Surf Forecasts:
Ribanceira surf forecast from 14 Aug 2026:
- Best quality surf: Thursday 20 Aug, 6AM (local time) - 3.5ft (1.0m), 7s period, S swell with offshore winds.
- Most powerful swell: Friday 14 Aug, 3PM (local time) - 7ft (2.2m), 13s period, SSE swell with 1,605 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 6AM (local time) - 3.5ft (1.0m), 7s 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 Thursday (Aug 20) at 6AM. The primary swell is predicted to be 1.0m and 7s period with a secondary swell of 0.1m and 12s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Ribanceira in the next 16 days are 2.2m 13s and forecast to arrive on Friday (Aug 14) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 8s period and expected on Saturday (Aug 15) at 9PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Thu 20th Aug) | 3.5ft (1.0m) 7s |
| Best Surf | 6AM (Thu 20th Aug) | 3.5ft (1.0m) 7s |
| Most Powerful | 3PM (Fri 14th Aug) | 7ft (2.2m) 13s |
Table - best surf conditions forecast for Ribanceira over the next 16 days.
The Lowdown
Alright, surfers, let’s have a look at the next couple of weeks. I’m looking at Ribanceira, a sandbar set-up that’s fairly consistent but picks up swell best from the south.
Right now, the ocean is working, but it’s a bit of a messy start. Friday the 14th has some size, with a solid 6ft swell coming from the SSE, and a 13-second period, so there’s some real energy behind it (combined energy of 1375, which is strong). But the wind is on it from the east, making for a cross-on breeze. It’s not totally ruined, but it’s not gonna be the cleanest session. Saturday and Sunday take a real dive, with the swell dropping and the wind cranking onshore. There’s a big gap of poor conditions stretching from Saturday the 15th all through to Thursday the 22nd. Not much worth paddling out for in that stretch at all.
Now, hold on. There’s some light at the end of the tunnel. The first real standout shows up on Monday the 24th. We’ve got a building S swell pushing 5ft in the morning, with a long 12-second period. That groundswell will wrap into Ribanceira nicely, and the kicker? Offshore wind from the SW in the morning, dropping to a slight air by the afternoon (combined energy of 716 and 600 – that’s moderate to strong energy). This is the best clean surf on the whole forecast. Not a monster, but absolutely rideable, and the conditions will be clean. The water is sitting at 66°, which is typical for this time of year. No major temperature weirdness.
Tuesday the 25th also looks fun – early glassy conditions, a clean 3ft S swell (11-second period), and that calm vibe. It’s a bit smaller, but it could be a really pleasant morning session.
After that, we dip back into ordinary waves with some cross-off winds through the end of the month, nothing to get too excited about.
So the call is simple: this is a two-week block with a big lull right in the middle. Your best bet is to target Monday the 24th and Tuesday the 25th at Ribanceira. Good S swell, clean, and glassy. That’s the window to make the most of.
Rusty.
Short Range ForecastHeavy rain (total 47mm), heaviest during Fri night. Warm (max 20°C on Sun morning, min 16°C on Fri morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 31°C on Tue morning, min 18°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | |||||||||||||||
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) | SSE 13 | SSE 13 | S 12 | SSE 12 | S 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | S 10 | SSE 10 | SSE 11 | S 10 | S 10 | S 9 | S 8 | S 7 | SSE 8 | S 5 | SSW 7 | S 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1249 | 1605 | 870 | 541 | 351 | 191 | 141 | 108 | 80 | 51 | 19 | 22 | 8 | 17 | 6 | 29 | 69 | 60 | 45 | 73 | 103 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | cross-on | cross-on | on | cross-on | cross-on | on | cross-on | cross-on | glassy | glassy | cross-on | on | glassy | on | cross-off | glassy |
High Tide | 3:44PM0.64m | 3:30AM0.69m | 4:05PM0.61m | 4:01AM0.67m | 4:29PM0.58m | 4:36AM0.63m | 4:56PM0.54m | 5:22AM0.56m | 5:34PM0.49m | 00:07AM0.22m | 6:24AM0.50m | 6:24PM0.45m | 7:19AM0.45m | 12:30PM0.36m | 7:12PM0.42m | ||||||
Low Tide | 9:05AM-0.03m | 9:16PM0.18m | 9:35AM0.03m | 9:37PM0.18m | 10:07AM0.10m | 9:54PM0.19m | 10:53AM0.18m | 9:49PM0.20m | 11:51AM0.24m | 9:43PM0.20m | 9:36AM0.29m | 12:35PM0.29m | 10:01PM0.21m | 9:36AM0.32m | 3:01PM0.32m | ||||||
 |  |  | | |  |  | |  |  | |  | | | | |  | | | | | |
 | 6:47 | — | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — | — | 6:43 | — | — | 6:41 | — | — | 6:41 | — | — |
 | — | 5:51 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:53 | — | — | 5:53 | — |
mm | 4 | 7 | 27 | 4 | 2 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 17 | 18 | 18 | 18 | 20 | 20 | 19 | 24 | 24 | 19 | 31 | 28 | 20 | 31 | 31 | 24 | 18 | 17 | 16 |
Feels °C | 16 | 17 | 16 | 18 | 18 | 17 | 19 | 18 | 17 | 22 | 23 | 19 | 31 | 31 | 22 | 30 | 30 | 24 | 18 | 16 | 16 |
Swell 1 Height (m) Direction Period (s) | SSE 13 | SSE 13 | S 12 | SSE 12 | ESE 8 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | ENE 9 | ENE 9 | S 10 | ENE 9 | ENE 8 | S 7 | SSE 8 | ENE 7 | ENE 7 | ENE 8 |
| kJ | 1249 | 1605 | 870 | 541 | 204 | 191 | 141 | 108 | 80 | 33 | 19 | 604 | 486 | 7 | 311 | 223 | 69 | 60 | 147 | 147 | 163 |
Swell 2 Height (m) Direction Period (s) | ESE 7 | — | — | — | S 11 | — | E 14 | E 13 | — | S 10 | SE 8 | SSE 11 | S 10 | S 10 | S 9 | S 8 | SE 13 | SE 13 | S 5 | SSW 7 | S 7 |
| kJ | 210 | — | — | — | 351 | — | 14 | 14 | — | 51 | 3 | 22 | 8 | 17 | 6 | 29 | 7 | 7 | 45 | 73 | 103 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 13 | SE 12 | — | — | SE 7 | SE 12 | ESE 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 6 | — | — | 22 | 6 | 2 |
Wind waves Height (m) Direction Period (s) | — | E 7 | E 7 | E 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 9 | — | ENE 9 | — | — | ENE 8 | NE 8 | — | SE 6 | — |
| kJ | — | 152 | 341 | 321 | 204 | 636 | 439 | 480 | 583 | 601 | 698 | 798 | — | 465 | — | — | 248 | 215 | — | 30 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 5 | 5 | 5 | 5 | 5 | 18 | 18 | 5 | 290 | 18 | 5 | 53 | 18 | 4 | 4 | 5 | 5 | 4 | 5 | 0 | 0 |
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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