Surf Forecasts:
Ribanceira surf forecast from 19 Aug 2026:
- Best quality surf: Sunday 23 Aug, 9PM (local time) - 8ft (2.5m), 13s period, S swell with offshore winds.
- Most powerful swell: Monday 24 Aug, 12PM (local time) - 8ft (2.5m), 15s period, S swell with 3,371 kJ wave energy.
- Next surfable swell (1★+): Friday 21 Aug, 12PM (local time) - 4.5ft (1.3m), 8s 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 Friday (Aug 21) at 12PM. The primary swell is predicted to be 1.3m and 8s period with a secondary swell of 0.1m and 11s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Ribanceira in the next 16 days are 2.5m 15s and forecast to arrive on Monday (Aug 24) at 12PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 7s period and expected on Thursday (Aug 20) at 3PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12PM (Fri 21st Aug) | 4.5ft (1.3m) 8s |
| Best Surf | 9PM (Sun 23rd Aug) | 8ft (2.5m) 13s |
| Most Powerful | 12PM (Mon 24th Aug) | 8ft (2.5m) 15s |
Table - best surf conditions forecast for Ribanceira over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's have a look at what's on the cards for us over the next couple of weeks.
Right now, it's flat. Nothing doing. We've got a gap of a few days with no real surf on offer, so don't bother paddling out until we see some life in the water.
The first real glimmer of hope comes Saturday the 22nd. The sandbars at Ribanceira should start showing some signs of life. Saturday morning we've got a 8 ft south swell rolling in, with a gentle offshore wind from the SSW. That's clean, but this is a big one – over 8 ft, so this is strictly for the experienced crew. The wave energy is pumping strong (1612). Saturday afternoon drops a touch to 6 ft but stays clean with a cross-off breeze.
Sunday the 23rd keeps things going with a 6 ft south swell in the morning, light offshore winds, and a decent 11-second period. The energy is solid (649). The afternoon picks up to 7 ft with a 12-second period, but the wind swings cross-off. Still clean, but that's getting big again.
Now, if you're looking for the standout session of the whole forecast, circle Monday the 24th. Ribanceira is looking absolutely prime. We're talking 8 ft of south swell, a 13-second period, and glassy conditions with a light easterly breeze. The water is a pleasant 66°, which is about average for this time of year. The wave energy is very strong (2938). This is excellent surf for experienced surfers. The afternoon gets a bit messy with onshore winds, but that morning session is the one to chase.
After that, the swell backs off. Tuesday the 25th is small and choppy. Wednesday the 26th has a clean 4 ft glassy morning, but it's a shadow of the Monday. From there, it's a slow fade into small, weak, and often windy conditions through the end of August and into the first few days of September. There's a brief uptick on Thursday the 3rd of September with a 5 ft north-east swell and offshore winds, but the period is a short 6 seconds, so it'll be a bit lumpy and ordinary.
Bottom line: don't hold your breath for the next few days. The real action is a standout Monday the 24th. Get on it.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Thu afternoon, min 12°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 21°C on Tue morning, min 11°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | ||||||||||||||
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 9 | S 7 | S 9 | S 9 | S 8 | E 11 | S 9 | S 9 | S 9 | S 9 | S 10 | S 11 | S 12 | S 14 | S 13 | S 14 | S 14 | S 13 | S 13 | S 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 1 | 24 | 106 | 53 | 33 | 2 | 621 | 1225 | 961 | 526 | 511 | 649 | 1269 | 3247 | 1952 | 2850 | 1867 | 1103 | 851 | 565 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | on | on | cross-off | off | cross-off | off | off | cross-off | glassy | off | cross-off | off | glassy | on | cross-on | cross-on | on | cross-on |
High Tide | 6:24PM0.45m | 7:19AM0.45m | 12:30PM0.36m | 7:12PM0.42m | 8:18AM0.40m | 1:10PM0.39m | 8:07PM0.39m | 12:21PM0.42m | 10:23PM0.39m | 12:07PM0.46m | 11:27PM0.45m | 12:34PM0.51m | 00:07AM0.52m | 1:15PM0.56m | 00:48AM0.58m | |||||
Low Tide | 10:01PM0.21m | 9:36AM0.32m | 3:01PM0.32m | 3:13AM0.21m | 4:25PM0.28m | 4:23AM0.16m | 12:13PM0.39m | 5:06AM0.11m | 5:41PM0.20m | 5:48AM0.06m | 6:24PM0.17m | 6:33AM0.02m | 7:05PM0.14m | |||||||
 |  | | |  |  | | | |  | | | | | | | | | | | |
 | — | — | 6:41 | — | — | 6:39 | — | — | 6:39 | — | — | 6:37 | — | — | 6:37 | — | — | 6:35 | — | — |
 | 5:53 | — | — | 5:53 | — | — | 5:54 | — | — | 5:54 | — | — | 5:55 | — | — | 5:55 | — | — | 5:57 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 19 | 24 | 26 | 21 | 20 | 19 | 14 | 14 | 13 | 12 | 14 | 13 | 12 | 15 | 16 | 13 | 21 | 22 | 17 |
Feels °C | 22 | 21 | 23 | 25 | 21 | 16 | 14 | 10 | 11 | 10 | 10 | 11 | 9 | 9 | 12 | 12 | 9 | 18 | 19 | 17 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | S 9 | S 9 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | S 9 | S 9 | S 10 | S 11 | S 12 | S 14 | S 13 | S 14 | S 14 | S 13 | S 13 | S 12 |
| kJ | 119 | 102 | 106 | 53 | 99 | 56 | 52 | 50 | 651 | 526 | 511 | 649 | 1269 | 3247 | 1952 | 2850 | 1867 | 1103 | 851 | 565 |
Swell 2 Height (m) Direction Period (s) | S 9 | S 7 | SE 12 | SE 12 | SE 11 | E 11 | E 11 | — | ENE 9 | ENE 9 | ENE 8 | NE 8 | ENE 8 | ENE 7 | SSE 16 | — | — | — | — | — |
| kJ | 1 | 24 | 6 | 6 | 5 | 2 | 2 | — | 65 | 70 | 28 | 16 | 11 | 5 | 986 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | S 7 | S 10 | — | — | S 15 | SE 6 | — | — | — | — | — | — | — | — | ENE 7 | — | — | — | — | — |
| kJ | 1 | 18 | — | — | 4 | 1 | — | — | — | — | — | — | — | — | 5 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 3 | — | ENE 8 | ENE 7 | S 8 | SSW 6 | S 9 | S 9 | S 9 | — | — | — | — | — | — | — | NNE 3 | NNE 4 | NE 5 | NE 4 |
| kJ | 4 | — | 110 | 183 | 33 | 46 | 621 | 1225 | 961 | — | — | — | — | — | — | — | 7 | 11 | 54 | 29 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 4 | 6 | 6 | 5 | 4 | 4 | 93 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 6 | 45 | 2 | 18 | 2 |
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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