Ribanceira Surf Break

Lat Long: 28.19° S 48.66° W

Ribanceira Surf Forecast and Surf Report

Issued: 2 pm 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Ribanceira sea temperature is
18.8° C
0.3° 

Ribanceira surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Ribanceira surf forecast from 12 Aug 2026:

  • Best quality surf: Thursday 13 Aug, 3AM (local time) - 5ft (1.5m), 12s period, S swell with cross-offshore winds.
  • Most powerful swell: Thursday 13 Aug, 9PM (local time) - 7ft (2.2m), 13s period, S swell with 1,631 kJ wave energy.
  • Next surfable swell (1★+): Thursday 13 Aug, 3AM (local time) - 5ft (1.5m), 12s 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 13) at 3AM. The primary swell is predicted to be 1.5m and 12s period with a secondary swell of 1.1m and 15s. Another secondary swell of 0.9m and 5s is also forecast. 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 2.2m 13s and forecast to arrive on Thursday (Aug 13) at 9PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.4m 9s period and expected on Monday (Aug 17) at 6PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Thu 13th Aug)5ft (1.5m) 12s
Best Surf 3AM (Thu 13th Aug)5ft (1.5m) 12s
Most Powerful 9PM (Thu 13th Aug)7ft (2.2m) 13s

Table - best surf conditions forecast for Ribanceira over the next 16 days.


The Lowdown

G'day, Rusty here, and let's get straight into it. The next couple of weeks around Ribanceira are a bit of a mixed bag, but there are some absolute gems hiding in there if you're patient.

The first real swell kicks in on Thursday, the 13th of August. The Thursday morning session is looking like a solid standout. We've got a 7ft S swell running with a long 14 second period, and the wind is glassy out of the SW. That's going to make for some clean, lined-up waves at the sandbar. The water temp is sitting at 66°, which is about average for this time of year, so nothing unusual there. The combined energy is strong, sitting at 1576, meaning there's plenty of push. This is the pick of the early window.

The session rolls into Thursday afternoon with the wind shifting to a clean offshore from the SSW at 15 km/h, still holding that 7ft S swell, period dropping slightly to 13 seconds, but still quality. The energy is still high at 1440. This is a full day of great surf.

After that, things get a bit messy. Friday the 14th has cross-onshore winds and a drop in quality, and the weekend into the start of the following week is a write-off with poor conditions and onshore winds. There's a solid lull from Friday afternoon through to the morning of Saturday the 22nd of August.

Now, for the next standout. On Saturday morning, the 22nd of August, we get a return of decent surf. The swell is 6ft from the SSW with a 10 second period, but the wind is glassy again. The combined energy is moderate at 947. It's not the biggest, but the clean conditions will make it fun. Keep in mind the swell is shorter period, so it might be a bit more sectiony at the sandbar, but still a good morning out.

Then, the real big one comes through on Sunday the 23rd of August, but it's a tricky one. The morning shows a 10ft S swell with a 12 second period, and the combined energy is massive at 4809. That's a lot of water moving. However, it's cross-onshore at 12 mph from the NNE, making it choppy and messy. This is only for expert surfers, and honestly, the wind is going to ruin it. This setup looks more interesting for kite surfing than paddle surfing, to be honest.

The final standout is Tuesday the 25th of August. The morning session has a 7ft S swell with a long 13 second period, and the wind is clean offshore from the SSW at 9 mph. The energy is very strong at 1585. The afternoon continues with the same 7ft swell and a steady offshore wind at 16 mph, keeping it clean. This is a solid day for intermediate to advanced surfers, and the long period will give some nice, organised lines. The sandbar might get a bit straight with that long period, but the offshore wind will hold it up.

So, to wrap it up: Thursday the 13th is your best early bet, and Tuesday the 25th is the other clear winner. The rest of the time is either flat, windy, or messy. Get out there when the wind is right.

Rusty.

Short Range Forecast

Heavy rain (total 68mm), heaviest during Fri night. Very mild (max 18°C on Thu afternoon, min 15°C on Wed afternoon). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 5mm), mostly falling on Sun morning. Warm (max 25°C on Mon morning, min 15°C on Mon night). Wind will be generally light.

Wed
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
3
3
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.8
SSE
12
1.8
SSE
12
2
S
14
2
S
13
1.5
S
13
1.8
SSE
13
2.1
SSE
13
1.6
S
12
1.3
S
12
2.1
E
8
1.9
E
8
1.7
E
8
0.7
SSE
10
0.5
S
10
0.4
SSE
10
0.3
SSE
10
0.3
S
11
0.3
S
10
0.2
S
10
0.7
S
7
Wave Graph
Metric surfscale
Energy kJ
976
992
1576
1440
713
1127
1430
773
456
569
488
401
110
53
34
21
20
17
7
52
Wind (km/h)
15
NNE
10
N
5
WSW
15
SSW
5
SE
10
E
15
ENE
25
ENE
10
NNE
20
NNE
20
NNE
25
NNE
15
NNE
25
NNE
25
NNE
10
ENE
25
SW
25
SSW
20
SSW
0
N
Wind State
cross-on
cross-on
glassy
off
cross
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
on
cross-on
cross-on
on
off
off
off
glassy
High Tide
3:06PM0.65m
2:24AM0.64m
3:24PM0.65m
2:58AM0.68m
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
Low Tide
8:27PM0.16m
8:34AM-0.06m
8:52PM0.17m
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
light rain
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light rain
light rain
heavy rain
mod rain
mod rain
heavy rain
rain showers
cloud
rain showers
rain showers
light rain
part cloud
part cloud
part cloud
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cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:47
6:46
6:45
6:43
6:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:50
5:51
5:51
5:52
5:52
5:52
5:52
 mm
2
1
4
3
13
8
7
27
3
1
3
1
Temp °C
15
16
17
18
17
17
18
18
18
19
19
20
19
19
25
24
19
15
15
14
Feels °C
14
16
18
18
18
17
18
16
18
19
18
20
19
17
25
26
19
12
12
13
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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