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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 Friday 15 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
15.6° C
(Which is 2.2°C colder than average for this time of year)How big are the waves at Cassino today?
The current surf forecast for Cassino at 12PM is: 0.9m 10s primary swell from a South-southeast direction and 0.1m 9s secondary swell from a East direction (forecast issued at 08:00am May 15). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 3ft (0.9m) | 10s |
| Afternoon (15 May) | 3ft (0.9m) | 10s |
| Evening (15 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 16°C on Sat morning, min 11°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 4 | SSE 5 | S 5 | S 5 | S 5 | SSE 6 | SSE 6 | |
218 | 176 | 180 | 146 | 146 | 146 | 146 | 146 | 118 | 121 | 125 | 128 | 176 | 210 | 216 | 178 | 175 | 42 | 54 | 54 | 43 | 47 | 122 | 146 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross-on | on | on | cross-on | glassy | glassy | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 6:21AM0.35m | 1:54PM0.40m | 6:13PM0.39m | 1:59AM0.19m | 7:31AM0.33m | 2:28PM0.42m | 7:20PM0.49m | 1:55AM0.14m | 8:31AM0.31m | 3:03PM0.41m | 8:18PM0.58m | |||||||||||||
Low Tide | 3:08AM0.29m | 9:55AM0.20m | 4:12PM0.36m | 10:47PM0.08m | 3:52AM0.17m | 10:35AM0.20m | 4:24PM0.38m | 11:56PM0.10m | 4:39AM0.05m | 11:17AM0.19m | 4:50PM0.38m | |||||||||||||
 |  | | | | | | |  |  | | | | | | | | | | | | | | | |
 | 7:09 | — | — | — | — | — | — | — | 7:11 | — | — | — | — | — | — | — | 7:11 | — | — | — | — | — | — | 7:11 |
 | — | — | — | 5:38 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | 5:37 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 11 | 13 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
9 | 9 | 11 | 12 | 11 | 11 | 11 | 12 | 12 | 13 | 15 | 13 | 12 | 12 | 12 | 13 | 14 | 11 | 11 | 11 | 10 | 11 | 10 | 10 | |
Swell 1 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 11 | E 8 | E 8 | E 8 | E 8 | ENE 4 | ENE 5 | ENE 5 | E 5 | E 5 | E 5 | E 5 | ENE 6 |
 kJ | 218 | 176 | 180 | 146 | 146 | 146 | 146 | 146 | 118 | 121 | 125 | 128 | 1 | 1 | 1 | 1 | 2 | 4 | 8 | 8 | 13 | 13 | 8 | 7 |
Swell 2 Height (m) Direction Period (s) | SE 14 | SE 14 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 4 | E 8 | E 8 | SE 12 | SE 12 | E 12 | S 9 | — | — |
| kJ | 7 | 7 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 6 | 6 | 3 | 45 | — | — |
Swell 3 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | — | E 8 | SE 12 | E 8 | E 8 | SE 12 | SE 12 | SE 12 | SSE 15 | — | — |
| kJ | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | 1 | 6 | 1 | 1 | 6 | 6 | 5 | 21 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SE 2 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 4 | SSE 5 | S 5 | S 5 | S 5 | SSE 6 | SSE 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 1 | 176 | 210 | 216 | 178 | 175 | 42 | 54 | 54 | 43 | 47 | 122 | 146 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 210 | 9 | 210 | 210 | 240 | 210 | 210 | 210 | 9 | 210 | 210 | 320 | 544 | 362 | 320 | 278 | 278 | 303 | 274 | 293 | 336 | 515 | 515 | 515 |
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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