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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 Saturday 09 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
20.3° C
(Which is 1.9°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: 0.5m 11s primary swell from a South direction and 0.3m 9s secondary swell from a East direction (forecast issued at 02:00pm May 09). An open ocean swell of 1.1m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 May) | - | - |
| Afternoon (09 May) | 1ft (0.3m) | 11s |
| Evening (09 May) | 2ft (0.6m) | 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 15°C on Tue morning, min 8°C on Sun morning). Winds decreasing (fresh winds from the W on Sat night, light winds from the WNW by Mon night). | ||||||||||||||||||||||||
Sat 9 | Sunday 10 | Monday 11 | Tue 12 | |||||||||||||||||||||
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 11 | SSE 11 | S 11 | S 12 | S 11 | SSE 16 | SSE 16 | SSE 16 | SSE 16 | SSE 15 | SSE 15 | SSE 15 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | |
24 | 24 | 62 | 98 | 125 | 823 | 1224 | 1611 | 1613 | 1471 | 1432 | 1624 | 1875 | 1735 | 1580 | 1690 | 1475 | 1454 | 1299 | 1325 | 1090 | 979 | 979 | 863 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross-off | off | cross-off | |
High Tide | 12:10PM0.18m | 00:09AM0.47m | 11:25AM0.22m | 00:29AM0.49m | 11:45AM0.26m | 1:01AM0.49m | ||||||||||||||||||
Low Tide | 9:18AM0.17m | 3:31PM0.16m | 8:15AM0.19m | 4:36PM0.13m | 8:02AM0.19m | 5:57PM0.10m | 8:18AM0.19m | |||||||||||||||||
 | |  | |  | |  |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — |
 | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:42 | — | — | — | — | — | 5:40 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 13 | 11 | 10 | 10 | 9 | 9 | 8 | 12 | 13 | 12 | 10 | 10 | 9 | 8 | 8 | 12 | 14 | 14 | 12 | 10 | 9 | 9 | 9 |
4 | 5 | 4 | 3 | 2 | 2 | 3 | 1 | 4 | 5 | 5 | 4 | 3 | 3 | 2 | 2 | 6 | 8 | 10 | 8 | 6 | 5 | 5 | 5 | |
Swell 1 Height (m) Direction Period (s) | SSE 11 | SSE 11 | S 11 | S 12 | S 11 | SSE 16 | SSE 16 | SSE 16 | SSE 16 | SSE 15 | SSE 15 | SSE 15 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 13 |
 kJ | 24 | 24 | 62 | 98 | 125 | 823 | 1224 | 1611 | 1613 | 1471 | 1432 | 1624 | 1875 | 1735 | 1580 | 1690 | 1475 | 1454 | 1299 | 1325 | 1090 | 979 | 979 | 863 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 8 | E 9 | E 9 | SSE 17 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
| kJ | 11 | 12 | 15 | 14 | 117 | 6 | 6 | 6 | 6 | 7 | 7 | 6 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | E 10 | E 10 | — | S 18 | E 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 16 | 16 | — | 7 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 4 | W 4 | W 4 | W 4 | WSW 5 | WSW 5 | WSW 5 | W 4 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | WSW 4 | WSW 5 | WSW 5 | WSW 4 | W 4 | W 4 | W 4 | — | W 4 | W 3 | WNW 3 | W 3 |
| kJ | 28 | 42 | 44 | 55 | 63 | 66 | 63 | 39 | 45 | 48 | 48 | 48 | 43 | 54 | 44 | 26 | 17 | 11 | 10 | — | 6 | 3 | 3 | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 515 | 354 | 236 | 235 | 388 | 236 | 354 | 515 | 515 | 545 | 235 | 354 | 293 | 235 | 235 | 235 | 235 | 235 | 210 | 9 | 9 | 9 | 9 | 9 |
Best forecast wave conditions in Rio Grande Do Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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