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Surf Forecasts:
Prainha surfForecast / Santa Catarina – Norte / Brazil
48hr Weather and Surf, issued 8 am Thursday 11 Dec 2025 -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
24.1° C
(Which is normal for this time of year)How big are the waves at Prainha today?
The current surf forecast for Prainha at 11AM is: 2.2m 12s primary swell from a South-southeast direction and 1.1m 10s secondary swell from a East-northeast direction (forecast issued at 08:00am December 11). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 6.5ft (2.0m) | 12s |
| Afternoon (11 Dec) | 8ft (2.4m) | 12s |
| Evening (11 Dec) | 7.5ft (2.3m) | 12s |
Table - waves today at Prainha. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 909 | 1175 | 1485 | 1676 | 1622 | 1468 | 1302 | 1083 | 933 | 731 | 631 | 478 | 469 | 396 | 338 | 286 | 281 | 240 | 218 | 186 | 186 | 151 | 148 | 186 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross | cross | glass | cross | cross | cross- off | cross- on | on | cross- on | cross- on | cross- off | cross- on | cross | cross- on | glass | cross- on | on | cross- on | cross- on | glass | glass |
High Tide / height (m) | 7:00AM 0.61 | 12:27PM 0.61 | 6:02PM 0.69 | 8:12AM 0.60 | 11:43AM 0.58 | 7:31PM 0.65 | 9:33AM 0.62 | 9:29PM 0.66 | ||||||||||||||||
Low Tide / height (m) | 9:31AM 0.57 | 2:27PM 0.60 | 2:34AM 0.32 | 11:04AM 0.58 | 3:26PM 0.53 | 3:42AM 0.35 | 4:18PM 0.45 | |||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| Sunrise | 5:11 | - | - | - | - | - | - | - | 5:11 | - | - | - | - | - | - | - | 5:11 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:02 | - | - | - |
 | | | | |  | | | | |  |  | |  |  | | | | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 25 | 29 | 28 | 25 | 22 | 20 | 19 | 19 | 24 | 27 | 25 | 24 | 22 | 21 | 21 | 21 | 21 | 22 | 23 | 24 | 22 | 22 | 22 |
| Feels °C (?) | 18 | 22 | 26 | 26 | 26 | 24 | 21 | 20 | 20 | 24 | 26 | 26 | 25 | 23 | 21 | 21 | 22 | 23 | 24 | 25 | 26 | 25 | 25 | 25 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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