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Barre do Sai surfForecast / Santa Catarina – Norte / Brazil
12 Day Weather and Surf, issued 2 am Saturday 15 Nov 2025 -03
Best Forecast Surf Conditions for Barre do Sai this week:
The surf forecast for Barre do Sai over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Nov 17) at 12AM. The primary swell is predicted to be 1.0m and 6s period with a secondary swell of 0.6m and 6s. Another secondary swell of 0.1m and 10s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Barre do Sai in the next 12 days are 0.7m 17s and forecast to arrive on Thursday (Nov 20) 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 0.5m 3s period and expected on Sunday (Nov 16) at 3PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Mon 17th Nov) | 3.5ft (1.0m) 6s |
| Best Surf | 12AM (Tue 18th Nov) | 5ft (1.6m) 7s |
| Most Powerful | 3PM (Thu 20th Nov) | 2.5ft (0.7m) 17s |
Table - best surf conditions forecast for Barre do Sai over the next 12 days.
Short Range Forecast Heavy rain (total 34mm), heaviest during Mon afternoon. Warm (max 26°C on Sun afternoon, min 18°C on Mon night). Wind will be generally light. | Days 3-6 Weather Summary Moderate rain (total 15mm), heaviest on Tue morning. Warm (max 24°C on Wed morning, min 18°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||
Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 6 | 6 | 6 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 8 | 11 | 10 | 12 | 12 | 19 | 17 | 15 | 14 | 16 | 13 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 7 | 7 | 6 | 8 | 20 | 68 | 20 | 19 | 269 | 35 | 22 | 20 | 37 | 22 | 21 | 122 | 293 | 143 | 47 | 38 | 99 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- on | cross- off | glass | cross | cross- off | glass | cross- on | cross- off | cross- off | cross- on | glass | glass | on | cross- on | glass | cross- on | cross- off | glass | cross- on | cross- on |
High Tide / height (m) | 11:49AM 1.14 | 11:54PM 1.20 | 12:25PM 1.20 | 12:38AM 1.28 | 12:58PM 1.24 | 1:18AM 1.34 | 1:30PM 1.25 | 1:56AM 1.37 | 2:01PM 1.24 | 2:33AM 1.37 | 2:33PM 1.22 | 3:10AM 1.35 | 3:05PM 1.18 | ||||||||
Low Tide / height (m) | 6:40PM 0.44 | 6:46AM 0.28 | 6:52PM 0.34 | 7:06AM 0.27 | 7:05PM 0.25 | 7:25AM 0.27 | 7:21PM 0.18 | 7:44AM 0.29 | 7:40PM 0.12 | 8:04AM 0.32 | 8:03PM 0.08 | 8:26AM 0.35 | 8:30PM 0.07 | ||||||||
Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | |||||||||||||||
| Sunrise | 5:16 | - | - | 5:16 | - | - | 5:16 | - | - | 5:16 | - | - | 5:16 | - | - | 5:15 | - | - | 5:15 | - | - |
| Sunset | - | 6:39 | - | - | 6:40 | - | - | 6:42 | - | - | 6:42 | - | - | 6:43 | - | - | 6:44 | - | - | 6:45 | - |
 |  |  | |  |  |  |  |  | |  |  | | | | | |  | | |  | |
Rain (mm) | - | - | - | - | - | 2 | 2 | 16 | 14 | 13 | 2 | - | - | - | - | - | - | - | - | - | 8 |
| Temp. °C | 23 | 23 | 21 | 25 | 26 | 23 | 25 | 22 | 19 | 19 | 21 | 19 | 24 | 24 | 21 | 24 | 24 | 20 | 24 | 22 | 20 |
| Feels °C (?) | 24 | 24 | 23 | 26 | 26 | 24 | 28 | 24 | 19 | 19 | 22 | 21 | 24 | 24 | 22 | 24 | 23 | 19 | 23 | 20 | 17 |
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Barre do Sai surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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 12 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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