Surf Forecasts:
Barra do Sul surf forecast from 28 Aug 2026:
- Best quality surf: Friday 28 Aug, 6AM (local time) - 4ft (1.2m), 7s period, ENE swell with glassy winds.
- Most powerful swell: Wednesday 2 Sep, 3AM (local time) - 7.5ft (2.3m), 12s period, SSE swell with 1,633 kJ wave energy.
- Next surfable swell (1★+): Friday 28 Aug, 6AM (local time) - 4ft (1.2m), 7s 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 Friday (Aug 28) at 6AM. The primary swell is predicted to be 1.2m and 7s period with a secondary swell of 0.4m and 12s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Barra do Sul in the next 16 days are 2.3m 12s and forecast to arrive on Wednesday (Sep 02) at 3AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Tuesday (Sep 01) at 6AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Fri 28th Aug) | 4ft (1.2m) 7s |
| Best Surf | 6AM (Fri 28th Aug) | 4ft (1.2m) 7s |
| Most Powerful | 3AM (Wed 2nd Sep) | 7.5ft (2.3m) 12s |
Table - best surf conditions forecast for Barra do Sul over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s on offer for Barra do Sul over the next couple of weeks.
We’ve got a bit of a mixed bag to start with, but the early mornings are where it’s at. The first real standout is Friday morning, August 28th, with a clean 4ft swell from the east-northeast. The wind is glassy, the energy is solid (219), and the conditions are set to be right for a paddle. This is your best early call.
The weekend looks a bit average in the afternoons, but Saturday morning, August 29th, serves up another glassy session. The swell drops a fraction to 4ft from the east, but the wind is dead calm. Expect clean, fun waves with moderate energy (205). Come Monday, August 31st, we see a switch to a light offshore wind from the west-southwest. The swell holds at 4ft from the east, and the period stretches to 9 seconds, giving the waves a bit more shape. Energy is solid (242), and it stays clean through the morning and afternoon.
The next big interesting window is Saturday afternoon, September 5th. We get a 4ft swell from the east-northeast, but what makes it a standout is the glassy conditions. After a stretch of choppy afternoons, this one looks proper. The energy comes back up to 239, and it should be a lovely evening surf.
Overall, the morning sessions are your go-to. The first week has some clean, glassy windows with waves in the 3ft to 4ft range. The second week drops off a bit in quality and swell height, with more onshore wind and smaller waves, particularly after September 8th. There’s a gap from Tuesday the 8th into the following week where conditions look pretty poor for a good paddle. The Sundays and Mondays look the most promising for the second week, with small but clean swells.
The water temp is about average for this time of year, so no surprises there.
For the absolute best on offer, stick with Friday morning, August 28th and Saturday afternoon, September 5th. Those are the ones.
Rusty.
Short Range ForecastMostly dry. Warm (max 23°C on Fri morning, min 19°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 39mm), heaviest during Mon night. Warm (max 22°C on Tue morning, min 14°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||
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 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 8 | E 9 | E 9 | SE 13 | SE 12 | SE 11 | SE 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 166 | 169 | 250 | 319 | 201 | 186 | 124 | 78 | 80 | 169 | 185 | 181 | 111 | 99 | 106 | 208 | 309 | 209 | 122 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | cross-on | cross-on | glassy | cross-on | cross | cross-off | on | glassy | off | cross-off | cross-off | cross-off | cross-on | cross | cross-on | on | glassy |
High Tide | 2:21AM1.26m | 3:00PM1.26m | 2:55AM1.29m | 3:32PM1.23m | 3:31AM1.27m | 4:05PM1.16m | 4:10AM1.22m | 4:40PM1.06m | 4:53AM1.13m | 5:17PM0.94m | 5:46AM1.02m | 6:02PM0.81m | |||||||
Low Tide | 8:27AM-0.02m | 8:29PM0.27m | 8:48AM0.00m | 8:46PM0.25m | 9:10AM0.05m | 9:07PM0.24m | 9:34AM0.14m | 9:32PM0.24m | 10:01AM0.27m | 10:01PM0.27m | 10:30AM0.41m | 10:34PM0.32m | |||||||
 |  | |  |  | | | | |  |  | |  | | | | | | | |
 | — | 6:31 | — | — | 6:30 | — | — | 6:28 | — | — | 6:28 | — | — | 6:26 | — | — | 6:26 | — | — |
 | — | — | 6:00 | — | — | 6:00 | — | — | 6:00 | — | — | 6:00 | — | — | 6:00 | — | — | 6:01 | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 2 | 4 | 32 | — | — | — | — | — | — |
Temp °C | 19 | 23 | 23 | 21 | 22 | 22 | 19 | 20 | 20 | 19 | 20 | 21 | 20 | 22 | 22 | 17 | 17 | 17 | 17 |
Feels °C | 20 | 23 | 23 | 23 | 22 | 22 | 20 | 21 | 23 | 21 | 22 | 23 | 23 | 22 | 19 | 15 | 16 | 16 | 17 |
Swell 1 Height (m) Direction Period (s) | ENE 7 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 8 | E 9 | E 9 | SE 13 | SE 12 | SE 11 | SE 10 |
| kJ | 166 | 169 | 173 | 176 | 201 | 186 | 124 | 78 | 80 | 169 | 185 | 181 | 111 | 99 | 106 | 208 | 309 | 209 | 122 |
Swell 2 Height (m) Direction Period (s) | SE 13 | SE 12 | SE 12 | SSE 11 | SE 10 | SE 10 | SSE 10 | SE 5 | SE 10 | SE 9 | SSE 7 | SSE 7 | SE 7 | SE 8 | — | E 10 | E 10 | E 9 | E 9 |
| kJ | 104 | 50 | 21 | 11 | 4 | 4 | 10 | 28 | 4 | 3 | 47 | 53 | 12 | 57 | — | 117 | 90 | 61 | 41 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SE 10 | — | S 7 | SE 6 | — | ESE 8 | — | — | — | SE 10 | ESE 9 | — |
| kJ | — | — | — | — | — | — | — | 4 | — | 1 | 10 | — | 78 | — | — | — | 24 | 8 | — |
Wind waves Height (m) Direction Period (s) | — | — | ENE 8 | ENE 8 | — | — | SSE 6 | SSE 5 | SE 5 | — | — | — | — | W 2 | SE 8 | SE 7 | — | — | — |
| kJ | — | — | 250 | 319 | — | — | 104 | 62 | 13 | — | — | — | — | 1 | 57 | 114 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 19 | 0 | 58 | 19 | 0 | 96 | 22 | 0 | 60 | 0 | 0 | 0 | 0 | 0 | 104 | 19 | 19 | 100 | 0 |
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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