Cassino Surf Forecast

/ Rio Grande Do Sul (19 surf breaks) /

Brazil (447 surf breaks) / Lat Long: (32.21° S 52.19° W)

Surf Forecasts:

Cassino surfForecast / Rio Grande Do Sul / Brazil

12 Day Weather and Surf, issued 8 pm Thursday 02 Oct 2025 -03

Forecast 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 17.3° C
(Which is 1.7°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 Monday (Oct 06) at 3AM. The primary swell is predicted to be 1.5m and 10s period with a secondary swell of 1.2m 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 1.4m 12s and forecast to arrive on Tuesday (Oct 07) at 12PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 8s period and expected on Saturday (Oct 04) at 6AM.

Wave Type	Time (-03) & Date	Wave Height & Period
Next good surf (1 star+)	3AM (Mon 6th Oct)	5ft (1.5m) 10s
Best Surf	3AM (Mon 6th Oct)	5ft (1.5m) 10s
Most Powerful	12PM (Tue 7th Oct)	4.5ft (1.4m) 12s

Table - best surf conditions forecast for Cassino over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

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	Short Range Forecast Moderate rain (total 11mm), heaviest on Fri morning. Warm (max 26°C on Sun morning, min 18°C on Thu night). Wind will be generally light.										Days 3-6 Weather Summary Heavy rain (total 37mm), heaviest during Sun night. Warm (max 21°C on Wed afternoon, min 10°C on Mon night). Mainly fresh winds.
		Friday 03			Saturday 04			Sunday 05			Monday 06			Tuesday 07			Wednesday 08			Thu 09
	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM
Rating (10 max)	0	0	0	0	0	0	0	0	0	1	0	0	2	2	3	1	2	2	1	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	E	S	S	S	E	E	E	E	E	E	E	SSW	S	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE
Period(s) (?)	5	12	11	10	9	9	9	10	10	10	10	7	9	12	13	12	11	11	12	12	12
Wave Graph (?)
kJ (?)	77	3	2	2	264	188	246	268	225	223	156	214	480	447	554	380	206	180	403	247	243
Wind (km/h)	ENE	NE	NE	NE	NNE	NE	NNE	NNE	SSE	NNE	SW	SW	SSW	WSW	SSW	NNW	W	SSW	NNE	NNE	ENE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross	cross- off	cross- off	cross- off	off	cross- off	cross- off	off	cross- off	cross- on	cross- on	on
High Tide / height (m)	12:17AM 0.28		1:28PM 0.55	12:34AM 0.30		2:02PM 0.52	12:53AM 0.32		2:30PM 5:27PM 0.46 0.45	1:15AM 0.34		2:38PM 0.36	7:13PM 1:42AM 0.44 0.36	7:27AM 0.25	2:37PM 0.26	8:23PM 2:15AM 0.43 0.38	8:27AM 0.36	2:37PM 0.19	9:24PM 2:51AM 0.42 0.38	9:20AM 0.47	2:22PM 0.16
Low Tide / height (m)		6:59AM 0.06		8:55PM 0.17	7:52AM 0.03		9:31PM 0.20	8:50AM 0.02	4:24PM 0.45	10:10PM 0.23	9:53AM 0.04	4:06PM 0.35	10:51PM 0.26	5:16AM 10:59AM 0.20 0.08	4:38PM 0.22	11:33PM 0.29	5:30AM 0.22	12:12PM 5:19PM 0.12 0.09	12:17AM 0.30	5:54AM 0.24	1:46PM 0.16

		Friday 03			Saturday 04			Sunday 05			Monday 06			Tuesday 07			Wednesday 08			Thu 09
Sunrise	-	6:03	-	-	6:03	-	-	6:01	-	-	6:00	-	-	5:58	-	-	5:56	-	-	5:56	-
Sunset	-	-	6:30	-	-	6:31	-	-	6:32	-	-	6:32	-	-	6:34	-	-	6:35	-	-	6:36

Rain (mm)	-	5	2	3	-	-	-	-	1	35	2	-	-	-	-	-	-	-	-	-	-
Temp. °C	19	19	19	18	23	23	20	26	22	20	13	15	12	15	16	15	19	21	18	18	17
Feels °C (?)	18	18	17	16	23	24	20	25	23	21	7	9	6	10	12	12	16	18	16	16	13

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Rio Grande Do Sul

Wind Update Wind reports 41 km away suggest it is still onshore at Cassino (light winds from the E at Pelotas Airport). 1.1m 6s windswell from the E with a 0.4m 10s swell from the ESE and a 0.3m 9s swell from the S as well as a 0.3m 7s swell, also from the S. 4 swells combining so expect closeout sets.
2 hours 10 minutes ago Cassino

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41 km away, 2 h 10 min ago

15 km/h

0.0

17.3

Air / Water (°C)

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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 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.