Surf Forecasts:
Ribanceira surf forecast from 19 Aug 2026:
- Best quality surf: Monday 24 Aug, 3AM (local time) - 10ft (3.0m), 14s period, S swell with offshore winds.
- Most powerful swell: Monday 24 Aug, 6AM (local time) - 10ft (3.0m), 13s period, S swell with 2,959 kJ wave energy.
- Next surfable swell (1★+): Friday 21 Aug, 6AM (local time) - 5.5ft (1.7m), 6s period with SSW 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 6AM. The primary swell is predicted to be 1.7m and 6s period with a secondary swell of 1.2m and 6s. 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 3.0m 13s and forecast to arrive on Monday (Aug 24) at 6AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 7s period and expected on Wednesday (Aug 26) at 9AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Fri 21st Aug) | 5.5ft (1.7m) 6s |
| Best Surf | 3AM (Mon 24th Aug) | 10ft (3.0m) 14s |
| Most Powerful | 6AM (Mon 24th Aug) | 10ft (3.0m) 13s |
Table - best surf conditions forecast for Ribanceira over the next 16 days.
The Lowdown
Alright, Rusty here. Let's take a look at what's cooking at Ribanceira.
First thing, the water is about 66°F, which is normal for this time of year. No surprises there.
The first couple of days are a total bust. Wednesday and Thursday, the 19th and 20th of August, are flat. Don't bother. But hang tight, because it gets better.
Friday morning, the 21st, we get a small bump of 5ft from the SSW with a short period of 7 seconds and an offshore breeze. It's surfable, but weak. The combined energy is only 264, so it's pretty ordinary.
Saturday morning, the 22nd, things start moving. The swell is 7ft from the S, period 9 seconds, with a gentle offshore wind. The energy jumps to 1064, so there's some proper power. This is a good, fun size for intermediate surfers, and it's clean.
Sunday morning the 23rd is clean again, with 5ft from the S, period 10 seconds, and a light offshore. It's a nice, manageable day.
Now, the standout. Monday morning, the 24th of August. We're looking at 8ft of S swell with a 13-second period, glassy conditions, and a combined energy of 2507. That's serious groundswell with heaps of power. The direction is a perfect match for the sandbar. This is for experienced surfers only—it's too big for beginners. The long period means the waves will have good shape, with longer gaps between sets.
Tuesday and Wednesday the 25th and 26th go back to onshore wind and poor conditions. A few days of nothing follow.
The next window opens on Wednesday afternoon, the 2nd of September. The swell is 7ft from the S, period 13 seconds, with a cross-offshore breeze and 1245 energy. Looks very good.
And Thursday morning, the 3rd of September, is another glassy winner with 6ft of S swell, 12-second period, and 1091 energy. Very clean.
So, the best bets are Monday the 24th for the advanced crew, and Thursday the 3rd of September for a slightly smaller but still glassy session. The rest is either flat or blown out.
Rusty.
Short Range ForecastSome drizzle, heaviest during Wed afternoon. Warm (max 25°C on Thu afternoon, min 13°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 15°C on Sun morning, min 11°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | |||||||||||||||
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) | SE 12 | S 9 | S 7 | S 9 | S 9 | S 8 | SSW 7 | S 8 | S 9 | S 9 | S 8 | S 8 | S 10 | S 13 | S 12 | S 13 | S 14 | S 13 | S 12 | S 12 | S 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 6 | 1 | 24 | 106 | 71 | 33 | 173 | 407 | 1044 | 593 | 432 | 265 | 522 | 903 | 1850 | 2507 | 2280 | 1491 | 855 | 636 | 322 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | glassy | on | on | cross-off | off | cross-off | off | off | cross-off | glassy | off | cross-off | off | glassy | cross-on | cross-on | on | on | cross-on |
High Tide | 11:54AM0.32m | 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 | 9:36AM0.29m | 12:35PM0.29m | 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 | — | — | 6:41 | — | — | 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 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 2 |
Temp °C | 23 | 21 | 19 | 23 | 25 | 21 | 20 | 19 | 14 | 14 | 14 | 13 | 15 | 14 | 13 | 15 | 14 | 14 | 15 | 16 | 16 |
Feels °C | 23 | 22 | 21 | 22 | 24 | 21 | 16 | 15 | 9 | 11 | 11 | 11 | 12 | 10 | 9 | 13 | 11 | 11 | 12 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | S 9 | S 9 | ENE 7 | S 7 | ENE 7 | ENE 8 | S 9 | S 8 | S 8 | S 10 | S 13 | S 12 | S 13 | S 14 | S 13 | S 12 | S 12 | S 12 |
| kJ | 165 | 119 | 102 | 106 | 71 | 99 | 89 | 37 | 50 | 471 | 338 | 265 | 522 | 903 | 1850 | 2507 | 2280 | 1491 | 855 | 636 | 322 |
Swell 2 Height (m) Direction Period (s) | S 9 | S 9 | S 7 | SE 12 | SE 12 | SE 11 | ENE 7 | E 11 | — | ENE 8 | ENE 9 | S 11 | NE 8 | NE 8 | ENE 7 | ENE 7 | ENE 7 | NE 7 | — | — | — |
| kJ | 2 | 1 | 24 | 6 | 6 | 5 | 54 | 2 | — | 62 | 67 | 90 | 16 | 15 | 5 | 5 | 5 | 2 | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 12 | S 7 | S 10 | — | — | S 15 | E 11 | — | — | — | — | ENE 8 | NE 8 | — | — | — | — | — | — | — | — |
| kJ | 6 | 1 | 18 | — | — | 4 | 2 | — | — | — | — | 47 | 16 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 3 | SSW 3 | — | ENE 8 | NE 7 | S 8 | SSW 7 | S 8 | S 9 | S 9 | S 8 | — | — | — | — | — | — | — | NE 3 | NE 5 | NE 6 |
| kJ | 1 | 2 | — | 110 | 160 | 33 | 173 | 407 | 1044 | 593 | 432 | — | — | — | — | — | — | — | 7 | 47 | 103 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 4 | 4 | 4 | 2 | 5 | 17 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 6 | 2 | 6 | 2 | 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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