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Prainha Surf Forecast
/ Santa Catarina – Norte (41 surf breaks) /
Surf Forecasts:
Prainha surfForecast / Santa Catarina – Norte / Brazil
16 Day Weather and Surf, issued 2 pm Saturday 18 Apr 2026 -03Forecast update in hr min s Forecast update imminent
Prainha surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Prainha sea temperature is
26.0° C
(Which is 1.9°C warmer than normal for this time of year)Best Forecast Surf Conditions for Prainha this week:
The surf forecast for Prainha over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Apr 19) at 3AM. The primary swell is predicted to be 0.5m and 9s period with a secondary swell of 0.8m and 5s. Another secondary swell of 0.2m and 9s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Prainha in the next 16 days are 0.8m 10s and forecast to arrive on Sunday (Apr 19) at 6AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 6s period and expected on Saturday (Apr 25) at 6AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Sun 19th Apr) | 1.5ft (0.5m) 9s |
| Best Surf | 3AM (Sun 19th Apr) | 1.5ft (0.5m) 9s |
| Most Powerful | 6AM (Sun 19th Apr) | 2.5ft (0.8m) 10s |
Table - best surf conditions forecast for Prainha over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Mostly dry. Warm (max 26°C on Sat afternoon, min 22°C on Sat night). Wind will be generally light. | Days 3-6 Weather Summary Mostly dry. Warm (max 23°C on Tue afternoon, min 19°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |||
Rating (10 max) | |||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 10 | 9 | 9 | 10 | 11 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 6 | ||
Wave (?)Graph  | |||||||||||||||||||||||
 kJ (?) | 58 | 78 | 81 | 76 | 75 | 60 | 76 | 73 | 67 | 67 | 64 | 46 | 29 | 29 | 28 | 17 | 16 | 10 | 14 | 22 | 60 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | glass | on | cross- on | glass | on | on | glass | on | cross- on | cross- off | on | cross- on | cross | cross- on | cross- on | cross | on | glass | glass | ||
High Tide / height (m) | 3:47PM 1.40 | 3:58AM 1.10 | 4:33PM 1.31 | 4:31AM 0.99 | 5:25PM 1.18 | 5:04AM 0.88 | 6:28PM 1:43AM 1.05 0.89 | 5:49AM 0.80 | 7:44PM 1:59AM 0.96 0.94 | 7:11AM 0.75 | 2:48PM 0.53 | 9:13PM 2:15AM 0.93 0.95 | 8:44AM 0.78 | 2:27PM 0.50 | 10:35PM 1:57AM 0.97 0.92 | 10:05AM 0.88 | |||||||
Low Tide / height (m) | 9:01PM 0.27 | 8:56AM 0.10 | 9:25PM 0.40 | 9:26AM 0.10 | 9:51PM 0.53 | 10:01AM 0.15 | 10:19PM 0.66 | 4:39AM 10:42AM 0.79 0.24 | 10:52PM 0.76 | 5:36AM 11:35AM 0.73 0.37 | 4:31PM 0.50 | 11:36PM 0.86 | 6:07AM 0.67 | 1:01PM 5:27PM 0.48 0.39 | 1:17AM 0.92 | 6:32AM 0.62 | |||||||
Sat 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||
| Sunrise | - | - | 6:31 | - | - | 6:31 | - | - | 6:31 | - | - | 6:33 | - | - | 6:33 | - | - | 6:33 | - | - | 6:33 | ||
| Sunset | 5:54 | - | - | 5:53 | - | - | 5:52 | - | - | 5:52 | - | - | 5:51 | - | - | 5:50 | - | - | 5:50 | - | - | ||
 |  | | |  |  | | | | | | | | | | | | | |  |  | |||
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 6 | 3 | ||
| Temp. °C | 26 | 24 | 23 | 24 | 23 | 23 | 23 | 23 | 22 | 23 | 23 | 22 | 23 | 23 | 22 | 23 | 23 | 22 | 24 | 23 | 21 | ||
| Feels °C (?) | 25 | 26 | 24 | 24 | 24 | 26 | 24 | 25 | 25 | 24 | 24 | 23 | 24 | 23 | 23 | 23 | 23 | 23 | 26 | 24 | 24 | ||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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 Prainha 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 Prainha Surf forecast
The above surf forecast table for Prainha provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Prainha can be found by selecting the local surf guide option on the grey menu. Our Prainha 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 (Prainha) 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 Prainha 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.
Prainha is 14 km (9 miles) from Sao Francisco do Sul. If you plan a holiday in Santa Catarina - Norte, look for hotels and other accommodation in Sao Francisco do Sul. Sao Francisco do Sul has rooms for a wide range of budgets as well as car hire and transport links.
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