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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 Sunday 31 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
15.1° C
(Which is 1.5°C colder than average for this time of year)How big are the waves at Cassino today (31 May):
- Morning surf: Morning surf (31 May, local time) - 2.5ft (0.7m), 9s period with SE swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 2ft (0.6m), 8s period with SE swell.
- Evening surf: Evening surf (31 May, local time) - 2.5ft (0.7m), 8s period with SE swell.
The current surf forecast for Cassino at 4PM is: 0.6m 8s primary swell from a Southeast direction and 0.5m 6s secondary swell from a East direction (forecast issued at 08:00am May 31). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 2.5ft (0.7m) | 9s |
| Afternoon (31 May) | 2ft (0.6m) | 8s |
| Evening (31 May) | 2.5ft (0.7m) | 8s |
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 18°C on Sun morning, min 12°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
E 7 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 8 | SSE 8 | SSE 8 | S 7 | SSE 8 | SSE 7 | SSE 7 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 11 | SSE 11 | SSE 11 | |
43 | 77 | 59 | 55 | 55 | 70 | 69 | 67 | 55 | 66 | 58 | 47 | 99 | 97 | 94 | 81 | 212 | 94 | 65 | 68 | 55 | 180 | 190 | 234 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | glassy | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | on | on | on | on | on | on | on | cross-on | cross-on | |
High Tide | 8:52AM0.24m | 2:36PM0.45m | 8:37PM0.45m | 2:09AM0.28m | 9:44AM0.23m | 3:18PM0.44m | 9:22PM0.45m | 2:35AM0.28m | 10:35AM0.22m | 3:58PM0.42m | 10:05PM0.46m | 2:47AM0.28m | ||||||||||||
Low Tide | 5:20AM0.03m | 10:49AM0.20m | 5:36PM0.30m | 00:14AM0.24m | 6:02AM0.01m | 11:25AM0.21m | 6:15PM0.31m | 1:08AM0.26m | 6:43AM0.01m | 11:58AM0.21m | 6:50PM0.31m | 2:10AM0.28m | ||||||||||||
 |  |  | |  | |  | | | | |  | | | | | | | | | | | | | |
 | 7:20 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — | 7:22 |
 | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | 5:30 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 17 | 18 | 18 | 15 | 14 | 13 | 13 | 12 | 12 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
16 | 16 | 17 | 16 | 14 | 13 | 12 | 12 | 10 | 10 | 11 | 11 | 11 | 12 | 14 | 13 | 12 | 13 | 11 | 12 | 13 | 13 | 13 | 13 | |
Swell 1 Height (m) Direction Period (s) | E 7 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 8 | SSE 8 | E 6 | SE 8 | E 6 | ESE 10 | SSE 7 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 11 | SSE 11 | SSE 11 |
 kJ | 43 | 77 | 59 | 55 | 55 | 70 | 69 | 67 | 55 | 66 | 7 | 16 | 3 | 11 | 94 | 81 | 212 | 94 | 65 | 68 | 55 | 180 | 190 | 234 |
Swell 2 Height (m) Direction Period (s) | SE 8 | E 7 | E 7 | E 7 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | ESE 10 | E 6 | ESE 11 | E 6 | ESE 10 | SSE 9 | — | ESE 9 | SE 9 | SE 10 | SE 10 | SE 9 | SE 8 | E 9 |
| kJ | 34 | 32 | 31 | 21 | 21 | 12 | 12 | 7 | 7 | 7 | 11 | 3 | 11 | 3 | 10 | 8 | — | 9 | 3 | 4 | 27 | 3 | 3 | 1 |
Swell 3 Height (m) Direction Period (s) | SSE 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | — | ESE 8 | E 6 | — | — | — | — | ESE 9 | ESE 9 | — | — | — |
| kJ | 15 | 39 | 37 | 22 | 12 | 12 | 12 | 5 | 11 | 11 | 11 | 11 | — | 6 | 3 | — | — | — | — | 8 | 8 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | S 3 | — | S 4 | — | — | — | SSE 8 | S 7 | SSE 8 | SSE 7 | ESE 7 | E 10 | SE 6 | E 5 | E 6 | E 5 | E 5 | E 5 | E 5 | E 5 |
| kJ | — | — | — | — | 2 | — | 9 | — | — | — | 58 | 47 | 99 | 97 | 15 | 74 | 136 | 55 | 49 | 37 | 37 | 37 | 38 | 50 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 9 | 9 | 274 | 274 | 236 | 262 | 9 | 9 | 262 | 293 | 545 | 239 | 274 | 240 | 240 | 240 | 240 | 240 | 240 | 240 | 238 | 240 | 240 |
Best forecast wave conditions in Rio Grande Do Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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