Surf Forecasts:
Barre do Sai surf forecast from 23 Aug 2026:
- Best quality surf: Monday 24 Aug, 6AM (local time) - 2.5ft (0.8m), 14s period, SE swell with glassy winds.
- Most powerful swell: Wednesday 26 Aug, 9PM (local time) - 3ft (0.9m), 15s period, SE swell with 395 kJ wave energy.
- Next surfable swell (1★+): Monday 24 Aug, 6AM (local time) - 2.5ft (0.8m), 14s period with SE swell.
Best Forecast Surf Conditions for Barre do Sai this week:
The surf forecast for Barre do Sai over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 24) at 6AM. The primary swell is predicted to be 0.8m and 14s period with a secondary swell of 0.4m and 4s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Barre do Sai in the next 16 days are 0.9m 15s and forecast to arrive on Wednesday (Aug 26) at 9PM. Winds are predicted to be glassy at the time the swell arrives.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Mon 24th Aug) | 2.5ft (0.8m) 14s |
| Best Surf | 6AM (Mon 24th Aug) | 2.5ft (0.8m) 14s |
| Most Powerful | 9PM (Wed 26th Aug) | 3ft (0.9m) 15s |
Table - best surf conditions forecast for Barre do Sai over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 18°C on Wed morning, min 14°C on Sun night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 17mm), heaviest on Wed night. Warm (max 23°C on Sat morning, min 17°C on Wed afternoon). Wind will be generally light. | |||||||||||||||||||
Sun 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | ||||||||||||||
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) | SE 13 | SE 14 | SE 14 | SE 16 | SE 14 | SE 13 | SE 13 | SE 16 | SE 16 | SE 15 | SE 15 | SE 14 | SE 13 | ENE 7 | E 7 | E 8 | E 8 | E 8 | ESE 8 | E 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 59 | 147 | 261 | 344 | 198 | 109 | 104 | 73 | 344 | 355 | 370 | 245 | 144 | 161 | 87 | 95 | 112 | 108 | 115 | 92 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross | on | glassy | glassy | glassy | glassy | glassy | cross-on | cross-off | glassy | cross-on | cross-off | cross | cross-on | glassy | cross-on | cross-on | cross |
High Tide | 00:14AM1.02m | 1:07PM1.22m | 00:58AM1.16m | 1:43PM1.32m | 1:35AM1.28m | 2:16PM1.40m | 2:11AM1.39m | 2:50PM1.44m | 2:46AM1.45m | 3:23PM1.45m | 3:22AM1.48m | 3:58PM1.41m | ||||||||
Low Tide | 7:34PM0.49m | 7:20AM0.23m | 7:56PM0.43m | 7:47AM0.13m | 8:15PM0.38m | 8:09AM0.06m | 8:27PM0.35m | 8:27AM0.01m | 8:34PM0.31m | 8:44AM-0.02m | 8:45PM0.28m | 9:03AM-0.01m | 9:03PM0.24m | |||||||
 |  |  | | | | | | |  |  |  | |  |  |  | | | |  | |
 | — | — | 6:35 | — | — | 6:33 | — | — | 6:33 | — | — | 6:31 | — | — | 6:31 | — | — | 6:30 | — | — |
 | 5:58 | — | — | 5:58 | — | — | 5:59 | — | — | 5:59 | — | — | 5:59 | — | — | 6:00 | — | — | 6:00 | — |
mm | — | — | — | — | — | — | — | — | — | 2 | 13 | — | — | — | 1 | 1 | — | — | — | 3 |
Temp °C | 16 | 16 | 15 | 16 | 15 | 15 | 16 | 16 | 18 | 18 | 18 | 21 | 22 | 19 | 21 | 22 | 20 | 23 | 23 | 20 |
Feels °C | 14 | 14 | 14 | 15 | 14 | 15 | 16 | 17 | 19 | 19 | 20 | 22 | 24 | 22 | 22 | 23 | 23 | 25 | 25 | 22 |
Swell 1 Height (m) Direction Period (s) | SE 13 | SE 14 | SE 14 | SE 16 | SE 14 | SE 13 | SE 13 | SE 12 | SE 16 | SE 15 | SE 15 | SE 14 | SE 13 | E 7 | E 7 | E 8 | E 8 | E 8 | ESE 8 | E 8 |
| kJ | 59 | 147 | 261 | 344 | 198 | 109 | 104 | 73 | 344 | 355 | 370 | 245 | 144 | 44 | 87 | 95 | 112 | 108 | 115 | 92 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 6 | ENE 4 | ENE 5 | ENE 5 | E 6 | E 6 | E 6 | SE 13 | SE 12 | SE 11 | SSE 11 | SE 10 | SE 10 | SE 10 |
| kJ | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 7 | 10 | 16 | 18 | 30 | 104 | 51 | 20 | 12 | 4 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SE 16 | — | SE 18 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 68 | — | 50 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 4 | SE 4 | — | — | — | — | ENE 3 | ENE 4 | — | — | — | — | — | ENE 7 | — | — | — | — | SSE 3 | S 3 |
| kJ | 5 | 6 | — | — | — | — | 1 | 7 | — | — | — | — | — | 161 | — | — | — | — | 6 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 155 | 59 | 27 | 66 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 27 | 0 | 13 | 24 | 0 | 87 | 167 | 27 |
Best forecast wave conditions in Santa Catarina - Norte | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
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Information about the Barre do Sai Surf forecast
The above surf forecast table for Barre do Sai provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Barre do Sai can be found by selecting the local surf guide option on the grey menu. Our Barre do Sai 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 (Barre do Sai) 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 Barre do Sai 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.
Barre do Sai is 13 km (8 miles) from Guaratuba. If you plan a holiday in Santa Catarina - Norte, look for hotels and other accommodation in Guaratuba. Guaratuba has rooms for a wide range of budgets as well as car hire and transport links.
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