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

48hr Weather and Surf, issued 2 pm Tuesday 16 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 18.4° C
(Which is slightly warmer than usual)

How big are the waves at Cantao da Praia Grande today?

The current surf forecast for Cantao da Praia Grande at 5PM is: 1.6m 14s primary swell from a East-southeast direction and 0.7m 4s secondary swell from a South direction (forecast issued at 02:00pm September 16). The wind direction is predicted to be cross-shore.

Time (-03) & Date	Wave Height	Wave Period
Morning (16 Sep)	-	-
Afternoon (16 Sep)	5ft (1.6m)	14s
Evening (16 Sep)	5.5ft (1.7m)	13s

Table - waves today at Cantao da Praia Grande. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Tuesday 16				Wednesday 17								Thursday 18								Friday 19
	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM
Rating (10 max)	2	0	0	2	2	!	4	0	1	0	0	0	2	3	3	2	0	0	0	2	3	3	3	2
Swell Height Map See all maps
Wave Height (m) & direction (?)	ESE	ESE	ESE	ESE	SE	ESE	ESE	ESE	E	ESE	E	E	E	E	E	E	E	E	E	E	E	E	ENE	ENE
Period(s) (?)	14	14	14	13	11	10	10	10	9	9	9	10	10	10	10	10	10	10	10	10	9	9	9	8
Wave Graph (?)
kJ (?)	1079	943	833	975	932	1478	1263	856	747	484	431	470	725	799	499	499	490	484	426	464	580	562	586	597
Wind (km/h)	S	S	SSW	SW	SSW	WSW	SE	ENE	ENE	ENE	ENE	NE	NNE	NNE	N	NNE	NE	ENE	NE	NNE	NNE	NNE	NNE	NE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross	cross	cross- off	cross	cross- off	glass	cross- on	cross- on	cross- on	cross- on	cross- on	cross	cross	cross- off	cross	cross- on	cross- on	cross- on	cross	cross	cross	cross	cross
High Tide / height (m)		12:51PM 0.62				12:44AM 0.27				1:34PM 0.61				1:06AM 0.29				2:14PM 0.57			9:19PM 0.38
Low Tide / height (m)					9:47PM 0.16		4:27AM 0.09						10:46PM 0.25		5:32AM 0.04					6:37PM 0.33				6:23AM -0.01

	Tuesday 16				Wednesday 17								Thursday 18								Friday 19
Sunrise	-	-	-	-	-	-	-	6:15	-	-	-	-	-	-	-	6:13	-	-	-	-	-	-	-	6:11
Sunset	-	-	6:12	-	-	-	-	-	-	-	6:12	-	-	-	-	-	-	-	6:13	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	21	22	19	18	18	18	18	19	19	19	19	19	18	18	18	19	22	21	19	19	18	17	17	19
Feels °C (?)	20	19	16	16	18	18	20	17	17	17	18	18	17	18	18	18	21	18	18	19	18	17	17	19

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 Offshore wind has become cross-off at Cantao da Praia Grande (light winds from the WSW at Osvaldo Kroeff wx 45 km from Cantao da Praia Grande). 1.9m 14s groundswell from the ESE with a 0.7m 4s local chop from the S. 2 swells combining to make bigger set waves.
44 minutes ago Cantao da Praia Grande

Expand

View all

45 km away, 44 min ago

11 km/h

WSW

0.0

18.4

Air / Water (°C)

Please reload the page to see if there are any updates.

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 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.