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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 pm Sunday 24 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
14.3° C
(Which is 2.9°C colder than average for this time of year)How big are the waves at Cassino today?
The current surf forecast for Cassino at 2AM is: 0.4m 17s primary swell from a Southeast direction and 0.5m 9s secondary swell from a South-southeast direction, 0.4m 3s secondary swell from a East-northeast direction (forecast issued at 08:00pm May 24). The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 2.5ft (0.7m) | 16s |
| Afternoon (25 May) | 2.5ft (0.8m) | 13s |
| Evening (25 May) | 2.5ft (0.7m) | 12s |
Table - waves today at Cassino. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Tue morning. Very mild (max 18°C on Mon morning, min 15°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||||
Sun 24 | Monday 25 | Tuesday 26 | Wednesday 27 | |||||||||||||||||||||
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 | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
SSE 9 | SSE 9 | SE 18 | SSE 17 | SSE 16 | SE 16 | SE 15 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | S 11 | ESE 6 | ESE 6 | ESE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | |
78 | 47 | 50 | 112 | 171 | 245 | 217 | 229 | 136 | 125 | 77 | 70 | 47 | 46 | 83 | 58 | 66 | 77 | 77 | 66 | 66 | 66 | 51 | 51 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | cross-on | on | on | cross-on | on | on | cross-on | on | on | cross | cross | cross | cross-on | cross-on | cross | glassy | glassy | cross-off | glassy | glassy | cross-on | |
High Tide | 2:56AM0.49m | 3:33PM0.29m | 10:14PM0.26m | 4:01AM0.42m | 10:02AM0.29m | 4:34PM0.32m | 10:58PM0.29m | 5:05AM0.35m | 11:21AM0.33m | |||||||||||||||
Low Tide | 5:48PM0.17m | 9:48PM0.24m | 11:54AM0.15m | 6:54PM0.18m | 11:58PM0.25m | 7:51AM0.25m | 1:14PM0.20m | 7:52PM0.19m | 1:42AM0.22m | 8:18AM0.23m | 2:23PM0.23m | |||||||||||||
 |  | | | |  |  | | | |  | | |  | | | |  | | | |  | | | |
 | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:18 | — | — | — |
 | — | — | — | — | — | — | — | 5:34 | — | — | — | — | — | — | — | 5:32 | — | — | — | — | — | — | — | 5:32 |
— | — | — | — | — | — | — | — | — | — | 3 | 2 | 1 | 1 | 4 | 1 | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 16 | 16 | 16 | 16 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 15 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 16 | 16 |
14 | 15 | 14 | 15 | 15 | 14 | 16 | 16 | 15 | 16 | 16 | 16 | 17 | 16 | 14 | 16 | 16 | 16 | 17 | 15 | 15 | 15 | 16 | 15 | |
Swell 1 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 16 | SE 16 | SE 15 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | E 5 | E 6 | E 6 | SSE 11 | ESE 6 | ESE 6 | ESE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 |
 kJ | 78 | 47 | 47 | 47 | 171 | 245 | 217 | 229 | 136 | 125 | 77 | 19 | 22 | 23 | 46 | 58 | 66 | 77 | 77 | 66 | 66 | 66 | 51 | 51 |
Swell 2 Height (m) Direction Period (s) | S 19 | SE 19 | SE 18 | SSE 17 | SSE 9 | SSE 9 | SSE 9 | — | S 8 | — | E 7 | SSE 11 | SSE 11 | SSE 11 | S 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 |
| kJ | 7 | 14 | 50 | 112 | 47 | 47 | 31 | — | 33 | — | 4 | 70 | 47 | 46 | 83 | 22 | 22 | 20 | 20 | 19 | 19 | 19 | 18 | 18 |
Swell 3 Height (m) Direction Period (s) | S 19 | SSE 19 | — | — | — | — | — | — | — | — | — | E 7 | ENE 7 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 7 | 34 | — | — | — | — | — | — | — | — | — | 1 | 5 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 6 | ENE 3 | ENE 3 | ENE 6 | ENE 7 | E 3 | E 4 | E 4 | E 4 | E 4 | — | — | — | E 6 | — | — | — | — | — | — | — | — | — |
| kJ | 6 | 6 | 2 | 3 | 13 | 15 | 6 | 9 | 14 | 16 | 20 | — | — | — | 33 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 240 | 240 | 224 | 210 | 210 | 210 | 238 | 240 | 240 | 240 | 278 | 236 | 262 | 262 | 274 | 515 | 528 | 525 | 274 | 278 | 274 | 278 | 9 | 515 |
Best forecast wave conditions in Rio Grande Do Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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