Surf Forecasts:
Barra do Sul surf forecast from 31 Jul 2026:
- Best quality surf: Saturday 1 Aug, 6AM (local time) - 2.5ft (0.8m), 5s period, ENE swell with offshore winds.
- Most powerful swell: Sunday 2 Aug, 6PM (local time) - 3.5ft (1.0m), 7s period, E swell with 112 kJ wave energy.
- Next surfable swell (1★+): Saturday 1 Aug, 6AM (local time) - 2.5ft (0.8m), 5s period with ENE swell.
Best Forecast Surf Conditions for Barra do Sul this week:
The surf forecast for Barra do Sul over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 01) at 6AM. The primary swell is predicted to be 0.8m and 5s period with a secondary swell of 0.6m and 5s. Another secondary swell of 0.2m and 11s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Barra do Sul in the next 16 days are 1.0m 7s and forecast to arrive on Sunday (Aug 02) at 6PM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Sat 1st Aug) | 2.5ft (0.8m) 5s |
| Best Surf | 6AM (Sat 1st Aug) | 2.5ft (0.8m) 5s |
| Most Powerful | 6PM (Sun 2nd Aug) | 3.5ft (1.0m) 7s |
Table - best surf conditions forecast for Barra do Sul over the next 16 days.
The Lowdown
Alright, Rusty here again. Let’s break it down for the imperial crew. Barra do Sul is in a sleepy spell, and the next week and a half is mostly flat, small, and weak.
From Friday, July 31st through Monday, August 10th, the swell is tiny – mostly under 3 feet, with combined energy figures in the teens or low hundreds. That’s a limp ocean. There are a few clean windows with glassy mornings or light offshore breezes, but the waves just aren’t worth paddling out for. The water temp is about normal for this time of year, nothing unusual.
The two sessions to circle are Thursday, August 13th, and Saturday, August 15th, both in the morning. On the 13th, we’ve got 4ft swell from the ENE at 7 seconds, with glassy conditions. The combined energy is 205, which is a solid moderate push. That’s a clean, fun little wave. The 15th is similar: 4ft from the east, 8 seconds, also glassy, with energy at 201. Both are a bit crumbly due to the short period, but the glassy surface will make them feel way better. Intermediate surfers, this is your window.
The rest of the time, the afternoons get choppy with cross-onshore winds, and the swell is too small to care about crowds. Beginners might find a few 3-foot mornings with clean conditions on the 2nd or 3rd, but it’s nothing to write home about.
Bottom line: hold out for the 13th or 15th, and keep your fingers crossed the forecast holds.
Rusty.
Short Range ForecastMostly dry. Warm (max 21°C on Sun morning, min 16°C on Fri morning). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Tue afternoon. Warm (max 23°C on Tue morning, min 17°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | |||||||||||||||
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) | ENE 7 | SSE 12 | SSE 11 | E 6 | E 6 | E 7 | E 7 | E 7 | ENE 8 | E 7 | ENE 8 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 9 | 15 | 12 | 29 | 81 | 94 | 103 | 109 | 94 | 70 | 75 | 54 | 52 | 51 | 60 | 57 | 57 | 42 | 42 | 40 | 27 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross | glassy | on | glassy | off | cross-on | cross-on | glassy | cross-on | glassy | glassy | cross-on | glassy | on | on | glassy | glassy | on | glassy |
High Tide | 4:02PM1.20m | 3:54AM1.20m | 4:38PM1.16m | 4:33AM1.17m | 5:16PM1.09m | 5:16AM1.11m | 5:58PM1.00m | 6:08AM1.03m | 6:48PM0.90m | 7:13AM0.94m | 7:50PM0.79m | 8:40AM0.90m | 9:11PM0.73m | ||||||||
Low Tide | 9:09AM0.03m | 9:12PM0.34m | 9:36AM0.05m | 9:37PM0.34m | 10:05AM0.11m | 10:07PM0.35m | 10:37AM0.20m | 10:40PM0.37m | 11:14AM0.32m | 11:19PM0.41m | 11:58AM0.47m | 00:07AM0.46m | 5:24PM0.51m | 1:37AM0.51m | |||||||
 |  |  | | |  | | |  | | | | |  |  | | | | | |  | |
 | 6:54 | — | — | 6:54 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:50 | — | — | 6:50 | — | — |
 | — | 5:46 | — | — | 5:46 | — | — | 5:47 | — | — | 5:47 | — | — | 5:49 | — | — | 5:49 | — | — | 5:50 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | 1 | 1 |
Temp °C | 19 | 20 | 18 | 19 | 19 | 17 | 21 | 19 | 17 | 20 | 20 | 18 | 23 | 20 | 19 | 19 | 20 | 18 | 20 | 19 | 18 |
Feels °C | 18 | 19 | 19 | 21 | 19 | 18 | 21 | 19 | 18 | 22 | 20 | 19 | 24 | 20 | 21 | 20 | 21 | 19 | 21 | 19 | 20 |
Swell 1 Height (m) Direction Period (s) | ENE 7 | ENE 7 | SSE 11 | E 6 | E 6 | E 7 | E 7 | E 7 | ENE 8 | E 7 | ENE 8 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 |
| kJ | 9 | 9 | 12 | 29 | 81 | 94 | 103 | 109 | 94 | 70 | 75 | 54 | 52 | 51 | 60 | 57 | 57 | 42 | 42 | 40 | 27 |
Swell 2 Height (m) Direction Period (s) | SE 5 | ESE 5 | E 7 | SSE 11 | SE 10 | S 10 | S 10 | S 10 | S 10 | E 11 | SE 12 | ESE 11 | SE 12 | SE 12 | SE 11 | SE 10 | SE 10 | SSE 4 | SE 6 | SE 6 | SE 6 |
| kJ | 1 | 2 | 4 | 11 | 4 | 7 | 2 | 2 | 2 | 2 | 6 | 13 | 23 | 21 | 30 | 16 | 15 | 4 | 8 | 11 | 13 |
Swell 3 Height (m) Direction Period (s) | SE 13 | SSE 12 | SSE 5 | E 11 | S 10 | — | — | — | S 10 | — | SE 10 | S 13 | SE 12 | SE 11 | ESE 10 | SE 11 | SE 11 | SE 9 | SE 9 | SSE 9 | SSE 9 |
| kJ | 7 | 15 | 2 | 2 | 8 | — | — | — | 2 | — | 4 | 3 | 6 | 18 | 10 | 5 | 5 | 13 | 13 | 8 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | ENE 4 | — | — | — | — | — | — | — | — | — | — | — | SE 4 | SSE 5 | SSE 5 | — | — | — | — |
| kJ | — | — | 5 | — | — | — | — | — | — | — | — | — | — | — | 4 | 15 | 8 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 42 | 143 | 29 | 19 | 105 | 0 | 0 | 97 | 19 | 0 | 112 | 0 | 0 | 100 | 0 | 19 | 100 | 0 | 0 | 100 | 29 |
Best forecast wave conditions in Santa Catarina - Norte | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
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Information about the Barra do Sul Surf forecast
The above surf forecast table for Barra do Sul provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Barra do Sul can be found by selecting the local surf guide option on the grey menu. Our Barra do Sul 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 (Barra do Sul) 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 Barra do Sul 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.
Barra do Sul is 15 km (9 miles) from Barra Velha. If you plan a holiday in Santa Catarina - Norte, look for hotels and other accommodation in Barra Velha. Barra Velha has rooms for a wide range of budgets as well as car hire and transport links.
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