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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 2 pm Friday 22 May 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
14.9° C
(Which is 2.3°C colder than average for this time of year)How big are the waves at Cassino today?
The current surf forecast for Cassino at 8PM is: 1.7m 12s primary swell from a South-southeast direction and 1.3m 12s secondary swell from a South-southeast direction (forecast issued at 02:00pm May 22). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | - | - |
| Afternoon (22 May) | 5ft (1.6m) | 13s |
| Evening (22 May) | 5.5ft (1.7m) | 12s |
Table - waves today at Cassino. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 17°C on Sun morning, min 13°C on Fri afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Fri 22 | Saturday 23 | Sunday 24 | Mon 25 | |||||||||||||||||||||
12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SE 17 | SSE 16 | SE 15 | |
679 | 838 | 628 | 807 | 429 | 336 | 324 | 251 | 242 | 200 | 200 | 164 | 125 | 114 | 86 | 86 | 85 | 74 | 50 | 47 | 47 | 73 | 171 | 242 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | on | on | on | on | on | on | on | on | on | |
High Tide | 12:41PM0.25m | 6:37PM0.23m | 00:57AM0.64m | 1:33PM0.26m | 7:49PM0.22m | 1:55AM0.57m | 2:31PM0.27m | 2:56AM0.49m | ||||||||||||||||
Low Tide | 3:35PM0.14m | 8:04PM0.21m | 9:40AM0.02m | 4:40PM0.15m | 8:48PM0.22m | 10:41AM0.09m | 5:48PM0.17m | 9:48PM0.24m | ||||||||||||||||
 |  |  | | |  | | | | |  | | | | |  | | | | | | | | | |
 | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — |
 | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:34 | — | — | — | — | — | 5:34 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 13 | 13 | 13 | 14 | 14 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 16 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 |
10 | 10 | 10 | 10 | 12 | 12 | 13 | 13 | 14 | 13 | 15 | 15 | 15 | 14 | 14 | 15 | 15 | 14 | 14 | 14 | 15 | 14 | 15 | 15 | |
Swell 1 Height (m) Direction Period (s) | SSE 13 | SSE 13 | — | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 16 | SE 15 |
 kJ | 679 | 838 | — | 807 | 429 | 336 | 324 | 251 | 242 | 200 | 200 | 164 | 125 | 114 | 86 | 86 | 85 | 74 | 50 | 47 | 47 | 47 | 171 | 242 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | E 10 | E 10 | E 9 | E 9 | — | — | ENE 4 | ENE 6 | ENE 6 | NE 6 | S 19 | SE 19 | SSE 18 | SE 17 | SSE 9 | SSE 9 |
| kJ | — | — | — | — | — | — | — | — | 2 | 2 | 2 | 2 | — | — | 2 | 12 | 12 | 16 | 7 | 14 | 31 | 73 | 47 | 46 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 8 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SSE 12 | SSE 12 | — | — | — | — | — | NE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | — | ENE 4 | — | ENE 5 | E 4 | E 3 | E 4 | E 4 | E 4 | E 8 |
| kJ | — | — | 628 | 517 | — | — | — | — | — | 1 | 3 | 2 | 2 | 2 | — | 4 | — | 6 | 6 | 5 | 7 | 7 | 7 | 29 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 235 | 515 | 235 | 354 | 278 | 235 | 235 | 278 | 320 | 286 | 240 | 240 | 240 | 210 | 210 | 210 | 240 | 240 | 240 | 238 | 210 | 210 | 210 | 210 |
Best forecast wave conditions in Rio Grande Do Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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