Surf Forecasts:
Quebra Mar surf forecast from 7 Sep 2026:
- Best quality surf: Friday 11 Sep, 12AM (local time) - 2.5ft (0.8m), 15s period, SSE swell with offshore winds.
- Most powerful swell: Monday 14 Sep, 12PM (local time) - 6.5ft (2.0m), 13s period, SSE swell with 1,359 kJ wave energy.
- Next surfable swell (1★+): Monday 7 Sep, 9PM (local time) - 4.5ft (1.3m), 10s period with SSE swell.
Best Forecast Surf Conditions for Quebra Mar this week:
The surf forecast for Quebra Mar over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 07) at 9PM. The primary swell is predicted to be 1.3m and 10s period with a secondary swell of 0.1m and 8s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Quebra Mar in the next 16 days are 2.0m 13s and forecast to arrive on Monday (Sep 14) at 12PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Monday (Sep 14) at 12AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Mon 7th Sep) | 4.5ft (1.3m) 10s |
| Best Surf | 12AM (Fri 11th Sep) | 2.5ft (0.8m) 15s |
| Most Powerful | 12PM (Mon 14th Sep) | 6.5ft (2.0m) 13s |
Table - best surf conditions forecast for Quebra Mar over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's have a look at what the next couple of weeks are shaping up like for our local stretch.
Right off the bat, we gotta be honest: the first week is a bit of a grind. There’s surfable waves, but it’s nothing to get excited about. The energy is low, with combined swell readings sitting in the low hundreds (319 to 341), just weak little pulses. You’ll see a mix of small SSE swell around 3ft to 4ft, but the wind is a real tease. Tuesday morning the 8th looks like it could be a sneaky one, with glassy conditions and a clean 3ft from the SSE. That’s your best bet for a quiet session, water temp is a touch warmer than normal at 71°F.
Then we hit a bit of a dead zone. From Wednesday the 9th through to Saturday the 12th, it’s mostly small, messy, and wind-affected. Swell drops off, period is short, and we get onshore slop. Honestly, not worth paddling out for unless you’re desperate. The combined energy numbers drop into the double digits and low triple digits, which tells you everything.
Now, hang on to your board, because things get interesting. Sunday the 13th sees a proper push of energy. The swell jumps to 6ft from the SSE, with a solid 13-second period, and the combined energy rockets up to 1010 (moderate). The wind is a bit cross-off, so it’ll be a bit lumpy but still surfable. The real standout, though, is Tuesday the 15th. Monday the 14th is a bit of a warm-up with 6ft, but Tuesday morning is the pick of the whole forecast. We’re looking at 6ft of SSE groundswell with a 12-second period, and the combined energy is a massive 1943 (strong). But the best part? Glassy conditions. That’s proper. This is when Quebra Mar will be offering the best shaped waves of the whole run, with a little power and length to them. This is the one to circle on your calendar.
After that peak, we ease back down. Wednesday the 16th is still clean and fun with 3ft, and a lower energy reading of 488, but still a good session. The rest of the week into the weekend gets a bit sloppy again, with onshore winds and small, short-period windswell. The final fling is on Saturday the 19th, with a 6ft easterly windswell, but the period is a short 8 seconds and the wind is up, making it a bit of a choppy mess. That one’s more for the kites, if you ask me. The 20th and 21st offer some small, cleanish waves, but nothing to rival that Tuesday the 15th.
So, the bottom line: the first week is a write-off for anything good. The real window is Monday the 14th through Wednesday the 16th, with Tuesday the 15th being the absolute standout. Glassy conditions, chest to head high SSE swell, and plenty of energy. Get on it.
Rusty.
Short Range ForecastHeavy rain (total 42mm), heaviest during Tue night. Warm (max 23°C on Thu morning, min 16°C on Mon afternoon). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 22mm), heaviest during Thu afternoon. Warm (max 32°C on Fri afternoon, min 17°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Mon 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | ||||||||||||||
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 | S 10 | SSE 10 | S 10 | S 10 | ESE 8 | ESE 8 | SSE 12 | S 12 | S 13 | SSE 15 | S 13 | S 13 | S 12 | S 11 | ESE 8 | SSE 9 | S 13 | SSE 13 | SSE 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 335 | 202 | 184 | 133 | 71 | 93 | 74 | 157 | 141 | 119 | 300 | 176 | 115 | 71 | 21 | 38 | 311 | 987 | 1144 | 1182 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | glassy | on | glassy | on | off | cross-off | cross-off | off | off | on | off | cross-off | on | cross | cross | cross | cross-off | cross-off |
High Tide | 00:06AM1.17m | 1:32PM1.43m | 00:36AM1.32m | 1:56PM1.44m | 1:07AM1.42m | 2:20PM1.40m | 1:40AM1.45m | 2:43PM1.32m | 2:13AM1.42m | 3:06PM1.22m | 2:47AM1.33m | 3:28PM1.09m | ||||||||
Low Tide | 6:47PM0.44m | 6:59AM0.05m | 7:15PM0.41m | 7:30AM0.03m | 7:42PM0.38m | 8:01AM0.04m | 8:11PM0.34m | 8:30AM0.07m | 8:40PM0.30m | 8:58AM0.14m | 9:10PM0.27m | 9:22AM0.22m | 9:39PM0.26m | |||||||
 |  |  | |  |  |  | | | | |  |  |  | | |  | | |  | |
 | — | — | 6:09 | — | — | 6:07 | — | — | 6:07 | — | — | 6:05 | — | — | 6:05 | — | — | 6:03 | — | — |
 | 5:55 | — | — | 5:55 | — | — | 5:57 | — | — | 5:57 | — | — | 5:57 | — | — | 5:58 | — | — | 5:58 | — |
mm | 2 | 3 | — | — | 7 | 14 | 9 | 1 | 6 | 5 | 1 | 1 | — | — | 1 | 1 | 10 | 3 | 2 | 31 |
Temp °C | 17 | 16 | 18 | 17 | 18 | 19 | 21 | 21 | 23 | 25 | 23 | 25 | 32 | 29 | 24 | 20 | 18 | 18 | 18 | 18 |
Feels °C | 16 | 16 | 17 | 17 | 19 | 21 | 23 | 22 | 24 | 28 | 25 | 27 | 32 | 30 | 24 | 19 | 18 | 16 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | SSE 10 | S 10 | SSE 10 | S 10 | ESE 7 | ESE 8 | ESE 8 | ESE 7 | S 12 | S 13 | SSE 15 | S 13 | S 13 | E 5 | ESE 5 | ESE 8 | SSE 9 | S 13 | SSE 13 | SSE 12 |
| kJ | 335 | 202 | 184 | 133 | 64 | 93 | 74 | 48 | 141 | 119 | 300 | 176 | 115 | 12 | 9 | 38 | 311 | 987 | 1144 | 1182 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | SE 5 | SE 6 | ESE 7 | S 10 | S 10 | S 10 | SSE 12 | ESE 7 | ESE 7 | ESE 8 | E 5 | SE 13 | S 12 | SE 8 | S 11 | SSE 13 | ESE 9 | ESE 9 | SSE 16 |
| kJ | 6 | 25 | 38 | 56 | 71 | 68 | 47 | 157 | 43 | 27 | 32 | 14 | 7 | 71 | 17 | 21 | 286 | 8 | 7 | 140 |
Swell 3 Height (m) Direction Period (s) | — | SE 8 | — | SSE 13 | SSE 12 | S 15 | SSE 14 | E 14 | SE 14 | SSE 17 | SE 14 | SE 7 | — | ESE 8 | S 11 | — | ESE 8 | ESE 9 | — | — |
| kJ | — | 2 | — | 33 | 30 | 4 | 19 | 4 | 8 | 27 | 7 | 14 | — | 12 | 21 | — | 27 | 15 | — | — |
Wind waves Height (m) Direction Period (s) | — | E 5 | E 6 | — | — | WSW 2 | — | — | — | — | E 8 | — | ESE 6 | N 2 | SW 3 | S 4 | — | — | — | ESE 6 |
| kJ | — | 51 | 97 | — | — | 1 | — | — | — | — | 74 | — | 27 | 1 | 4 | 13 | — | — | — | 191 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 9 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 7 | 22 | 439 | 124 | 68 | 68 | 63 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
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Information about the Quebra Mar Surf forecast
The above surf forecast table for Quebra Mar provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Quebra Mar can be found by selecting the local surf guide option on the grey menu. Our Quebra Mar 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 (Quebra Mar) 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 Quebra Mar 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.
Quebra Mar is 6 km (4 miles) from the city of Praia Grande. If you plan a holiday in São Paulo, look for hotels and other accommodation in Praia Grande. Praia Grande has rooms for a wide range of budgets as well as car hire and transport links.
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