Cantao da Praia Grande Surf Forecast

/ Rio Grande Do Sul (19 surf breaks) /

Brazil (447 surf breaks) / Lat Long: (29.42° S 49.79° W)

Surf Forecasts:

Cantao da Praia Grande surfForecast / Rio Grande Do Sul / Brazil

12 Day Weather and Surf, issued 2 pm Monday 15 Sep 2025 -03

Forecast update in hr min s Forecast update imminent

Cantao da Praia Grande surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Cantao da Praia Grande sea temperature is 18.3° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Cantao da Praia Grande this week:

The surf forecast for Cantao da Praia Grande over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 16) at 3AM. The primary swell is predicted to be 1.4m and 13s period with a secondary swell of 1.2m and 7s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Cantao da Praia Grande in the next 12 days are 1.9m 13s and forecast to arrive on Wednesday (Sep 17) at 12AM. Winds are predicted to be glassy at the time the swell arrives.

Wave Type	Time (-03) & Date	Wave Height & Period
Next good surf (1 star+)	3AM (Tue 16th Sep)	4.5ft (1.4m) 13s
Best Surf	12AM (Wed 17th Sep)	6ft (1.9m) 13s
Most Powerful	12AM (Wed 17th Sep)	6ft (1.9m) 13s

Table - best surf conditions forecast for Cantao da Praia Grande over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

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	Short Range Forecast Light rain (total 6mm), mostly falling on Mon night. Warm (max 21°C on Wed morning, min 17°C on Wed night). Wind will be generally light.											Days 3-6 Weather Summary Light rain (total 9mm), mostly falling on Thu night. Warm (max 25°C on Sat morning, min 18°C on Thu night). Wind will be generally light.
	Mon 15		Tuesday 16			Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21
	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM
Rating (10 max)	2	3	2	2	4	2	0	1	3	0	1	1	1	1	2	0	2	2	1	0	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	SE	SE	SE	ESE	ESE	E	E	E	ENE	E	E	E	E	E	E	E	ENE	ENE	E	ENE	SSE
Period(s) (?)	14	14	14	14	13	9	8	9	9	9	9	9	8	9	9	9	9	9	9	9	7
Wave Graph (?)
Energy (?)	1188	1302	843	1165	1289	1453	1241	693	1183	790	414	343	293	305	289	240	576	307	221	195	409
Wind (km/h)	NE	NE	SSW	S	SE	ENE	ENE	NNE	NNE	ENE	NE	NNE	E	NNE	N	S	N	SW	SSE	SSW	SSW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross	cross	cross- on	glass	cross- on	cross- on	cross	cross	cross- on	cross	cross	cross- on	cross	cross- off	cross	cross- off	cross- off	cross- on	cross	cross- off
High Tide / height (m)		12:14AM 0.24	6:30AM 0.25	12:51PM 0.62	12:44AM 0.27		1:34PM 0.61	1:06AM 0.29		2:14PM 0.57	9:19PM 0.38		2:50PM 0.52	10:45PM 0.45		3:22PM 0.46	11:35PM 0.51		12:42PM 0.45	12:17AM 0.56
Low Tide / height (m)		9:00PM 0.08	3:08AM 8:03AM 0.14 0.24		9:47PM 0.16	4:27AM 0.09		10:46PM 0.25	5:32AM 0.04		6:37PM 0.33	6:23AM -0.01		7:04PM 0.28	7:07AM -0.03		7:35PM 0.24	7:47AM -0.02		8:06PM 0.21	8:24AM 0.01

	Mon 15		Tuesday 16			Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21
Sunrise	-	-	6:16	-	-	6:15	-	-	6:13	-	-	6:11	-	-	6:11	-	-	6:09	-	-	6:09
Sunset	6:10	-	-	6:12	-	-	6:12	-	-	6:13	-	-	6:13	-	-	6:14	-	-	6:14	-	-

Rain (mm)	2	4	-	-	-	-	-	-	-	-	2	-	1	1	-	2	1	2	2	49	15
Temp. °C	19	18	20	20	18	21	20	18	21	21	19	23	21	21	25	21	20	21	22	20	15
Feels °C (?)	18	19	19	20	19	20	18	17	19	20	20	23	22	23	27	21	20	23	24	22	12

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 The wind is still offshore at Cantao da Praia Grande (moderate winds from the WNW at Osvaldo Kroeff wx 45 km from Cantao da Praia Grande). 1.9m 7s swell from the ENE with a 1.8m 14s groundswell from the SE. 2 swells combining so expect closeout sets.
1 hour 51 minutes ago Cantao da Praia Grande

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45 km away, 1 h 51 min ago

21 km/h

WNW

0.0

18.3

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 Cantao da Praia Grande 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 Cantao da Praia Grande Surf forecast

The above surf forecast table for Cantao da Praia Grande provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Cantao da Praia Grande can be found by selecting the local surf guide option on the grey menu. Our Cantao da Praia Grande 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 (Cantao da Praia Grande) 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 Cantao da Praia Grande 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.

Cantao da Praia Grande is 11 km (7 miles) from Torres. If you plan a holiday in Rio Grande Do Sul, look for hotels and other accommodation in Torres. Torres has rooms for a wide range of budgets as well as car hire and transport links.