Surf Forecasts:
Cassino surf forecast from 12 Jun 2026:
- Best quality surf: Saturday 13 Jun, 6AM (local time) - 4.5ft (1.4m), 9s period, ESE swell with cross-offshore winds.
- Most powerful swell: Friday 12 Jun, 9PM (local time) - 5.5ft (1.7m), 8s period, SE swell with 400 kJ wave energy.
- Next surfable swell (1★+): Saturday 13 Jun, 6AM (local time) - 4.5ft (1.4m), 9s period with ESE swell.
Best Forecast Surf Conditions for Cassino this week:
The surf forecast for Cassino over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Jun 13) at 6AM. The primary swell is predicted to be 1.4m and 9s period with a secondary swell of 0.3m and 13s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Cassino in the next 16 days are 1.7m 8s and forecast to arrive on Friday (Jun 12) at 9PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Sunday (Jun 14) at 6AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Sat 13th Jun) | 4.5ft (1.4m) 9s |
| Best Surf | 6AM (Sat 13th Jun) | 4.5ft (1.4m) 9s |
| Most Powerful | 9PM (Fri 12th Jun) | 5.5ft (1.7m) 8s |
Table - best surf conditions forecast for Cassino over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Fri afternoon. Very mild (max 15°C on Sat afternoon, min 9°C on Sun night). Winds increasing (calm on Sat afternoon, fresh winds from the S by Sun morning). | Days 5-7 Weather SummaryMostly dry. Very mild (max 15°C on Wed afternoon, min 8°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Fri 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SE 10 | SE 8 | ESE 9 | SE 8 | ESE 8 | S 6 | S 8 | SSE 10 | SSE 8 | SSE 12 | SSE 11 | SSE 10 | SSE 12 | SSE 11 | SSE 14 | S 14 | SSE 13 | SSE 13 | SSE 12 | SSE 13 | SSE 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 480 | 381 | 258 | 166 | 126 | 134 | 168 | 205 | 65 | 142 | 119 | 80 | 150 | 69 | 183 | 246 | 249 | 302 | 269 | 257 | 97 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | off | off | cross-off | cross-off | cross | cross-off | off | glassy | cross | cross-off | off | off | off | cross-off | cross-on | cross | cross-on | cross | cross-off |
High Tide | 4:17PM0.45m | 5:57AM0.31m | 5:43PM0.52m | 1:27AM0.13m | 7:04AM0.28m | 6:52PM0.60m | 8:02AM0.25m | 3:22PM0.43m | 7:55PM0.66m | 8:55AM0.23m | 3:42PM0.38m | 8:55PM0.70m | 9:47AM0.22m | 4:09PM0.33m | 9:54PM0.71m | 10:38AM0.22m | 4:39PM0.29m | 10:52PM0.69m | 11:30AM0.24m | ||
Low Tide | 9:49PM0.05m | 9:27AM0.15m | 10:50PM0.06m | 3:22AM0.10m | 11:51PM0.10m | 4:22AM0.01m | 3:59PM0.43m | 5:16AM-0.05m | 4:52PM0.37m | 6:08AM-0.09m | 12:26PM0.10m | 6:58AM-0.09m | 1:16PM0.11m | 6:33PM0.24m | 7:48AM-0.07m | ||||||
 |  |  |  | |  | |  | | | | | | | | | | | |  | | |
 | — | — | 7:26 | — | — | 7:26 | — | — | 7:26 | — | — | 7:26 | — | — | 7:28 | — | — | 7:28 | — | — | 7:28 |
 | 5:30 | — | — | 5:30 | — | — | 5:30 | — | — | 5:30 | — | — | 5:30 | — | — | 5:30 | — | — | 5:30 | — | 5:30 |
mm | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 15 | 15 | 12 | 13 | 12 | 10 | 11 | 10 | 11 | 14 | 13 | 13 | 15 | 13 | 14 | 16 | 15 | 15 |
Feels °C | 10 | 11 | 12 | 13 | 14 | 7 | 8 | 9 | 8 | 9 | 8 | 8 | 10 | 9 | 10 | 13 | 12 | 12 | 14 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | ESE 10 | SE 8 | ESE 9 | SE 8 | ESE 8 | ESE 8 | ESE 8 | SSE 10 | SSE 8 | SSE 12 | SSE 11 | SSE 10 | SSE 12 | SSE 11 | SSE 14 | S 14 | SSE 13 | SSE 13 | SSE 12 | SSE 13 | SSE 11 |
| kJ | 173 | 381 | 258 | 166 | 126 | 53 | 39 | 205 | 65 | 142 | 119 | 80 | 150 | 69 | 183 | 246 | 249 | 302 | 269 | 257 | 97 |
Swell 2 Height (m) Direction Period (s) | — | ESE 13 | S 14 | ESE 12 | ESE 12 | SE 12 | SSE 13 | ESE 8 | SSE 12 | ESE 9 | E 9 | SSE 13 | E 9 | SSE 17 | E 8 | E 8 | E 9 | E 9 | E 11 | E 10 | SSE 15 |
| kJ | — | 17 | 4 | 15 | 15 | 6 | 17 | 28 | 28 | 17 | 6 | 63 | 6 | 59 | 1 | 1 | 2 | 6 | 2 | 8 | 21 |
Swell 3 Height (m) Direction Period (s) | — | SE 11 | S 13 | S 12 | S 11 | S 15 | SE 13 | SE 12 | ESE 10 | SE 12 | NE 8 | E 9 | S 20 | E 9 | — | E 7 | — | — | E 9 | — | E 9 |
| kJ | — | 5 | 4 | 3 | 2 | 4 | 7 | 6 | 19 | 6 | 2 | 6 | 8 | 2 | — | 1 | — | — | 6 | — | 7 |
Wind waves Height (m) Direction Period (s) | SE 10 | — | WSW 3 | SW 4 | — | S 6 | S 8 | — | — | — | — | — | WNW 2 | W 3 | WSW 4 | SW 6 | — | — | NE 8 | — | — |
| kJ | 480 | — | 4 | 11 | — | 134 | 168 | — | — | — | — | — | 1 | 2 | 8 | 32 | — | — | 3 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 262 | 236 | 210 | 9 | 9 | 262 | 235 | 210 | 9 | 9 | 9 | 9 | 9 | 9 | 210 | 9 | 210 | 210 | 18 | 18 | 9 |
Best forecast wave conditions in Rio Grande Do Sul | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Cassino surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Cassino Surf forecast
The above surf forecast table for Cassino provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cassino can be found by selecting the local surf guide option on the grey menu. Our Cassino surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Cassino) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Cassino may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Cassino is 10 km (6 miles) from the city of Rio Grande. If you plan a holiday in Rio Grande Do Sul, look for hotels and other accommodation in Rio Grande. Rio Grande has rooms for a wide range of budgets as well as car hire and transport links.
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