Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Barra do Sul surfForecast / Santa Catarina – Norte / Brazil
48hr Weather and Surf, issued 8 am Thursday 18 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Barra do Sul surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Barra do Sul sea temperature is
24.9° C
(Which is slightly warmer than usual)How big are the waves at Barra do Sul today?
The current surf forecast for Barra do Sul at 12PM is: 0.5m 8s primary swell from a East direction and 0.3m 6s secondary swell from a Southeast direction (forecast issued at 08:00am December 18). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Dec) | 1.5ft (0.4m) | 8s |
| Afternoon (18 Dec) | 2ft (0.6m) | 8s |
| Evening (18 Dec) | 1ft (0.3m) | 11s |
Table - waves today at Barra do Sul. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| 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) (?) | 11 | 8 | 8 | 8 | 11 | 11 | 11 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 20 | 20 | 31 | 48 | 20 | 19 | 18 | 17 | 23 | 20 | 21 | 31 | 30 | 25 | 39 | 36 | 39 | 29 | 30 | 30 | 37 | 38 | 58 | 98 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | cross- on | cross- on | cross- on | cross- on | cross | cross- off | off | glass | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 1:22PM 0.99 | 2:07AM 1.16 | 1:58PM 1.01 | 2:45AM 1.17 | 2:34PM 1.04 | |||||||||||||||||||
Low Tide / height (m) | 7:36AM 0.40 | 7:16PM 0.14 | 7:59AM 0.40 | 7:44PM 0.10 | 8:19AM 0.41 | 8:15PM 0.08 | ||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| Sunrise | 5:16 | - | - | - | - | - | - | - | 5:16 | - | - | - | - | - | - | - | 5:16 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:06 | - | - | - |
 | |  | | |  |  |  |  | | | | | | | | | | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - |
| Temp. °C | 19 | 21 | 24 | 24 | 23 | 22 | 21 | 20 | 20 | 23 | 26 | 26 | 24 | 23 | 23 | 23 | 23 | 24 | 26 | 26 | 24 | 23 | 23 | 23 |
| Feels °C (?) | 19 | 22 | 23 | 22 | 22 | 22 | 22 | 21 | 21 | 25 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 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)
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