
Surf Forecasts:
Rosa surf forecast from 8 Jul 2026:
- Best quality surf: Tuesday 14 Jul, 12AM (local time) - 8ft (2.5m), 9s period, S swell with cross-offshore winds.
- Most powerful swell: Tuesday 14 Jul, 12AM (local time) - 8ft (2.5m), 9s period, S swell with 1,009 kJ wave energy.
- Next surfable swell (1★+): Wednesday 8 Jul, 9AM (local time) - 4ft (1.2m), 9s period with S swell.
Best Forecast Surf Conditions for Rosa this week:
The surf forecast for Rosa over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 08) at 9AM. The primary swell is predicted to be 1.2m and 9s period with a secondary swell of 0.8m and 9s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Rosa in the next 16 days are 2.5m 9s and forecast to arrive on Tuesday (Jul 14) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 6s period and expected on Saturday (Jul 11) at 12AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Wed 8th Jul) | 4ft (1.2m) 9s |
| Best Surf | 12AM (Tue 14th Jul) | 8ft (2.5m) 9s |
| Most Powerful | 12AM (Tue 14th Jul) | 8ft (2.5m) 9s |
Table - best surf conditions forecast for Rosa over the next 16 days.
Alright folks, Rusty here. Let's have a look at what Rosa is serving up over the next couple of weeks. We've got a bit of a tricky start, but there are some proper sessions on the horizon if you're patient.
The water at Rosa is running at 60° right now, which is a whole 7° colder than it should be for this time of year – that's a proper chill, so a thicker wetsuit is a must.
We're starting off on Wednesday morning the 8th with a clean, glassy 4ft S swell at 9 seconds. The energy is moderate (361), and conditions are looking nice for a surf. However, the afternoon goes a bit pear-shaped with a cross-onshore wind messing things up. Thursday the 9th is a write-off. Friday the 10th morning offers a glimmer of hope with a clean 4ft ESE swell, but the period is long at 11 seconds, which means those waves will have some punch and longer waits between sets.
The real standout for the first week is Saturday morning, July 11th. We're looking at a glassy 5ft ESE groundswell with a juicy 13-second period. The combined energy is strong (738), and with the wind dead calm, Rosa will be absolutely pristine. This is the session to circle on the calendar – the surf quality looks excellent.
Sunday the 12th afternoon is another good shout, with a glassy 5ft SSE swell at 12 seconds, though the energy is still strong (787). The period is still long, so expect those spaced-out, powerful lines. Monday the 13th picks up a bit of size, pushing 6-6ft S swell, but the period drops to a short 8 seconds, making it a bit bumpy and less organized. The cross-shore wind on Monday afternoon won't help.
After a glassy Tuesday morning on the 14th with a 5ft S swell, we hit a dry patch. The wind turns onshore and choppy from Wednesday the 15th right through to Saturday the 19th. There are some clean moments, like Friday afternoon the 17th with a glassy 5ft SE groundswell at 13 seconds (strong 862 energy), but the rest of that week is mostly marginal or poor.
We then get a pulse of ENE windswell from Sunday the 19th onward, building to a solid 7ft by Tuesday the 21st. The period is a short 8 seconds though, and with a cross-onshore wind, it'll be a choppy, lumpy mess. That size, over 7ft, is really only for the experienced crew anyway, and the poor conditions make it a kite-surfing affair more than a paddle session.
The final glimmer comes on Wednesday afternoon, July 22nd. After a poor morning, the wind goes glassy and we get a clean 5ft ENE swell at 8 seconds. It's a short-period windswell, so it won't have the same grunt as a groundswell, but it will be clean and rideable. After that, Thursday the 23rd looks poor again.
So to sum it up: Saturday morning the 11th is your absolute best bet for Rosa – glassy, strong, long-period swell. Friday the 17th afternoon is another one for the calendar, but it's a longer-range call so keep an eye on it. For the rest, pick your windows carefully.
Rusty.
Short Range ForecastSome drizzle, heaviest during Fri afternoon. Warm (max 21°C on Thu afternoon, min 11°C on Wed morning). Wind will be generally light. | Days 4-6 Weather SummarySome drizzle, heaviest during Sat night. Warm (max 23°C on Sun morning, min 11°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | |||||||||||||||
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) | S 9 | S 11 | SSW 10 | ESE 10 | ESE 10 | ESE 10 | ESE 11 | ESE 11 | ESE 14 | ESE 13 | ESE 13 | ESE 13 | SSE 12 | SSE 12 | S 8 | S 8 | S 8 | S 9 | S 9 | S 9 | S 9 |
Wave Graph | |||||||||||||||||||||
220 | 291 | 163 | 149 | 114 | 155 | 319 | 265 | 743 | 690 | 606 | 408 | 511 | 488 | 254 | 412 | 501 | 1009 | 335 | 247 | 246 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-off | cross | cross-on | cross-off | cross-off | cross-off | off | glassy | cross-on | cross | cross | glassy | cross-off | cross-off | cross | cross-off | glassy | on | cross |
High Tide | 11:51PM0.44m | 12:03PM0.53m | 00:34AM0.43m | 1:01PM0.62m | 1:06AM0.40m | 1:54PM0.70m | 1:09AM0.38m | 2:46PM0.74m | 00:29AM0.40m | 3:38PM0.74m | 00:41AM0.45m | 4:35PM0.70m | 1:08AM0.52m | ||||||||
Low Tide | 3:43PM0.22m | 4:08AM0.25m | 5:08PM0.24m | 5:09AM0.20m | 6:32PM0.25m | 6:06AM0.13m | 7:41PM0.25m | 6:59AM0.06m | 8:33PM0.28m | 7:47AM-0.00m | 9:13PM0.32m | 8:34AM-0.04m | 9:46PM0.37m | ||||||||
7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | |
— | 5:31 | — | — | 5:32 | — | — | 5:32 | — | — | 5:34 | — | — | 5:34 | — | — | 5:35 | — | — | 5:35 | — | |
mm | — | — | — | — | — | — | — | 1 | — | — | — | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 17 | 14 | 20 | 21 | 15 | 18 | 16 | 15 | 17 | 17 | 16 | 23 | 22 | 16 | 17 | 17 | 13 | 15 | 15 | 13 |
Feels °C | 13 | 14 | 12 | 16 | 18 | 13 | 15 | 13 | 14 | 17 | 16 | 15 | 25 | 24 | 13 | 13 | 13 | 11 | 14 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 11 | SSW 10 | ESE 10 | ESE 10 | ESE 10 | ESE 11 | ESE 11 | ESE 14 | ESE 13 | ESE 13 | S 9 | SSE 12 | SSE 12 | SSE 11 | SSE 10 | ESE 11 | S 9 | S 9 | S 9 | S 9 |
220 | 291 | 163 | 149 | 114 | 155 | 319 | 265 | 743 | 690 | 606 | 230 | 511 | 488 | 254 | 176 | 48 | 708 | 335 | 247 | 246 | |
Swell 2 Height (m) Direction Period (s) | ESE 9 | ESE 10 | ESE 10 | SSW 9 | S 8 | NNE 5 | NE 5 | ESE 15 | S 6 | S 6 | SSE 7 | ESE 13 | ESE 13 | NE 6 | SE 12 | SE 12 | S 13 | S 13 | SE 10 | SE 10 | SE 10 |
98 | 125 | 149 | 108 | 51 | 29 | 12 | 172 | 52 | 44 | 144 | 408 | 330 | 46 | 147 | 67 | 32 | 30 | 142 | 139 | 157 | |
Swell 3 Height (m) Direction Period (s) | ESE 11 | — | NNE 3 | S 15 | S 14 | S 8 | SSW 7 | NE 5 | S 14 | S 13 | S 14 | SSE 21 | SSE 19 | ESE 13 | NE 6 | S 14 | NE 6 | NE 6 | NE 6 | NE 7 | NE 6 |
43 | — | 1 | 4 | 4 | 32 | 10 | 6 | 4 | 4 | 14 | 42 | 74 | 253 | 20 | 37 | 1 | 1 | 2 | 2 | 2 | |
Wind waves Height (m) Direction Period (s) | — | — | N 3 | NNE 3 | NNE 4 | N 5 | — | S 4 | S 6 | — | NE 5 | ENE 5 | NE 5 | — | S 8 | S 8 | S 8 | S 9 | — | — | — |
— | — | 1 | 1 | 32 | 71 | — | 6 | 66 | — | 4 | 34 | 47 | — | 248 | 412 | 501 | 1009 | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 2 | 0 | 2 | 12 | 0 | 0 | 11 | 0 | 0 | 2 | 2 | 2 | 0 | 2 | 2 | 24 | 0 | 0 | 2 | 2 |
Best forecast wave conditions in Santa Catarina - Sul | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
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Information about the Rosa Surf forecast
The above surf forecast table for Rosa provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Rosa can be found by selecting the local surf guide option on the grey menu. Our Rosa 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 (Rosa) 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 Rosa 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.
Rosa is 12 km (7 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.










