Surf Forecasts:
Praia do Porto surf forecast from 7 Sep 2026:
- Best quality surf: Saturday 12 Sep, 3PM (local time) - 11ft (3.5m), 10s period, SSW swell with offshore winds.
- Most powerful swell: Sunday 13 Sep, 12AM (local time) - 13ft (4.0m), 13s period, S swell with 5,153 kJ wave energy.
- Next surfable swell (1★+): Monday 7 Sep, 9AM (local time) - 5.5ft (1.7m), 10s period with S swell.
Best Forecast Surf Conditions for Praia do Porto this week:
The surf forecast for Praia do Porto over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 07) at 9AM. The primary swell is predicted to be 1.7m and 10s period with a secondary swell of 0.2m and 8s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Praia do Porto in the next 16 days are 4.0m 13s and forecast to arrive on Sunday (Sep 13) at 12AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Saturday (Sep 12) at 9AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Mon 7th Sep) | 5.5ft (1.7m) 10s |
| Best Surf | 3PM (Sat 12th Sep) | 11ft (3.5m) 10s |
| Most Powerful | 12AM (Sun 13th Sep) | 13ft (4.0m) 13s |
Table - best surf conditions forecast for Praia do Porto over the next 16 days.
The Lowdown
Alright, let’s talk Praia do Porto in proper units. The first session worth getting wet for is Monday morning, 7th September. We’ve got a clean 6ft swell from the south, with a 10-second period—solid groundswell. The water’s 65°, about average for this time of year. A light offshore breeze from the WSW is keeping it clean, and the combined energy is 551 (moderate). It’s not huge, but it’s fun for a beginner-plus spot. Crowds can be around sometimes.
The real standout is Saturday morning, 12th September. A fresh offshore from the SW at 22 mph cleans up a 12ft SSW swell. The energy is massive—2342 (very strong)—but this is only for experts. Over 8ft, it’s serious. The period is 10 seconds, so it’s a solid swell, but powerful.
Sunday morning, 13th September, is another for the experienced crew. A 10ft SSE swell with a 12-second period, light offshore wind from the SW, and the energy is 2856 (very strong). Clean, powerful, and a proper groundswell.
Looking further out, Tuesday morning, 15th September, offers a gentler session. A 5ft SE swell, 11-second period, with a light offshore from the SW. The energy is 838 (moderate), and it’s clean. Good for a solid session.
Wednesday morning, 16th September, is a standout for the confident intermediate. A 7ft S swell, 9-second period, light offshore again, and the energy is 1344 (strong). Clean, punchy, and well-shaped.
Thursday afternoon, 17th September, is another cracker. A 7ft S swell, 13-second period, light cross-offshore breeze, and the energy is 1360 (strong). Excellent for experienced surfers—long period, clean, and plenty of push.
There’s a gap from the 18th onwards where conditions get messy. Onshore winds, rain, and shorter period swells. The 20th sees a brief improvement—Sunday afternoon with a 6ft ENE swell, 7-second period, cross-offshore wind, but the short period makes it less appealing. The 22nd offers a couple of decent windows: Tuesday morning has a 6ft ENE swell, 8-second period, with light cross-offshore winds, and Tuesday afternoon has the same swell with a light offshore from the WSW. Both are clean and worth a look.
Best windows are the 12th and 13th for the big stuff, and the 15th through 17th for cleaner, more manageable waves. After that, it’s a waiting game.
Rusty
Short Range ForecastSome drizzle, heaviest during Wed night. Warm (max 20°C on Tue morning, min 11°C on Mon morning). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 19mm), heaviest on Fri night. Warm (max 20°C on Thu afternoon, min 13°C on Sat night). Winds increasing (calm on Thu night, fresh winds from the SSW by Sat afternoon). | ||||||||||||||||||||
Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | |||||||||||||||
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 10 | S 10 | SSE 10 | SSE 10 | S 9 | SSE 10 | ENE 8 | S 12 | ENE 8 | S 12 | S 15 | S 13 | S 12 | NE 8 | ENE 8 | ENE 8 | SSW 10 | S 13 | SSE 12 | SSE 12 | SSE 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 546 | 573 | 463 | 328 | 180 | 158 | 250 | 353 | 262 | 229 | 510 | 335 | 136 | 274 | 212 | 161 | 2261 | 5153 | 2808 | 2493 | 1635 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-on | cross-on | cross-on | on | cross-on | glassy | cross-on | glassy | cross-on | cross-on | glassy | on | on | cross | off | off | off | off | cross-on | on |
High Tide | 1:51PM0.57m | 11:51PM0.48m | 2:05PM0.60m | 00:29AM0.55m | 2:15PM0.61m | 1:13AM0.61m | 2:30PM0.62m | 1:59AM0.66m | 2:48PM0.62m | 2:37AM0.68m | 3:07PM0.62m | 3:10AM0.68m | 3:28PM0.60m | ||||||||
Low Tide | 6:13PM0.20m | 6:09AM-0.02m | 6:53PM0.17m | 6:56AM-0.05m | 7:27PM0.15m | 7:37AM-0.06m | 7:56PM0.12m | 8:10AM-0.05m | 8:21PM0.10m | 8:39AM-0.01m | 8:44PM0.09m | 9:05AM0.05m | 9:02PM0.09m | ||||||||
 | |  | |  | | | |  |  | |  | |  | | | |  | | |  | |
 | 6:22 | — | — | 6:20 | — | — | 6:20 | — | — | 6:18 | — | — | 6:16 | — | — | 6:16 | — | — | 6:15 | — | — |
 | — | 6:02 | — | — | 6:04 | — | — | 6:04 | — | — | 6:04 | — | — | 6:05 | — | — | 6:05 | — | — | 6:06 | — |
mm | — | — | — | — | — | — | — | — | 1 | 3 | 1 | 2 | 2 | 4 | 7 | — | — | — | 1 | 1 | 10 |
Temp °C | 13 | 14 | 13 | 20 | 20 | 17 | 20 | 20 | 17 | 18 | 20 | 19 | 20 | 20 | 19 | 17 | 17 | 15 | 15 | 16 | 15 |
Feels °C | 10 | 12 | 10 | 17 | 16 | 16 | 20 | 20 | 18 | 19 | 20 | 20 | 19 | 18 | 18 | 10 | 11 | 10 | 13 | 13 | 11 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | SSE 10 | SSE 10 | S 9 | ENE 6 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | S 11 | ENE 8 | ENE 8 | ENE 8 | S 13 | SSE 12 | SSE 12 | SSE 11 |
| kJ | 546 | 573 | 463 | 328 | 180 | 58 | 246 | 353 | 262 | 206 | 206 | 163 | 134 | 90 | 212 | 161 | 78 | 3765 | 2808 | 2493 | 1635 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 6 | SE 12 | SSE 10 | S 10 | S 12 | S 10 | S 12 | S 15 | S 13 | S 12 | E 13 | S 11 | E 12 | E 12 | ENE 8 | E 9 | ENE 9 | ENE 8 |
| kJ | 5 | 5 | 11 | 31 | 68 | 158 | 250 | 330 | 90 | 229 | 510 | 335 | 136 | 14 | 57 | 11 | 3 | 23 | 41 | 46 | 41 |
Swell 3 Height (m) Direction Period (s) | — | — | ENE 8 | ENE 7 | S 16 | S 9 | SSE 10 | SE 9 | S 12 | SSE 16 | SE 8 | E 14 | E 13 | — | E 12 | — | — | — | E 9 | E 9 | ENE 8 |
| kJ | — | — | 12 | 5 | 5 | 42 | 65 | 22 | 146 | 138 | 3 | 4 | 13 | — | 12 | — | — | — | 7 | 2 | 48 |
Wind waves Height (m) Direction Period (s) | — | — | NNE 3 | — | ENE 6 | N 4 | — | — | — | NNE 4 | — | N 4 | NNE 3 | NE 8 | N 4 | SSW 4 | SSW 10 | S 13 | — | — | — |
| kJ | — | — | 1 | — | 69 | 4 | — | — | — | 7 | — | 9 | 7 | 274 | 28 | 50 | 2261 | 5153 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 2 | 2 | 2 | 2 | 2 | 0 | 2 | 0 | 2 | 14 | 0 | 2 | 170 | 11 | 96 | 90 | 2 | 0 | 2 | 2 |
Best forecast wave conditions in Santa Catarina - Sul | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
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Information about the Praia do Porto Surf forecast
The above surf forecast table for Praia do Porto provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Praia do Porto can be found by selecting the local surf guide option on the grey menu. Our Praia do Porto 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 (Praia do Porto) 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 Praia do Porto 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.
Praia do Porto is 2 km (1 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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