- Forecast
- Maps
- Live
- Weather State
- Spot Information
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 16 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
15.7° C
(Which is 2.0°C colder than average for this time of year)How big are the waves at Cassino today?
The current surf forecast for Cassino at 2PM is: 0.8m 10s primary swell from a South-southeast direction and 0.1m 8s secondary swell from a East direction (forecast issued at 08:00am May 16). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 2.5ft (0.8m) | 10s |
| Afternoon (16 May) | 2.5ft (0.8m) | 11s |
| Evening (16 May) | 3ft (0.9m) | 10s |
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 15°C on Sat morning, min 10°C on Mon night). Winds increasing (calm on Sat morning, fresh winds from the SSW by Sun afternoon). | ||||||||||||||||||||||||
Saturday 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 10 | SSE 10 | SSE 10 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | S 4 | S 5 | S 6 | S 6 | S 7 | S 7 | S 8 | S 8 | S 9 | S 9 | SSE 13 | SSE 13 | SSE 17 | SSE 16 | |
118 | 121 | 125 | 128 | 128 | 158 | 82 | 58 | 143 | 163 | 35 | 63 | 163 | 187 | 173 | 159 | 168 | 181 | 189 | 341 | 418 | 461 | 1217 | 1165 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | glassy | glassy | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | off | |
High Tide | 7:31AM0.33m | 2:28PM0.42m | 7:20PM0.49m | 1:55AM0.14m | 8:31AM0.31m | 3:03PM0.41m | 8:18PM0.58m | 9:25AM0.29m | 3:40PM0.39m | 9:14PM0.66m | ||||||||||||||
Low Tide | 3:52AM0.17m | 10:35AM0.20m | 4:24PM0.38m | 11:56PM0.10m | 4:39AM0.05m | 11:17AM0.19m | 4:50PM0.38m | 5:26AM-0.04m | 12:03PM0.18m | 5:23PM0.36m | ||||||||||||||
 |  | |  |  | | | | | | | | | | | | | |  | | |  | | | |
 | 7:11 | — | — | — | — | — | — | — | 7:11 | — | — | — | — | — | — | — | 7:11 | — | — | — | — | — | — | 7:13 |
 | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | 5:37 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 12 | 15 | 15 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 13 | 13 | 12 | 12 | 12 | 11 | 13 | 14 | 14 | 13 | 13 | 11 |
9 | 12 | 14 | 13 | 12 | 12 | 13 | 13 | 11 | 11 | 11 | 9 | 7 | 7 | 7 | 8 | 8 | 7 | 9 | 10 | 11 | 11 | 12 | 8 | |
Swell 1 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SSE 10 | SSE 11 | SSE 11 | E 8 | SSE 10 | SSE 10 | E 8 | SE 12 | S 16 | — | E 12 | E 7 | SSE 13 | SSE 13 | SE 16 | SE 16 | E 7 | S 9 | SSE 13 | SSE 13 | SSE 17 | SSE 16 |
 kJ | 118 | 121 | 125 | 128 | 128 | 1 | 82 | 58 | 1 | 6 | 5 | — | 3 | 1 | 18 | 17 | 10 | 10 | 1 | 217 | 418 | 461 | 1217 | 1165 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 12 | E 8 | E 12 | SE 12 | E 7 | E 7 | — | — | — | — | E 7 | S 22 | SSE 20 | SE 19 | — | — |
| kJ | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 1 | 3 | 6 | 1 | 1 | — | — | — | — | 1 | 9 | 41 | 177 | — | — |
Swell 3 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | — | — | — | E 12 | S 18 | SE 12 | — | E 8 | E 7 | E 12 | — | SE 16 | — | — | — | E 7 | — | — | — | — |
| kJ | 1 | 1 | 1 | 1 | — | — | — | 3 | 7 | 6 | — | 1 | 1 | 3 | — | 10 | — | — | — | 1 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SSE 10 | SSE 4 | SSE 4 | SSE 10 | SSE 10 | S 4 | S 5 | S 6 | S 6 | S 7 | S 7 | S 8 | S 8 | S 9 | S 9 | — | — | — | — |
| kJ | — | — | — | — | — | 158 | 7 | 5 | 143 | 163 | 35 | 63 | 163 | 187 | 173 | 159 | 168 | 181 | 189 | 341 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 9 | 9 | 278 | 320 | 278 | 236 | 236 | 336 | 274 | 293 | 336 | 515 | 515 | 210 | 210 | 210 | 210 | 210 | 210 | 210 | 210 | 9 | 9 |
Best forecast wave conditions in Rio Grande Do Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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.
Nearest