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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 am 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 7AM is: 0.4m 12s primary swell from a Southeast direction and 0.3m 9s secondary swell from a East direction (forecast issued at 02:00am May 09). An open ocean swell of 1.0m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 May) | 1.5ft (0.4m) | 12s |
| 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 14°C on Mon afternoon, min 7°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||||||
Saturday 9 | Sunday 10 | Monday 11 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SE 12 | SE 12 | SE 12 | SE 12 | SSE 11 | SSE 11 | SSE 11 | S 12 | S 12 | SSE 16 | SSE 16 | SSE 16 | SSE 15 | SSE 15 | SSE 15 | SSE 15 | SSE 15 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | |
37 | 37 | 35 | 34 | 24 | 23 | 47 | 98 | 213 | 1064 | 1484 | 1654 | 1572 | 1452 | 1413 | 1413 | 1758 | 1828 | 1602 | 1559 | 1600 | 1496 | 1475 | 1357 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross-off | off | off | |
High Tide | 00:08AM0.45m | 12:10PM0.18m | 00:09AM0.47m | 11:25AM0.22m | 00:29AM0.49m | 11:45AM0.26m | ||||||||||||||||||
Low Tide | 9:18AM0.17m | 3:31PM0.16m | 8:15AM0.19m | 4:36PM0.13m | 8:02AM0.19m | 5:57PM0.10m | ||||||||||||||||||
 |  | |  |  | |  | | | | | |  | | | | | | | | | | | | |
 | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — |
 | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:42 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 10 | 8 | 9 | 12 | 12 | 11 | 10 | 10 | 9 | 9 | 9 | 11 | 13 | 13 | 11 | 9 | 8 | 7 | 8 | 12 | 14 | 14 | 13 |
5 | 4 | 2 | 2 | 4 | 4 | 4 | 3 | 4 | 3 | 3 | 3 | 3 | 5 | 6 | 5 | 3 | 2 | 1 | 2 | 6 | 8 | 10 | 9 | |
Swell 1 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 12 | SE 12 | SSW 8 | S 8 | SSE 11 | S 12 | S 12 | SSE 16 | SSE 16 | SSE 16 | SSE 15 | SSE 15 | SSE 15 | SSE 15 | SSE 15 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 |
 kJ | 37 | 37 | 35 | 34 | 21 | 20 | 47 | 98 | 213 | 1064 | 1484 | 1654 | 1572 | 1452 | 1413 | 1413 | 1758 | 1828 | 1602 | 1559 | 1600 | 1496 | 1475 | 1357 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | SSW 8 | SSE 11 | SSE 11 | S 8 | E 9 | SSE 17 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 9 | E 9 | E 9 |
| kJ | 14 | 13 | 14 | 12 | 24 | 23 | 21 | 14 | 115 | 6 | 6 | 6 | 6 | 7 | 6 | 6 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | SSW 7 | S 7 | S 8 | E 9 | E 10 | E 10 | E 9 | S 18 | E 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 10 | 9 | 5 | 14 | 16 | 16 | 15 | 7 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 4 | W 4 | W 4 | W 4 | W 4 | W 4 | W 4 | W 4 | W 4 | WSW 4 | WSW 5 | WSW 4 | WSW 5 | WSW 5 | WSW 5 | WSW 4 | WSW 4 | WSW 4 | WSW 4 | WSW 4 | WSW 4 | WSW 4 | — | WSW 3 |
| kJ | 35 | 35 | 36 | 35 | 35 | 35 | 46 | 58 | 50 | 43 | 48 | 43 | 48 | 40 | 40 | 36 | 32 | 36 | 39 | 26 | 18 | 13 | — | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 293 | 293 | 9 | 375 | 375 | 354 | 354 | 235 | 235 | 236 | 385 | 375 | 432 | 235 | 235 | 235 | 236 | 235 | 235 | 235 | 235 | 235 | 210 | 9 |
Best forecast wave conditions in Rio Grande Do Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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