Surf Forecasts:
Ribanceira surf forecast from 23 Aug 2026:
- Best quality surf: Sunday 23 Aug, 9PM (local time) - 10ft (3.0m), 14s period, S swell with offshore winds.
- Most powerful swell: Monday 24 Aug, 9AM (local time) - 8ft (2.5m), 14s period, S swell with 3,029 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 6AM (local time) - 6ft (1.9m), 11s period with S swell.
Best Forecast Surf Conditions for Ribanceira this week:
The surf forecast for Ribanceira over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 23) at 6AM. The primary swell is predicted to be 1.9m and 11s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Ribanceira in the next 16 days are 2.5m 14s and forecast to arrive on Monday (Aug 24) at 9AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 9s period and expected on Friday (Aug 28) at 9PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Sun 23rd Aug) | 6ft (1.9m) 11s |
| Best Surf | 9PM (Sun 23rd Aug) | 10ft (3.0m) 14s |
| Most Powerful | 9AM (Mon 24th Aug) | 8ft (2.5m) 14s |
Table - best surf conditions forecast for Ribanceira over the next 16 days.
The Lowdown
Alright, this is Rusty checking in from Ribanceira. We’ve got a solid run of surf coming up, but it kicks off with a bit of a wait before the real magic happens.
The first couple of days, Sunday the 23rd and Monday the 24th, are looking prime. Sunday morning starts clean with a 7ft south swell, 11-second period, and light offshore wind. The wave energy is moderate at (1022). It’s not huge but it’s well-shaped. By Monday the 24th, things ramp up. We’re looking at an 8ft south swell with a long 14-second period and glassy conditions in the morning. That’s a standout session right there. The wave energy is very strong at (3029), and the offshore wind will keep it clean. This is for experienced surfers though – that size and power is no joke. The water temp is about average for this time of year, so no surprises there.
Tuesday the 25th is a write-off with onshore winds and poor conditions. Wednesday and Thursday are also blown out with strong onshore winds and messy surf. By Friday the 28th, the swell drops right off and we’re in a lull that lasts through the weekend.
Now, here’s the next standout: Monday the 31st of August. We get a new pulse of swell, 8ft from the east-southeast, but the period is short at 8 seconds. It’s still got moderate energy (1053) and cross-offshore wind keeps it clean. That’s a solid option if you’re keen, but it won’t be as well-shaped as the earlier south swell.
After that, it fades again. The first week of September is small and ordinary. A few mornings have light offshore winds but the swell is tiny – under 3ft. It’s not worth paddling out for. The whole stretch from the 28th of August through to the 7th of September is a long gap with very little on offer.
In short, the clear standout is Monday the 24th of August with that 8ft south groundswell and glassy morning conditions. The secondary highlight is Monday the 31st of August with a similar size but shorter period. Get on it if you can handle the size.
Rusty.
Short Range ForecastMostly dry. Very mild (max 18°C on Tue afternoon, min 9°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 7mm), mostly falling on Wed night. Warm (max 25°C on Fri afternoon, min 14°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | ||||||||||||||
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 10 | S 11 | S 12 | S 13 | S 14 | S 14 | S 13 | S 13 | S 12 | SSE 16 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 12 | SSE 11 | SSE 11 | SSE 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 708 | 1022 | 1522 | 2993 | 3029 | 2507 | 1520 | 1273 | 926 | 2581 | 2152 | 1797 | 1357 | 700 | 476 | 222 | 107 | 68 | 41 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | off | cross-off | cross-off | glassy | cross-off | cross-on | cross-on | on | cross-on | on | on | cross-on | cross-on | on | on | cross-on | cross-on | cross-off |
High Tide | 10:23PM0.39m | 12:07PM0.46m | 11:27PM0.45m | 12:34PM0.51m | 00:07AM0.52m | 1:15PM0.56m | 00:48AM0.58m | 1:57PM0.61m | 1:34AM0.63m | 2:30PM0.65m | 2:16AM0.67m | 2:59PM0.67m | 2:52AM0.70m | ||||||
Low Tide | 5:06AM0.11m | 5:41PM0.20m | 5:48AM0.06m | 6:24PM0.17m | 6:33AM0.02m | 7:05PM0.14m | 7:16AM-0.02m | 7:40PM0.12m | 7:51AM-0.04m | 8:09PM0.11m | 8:21AM-0.04m | 8:34PM0.12m | |||||||
 |  | | |  |  |  | | | | |  |  | | | | | | | |
 | — | 6:37 | — | — | 6:37 | — | — | 6:35 | — | — | 6:35 | — | — | 6:33 | — | — | 6:33 | — | — |
 | — | — | 5:55 | — | — | 5:55 | — | — | 5:57 | — | — | 5:57 | — | — | 5:58 | — | — | 5:58 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 5 | — | — | — | 1 | — | 4 |
Temp °C | 11 | 14 | 14 | 12 | 14 | 14 | 13 | 17 | 18 | 15 | 19 | 20 | 18 | 24 | 23 | 20 | 23 | 25 | 20 |
Feels °C | 9 | 11 | 10 | 9 | 12 | 11 | 12 | 14 | 15 | 13 | 17 | 18 | 17 | 22 | 21 | 18 | 24 | 27 | 22 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 11 | S 12 | S 13 | S 14 | S 14 | S 13 | S 13 | S 12 | SSE 16 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 12 | ENE 8 | ENE 9 | ENE 9 |
| kJ | 708 | 1022 | 1522 | 2993 | 3029 | 2507 | 1520 | 1273 | 926 | 2581 | 2152 | 1797 | 1357 | 700 | 476 | 222 | 476 | 554 | 585 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | NE 8 | ENE 8 | ENE 8 | — | — | — | — | SSE 16 | — | — | — | — | — | — | — | SSE 11 | SSE 11 | SSE 10 |
| kJ | 29 | 17 | 6 | 6 | — | — | — | — | 452 | — | — | — | — | — | — | — | 107 | 68 | 41 |
Swell 3 Height (m) Direction Period (s) | — | NE 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 17 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NE 3 | NE 4 | NE 4 | NE 5 | NE 6 | NE 7 | NE 7 | NE 7 | NNW 5 | — | — |
| kJ | — | — | — | — | — | — | — | — | 6 | 12 | 24 | 56 | 188 | 206 | 317 | 386 | 64 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 6 | 2 | 6 | 47 | 2 | 2 | 5 | 5 | 47 | 5 | 4 |
Best forecast wave conditions in Santa Catarina - Sul | |||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||
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Information about the Ribanceira Surf forecast
The above surf forecast table for Ribanceira provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Ribanceira can be found by selecting the local surf guide option on the grey menu. Our Ribanceira 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 (Ribanceira) 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 Ribanceira 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.
Ribanceira is 6 km (4 miles) from Imbituba. If you plan a holiday in Santa Catarina - Sul, look for hotels and other accommodation in Imbituba. Imbituba has rooms for a wide range of budgets as well as car hire and transport links.
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