Surf Forecasts:
Barra da Lagoa surf forecast from 26 Aug 2026:
- Best quality surf: Monday 31 Aug, 3AM (local time) - 3ft (0.9m), 7s period, SSE swell with cross-offshore winds.
- Most powerful swell: Wednesday 26 Aug, 6PM (local time) - 7.5ft (2.3m), 15s period, SSE swell with 2,207 kJ wave energy.
- Next surfable swell (1★+): Monday 31 Aug, 3AM (local time) - 3ft (0.9m), 7s 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 Monday (Aug 31) at 3AM. The primary swell is predicted to be 0.9m and 7s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Barra da Lagoa in the next 16 days are 2.3m 15s and forecast to arrive on Wednesday (Aug 26) at 6PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 8s period and expected on Tuesday (Sep 01) at 6PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Mon 31st Aug) | 3ft (0.9m) 7s |
| Best Surf | 3AM (Mon 31st Aug) | 3ft (0.9m) 7s |
| Most Powerful | 6PM (Wed 26th Aug) | 7.5ft (2.3m) 15s |
Table - best surf conditions forecast for Barra da Lagoa over the next 16 days.
The Lowdown
Alright, Rusty here. Let's talk about the next couple of weeks at Barra da Lagoa. The water is sitting at 66°F, which is pretty much spot on average for this time of year, nothing to write home about on the temperature front.
We’ve got a bit of a slow start, so don’t bother paddling out just yet. The first chance of anything surfable doesn’t show up until Wednesday 26th August in the morning. There's a 7ft swell from the SSE with a very long 15-second period, pushing through a solid 1847 (moderate to strong energy). The problem is, the wind is cross-shore from the north at 9 mph and the report calls it marginal. So even though there's size and energy, the quality just isn't there. That afternoon gets even worse with the wind shifting more onshore.
The pattern stays poor. Thursday the 27th starts with a smaller 6ft SSE swell (1064 energy) but the wind is still a problem, making things choppy. Friday and Saturday are tiny and not worth looking at. The whole first week is a write-off for any decent waves.
We finally get a glimmer of hope on Monday 31st August morning. Only 3ft and short period at 7 seconds, so no power, but the wind is completely glassy (0 mph). It’s surfable, but very ordinary. Not a standout.
The real highlight? Look to Tuesday 1st September morning. We get a clean 4ft SE swell with a period of 10 seconds and a cross-off wind from the south at 9 mph. The energy is moderate at 293. The winds are clean and the swell is a nice size for a beginner spot like this. That morning window is your best bet in the entire 16 days.
After that, Wednesday the 2nd goes glassy again but with a small 2ft SE swell (76 energy). Surfable but forgettable. From Thursday the 3rd onwards, it’s pretty much dead. Tiny waves and clean conditions, but nothing to ride until the 9th of September when some bigger 2ft ESE swell shows up with a long 17-second period (293 energy), but the wind is cross-on, wrecking the shape. A frustrating run of near-misses.
Bottom line: If you’re a beginner, Tuesday 1st September morning at Barra da Lagoa is your window. For the rest, it’s a waiting game.
- Rusty
Short Range ForecastSome drizzle, heaviest during Wed night. Warm (max 22°C on Fri morning, min 17°C on Wed morning). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 37mm), heaviest during Mon afternoon. Warm (max 21°C on Sat morning, min 18°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | |||||||||||||||
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) | SSE 15 | SSE 14 | SSE 15 | SSE 14 | SSE 13 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SE 10 | SSE 10 | SSE 10 | SSE 10 | SE 5 | ENE 9 | SSE 7 | SE 7 | SE 8 | SSE 9 | SE 9 | SE 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1847 | 2061 | 1772 | 1064 | 745 | 365 | 158 | 69 | 45 | 25 | 20 | 10 | 10 | 8 | 0 | 120 | 126 | 131 | 464 | 97 | 65 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross | cross-on | cross | cross | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-on | cross | cross-off | cross-off | cross-off |
High Tide | 1:51PM0.87m | 1:16AM0.83m | 2:12PM0.88m | 1:43AM0.89m | 2:34PM0.87m | 2:12AM0.92m | 2:58PM0.85m | 2:44AM0.92m | 3:22PM0.81m | 3:19AM0.90m | 3:49PM0.75m | 3:58AM0.84m | 4:16PM0.68m | ||||||||
Low Tide | 7:52PM0.27m | 7:57AM-0.03m | 8:18PM0.26m | 8:30AM-0.04m | 8:45PM0.25m | 9:04AM-0.01m | 9:11PM0.25m | 9:38AM0.05m | 9:36PM0.26m | 10:15AM0.15m | 9:54PM0.27m | 10:59AM0.27m | 9:48PM0.29m | ||||||||
 | |  | |  |  | | | | | | |  | |  |  |  | | |  |  | |
 | 6:33 | — | — | 6:33 | — | — | 6:31 | — | — | 6:31 | — | — | 6:28 | — | — | 6:28 | — | — | 6:26 | — | — |
 | — | 5:57 | — | — | 5:57 | — | — | 5:58 | — | — | 5:58 | — | — | 5:59 | — | — | 5:59 | — | — | 6:00 | — |
mm | — | — | 1 | — | — | — | — | — | — | — | — | — | 1 | — | 3 | 9 | 16 | 8 | — | — | — |
Temp °C | 19 | 19 | 19 | 20 | 20 | 19 | 22 | 22 | 20 | 21 | 21 | 19 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 18 | 16 |
Feels °C | 17 | 17 | 20 | 20 | 20 | 19 | 21 | 21 | 20 | 22 | 21 | 17 | 21 | 21 | 21 | 21 | 20 | 19 | 16 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | SSE 15 | SSE 14 | SSE 15 | SSE 14 | SSE 13 | ENE 7 | ENE 8 | SSE 11 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | SE 9 | ENE 10 | ENE 10 |
| kJ | 1847 | 2061 | 1772 | 1064 | 745 | 256 | 327 | 69 | 444 | 422 | 361 | 322 | 268 | 287 | 400 | 359 | 287 | 203 | 330 | 258 | 227 |
Swell 2 Height (m) Direction Period (s) | — | — | — | NE 6 | ENE 6 | SSE 12 | SSE 12 | — | SSE 11 | SE 10 | SSE 10 | SSE 10 | SSE 10 | S 7 | SSE 7 | SSE 7 | SE 7 | SE 8 | ENE 9 | SE 9 | SE 9 |
| kJ | — | — | — | 75 | 126 | 365 | 158 | — | 45 | 25 | 20 | 10 | 10 | 22 | 77 | 120 | 126 | 131 | 336 | 97 | 65 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 5 | — | — | — | SE 10 | N 4 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 | — | — | — | 48 | 1 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | NE 5 | — | NE 7 | — | N 4 | NE 8 | — | — | S 4 | S 5 | S 4 | — | — | — | — | NNW 3 | SSE 9 | S 8 | S 9 |
| kJ | — | — | 26 | — | 214 | — | 19 | 418 | — | — | 38 | 46 | 8 | — | — | — | — | 3 | 464 | 860 | 641 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 4 | 56 | 7 | 3 | 25 | 3 | 3 | 56 | 3 | 21 | 107 | 21 | 13 | 13 | 3 | 0 | 3 | 3 | 17 | 17 | 17 |
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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