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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 am Saturday 23 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
14.6° C
(Which is 2.5°C colder than average for this time of year)How big are the waves at Cassino today?
The current surf forecast for Cassino at 11AM is: 0.9m 11s primary swell from a South-southeast direction and 0.1m 10s secondary swell from a East direction, 0.6m 4s secondary swell from a South-southeast direction (forecast issued at 08:00am May 23). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 May) | 4.5ft (1.4m) | 11s |
| Afternoon (23 May) | 3.5ft (1.0m) | 11s |
| Evening (23 May) | 3ft (0.9m) | 11s |
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 18°C on Mon morning, min 14°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 23 | Sunday 24 | Monday 25 | Tue 26 | |||||||||||||||||||||
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 | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
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 | SE 18 | SSE 17 | SSE 16 | SE 15 | SE 15 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | |
583 | 439 | 183 | 218 | 180 | 164 | 125 | 114 | 111 | 86 | 85 | 83 | 50 | 47 | 50 | 112 | 171 | 242 | 217 | 204 | 136 | 111 | 77 | 70 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | glassy | glassy | cross-on | on | on | on | on | cross-on | on | on | on | on | on | on | on | glassy | off | |
High Tide | 1:33PM0.26m | 7:49PM0.22m | 1:55AM0.57m | 2:31PM0.27m | 2:56AM0.49m | 3:33PM0.29m | 10:14PM0.26m | |||||||||||||||||
Low Tide | 9:40AM0.02m | 4:40PM0.15m | 8:48PM0.22m | 10:41AM0.09m | 5:48PM0.17m | 9:48PM0.24m | 11:54AM0.15m | 6:54PM0.18m | 11:58PM0.25m | |||||||||||||||
 |  | | | | |  |  | |  | | | | | | | | | |  | | | | | |
 | 7:15 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | 7:16 |
 | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:34 | — | — | — | — | — | — | — | 5:34 | — | — | — | 5:32 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 15 | 15 | 15 | 16 | 17 | 16 | 16 | 16 | 16 | 16 | 17 | 18 | 18 | 17 | 17 | 17 | 16 |
12 | 12 | 13 | 13 | 14 | 15 | 15 | 15 | 15 | 14 | 13 | 14 | 14 | 14 | 15 | 14 | 14 | 16 | 16 | 17 | 16 | 17 | 19 | 17 | |
Swell 1 Height (m) Direction Period (s) | 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 | SE 15 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | E 5 |
 kJ | 583 | 439 | 183 | 218 | 180 | 164 | 125 | 114 | 111 | 86 | 85 | 83 | 50 | 47 | 47 | 47 | 171 | 242 | 217 | 204 | 136 | 111 | 77 | 11 |
Swell 2 Height (m) Direction Period (s) | — | — | E 10 | E 10 | E 9 | E 9 | — | ENE 4 | ENE 4 | ENE 4 | E 9 | NE 5 | S 19 | SE 19 | SE 18 | SSE 17 | SSE 9 | SSE 9 | SSE 9 | — | — | E 7 | E 5 | SSE 11 |
| kJ | — | — | 2 | 2 | 2 | 2 | — | 1 | 1 | 2 | 1 | 7 | 7 | 14 | 50 | 112 | 47 | 32 | 31 | — | — | 4 | 11 | 70 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | E 9 | E 9 | E 9 | — | E 9 | — | — | — | — | — | — | — | — | — | — | E 7 | E 7 |
| kJ | — | — | — | — | — | — | — | 2 | 2 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | 4 | 1 |
Wind waves Height (m) Direction Period (s) | SSE 12 | SSE 11 | SSE 4 | — | — | NE 4 | ENE 4 | — | — | — | E 5 | ENE 5 | E 3 | ENE 3 | ENE 3 | E 3 | E 3 | E 4 | E 4 | E 4 | E 4 | E 4 | — | — |
| kJ | 324 | 297 | 9 | — | — | 1 | 1 | — | — | — | 4 | 5 | 1 | 3 | 3 | 5 | 6 | 10 | 12 | 9 | 9 | 12 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 235 | 235 | 235 | 235 | 278 | 240 | 240 | 224 | 240 | 240 | 240 | 240 | 240 | 240 | 240 | 238 | 224 | 210 | 210 | 224 | 240 | 240 | 240 | 240 |
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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