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Cassino Surf Forecast
/ Rio Grande Do Sul (19 surf breaks) /
Surf Forecasts:
Cassino surfForecast / Rio Grande Do Sul / Brazil
48hr Weather and Surf, issued 8 pm Monday 20 Apr 2026 -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
22.6° C
(Which is 2.3°C warmer than normal for this time of year)How big are the waves at Cassino today?
The current surf forecast for Cassino at 4AM is: 0.8m 10s primary swell from a Southeast direction and 0.3m 6s secondary swell from a South direction, 0.6m 4s secondary swell from a East direction (forecast issued at 08:00pm April 20). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 2.5ft (0.7m) | 10s |
| Afternoon (21 Apr) | 2.5ft (0.7m) | 10s |
| Evening (21 Apr) | 2ft (0.6m) | 10s |
Table - waves today at Cassino. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Mon 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| 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) (?) | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 172 | 169 | 163 | 132 | 129 | 106 | 104 | 104 | 102 | 79 | 79 | 79 | 55 | 46 | 44 | 42 | 41 | 54 | 21 | 20 | 44 | 40 | 38 | 38 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- off | cross- off | cross | cross- off | cross | cross- off | cross | cross | cross | cross- on | cross- on |
High Tide / height (m) | 4:13PM 0.35 | 10:30PM 0.63 | 11:30AM 0.32 | 5:02PM 0.31 | 11:21PM 0.68 | 12:16PM 0.30 | 6:02PM 0.26 | 12:13AM 0.70 | 1:01PM 0.28 | |||||||||||||||
Low Tide / height (m) | 6:31PM 0.29 | 7:13AM -0.11 | 2:10PM 0.22 | 7:01PM 0.27 | 8:00AM -0.11 | 3:08PM 0.19 | 7:26PM 0.25 | 8:50AM -0.07 | ||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:54 | - | - |
| Sunset | 6:01 | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | 5:59 | - | - | - | - | - | - | - | 5:58 |
 |  | | | | |  |  | |  | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 23 | 22 | 21 | 21 | 20 | 20 | 20 | 24 | 25 | 22 | 20 | 19 | 19 | 18 | 19 | 19 | 19 |
| Feels °C (?) | 21 | 21 | 21 | 22 | 21 | 21 | 22 | 23 | 23 | 21 | 22 | 21 | 21 | 21 | 26 | 26 | 22 | 20 | 18 | 17 | 16 | 18 | 18 | 17 |
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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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