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Surf Forecasts:
Cassino surfForecast / Rio Grande Do Sul / Brazil
48hr Weather and Surf, issued 2 pm Thursday 11 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
22.6° C
(Which is 1.4°C warmer than normal for this time of year)How big are the waves at Cassino today?
The current surf forecast for Cassino at 5PM is: 2.1m 11s primary swell from a Southeast direction and 0.6m 11s secondary swell from a East direction (forecast issued at 02:00pm December 11). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | - | - |
| Afternoon (11 Dec) | 7ft (2.2m) | 12s |
| Evening (11 Dec) | 6ft (1.8m) | 11s |
Table - waves today at Cassino. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 6 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1380 | 1247 | 947 | 802 | 659 | 533 | 460 | 369 | 324 | 284 | 284 | 222 | 188 | 185 | 160 | 141 | 144 | 141 | 117 | 92 | 92 | 74 | 55 | 53 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | glass | glass | cross- off | off | off | off | cross- off | glass | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- on | on | cross- on | cross- on | cross- on | cross- on | on | on |
High Tide / height (m) | 1:13PM 0.56 | 1:51AM 0.28 | 7:23AM 0.24 | 2:11PM 0.48 | 2:49AM 0.31 | 8:50AM 0.25 | 3:10PM 0.41 | 8:45PM 0.26 | 3:45AM 0.33 | |||||||||||||||
Low Tide / height (m) | 9:53PM 0.06 | 4:52AM 0.20 | 9:34AM 0.21 | 10:50PM 0.13 | 6:11AM 0.21 | 10:50AM 0.23 | 7:29PM 0.25 | 11:59PM 0.20 | 7:18AM 0.21 | |||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - |
| Sunset | - | - | 7:28 | - | - | - | - | - | - | - | 7:29 | - | - | - | - | - | - | - | 7:29 | - | - | - | - | - |
 | | |  | |  |  |  | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 25 | 25 | 21 | 20 | 19 | 19 | 21 | 26 | 28 | 27 | 23 | 22 | 20 | 20 | 25 | 27 | 27 | 25 | 23 | 22 | 21 | 21 | 23 |
| Feels °C (?) | 20 | 22 | 26 | 22 | 20 | 19 | 19 | 23 | 26 | 29 | 29 | 24 | 22 | 20 | 20 | 26 | 27 | 26 | 25 | 23 | 23 | 22 | 22 | 23 |
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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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