Surf Forecasts:
Ferrugem surf forecast from 18 Jul 2026:
- Best quality surf: Monday 20 Jul, 9PM (local time) - 6ft (1.8m), 8s period, NE swell with cross-offshore winds.
- Most powerful swell: Saturday 18 Jul, 3AM (local time) - 7ft (2.2m), 8s period, NE swell with 650 kJ wave energy.
- Next surfable swell (1★+): Monday 20 Jul, 9PM (local time) - 6ft (1.8m), 8s period with NE 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 Monday (Jul 20) at 9PM. The primary swell is predicted to be 1.8m and 8s period with a secondary swell of 1.5m and 8s. Another secondary swell of 0.2m and 11s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Ferrugem in the next 16 days are 2.2m 8s and forecast to arrive on Saturday (Jul 18) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Monday (Jul 20) at 12AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Mon 20th Jul) | 6ft (1.8m) 8s |
| Best Surf | 9PM (Mon 20th Jul) | 6ft (1.8m) 8s |
| Most Powerful | 3AM (Sat 18th Jul) | 7ft (2.2m) 8s |
Table - best surf conditions forecast for Ferrugem over the next 16 days.
The Lowdown
Alright, Rusty here again, switching to feet and degrees for you.
So, for Ferrugem, the first few days are a bit of a grind. That NE windswell is running, but it’s short-period stuff. Friday the 17th has a 6ft NE swell, but the water is a chilly 60°, which is 5° colder than usual. The energy is moderate on the charts, but the cross-off wind is just making it messy. Same story through Saturday and Sunday – head-high waves, but the wind is a constant cross-off, so it’s a lot of work for not much payoff.
Monday the 20th is your bright spot in the first week. You’ve got a 7ft NE swell early with a light offshore wind from the NW. That’s the key. The energy is solid (853), and the forecast is calling for very good surf. Get out there early before the wind swings.
The rest of the week is a bit on and off. Tuesday the 21st gets glassy in the afternoon, but it’s a small 4ft swell. Wednesday the 22nd is glassy too, but it’s even smaller. The real highlight is a long way out. On the 30th of July, Thursday afternoon, a 7ft S swell with a 11-second period hits. The wind is glassy, and it’s rated excellent for experienced surfers. The energy is strong (1062), and with that long period, it’s a proper groundswell. That’s the session to circle on the calendar.
The first of August fades out into small, choppy waves. Just hang on for that Thursday.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Mon morning, min 18°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 38mm), heaviest during Tue night. Warm (max 24°C on Mon night, min 18°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||
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) | NE 8 | NE 8 | ENE 8 | NE 8 | NE 8 | ENE 8 | ENE 8 | NE 8 | NE 8 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | S 9 | S 9 | SSE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 588 | 604 | 390 | 530 | 447 | 278 | 331 | 555 | 555 | 297 | 223 | 181 | 157 | 119 | 116 | 137 | 439 | 529 | 339 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross | cross-on | cross | cross | glassy | glassy | cross | cross-on | on |
High Tide | 3:01AM0.66m | 4:10PM0.48m | 9:45PM0.42m | 3:44AM0.65m | 4:34PM0.48m | 10:51PM0.37m | 4:30AM0.61m | 5:03PM0.49m | 11:38PM0.34m | 5:20AM0.55m | 5:36PM0.48m | 00:06AM0.32m | 6:20AM0.48m | 12:23PM0.43m | 6:14PM0.46m | 7:50AM0.43m | 12:58PM0.49m | 7:05PM0.43m | |
Low Tide | 11:08PM0.42m | 11:25AM0.07m | 7:14PM0.38m | 12:07PM0.16m | 8:06PM0.32m | 9:37AM0.29m | 12:54PM0.25m | 8:55PM0.29m | 9:28AM0.34m | 1:52PM0.33m | 9:43PM0.28m | 9:39AM0.38m | 3:06PM0.38m | 10:32PM0.29m | 3:17AM0.26m | 4:35PM0.40m | 11:47PM0.32m | ||
 |  | | | | |  |  | |  |  | |  |  |  |  | |  | | |
 | — | 7:03 | — | — | 7:03 | — | — | 7:03 | — | — | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — |
 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — | — | 5:38 | — | — | 5:39 | — |
mm | — | — | — | — | — | — | — | — | — | 1 | — | — | 16 | 17 | 1 | 2 | — | 1 | 4 |
Temp °C | 18 | 25 | 25 | 20 | 26 | 26 | 21 | 27 | 27 | 24 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 19 | 18 |
Feels °C | 15 | 22 | 22 | 18 | 23 | 23 | 19 | 25 | 25 | 23 | 20 | 20 | 21 | 22 | 21 | 19 | 18 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ESE 10 | ENE 8 | ENE 8 | SSE 13 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | SSE 9 | SSE 8 | SSE 8 |
| kJ | 379 | 361 | 9 | 302 | 274 | 17 | 331 | 323 | 343 | 297 | 223 | 181 | 157 | 119 | 116 | 128 | 264 | 385 | 339 |
Swell 2 Height (m) Direction Period (s) | SE 10 | ESE 10 | SSE 16 | SSE 15 | SSE 13 | — | S 12 | S 12 | S 11 | S 11 | S 10 | S 10 | S 9 | S 8 | S 8 | S 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 27 | 9 | 26 | 21 | 17 | — | 11 | 11 | 10 | 9 | 8 | 48 | 78 | 86 | 86 | 137 | 101 | 101 | 80 |
Swell 3 Height (m) Direction Period (s) | SSE 15 | SSE 13 | S 13 | SE 9 | S 8 | — | — | — | — | — | — | — | — | S 14 | SSE 10 | N 5 | — | — | SSE 12 |
| kJ | 21 | 17 | 3 | 3 | 1 | — | — | — | — | — | — | — | — | 4 | 20 | 20 | — | — | 27 |
Wind waves Height (m) Direction Period (s) | NE 8 | NE 8 | ENE 8 | NE 8 | NE 8 | ENE 8 | N 5 | NE 8 | NE 8 | — | — | — | — | — | NNE 3 | — | S 9 | S 9 | — |
| kJ | 588 | 604 | 390 | 530 | 447 | 278 | 52 | 555 | 555 | — | — | — | — | — | 3 | — | 439 | 529 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 8 | 57 | 41 | 8 | 41 | 0 | 184 | 35 | 0 | 31 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 8 |
Best forecast wave conditions in Santa Catarina - Sul | |||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||
Header Global | |||||||||||||||||||
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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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