Surf Forecasts:
Barra da Lagoa surf forecast from 8 Aug 2026:
- Best quality surf: Friday 14 Aug, 9AM (local time) - 6ft (1.9m), 15s period, SSE swell with cross-offshore winds.
- Most powerful swell: Friday 14 Aug, 12PM (local time) - 6.5ft (2.0m), 14s period, SSE swell with 1,592 kJ wave energy.
- Next surfable swell (1★+): Wednesday 12 Aug, 12AM (local time) - 6ft (1.9m), 12s 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 12) at 12AM. The primary swell is predicted to be 1.9m and 12s 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 2.0m 14s and forecast to arrive on Friday (Aug 14) at 12PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.4m 8s period and expected on Sunday (Aug 09) at 9AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Wed 12th Aug) | 6ft (1.9m) 12s |
| Best Surf | 9AM (Fri 14th Aug) | 6ft (1.9m) 15s |
| Most Powerful | 12PM (Fri 14th Aug) | 6.5ft (2.0m) 14s |
Table - best surf conditions forecast for Barra da Lagoa over the next 16 days.
The Lowdown
Alright folks, Rusty here with a look at what's coming up for Barra da Lagoa. I've gotta be straight with you – it's been a quiet stretch, and it's going to stay that way for a while. We're looking at a gap of nearly four days with nothing worth paddling out for. The first real chance of a wave won't arrive until Wednesday morning, the 12th of August.
That Wednesday morning, the 12th, we see a bump of 6ft SSE swell rolling in with a period of 12 seconds. The combined wave energy hits a moderate 887. Problem is, the wind is a light cross-shore from the NNW, and the forecast is only calling it marginal. The water temp is sitting at 66°, which is pretty average for this time of year. It’s not going to be clean perfection, but there's enough energy to get wet.
Thursday, the 13th, offers similar conditions: SSE swells in the 5ft to 6ft range with a very long period of 14-15 seconds. The energy is strong (1059-1065), but the winds are a bit of a mess – cross and cross-onshore. These long period swells can be tricky at a beach break like Barra da Lagoa, tending to break a bit too straight. It's still marginal.
Now, here’s the standout. If you can wait, Friday morning, the 14th of August, is the one to circle. We’ve got a clean 6ft swell from the SSE with a 15-second period. That's a very long period groundswell. The combined energy is pumping at 1560 – that’s strong. And the wind is a light cross-offshore from the SW. That’s the magic combo. This is excellent surf, but at 6ft with that much energy, it's for experienced surfers. This is easily the best on offer across the whole run. The afternoon on Friday looks a bit more blown out with a moderate southerly, so make sure you get on it early.
The rest of the run into the third week drops off badly. By the 15th, we’re into short-period, onshore wind slop, and after that, it’s flat or near-flat all the way through to the 23rd. There's a tiny blip on the 22nd with some 3ft SSE swell, but the onshore winds kill it. The very end of the run on Sunday the 23rd shows a sliver of hope with a light cross-offshore and a 2ft SSE swell, but it's just ordinary.
To be honest, the setup for a lot of those days with the onshore winds and choppy seas looks like it'd be more fun for the kite surfers than for us paddle folk. Keep an eye on that Friday morning, it’s your best bet.
Rusty.
Short Range ForecastModerate rain (total 12mm), heaviest on Sun afternoon. Very mild (max 17°C on Sat night, min 11°C on Sun afternoon). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 13mm), heaviest on Tue afternoon. Very mild (max 19°C on Thu morning, min 11°C on Tue afternoon). Wind will be generally light. | |||||||||||||||||||
Sat 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | ||||||||||||||
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) | NE 4 | S 13 | S 8 | S 9 | S 11 | S 12 | S 12 | S 12 | S 12 | S 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 15 | SSE 14 | S 13 | SSE 15 | SSE 13 | SE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1019 | 887 | 0 | 569 | 1059 | 1065 | 0 | 1560 | 1581 | 349 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross | cross | cross | cross | cross-on | cross-off | cross-off | cross-off | cross |
High Tide | 00:14AM0.52m | 1:31PM0.88m | 00:26AM0.58m | 2:02PM0.91m | 00:47AM0.66m | 2:26PM0.90m | 1:13AM0.74m | 2:44PM0.86m | 1:42AM0.81m | 3:01PM0.81m | 2:13AM0.86m | 3:17PM0.77m | 2:46AM0.88m | |||||||
Low Tide | 6:51PM0.33m | 6:12AM0.12m | 7:35PM0.32m | 7:01AM0.03m | 8:09PM0.33m | 7:44AM-0.04m | 8:38PM0.35m | 8:24AM-0.06m | 9:03PM0.38m | 8:59AM-0.05m | 9:21PM0.39m | 9:30AM0.01m | 9:29PM0.38m | |||||||
 |  |  |  |  | | |  | |  | | | |  | |  | | | | | |
 | — | — | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:47 | — | — | 6:46 | — | — | 6:45 | — | — |
 | 5:47 | — | — | 5:49 | — | — | 5:49 | — | — | 5:50 | — | — | 5:50 | — | — | 5:51 | — | — | 5:51 | — |
mm | 2 | 1 | — | 5 | 4 | — | — | — | — | 7 | 4 | 1 | — | — | — | — | 1 | — | 1 | 3 |
Temp °C | 16 | 17 | 15 | 13 | 12 | 12 | 14 | 13 | 13 | 12 | 14 | 15 | 16 | 17 | 19 | 19 | 18 | 18 | 18 | 18 |
Feels °C | 16 | 17 | 10 | 9 | 8 | 7 | 10 | 9 | 11 | 12 | 14 | 15 | 15 | 17 | 20 | 20 | 18 | 18 | 16 | 18 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 13 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 9 | S 12 | S 12 | S 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 15 | SSE 14 | S 13 | SSE 15 | SSE 13 | SE 8 |
| kJ | 1004 | 764 | 47 | 29 | 32 | 23 | 46 | 1174 | 940 | 841 | 1019 | 887 | 755 | 569 | 1059 | 1065 | 775 | 1560 | 1581 | 349 |
Swell 2 Height (m) Direction Period (s) | ENE 8 | ENE 8 | E 15 | E 14 | ENE 8 | E 13 | E 13 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | NE 4 | ENE 5 | NE 6 | NE 6 | ENE 6 | ENE 6 | ENE 6 | SSE 12 |
| kJ | 71 | 110 | 4 | 4 | 32 | 3 | 3 | 38 | 25 | 20 | 11 | 10 | 4 | 41 | 46 | 51 | 51 | 36 | 27 | 618 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | E 13 | — | — | — | — | — | — | — | ENE 7 | — | — | NNE 6 | — | NE 6 | — | ENE 7 |
| kJ | — | — | — | — | 3 | — | — | — | — | — | — | — | 5 | — | — | 30 | — | 34 | — | 26 |
Wind waves Height (m) Direction Period (s) | NE 4 | S 3 | S 8 | S 9 | S 11 | S 12 | S 12 | — | — | — | — | — | — | — | — | — | — | SSW 4 | — | — |
| kJ | 16 | 4 | 645 | 715 | 1005 | 1277 | 1083 | — | — | — | — | — | — | — | — | — | — | 25 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 4 | 17 | 17 | 17 | 13 | 17 | 17 | 13 | 13 | 4 | 0 | 4 | 4 | 4 | 4 | 5 | 13 | 0 | 17 | 16 |
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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