Surf Forecasts:
Barra da Lagoa surf forecast from 5 Aug 2026:
- Best quality surf: Wednesday 12 Aug, 12AM (local time) - 6.5ft (2.0m), 12s period, SSE swell with cross-offshore winds.
- Most powerful swell: Wednesday 12 Aug, 6AM (local time) - 7ft (2.1m), 12s period, SSE swell with 1,293 kJ wave energy.
- Next surfable swell (1★+): Wednesday 5 Aug, 9PM (local time) - 2.5ft (0.7m), 10s period with SSE swell.
Best Forecast Surf Conditions for Barra da Lagoa this week:
The surf forecast for Barra da Lagoa over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 05) at 9PM. The primary swell is predicted to be 0.7m and 10s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Barra da Lagoa in the next 16 days are 2.1m 12s and forecast to arrive on Wednesday (Aug 12) at 6AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 8s period and expected on Sunday (Aug 09) at 12PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Wed 5th Aug) | 2.5ft (0.7m) 10s |
| Best Surf | 12AM (Wed 12th Aug) | 6.5ft (2.0m) 12s |
| Most Powerful | 6AM (Wed 12th Aug) | 7ft (2.1m) 12s |
Table - best surf conditions forecast for Barra da Lagoa over the next 16 days.
The Lowdown
Alright, Rusty here again, same story but in feet and Fahrenheit. The first week or so at Barra da Lagoa is a total flat spell, nothing doing. But there’s a sweet little window that sneaks in later if you’re patient.
From Wednesday the 5th through to the 11th, it’s all tiny junk or no surf at all. A few knee-high dribblers from the SSE on the 5th and 6th, with cross-shore breezes and poor conditions – not worth paddling out. The water’s about 65°, which is dead average for this time of year.
Come Wednesday the 12th of August, things turn on. The morning is the real standout. We’re talking a clean 7ft SSE groundswell with a 12-second period – that’s proper energy, with a combined energy of 1145 pushing through. Wind is light from the south at 6 mph, blowing cross-offshore, keeping the waves clean and lined up. At 7ft, it’s a bit too big for the groms and beginners – more for the experienced crew. The swell direction is a little off the best angle (ENE), but the quality is still very good. Crowds are often here, so you won’t be alone.
The afternoon of the 12th still holds 7ft surf, but the wind goes light east, making it a bit bumpy on the takeoff. Still okay, but the morning is the champion session.
After that, it fades. Thursday the 13th and Friday the 14th see some 5ft to 6ft swell from the SSE, with clean conditions on Friday morning, but it’s marginal and the energy is dropping. The 15th gets messy with east winds and a short-period 8-second ESE swell that’s choppy. The rest of the outlook into the 20th is flat or tiny, with poor winds and weak little waves.
So, bottom line: the first 10 days are a bust. The only real winner is the morning of the 12th – that’s your window. Get in early.
Rusty.
Short Range ForecastLight rain (total 6mm), mostly falling on Wed afternoon. Warm (max 23°C on Thu afternoon, min 14°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 8mm), mostly falling on Mon afternoon. Very mild (max 17°C on Sat afternoon, min 11°C on Mon afternoon). Mainly fresh winds. | |||||||||||||||||||
Wed 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | ||||||||||||||
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) | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 11 | SSE 8 | S 8 | S 11 | S 14 | S 13 | SSE 13 | S 12 | S 8 | SSE 11 | S 13 | S 12 | S 11 | S 12 | S 12 | SSE 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 104 | 74 | 65 | 45 | 25 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1090 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | cross | cross-on | cross | off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 6:24PM0.55m | 7:28AM0.62m | 7:29PM0.47m | 12:12PM0.70m | 00:07AM0.47m | 12:55PM0.81m | 00:14AM0.52m | 1:31PM0.88m | 00:26AM0.58m | 2:02PM0.91m | 00:47AM0.66m | 2:26PM0.90m | 1:13AM0.74m | |||||||
Low Tide | 2:28AM0.37m | 4:05PM0.39m | 10:22PM0.44m | 3:59AM0.31m | 5:47PM0.36m | 5:14AM0.22m | 6:51PM0.33m | 6:12AM0.12m | 7:35PM0.32m | 7:01AM0.03m | 8:09PM0.33m | 7:44AM-0.04m | 8:38PM0.35m | |||||||
 |  |  |  |  | | | |  | |  |  | |  | | |  | | | | |
 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — |
 | 5:46 | — | — | 5:46 | — | — | 5:47 | — | — | 5:47 | — | — | 5:49 | — | — | 5:49 | — | — | 5:50 | — |
mm | 4 | — | — | — | 2 | — | — | — | — | — | — | 1 | 2 | — | — | 3 | 2 | — | — | — |
Temp °C | 19 | 19 | 22 | 23 | 21 | 22 | 18 | 15 | 15 | 17 | 17 | 15 | 14 | 12 | 12 | 12 | 12 | 13 | 14 | 14 |
Feels °C | 21 | 21 | 22 | 23 | 21 | 21 | 14 | 11 | 12 | 16 | 16 | 11 | 10 | 9 | 9 | 9 | 7 | 7 | 8 | 10 |
Swell 1 Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | S 11 | S 14 | S 13 | SSE 13 | ENE 8 | ENE 8 | SSE 11 | S 13 | ENE 9 | ENE 8 | ENE 8 | S 12 | SSE 12 |
| kJ | 62 | 47 | 58 | 77 | 85 | 171 | 126 | 1116 | 1527 | 1138 | 874 | 51 | 33 | 831 | 1226 | 86 | 38 | 24 | 1214 | 1090 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SE 8 | S 10 | — | ENE 8 | ENE 8 | ENE 8 | NE 8 | E 15 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | E 12 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 104 | 74 | 65 | 45 | 18 | 19 | — | 67 | 73 | 76 | 125 | 4 | 40 | 32 | 47 | 84 | 3 | 24 | 12 | 11 |
Swell 3 Height (m) Direction Period (s) | SE 11 | S 16 | SSE 14 | SSE 13 | SSE 11 | SSE 8 | — | — | — | — | ENE 8 | — | — | E 13 | E 13 | — | — | — | — | — |
| kJ | 5 | 5 | 19 | 17 | 25 | 7 | — | — | — | — | 56 | — | — | 4 | 3 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | NNW 3 | N 3 | N 4 | WNW 3 | S 8 | — | — | NE 8 | — | S 12 | S 8 | — | — | S 12 | S 11 | S 12 | — | NE 8 |
| kJ | — | — | 3 | 8 | 13 | 2 | 398 | — | — | 145 | — | 1480 | 708 | — | — | 841 | 969 | 786 | — | 15 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 3 | 0 | 3 | 5 | 3 | 4 | 226 | 17 | 5 | 4 | 16 | 17 | 17 | 13 | 13 | 17 | 17 | 17 | 17 | 0 |
Best forecast wave conditions in Florianópolis | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
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Information about the Barra da Lagoa Surf forecast
The above surf forecast table for Barra da Lagoa provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Barra da Lagoa can be found by selecting the local surf guide option on the grey menu. Our Barra da Lagoa 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 da Lagoa) 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 da Lagoa 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 da Lagoa is 9 km (6 miles) from Florianopolis. If you plan a holiday in Florianópolis, look for hotels and other accommodation in Florianopolis. Florianopolis has rooms for a wide range of budgets as well as car hire and transport links.
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