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:
Cassino surfForecast / Rio Grande Do Sul / Brazil
48hr Weather and Surf, issued 8 pm Tuesday 30 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Cassino surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cassino sea temperature is
25.0° C
(Which is 2.5°C warmer than normal for this time of year)How big are the waves at Cassino today?
The current surf forecast for Cassino at 2AM is: 0.9m 13s primary swell from a South-southeast direction and 0.7m 4s secondary swell from a Northeast direction (forecast issued at 08:00pm December 30). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Dec) | 2.5ft (0.8m) | 12s |
| Afternoon (31 Dec) | 2ft (0.6m) | 12s |
| Evening (31 Dec) | 1.5ft (0.5m) | 11s |
Table - waves today at Cassino. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tue 30 | Wednesday 31 | Thursday 01 | Friday 02 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 5 | 6 | 10 | 10 | 10 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 568 | 413 | 290 | 265 | 183 | 169 | 125 | 106 | 74 | 73 | 66 | 44 | 43 | 42 | 38 | 31 | 92 | 44 | 57 | 57 | 200 | 179 | 346 | 135 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross | cross- off | cross- off | cross- on | on | on | cross- on | cross | cross- off | cross- off | off | cross- off | cross | cross | cross- on | glass | glass | glass | cross- off | cross | cross |
High Tide / height (m) | 3:44PM 0.37 | 3:42AM 0.50 | 5:00PM 0.31 | 4:53AM 0.56 | 12:45PM 0.13 | 6:09PM 0.26 | 6:03AM 0.61 | 12:47PM 0.14 | ||||||||||||||||
Low Tide / height (m) | 8:05PM 0.15 | 9:15AM 0.06 | 8:42PM 0.12 | 10:09AM 0.07 | 2:30PM 0.11 | 9:22PM 0.10 | 11:01AM 0.11 | |||||||||||||||||
Tue 30 | Wednesday 31 | Thursday 01 | Friday 02 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:24 | - | - | - | - | - | - | - | 5:24 | - | - | - | - | - | - | - | 5:26 | - | - | - |
| Sunset | 7:37 | - | - | - | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:37 | - | - | - | - | - | - | - |
 |  | | | | | | | | | | | | | | |  |  | |  |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - |
| Temp. °C | 26 | 23 | 21 | 21 | 20 | 23 | 28 | 27 | 26 | 23 | 23 | 22 | 22 | 27 | 32 | 26 | 23 | 22 | 22 | 21 | 21 | 23 | 25 | 21 |
| Feels °C (?) | 25 | 23 | 21 | 21 | 21 | 24 | 30 | 27 | 27 | 24 | 24 | 24 | 23 | 27 | 30 | 24 | 21 | 20 | 25 | 24 | 24 | 23 | 24 | 16 |
- 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Cassino 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.
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