Atlantida Surf Forecast

/ Rio Grande Do Sul (19 surf breaks) /

Brazil (447 surf breaks) / Lat Long: (29.81° S 50.05° W)

Surf Forecasts:

Atlantida surfForecast / Rio Grande Do Sul / Brazil

48hr Weather and Surf, issued 8 pm Thursday 16 Oct 2025 -03

Forecast update in hr min s Forecast update imminent

Atlantida surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Atlantida sea temperature is 20.0° C
(Which is slightly warmer than usual)

How big are the waves at Atlantida today?

The current surf forecast for Atlantida at 2AM is: 0.9m 8s primary swell from a East-northeast direction and 0.4m 8s secondary swell from a South-southeast direction (forecast issued at 08:00pm October 16). The wind direction is predicted to be glassy.

Time (-03) & Date	Wave Height	Wave Period
Morning (17 Oct)	3ft (0.9m)	8s
Afternoon (17 Oct)	2.5ft (0.8m)	8s
Evening (17 Oct)	2.5ft (0.7m)	8s

Table - waves today at Atlantida. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Thu 16		Friday 17								Saturday 18								Sunday 19
	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	12 PM	3 PM
Rating (10 max)	1	0	1	1	1	1	0	1	1	1	1	0	0	0	0	0	0	0	1	1	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	ENE	E	ENE	E	ENE	ENE	E	E	E	E	E	E	E	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE
Period(s) (?)	9	9	7	8	8	8	8	8	8	8	8	8	8	6	7	7	8	8	8	8	7	7	7	8
Wave Graph (?)
kJ (?)	113	94	60	140	112	112	105	82	80	60	57	74	58	145	508	512	512	459	382	389	297	297	193	173
Wind (km/h)	NE	NNE	N	WNW	WSW	S	SSE	ESE	ENE	SW	SW	SSW	SSW	SSE	S	S	S	S	S	S	S	SSE	SSE	SE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross	cross- off	glass	glass	glass	cross- on	glass	glass	glass	cross- off	cross	cross	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross	cross- on	cross- on	cross- on	cross- on
High Tide / height (m)		6:20PM 0.36		12:26AM 0.29				1:35PM 0.48			9:03PM 0.36					1:59PM 0.43			10:33PM 0.42				11:59AM 0.40
Low Tide / height (m)	5:14PM 0.36		10:20PM 0.26		4:55AM 0.06				5:47PM 0.29				5:49AM 0.05					6:22PM 0.23				6:35AM 0.05

	Thu 16		Friday 17								Saturday 18								Sunday 19
Sunrise	-	-	-	-	5:39	-	-	-	-	-	-	-	5:39	-	-	-	-	-	-	-	5:37	-	-	-
Sunset	6:30	-	-	-	-	-	-	-	6:30	-	-	-	-	-	-	-	6:30	-	-	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	1	2	2	3	1	1	4	6	3	1	-	-	-	1	-	-	-
Temp. °C	20	21	20	20	20	22	22	21	19	19	19	19	19	18	18	18	18	17	17	16	16	17	17	17
Feels °C (?)	20	21	21	21	22	24	23	23	21	21	20	19	19	16	15	14	13	13	13	13	12	13	13	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 Continuing clean conditions at Atlantida (calm at Osvaldo Kroeff wx 86 km from Atlantida). 1.0m 8s swell from the E with a 0.6m 8s swell from the SSE and a 0.5m 9s swell from the S. 3 swells combining to make bigger set waves.
1 hour 55 minutes ago Atlantida

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