Surf Forecasts:
Ponta Do Rapa surf forecast from 4 Sep 2026:
- Best quality surf: Monday 7 Sep, 12PM (local time) - 5ft (1.5m), 10s period, S swell with cross-offshore winds.
- Most powerful swell: Sunday 6 Sep, 6PM (local time) - 10ft (3.0m), 9s period, S swell with 1,365 kJ wave energy.
- Next surfable swell (1★+): Friday 4 Sep, 9PM (local time) - 3ft (0.9m), 8s period with ENE swell.
Best Forecast Surf Conditions for Ponta Do Rapa this week:
The surf forecast for Ponta Do Rapa over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 04) at 9PM. The primary swell is predicted to be 0.9m and 8s period with a secondary swell of 0.6m and 10s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Ponta Do Rapa in the next 16 days are 3.0m 9s and forecast to arrive on Sunday (Sep 06) at 6PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 5s period and expected on Sunday (Sep 06) at 12AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Fri 4th Sep) | 3ft (0.9m) 8s |
| Best Surf | 12PM (Mon 7th Sep) | 5ft (1.5m) 10s |
| Most Powerful | 6PM (Sun 6th Sep) | 10ft (3.0m) 9s |
Table - best surf conditions forecast for Ponta Do Rapa over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s brewing for Ponta Do Rapa.
This is a tricky one. Straight up, the first few days are a write-off for a proper surf. We’ve got a bit of energy in the water, but the conditions are just ugly. We’re looking at a gap of about three days with nothing really worth paddling out for. The reef here is a rare-breaks setup, so it’s not like you can just roll the dice on any old day.
The first real glimmer of hope comes on Monday the 7th of September. Monday afternoon is where it finally starts to come together. We’ll see a clean 5ft swell from the SSE, with a gentle breeze and clean conditions. The combined energy is moderate at 374. It’s not a monster, but it’s the first solid window.
The standout period, and the one I’d be looking at hardest, is from Thursday the 10th of September through Friday the 11th. Thursday afternoon brings glassy conditions with a 5ft swell from the E, and the energy is a moderate 301. That’s a beautiful setup for a rare reef. Then Friday morning is even better; glassy conditions again, with a 5ft swell from the ENE, period around 9 seconds, and a combined energy of 426. That’s good, clean, moderate energy. Friday afternoon also looks clean with a 6ft ENE swell and 603 energy. This is the best on offer for the whole outlook. The swell direction is matching directly from the east-northeast, which is exactly what this spot wants to see.
Later in the window, Sunday the 13th of September afternoon has a bit of promise with a clean 4ft E swell and offshore winds, energy at 486. And then Tuesday the 15th of September afternoon also has clean 6ft E swell with offshore winds, 466 energy. Those are decent options, but the Thursday-Friday combo is the real winner.
Just a heads-up, the water temperature is about average for the time of year, so nothing wild there. And remember, this break is rarely breaking, so you need to be on it when the window opens. It’s advanced only, and crowds are a possibility, but with a spot this fickle, you’ll usually have it to yourself.
Stay on it, and don’t bother with the early stuff.
Rusty.
Short Range ForecastHeavy rain (total 26mm), heaviest during Sat morning. Very mild (max 18°C on Thu night, min 13°C on Sat night). Winds increasing (light winds from the WSW on Thu night, fresh winds from the S by Sun afternoon). | Days 5-7 Weather SummaryMostly dry. Very mild (max 19°C on Wed morning, min 11°C on Sun night). Winds decreasing (fresh winds from the SSW on Sun night, calm by Tue morning). | ||||||||||||||||||
Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | ||||||||||||||
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) | SE 11 | SE 11 | ENE 8 | ENE 8 | S 9 | S 9 | ENE 8 | S 7 | S 9 | S 9 | S 10 | SSE 9 | SSE 10 | SSE 10 | SSE 10 | NE 7 | NE 8 | NE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 228 | 112 | 67 | 122 | 122 | 332 | 50 | 348 | 1033 | 739 | 539 | 367 | 388 | 386 | 214 | 405 | 461 | 402 | 353 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross | cross-off | cross-off | glassy | cross-on | cross-off | cross-on | cross-on | cross | cross |
High Tide | 00:38AM0.38m | 7:43AM0.62m | 12:03PM0.68m | 6:03PM0.47m | 12:34PM0.79m | 00:09AM0.47m | 1:00PM0.87m | 11:53PM0.56m | 1:22PM0.91m | 00:07AM0.67m | 1:37PM0.91m | 00:32AM0.77m | 1:50PM0.90m | 1:01AM0.86m | |||||
Low Tide | 9:54PM0.33m | 8:46AM0.62m | 5:09PM0.47m | 10:02PM0.38m | 4:01AM0.30m | 6:17PM0.41m | 5:14AM0.19m | 6:47PM0.37m | 6:08AM0.09m | 7:15PM0.35m | 6:52AM0.01m | 7:41PM0.34m | 7:30AM-0.04m | 8:03PM0.33m | |||||
 |  | |  |  |  |  | |  |  | | | | |  | | | | | |
 | — | 6:24 | — | — | 6:22 | — | — | 6:22 | — | — | 6:20 | — | — | 6:18 | — | — | 6:18 | — | — |
 | 6:00 | — | 6:00 | — | — | 6:01 | — | — | 6:01 | — | — | 6:01 | — | — | 6:02 | — | — | 6:02 | — |
mm | — | — | — | 5 | 8 | 11 | 2 | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 18 | 18 | 17 | 15 | 14 | 14 | 15 | 15 | 13 | 13 | 13 | 15 | 15 | 17 | 18 | 18 | 19 | 19 | 18 |
Feels °C | 18 | 15 | 13 | 13 | 11 | 10 | 10 | 10 | 5 | 6 | 9 | 12 | 14 | 17 | 18 | 19 | 18 | 17 | 18 |
Swell 1 Height (m) Direction Period (s) | SE 11 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | SSE 9 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | NE 8 | ENE 8 | ENE 8 |
| kJ | 228 | 84 | 67 | 122 | 122 | 90 | 50 | 21 | 14 | 12 | 11 | 367 | 388 | 386 | 214 | 135 | 461 | 302 | 353 |
Swell 2 Height (m) Direction Period (s) | ENE 8 | SE 11 | SE 10 | SE 10 | SE 10 | S 16 | SE 10 | E 9 | — | — | E 8 | E 8 | ENE 8 | E 8 | SSW 9 | S 15 | SSE 9 | S 11 | S 10 |
| kJ | 28 | 112 | 65 | 50 | 37 | 5 | 16 | 14 | — | — | 11 | 5 | 6 | 4 | 8 | 4 | 86 | 89 | 80 |
Swell 3 Height (m) Direction Period (s) | S 10 | — | S 9 | S 10 | SE 10 | S 16 | S 14 | — | — | — | — | NE 8 | E 8 | ENE 8 | — | — | SSE 14 | SSE 9 | SSE 8 |
| kJ | 2 | — | 1 | 2 | 37 | 5 | 15 | — | — | — | — | 2 | 5 | 6 | — | — | 18 | 31 | 7 |
Wind waves Height (m) Direction Period (s) | NNE 5 | S 4 | S 5 | SSE 6 | S 9 | S 9 | S 5 | S 7 | S 9 | S 9 | S 10 | — | — | E 5 | ENE 6 | NE 7 | — | NE 8 | — |
| kJ | 32 | 32 | 64 | 34 | 94 | 332 | 129 | 348 | 1033 | 739 | 539 | — | — | 58 | 142 | 405 | — | 402 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 2 | 1 | 1 | 0 | 1 | 1 | 57 | 1 | 1569 | 1 | 1 | 0 | 0 | 1 | 0 | 2 | 2 | 36 | 11 |
Best forecast wave conditions in Florianópolis | |||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||
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Information about the Ponta Do Rapa Surf forecast
The above surf forecast table for Ponta Do Rapa provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Ponta Do Rapa can be found by selecting the local surf guide option on the grey menu. Our Ponta Do Rapa 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 (Ponta Do Rapa) 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 Ponta Do Rapa 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.
Ponta Do Rapa is 24 km (15 miles) from Florianopolis. If you plan a holiday in Florianópolis, look for hotels and other accommodation in Florianopolis. Florianopolis has rooms for a wide range of budgets as well as car hire and transport links.
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