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Cassino Surf Forecast
/ Rio Grande Do Sul (19 surf breaks) /
Surf Forecasts:
Cassino surfForecast / Rio Grande Do Sul / Brazil
12 Day Weather and Surf, issued 2 pm Thursday 01 Jan 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
25.5° C
(Which is 2.8°C warmer than normal for this time of year)Best Forecast Surf Conditions for Cassino this week:
The surf forecast for Cassino over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jan 02) at 3AM. The primary swell is predicted to be 1.0m and 6s period with a secondary swell of 0.2m and 10s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Cassino in the next 12 days are 2.3m 12s and forecast to arrive on Saturday (Jan 03) at 3PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 6s period and expected on Wednesday (Jan 07) at 9AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Fri 2nd Jan) | 3.5ft (1.0m) 6s |
| Best Surf | 3PM (Sat 3rd Jan) | 7.5ft (2.3m) 12s |
| Most Powerful | 3PM (Sat 3rd Jan) | 7.5ft (2.3m) 12s |
Table - best surf conditions forecast for Cassino over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Mostly dry. Warm (max 25°C on Thu afternoon, min 15°C on Sat night). Winds increasing (calm on Thu night, strong winds from the SSW by Sat morning). | Days 3-6 Weather Summary Mostly dry. Warm (max 26°C on Wed morning, min 18°C on Sun night). Winds decreasing (fresh winds from the S on Sun afternoon, calm by Wed morning). | ||||||||||||||||||||||
Thu 01 | Friday 02 | Saturday 03 | Sunday 04 | Monday 05 | Tuesday 06 | Wednesday 07 | |||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |||
Rating (10 max) | |||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 10 | 6 | 10 | 10 | 11 | 13 | 12 | 12 | 11 | 10 | 10 | 10 | 9 | 9 | 8 | 8 | 5 | 8 | 7 | 7 | 7 | ||
Wave (?)Graph  | |||||||||||||||||||||||
 kJ (?) | 65 | 71 | 204 | 232 | 234 | 1264 | 1480 | 882 | 423 | 867 | 681 | 312 | 193 | 124 | 62 | 38 | 86 | 16 | 54 | 36 | 14 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- off | cross- on | cross- on | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | ||
High Tide / height (m) | 6:09PM 0.26 | 6:03AM 0.61 | 12:47PM 0.14 | 7:10PM 2:50AM 0.22 0.44 | 7:09AM 0.65 | 1:04PM 0.19 | 8:07PM 3:00AM 0.20 0.41 | 8:12AM 0.67 | 1:26PM 0.26 | 9:02PM 0.19 | 3:26AM 9:13AM 0.37 0.66 | 9:56PM 0.19 | 3:55AM 10:12AM 0.33 0.64 | 10:50PM 0.22 | 4:27AM 11:10AM 0.30 0.60 | 11:46PM 0.25 | 4:59AM 0.28 | ||||||
Low Tide / height (m) | 9:22PM 0.10 | 11:01AM 0.11 | 3:46PM 0.04 | 10:04PM 0.08 | 3:16AM 11:51AM 0.44 0.18 | 4:45PM -0.02 | 10:49PM 0.07 | 4:25AM 0.39 | 12:43PM 5:38PM 0.26 -0.06 | 11:35PM 0.07 | 5:19AM 0.32 | 6:28PM 12:22AM -0.07 0.10 | 6:10AM 0.25 | 7:16PM 1:13AM -0.06 0.14 | 7:00AM 0.19 | 8:02PM 2:09AM -0.03 0.18 | 7:50AM 0.16 | ||||||
Thu 01 | Friday 02 | Saturday 03 | Sunday 04 | Monday 05 | Tuesday 06 | Wednesday 07 | |||||||||||||||||
| Sunrise | - | - | 5:26 | - | - | 5:26 | - | - | 5:26 | - | - | 5:28 | - | - | 5:28 | - | - | 5:30 | - | - | 5:30 | ||
| Sunset | 7:37 | - | - | 7:37 | - | - | 7:38 | - | - | 7:38 | - | - | 7:38 | - | - | 7:38 | - | - | 7:38 | - | - | ||
 |  |  | |  | | | |  | | | | | | | | | | | | | |||
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||
| Temp. °C | 25 | 22 | 23 | 23 | 21 | 20 | 20 | 19 | 19 | 23 | 20 | 20 | 21 | 20 | 23 | 23 | 22 | 26 | 25 | 24 | 24 | ||
| Feels °C (?) | 22 | 20 | 22 | 20 | 21 | 12 | 14 | 13 | 13 | 17 | 13 | 18 | 18 | 17 | 20 | 19 | 19 | 29 | 25 | 25 | 23 | ||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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FREE! Surf-Forecast.com widget for your website
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.
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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 12 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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