Surf Forecasts:
Barra da Lagoa surf forecast from 18 Sep 2026:
- Best quality surf: Wednesday 23 Sep, 12PM (local time) - 4ft (1.2m), 16s period, SSE swell with cross-offshore winds.
- Most powerful swell: Wednesday 23 Sep, 3PM (local time) - 6.5ft (2.0m), 16s period, SSE swell with 1,913 kJ wave energy.
- Next surfable swell (1★+): Wednesday 23 Sep, 9AM (local time) - 1.5ft (0.4m), 18s 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 (Sep 23) at 9AM. The primary swell is predicted to be 0.4m and 18s 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 2.0m 16s and forecast to arrive on Wednesday (Sep 23) at 3PM. 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 Sunday (Sep 20) at 3AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Wed 23rd Sep) | 1.5ft (0.4m) 18s |
| Best Surf | 12PM (Wed 23rd Sep) | 4ft (1.2m) 16s |
| Most Powerful | 3PM (Wed 23rd Sep) | 6.5ft (2.0m) 16s |
Table - best surf conditions forecast for Barra da Lagoa over the next 16 days.
Short Range ForecastHeavy rain (total 61mm), heaviest during Sat night. Warm (max 23°C on Mon morning, min 18°C on Fri afternoon). Winds decreasing (fresh winds from the NNE on Sat night, light winds from the NNW by Sun night). | Days 5-7 Weather SummaryHeavy rain (total 25mm), heaviest during Mon afternoon. Warm (max 21°C on Mon afternoon, min 13°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | ||||||||||||||
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) | ENE 5 | ENE 6 | SSE 13 | SSE 12 | NE 8 | NE 9 | NE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | S 6 | SSE 18 | SSE 16 | ESE 12 | SSE 14 | SSE 14 | SSE 13 |
Wave Graph  | ||||||||||||||||||||
 kJ | 20 | 127 | 17 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 131 | 1913 | 29 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | glassy | cross-on | cross-on | cross |
High Tide | 3:48PM0.57m | 00:14AM0.34m | 12:08PM0.63m | 12:09PM0.70m | 11:08PM0.53m | 12:22PM0.76m | 11:34PM0.63m | 12:39PM0.81m | 11:59PM0.72m | 12:59PM0.85m | 00:26AM0.80m | 1:20PM0.88m | 00:54AM0.87m | |||||||
Low Tide | 3:16PM0.57m | 10:21PM0.33m | 3:55AM0.29m | 5:45PM0.44m | 4:58AM0.20m | 6:01PM0.37m | 5:43AM0.12m | 6:25PM0.32m | 6:21AM0.04m | 6:52PM0.27m | 6:56AM-0.01m | 7:20PM0.23m | ||||||||
 |  |  |  |  | |  |  |  |  | | | | | | | | |  | | |
 | — | — | 6:07 | — | — | 6:05 | — | — | 6:03 | — | — | 6:03 | — | — | 6:01 | — | — | 6:01 | — | — |
 | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:08 | — | — | 6:08 | — | — | 6:09 | — | — | 6:09 | — |
mm | — | 5 | 2 | 13 | 36 | 3 | — | — | 2 | 4 | 12 | — | 5 | 4 | — | — | — | — | — | — |
Temp °C | 18 | 18 | 19 | 18 | 19 | 19 | 20 | 19 | 23 | 21 | 20 | 15 | 14 | 14 | 15 | 16 | 15 | 18 | 18 | 18 |
Feels °C | 18 | 17 | 18 | 17 | 17 | 17 | 19 | 20 | 24 | 23 | 21 | 12 | 10 | 11 | 14 | 14 | 15 | 16 | 16 | 17 |
Swell 1 Height (m) Direction Period (s) | SSE 10 | SSE 9 | S 9 | S 9 | SSE 12 | S 12 | S 12 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | S 12 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 13 |
| kJ | 154 | 113 | 59 | 39 | 50 | 11 | 11 | 1071 | 734 | 561 | 351 | 216 | 176 | 184 | 714 | 1913 | 1951 | 1363 | 1090 | 679 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | ESE 8 | SSE 13 | SSE 12 | — | S 11 | — | S 11 | S 10 | S 10 | S 9 | E 14 | E 13 | E 14 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 30 | 24 | 17 | 26 | — | 23 | — | 9 | 8 | 7 | 6 | 4 | 3 | 4 | 243 | 206 | 140 | 94 | 70 | 110 |
Swell 3 Height (m) Direction Period (s) | — | S 14 | — | SSW 9 | — | — | — | — | — | — | S 12 | — | — | — | SSE 18 | — | ESE 12 | ESE 12 | ESE 11 | ESE 11 |
| kJ | — | 4 | — | 16 | — | — | — | — | — | — | 3 | — | — | — | 131 | — | 29 | 45 | 42 | 39 |
Wind waves Height (m) Direction Period (s) | ENE 5 | ENE 6 | ENE 7 | ENE 7 | NE 8 | NE 9 | NE 10 | — | — | — | — | S 5 | S 5 | S 6 | — | — | — | — | — | — |
| kJ | 20 | 127 | 343 | 324 | 816 | 1382 | 1751 | — | — | — | — | 80 | 57 | 305 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 5 | 78 | 67 | 67 | 429 | 90 | 90 | 4 | 13 | 17 | 3 | 21 | 21 | 21 | 0 | 17 | 3 | 3 | 67 | 3 |
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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