Surf Forecasts:
Barra do Sul surf forecast from 20 Jul 2026:
- Best quality surf: Sunday 26 Jul, 6AM (local time) - 5ft (1.5m), 11s period, SE swell with offshore winds.
- Most powerful swell: Sunday 26 Jul, 6AM (local time) - 5ft (1.5m), 11s period, SE swell with 505 kJ wave energy.
- Next surfable swell (1★+): Monday 20 Jul, 6PM (local time) - 3.5ft (1.1m), 8s period with E 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 Monday (Jul 20) at 6PM. The primary swell is predicted to be 1.1m and 8s period. 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 1.5m 11s and forecast to arrive on Sunday (Jul 26) at 6AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Saturday (Jul 25) at 9PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Mon 20th Jul) | 3.5ft (1.1m) 8s |
| Best Surf | 6AM (Sun 26th Jul) | 5ft (1.5m) 11s |
| Most Powerful | 6AM (Sun 26th Jul) | 5ft (1.5m) 11s |
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 the table for the next stretch.
The outlook for Barra do Sul (Barrado-Sul) is pretty mellow, to be honest. We’ve got a long run of small, ordinary waves, with only one window that really stands out as worth paddling out for. Don’t expect much action for the first several days.
It’s a quiet start. Monday 20 July morning offers a tiny bit of hope with 4ft, 8-second easterly swell, and the wind is glassy from the WNW. The wave energy is moderate (157), but the conditions are described as very ordinary – it’s surfable, but nothing to get excited about. The water temp is 65°, which is about average for this time of year. Tuesday and Wednesday mornings are much the same: around 3ft, E swell, light offshore or clean winds, but still just ordinary. Thursday and Friday look poor, with weaker swell and cross-shore winds. This flat spell really drags on through the end of July.
Now, the one bright spot is Sunday 26 July. That’s the standout. The morning session looks like the pick of the whole period. We’ve got a solid 5ft SE swell with a period of 11 seconds, pushing a strong wave energy of 506. Pair that with a clean WSW breeze at 6 mph, and you’re looking at expect very good surf conditions. The swell is a bit more serious, so it’s not for beginners, but for anyone with some experience, this is the session to aim for. The SE direction is straight in the optimum for this break.
Monday 27 July morning still has some life – 4ft SE swell, glassy offshore wind from the W, and clean conditions. It’s a good follow-up session, but not quite the quality of Sunday. After that, the swell fades again. The rest of the first week of August looks weak, with undersized, low-energy swells and inconsistent periods. The mornings of 1 and 2 August have very long-period groundswell (15 seconds and 13 seconds) but the wave heights are tiny (1ft to 2ft), so it’s more of a long-range rumble than actual rideable surf.
Overall, it’s a lean 16 days with only one true standout session. Sunday 26 July morning is the one to circle on the calendar. If you’re flexible, that’s your window. Otherwise, it’s a lot of small, average days.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Wed night. Warm (max 25°C on Tue morning, min 16°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 30mm), heaviest during Fri night. Warm (max 23°C on Sat afternoon, min 16°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | |||||||||||||||
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) | E 8 | E 8 | ENE 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | E 9 | E 8 | E 8 | E 8 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 9 | SE 11 | SE 10 | SE 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 157 | 134 | 176 | 131 | 124 | 167 | 131 | 133 | 151 | 88 | 69 | 69 | 97 | 97 | 112 | 84 | 86 | 110 | 496 | 369 | 322 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | glassy | glassy | on | glassy | cross-off | cross | glassy | cross | cross | cross | cross | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-off |
High Tide | 6:50PM0.84m | 7:10AM0.89m | 7:38PM0.79m | 8:27AM0.83m | 3:27PM0.63m | 8:43PM0.76m | 10:01AM0.83m | 10:03PM0.75m | 11:27AM0.89m | 11:16PM0.80m | 12:26PM0.98m | 00:13AM0.87m | 1:10PM1.06m | 00:57AM0.95m | |||||||
Low Tide | 11:10AM0.37m | 11:15PM0.43m | 11:50AM0.48m | 00:10AM0.45m | 12:43PM0.58m | 1:34AM0.47m | 6:08PM0.58m | 5:36AM0.41m | 6:54PM0.53m | 6:21AM0.32m | 7:28PM0.48m | 6:57AM0.23m | 7:54PM0.43m | ||||||||
 |  |  | | | |  |  |  | | | | | |  |  | | | | | | |
 | 7:00 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:56 | — | — |
 | — | 5:40 | — | — | 5:42 | — | — | 5:42 | — | — | 5:43 | — | — | 5:43 | — | — | 5:44 | — | — | 5:44 | — |
mm | — | — | — | — | — | — | — | 1 | 3 | 1 | — | 4 | 4 | 3 | 17 | 1 | — | — | — | — | — |
Temp °C | 23 | 23 | 21 | 25 | 25 | 21 | 22 | 20 | 19 | 17 | 17 | 16 | 16 | 17 | 17 | 20 | 23 | 17 | 20 | 21 | 17 |
Feels °C | 23 | 22 | 22 | 26 | 25 | 22 | 22 | 20 | 21 | 16 | 15 | 15 | 17 | 18 | 18 | 20 | 22 | 13 | 19 | 20 | 16 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | ENE 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | E 9 | E 8 | E 8 | E 8 | SE 9 | E 8 | E 8 | SE 8 | SE 8 | SE 9 | SE 11 | SE 10 | SE 10 |
| kJ | 157 | 134 | 176 | 131 | 124 | 167 | 131 | 133 | 151 | 88 | 69 | 69 | 97 | 84 | 90 | 84 | 86 | 110 | 496 | 369 | 322 |
Swell 2 Height (m) Direction Period (s) | — | — | S 11 | S 10 | — | S 10 | S 9 | S 8 | SE 9 | SSE 9 | — | SSE 9 | E 8 | SE 9 | SE 9 | E 8 | E 8 | E 7 | ENE 7 | E 8 | E 9 |
| kJ | — | — | 2 | 2 | — | 2 | 2 | 1 | 3 | 8 | — | 29 | 66 | 97 | 112 | 55 | 41 | 28 | 10 | 5 | 13 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | S 13 | — | SE 12 | — | — | — | — | — | — | SE 14 | SE 13 | SE 15 | — | — | — |
| kJ | — | — | — | — | — | — | 4 | — | 6 | — | — | — | — | — | — | 8 | 7 | 9 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | S 4 | — | SSE 5 | SSE 6 | SSE 5 | — | — | — | — | — | SW 3 | — | — | — |
| kJ | — | — | — | — | — | — | — | 9 | — | 15 | 62 | 23 | — | — | — | — | — | 3 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 105 | 0 | 0 | 66 | 0 | 0 | 19 | 0 | 97 | 29 | 29 | 19 | 29 | 0 | 0 | 0 | 19 | 0 | 60 | 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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