Surf Forecasts:
Ferrugem surf forecast from 13 Aug 2026:
- Best quality surf: Thursday 13 Aug, 9PM (local time) - 6ft (1.9m), 13s period, SSE swell with glassy winds.
- Most powerful swell: Thursday 13 Aug, 12PM (local time) - 6ft (1.9m), 14s period, SSE swell with 1,344 kJ wave energy.
- Next surfable swell (1★+): Thursday 13 Aug, 9PM (local time) - 6ft (1.9m), 13s period with SSE swell.
Best Forecast Surf Conditions for Ferrugem this week:
The surf forecast for Ferrugem over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 13) at 9PM. The primary swell is predicted to be 1.9m and 13s period with a secondary swell of 0.4m and 6s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Ferrugem in the next 16 days are 1.9m 14s and forecast to arrive on Thursday (Aug 13) at 12PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Sunday (Aug 16) at 9AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Thu 13th Aug) | 6ft (1.9m) 13s |
| Best Surf | 9PM (Thu 13th Aug) | 6ft (1.9m) 13s |
| Most Powerful | 12PM (Thu 13th Aug) | 6ft (1.9m) 14s |
Table - best surf conditions forecast for Ferrugem over the next 16 days.
The Lowdown
Alright, folks, Rusty here. Let’s break down what’s shaping up over the next couple of weeks. First thing’s first – we’ve got to wait a bit. The beginning is a real mix of swell and messy wind, nothing to get the heart pumping right away.
Water temp is about average for the time of year, sitting around 66°, nothing to write home about.
On Thursday the 13th and Friday the 14th, we’ve got a solid 6ft to 6ft groundswell rolling in from the SSE, with a period of 13-14 seconds. That’s a nice, long swell, but the wind is blowing cross or cross-onshore, putting a bit of a chop on the surface. The wave energy on Thursday morning is strong (1460), just not clean enough to get excited.
The first real standout is Saturday the 15th. In the morning, the swell drops to 4ft from the SSE, but the wind swings light and cross-offshore from the north. The combined energy is moderate (764), but that clean setup makes Ferrugem the place to be. It’s a very consistent sandbar, so you’ll get waves. It can get crowded often, so be ready to share.
We hit another sweet spot on Tuesday the 18th of August. The morning swell is 5ft from the ENE, but the wind is absolute glass – dead calm from the WSW. That’s a major win. The energy is lighter (335), but the conditions will be perfect for a long, soulful session.
Looking further out, Saturday the 22nd of August looks promising. Morning brings a 5ft S swell with an 11-second period and, again, glassy conditions. Energy is moderate (511) and it’s looking very good. A long-range tip, not set in stone, but one to keep an eye on.
Now for the big stuff. On the 25th of August, the swell jumps to 10ft from the S – that’s for experts only. The wave energy is very strong (3257). Wind is light and onshore, so it won’t be perfect, but if you’re after size, that’s your day.
Outside of those, the second week is a bit of a wash with smaller, weaker swells and onshore breezes. A few days are just not worth the paddle.
So, the call: skip the first two days. Saturday the 15th and Tuesday the 18th are your cleanest bets for fun, manageable waves. Keep Saturday the 22nd and Monday the 25th in mind for something bigger.
Rusty.
Short Range ForecastHeavy rain (total 64mm), heaviest during Fri night. Very mild (max 19°C on Sat morning, min 17°C on Thu morning). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Sun morning. Warm (max 24°C on Mon morning, min 17°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||
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 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | ENE 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | SSE 7 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1454 | 1161 | 1139 | 968 | 1155 | 742 | 437 | 495 | 291 | 377 | 383 | 627 | 683 | 536 | 446 | 287 | 238 | 206 | 125 | 165 | 71 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | glassy | cross | cross | cross-off | cross | cross-off |
High Tide | 3:20PM0.59m | 1:37AM0.66m | 2:58PM0.55m | 2:13AM0.70m | 3:07PM0.54m | 2:51AM0.70m | 3:26PM0.54m | 3:30AM0.67m | 3:49PM0.55m | 4:12AM0.62m | 4:15PM0.54m | 4:57AM0.55m | 12:02PM0.42m | ||||||||
Low Tide | 9:26PM0.35m | 9:35AM-0.04m | 9:48PM0.34m | 10:10AM0.04m | 10:06PM0.32m | 10:44AM0.13m | 7:53PM0.28m | 11:16AM0.24m | 8:20PM0.22m | 8:42AM0.31m | 8:52PM0.20m | 8:49AM0.34m | 1:09PM0.41m | 9:25PM0.21m | |||||||
 | |  |  |  | | | |  | |  |  |  | |  | | | | |  | | |
 | 6:47 | — | — | 6:47 | — | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — | — | 6:43 | — | — | 6:41 | — | — |
 | — | 5:51 | — | — | 5:51 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:53 | — |
mm | 2 | 3 | 11 | 6 | 14 | 20 | 5 | 2 | 1 | 3 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 17 | 17 | 17 | 18 | 19 | 19 | 18 | 19 | 19 | 19 | 24 | 24 | 20 | 24 | 24 | 19 | 20 | 22 | 18 |
Feels °C | 18 | 17 | 18 | 18 | 17 | 17 | 19 | 19 | 16 | 18 | 18 | 18 | 22 | 23 | 21 | 22 | 22 | 19 | 19 | 21 | 17 |
Swell 1 Height (m) Direction Period (s) | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | ESE 8 | ESE 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | SSE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | SSE 7 | SSE 7 | ENE 8 |
| kJ | 1454 | 1161 | 1139 | 968 | 1155 | 368 | 327 | 368 | 291 | 377 | 383 | 459 | 450 | 21 | 446 | 287 | 238 | 206 | 117 | 125 | 71 |
Swell 2 Height (m) Direction Period (s) | NE 5 | NE 5 | NE 6 | SE 7 | ESE 7 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SE 10 | SSE 11 | SSE 10 | S 10 | S 7 | ENE 8 | SE 13 | ESE 6 |
| kJ | 6 | 7 | 8 | 200 | 265 | 742 | 437 | 263 | 156 | 112 | 83 | 58 | 19 | 4 | 22 | 19 | 7 | 86 | 125 | 7 | 35 |
Swell 3 Height (m) Direction Period (s) | — | — | E 8 | — | — | — | — | E 16 | — | — | E 13 | — | SSE 12 | — | — | — | — | E 14 | E 13 | SE 13 | S 8 |
| kJ | — | — | 1 | — | — | — | — | 5 | — | — | 3 | — | 14 | — | — | — | — | 4 | 3 | 7 | 21 |
Wind waves Height (m) Direction Period (s) | — | — | — | ESE 7 | — | E 8 | — | ENE 8 | NNE 4 | NNE 4 | NNE 4 | ENE 8 | ENE 8 | ENE 9 | — | S 5 | S 6 | S 7 | — | ENE 8 | NE 5 |
| kJ | — | — | — | 270 | — | 566 | — | 495 | 26 | 43 | 29 | 627 | 683 | 536 | — | 29 | 49 | 124 | — | 165 | 31 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1 | 1 | 17 | 8 | 8 | 34 | 0 | 17 | 31 | 41 | 8 | 53 | 99 | 8 | 8 | 0 | 16 | 1 | 0 | 8 | 18 |
Best forecast wave conditions in Santa Catarina - Sul | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
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Information about the Ferrugem Surf forecast
The above surf forecast table for Ferrugem provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Ferrugem can be found by selecting the local surf guide option on the grey menu. Our Ferrugem 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 (Ferrugem) 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 Ferrugem 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.
Ferrugem is 18 km (11 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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