33AM0.55m | 10:59PM0.35m | ||||||||
 |  |  | |  |  | |  | | | |  |  | |  | | | | |  | | |
 | 6:05 | — | — | 6:03 | — | — | 6:03 | — | — | 6:01 | — | — | 6:01 | — | — | 6:00 | — | — | 5:58 | — | — |
 | — | 5:55 | — | — | 5:55 | — | — | 5:55 | — | — | 5:57 | — | — | 5:57 | — | — | 5:57 | — | — | 5:58 | — |
mm | 2 | 1 | 4 | 3 | 3 | 5 | 5 | 12 | 2 | 2 | 13 | 15 | — | — | — | — | 2 | 4 | — | — | — |
Temp °C | 28 | 31 | 26 | 25 | 21 | 20 | 19 | 19 | 19 | 21 | 22 | 20 | 20 | 20 | 19 | 22 | 20 | 18 | 19 | 19 | 18 |
Feels °C | 31 | 35 | 28 | 28 | 23 | 23 | 20 | 20 | 20 | 23 | 25 | 22 | 21 | 21 | 21 | 23 | 20 | 18 | 19 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 12 | SW 4 | S 11 | S 6 | ESE 8 | S 15 | SSE 8 | SSE 8 | SE 8 | SE 8 | ESE 8 | SE 8 | SSE 8 | SE 8 | S 12 | S 6 | SSE 9 | S 11 | S 11 |
| kJ | 289 | 199 | 100 | 7 | 37 | 98 | 12 | 4 | 212 | 243 | 341 | 283 | 80 | 115 | 207 | 104 | 184 | 61 | 328 | 546 | 220 |
Swell 2 Height (m) Direction Period (s) | E 8 | SE 13 | E 4 | S 11 | ESE 5 | ESE 8 | ESE 11 | — | S 15 | S 13 | S 12 | S 11 | SE 9 | S 10 | S 10 | S 13 | E 8 | SE 8 | S 12 | — | SSE 15 |
| kJ | 29 | 7 | 9 | 59 | 4 | 20 | 11 | — | 17 | 31 | 45 | 85 | 86 | 96 | 54 | 84 | 30 | 98 | 193 | — | 355 |
Swell 3 Height (m) Direction Period (s) | SE 13 | — | ESE 8 | ESE 8 | ESE 8 | S 10 | — | — | — | — | S 12 | — | S 11 | SE 9 | E 8 | S 10 | ESE 12 | S 11 | — | — | — |
| kJ | 7 | — | 19 | 11 | 11 | 29 | — | — | — | — | 71 | — | 81 | 81 | 32 | 47 | 15 | 114 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | ESE 7 | NNE 3 | — | SSW 4 | — | S 8 | SSE 8 | ESE 6 | E 6 | E 7 | — | SW 5 | SW 5 | — | — | SE 8 | — | SE 9 | ESE 5 | ESE 6 |
| kJ | — | 43 | 1 | — | 4 | — | 245 | 327 | 118 | 94 | 206 | — | 32 | 35 | — | — | 99 | — | 59 | 95 | 192 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 101 | 138 | 23 | 23 | 5 | 0 | 0 | 0 | 0 | 65 | 0 | 0 | 101 | 23 | 23 | 23 | 0 |
Best forecast wave conditions in São Paulo | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
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Information about the Praia da Boraceia Surf forecast
The above surf forecast table for Praia da Boraceia provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Praia da Boraceia can be found by selecting the local surf guide option on the grey menu. Our Praia da Boraceia 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 (Praia da Boraceia) 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 Praia da Boraceia 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.
Praia da Boraceia is 22 km (14 miles) from Bertioga. If you plan a holiday in São Paulo, look for hotels and other accommodation in Bertioga. Bertioga has rooms for a wide range of budgets as well as car hire and transport links.
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