Surf Forecasts:
Barra da Lagoa surf forecast from 26 Jul 2026:
- Best quality surf: Thursday 30 Jul, 12PM (local time) - 3ft (0.9m), 7s period, SSE swell with cross-offshore winds.
- Most powerful swell: Thursday 30 Jul, 6PM (local time) - 3ft (0.9m), 9s period, SSE swell with 156 kJ wave energy.
- Next surfable swell (1★+): Thursday 30 Jul, 12PM (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 Thursday (Jul 30) at 12PM. The primary swell is predicted to be 0.9m and 7s period with a secondary swell of 0.4m and 5s. 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 0.9m 9s and forecast to arrive on Thursday (Jul 30) at 6PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 7s period and expected on Sunday (Aug 02) at 9PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12PM (Thu 30th Jul) | 3ft (0.9m) 7s |
| Best Surf | 12PM (Thu 30th Jul) | 3ft (0.9m) 7s |
| Most Powerful | 6PM (Thu 30th Jul) | 3ft (0.9m) 9s |
Table - best surf conditions forecast for Barra da Lagoa over the next 16 days.
The Lowdown
Alright mates, Rusty here. Let's not sugar-coat it. From Sunday, July 26th, all the way through to Monday, August 3rd, Barra da Lagoa is serving up a big fat zero. Tiny, weak swells and onshore winds mean you're looking at a whole lot of nothing. The wave energy is pathetic, barely cracking 130 at the best of times and often down in the single digits. You're better off mending a leash than trying to get wet. The water temperature is around 64°, which is a bit colder than average for the season – break out the winter rubber.
The only real beacon on the horizon is Tuesday, August 4th, in the morning. That's when we see a proper pulse of SE groundswell pushing 7ft with an 11-second period. The energy is massive, hitting 1107 (very strong). The wind will be from the south at about 12 mph, putting it cross-offshore and giving us some clean waves. That morning is the standout of the whole 16-day period. At that size, it's well overhead and strictly for the experienced crew. Beginners should sit this one out completely. The groundswell will bring more push and energy, with longer lulls between sets, so the paddle-out shouldn't be too chaotic.
The afternoon of the 4th backs off to 6ft and the wind goes cross-shore, making it more average.
After Tuesday, it fades fast. Wednesday the 5th is junk again. Thursday morning, August 6th, sees a small window with light westerly breezes and a 4ft SE swell. The conditions are clean, but it's not a standout by any stretch.
From the 7th of August through to the 10th, we're back in the doldrums. Tiny waves, wind issues, and energy dropping to single digits. The entire second week is a write-off. So, the one and only real call to action is Tuesday morning, August 4th. The rest of the time, you’re on shore patrol.
Rusty.
Short Range ForecastMostly dry. Warm (max 21°C on Tue morning, min 17°C on Sun afternoon). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Thu morning. Warm (max 21°C on Wed afternoon, min 17°C on Wed night). Wind will be generally light. | |||||||||||||||||||
Sun 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | ||||||||||||||
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) | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SE 8 | SSE 12 | SE 5 | ENE 7 | SSE 8 | SSE 8 | SE 7 | N 3 | N 3 | SE 10 | SE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 117 | 105 | 86 | 75 | 58 | 43 | 37 | 25 | 24 | 16 | 29 | 12 | 0 | 76 | 40 | 27 | 1 | 5 | 4 | 3 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross-on | cross | cross | cross | glassy | cross | glassy | cross-off | cross-off | glassy | cross-on | cross | cross-on | cross | cross | cross-on | cross-off |
High Tide | 00:32AM0.65m | 1:46PM0.81m | 1:04AM0.71m | 2:12PM0.84m | 1:32AM0.77m | 2:37PM0.85m | 2:01AM0.82m | 3:02PM0.84m | 2:31AM0.86m | 3:28PM0.83m | 3:03AM0.88m | 3:57PM0.81m | ||||||||
Low Tide | 7:29PM0.36m | 7:07AM0.09m | 7:56PM0.33m | 7:44AM0.04m | 8:22PM0.32m | 8:19AM0.01m | 8:47PM0.31m | 8:53AM-0.01m | 9:15PM0.31m | 9:27AM0.00m | 9:44PM0.31m | 10:03AM0.03m | 10:15PM0.32m | |||||||
 |  | |  |  | | | |  | |  |  | | | | | | | |  | |
 | — | — | 6:58 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:54 | — | — |
 | 5:40 | — | — | 5:42 | — | — | 5:42 | — | — | 5:43 | — | — | 5:44 | — | — | 5:44 | — | — | 5:45 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | 2 |
Temp °C | 18 | 17 | 20 | 20 | 18 | 21 | 20 | 18 | 20 | 21 | 17 | 17 | 18 | 18 | 20 | 19 | 18 | 20 | 21 | 19 |
Feels °C | 16 | 16 | 21 | 20 | 17 | 21 | 21 | 19 | 20 | 23 | 13 | 17 | 19 | 19 | 20 | 18 | 18 | 18 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ENE 6 | NE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 6 | ENE 6 |
| kJ | 117 | 105 | 86 | 75 | 58 | 55 | 91 | 70 | 81 | 73 | 68 | 99 | 76 | 74 | 72 | 68 | 70 | 61 | 38 | 75 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 11 | S 12 | S 12 | S 11 | ESE 8 | ESE 8 | S 11 | S 12 | S 11 | S 10 | S 9 | S 7 | SSE 8 | SSE 8 | S 11 | S 11 | E 6 | S 10 | S 10 |
| kJ | 134 | 82 | 73 | 69 | 61 | 43 | 37 | 63 | 101 | 116 | 71 | 79 | 51 | 76 | 40 | 65 | 84 | 31 | 33 | 17 |
Swell 3 Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | S 13 | S 12 | ESE 8 | ESE 8 | SE 8 | SSE 12 | SSE 11 | S 9 | S 9 | S 9 | SE 7 | E 6 | S 11 | SE 10 | SE 8 |
| kJ | 18 | 10 | 5 | 5 | 4 | 79 | 69 | 25 | 24 | 16 | 29 | 41 | 64 | 61 | 53 | 27 | 20 | 59 | 4 | 3 |
Wind waves Height (m) Direction Period (s) | NNE 4 | N 4 | NNE 4 | NE 5 | NNE 4 | N 4 | NW 4 | — | WNW 2 | — | S 4 | SE 5 | — | — | — | — | N 3 | N 3 | NNE 7 | — |
| kJ | 13 | 13 | 12 | 17 | 26 | 9 | 3 | — | 1 | — | 14 | 12 | — | — | — | — | 1 | 5 | 66 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 32 | 3 | 3 | 3 | 3 | 3 | 16 | 4 | 4 | 5 | 13 | 13 | 3 | 3 | 3 | 221 | 5 | 60 | 122 | 16 |
Best forecast wave conditions in Florianópolis | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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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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