- 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 2 am Wednesday 13 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
16.7° C
(Which is 1.3°C colder than average for this time of year)How big are the waves at Cassino today?
The current surf forecast for Cassino at 10AM is: 1.0m 11s primary swell from a South direction and 0.1m 16s secondary swell from a Southeast direction (forecast issued at 02:00am May 13). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 3.5ft (1.0m) | 11s |
| Afternoon (13 May) | 4.5ft (1.4m) | 12s |
| Evening (13 May) | 4.5ft (1.4m) | 13s |
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 16°C on Wed afternoon, min 11°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 13 | Thursday 14 | Friday 15 | ||||||||||||||||||||||
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 | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SSE 12 | SSE 12 | SSE 12 | S 11 | SSE 11 | SSE 12 | SSE 12 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | |
283 | 226 | 232 | 257 | 349 | 503 | 585 | 633 | 585 | 467 | 393 | 380 | 374 | 374 | 320 | 249 | 236 | 180 | 176 | 176 | 180 | 149 | 149 | 146 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | off | cross-off | cross-on | cross-on | on | |
High Tide | 12:48PM0.33m | 2:19AM0.39m | 4:13AM0.39m | 1:20PM0.37m | 2:14AM0.29m | 6:21AM0.35m | 1:54PM0.40m | 6:13PM0.39m | ||||||||||||||||
Low Tide | 8:45AM0.19m | 8:33PM0.07m | 3:45AM0.39m | 9:18AM0.19m | 9:41PM0.07m | 3:08AM0.29m | 9:55AM0.20m | 4:12PM0.36m | ||||||||||||||||
 | | |  |  | |  | |  | | | | | | | | | | | | | | | | |
 | — | — | 7:07 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — |
 | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:38 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 11 | 11 | 12 | 15 | 16 | 15 | 15 | 14 | 13 | 12 | 12 | 13 | 14 | 14 | 14 | 13 | 12 | 11 | 11 | 14 | 14 | 14 | 14 |
8 | 7 | 8 | 10 | 13 | 14 | 13 | 13 | 12 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 10 | 9 | 10 | 13 | 12 | 12 | 12 | |
Swell 1 Height (m) Direction Period (s) | SSE 12 | SSE 12 | SSE 12 | S 11 | SSE 11 | SSE 12 | SSE 12 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 |
 kJ | 283 | 226 | 232 | 257 | 349 | 503 | 585 | 633 | 585 | 467 | 393 | 380 | 374 | 374 | 320 | 249 | 236 | 180 | 176 | 176 | 180 | 149 | 149 | 146 |
Swell 2 Height (m) Direction Period (s) | E 10 | SE 16 | SE 16 | SE 16 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | SE 14 | SE 14 | E 9 | E 9 | E 9 | E 9 | E 9 |
| kJ | 2 | 10 | 10 | 10 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 8 | 7 | 2 | 2 | 2 | 2 | 1 |
Swell 3 Height (m) Direction Period (s) | — | E 10 | E 10 | E 10 | SE 15 | SE 15 | E 10 | E 10 | E 10 | E 10 | SE 14 | SE 14 | — | — | E 9 | E 13 | E 13 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | SE 13 |
| kJ | — | 2 | 2 | 2 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | — | — | 7 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 7 |
Wind waves Height (m) Direction Period (s) | W 4 | WSW 4 | W 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 17 | 21 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 9 | 235 | 9 | 9 | 9 | 210 | 235 | 224 | 9 | 9 | 9 | 9 | 9 | 278 | 235 | 235 | 9 | 9 | 9 | 235 | 240 | 240 | 238 |
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