Praia das Dunas Surf Forecast

/ Rio de Janeiro (47 surf breaks) /

Brazil (447 surf breaks) / Lat Long: (22.92° S 42.04° W)

Surf Forecasts:

Praia das Dunas surfForecast / Rio de Janeiro / Brazil

48hr Weather and Surf, issued 8 pm Tuesday 21 Oct 2025 -03

Forecast update in hr min s Forecast update imminent

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

Today's Praia das Dunas sea temperature is 22.5° C
(Which is normal for this time of year)

How big are the waves at Praia das Dunas today?

The current surf forecast for Praia das Dunas at 2AM is: 1.5m 9s primary swell from a South direction and 0.2m 12s secondary swell from a South-southeast direction, 0.8m 7s secondary swell from a East direction (forecast issued at 08:00pm October 21). The wind direction is predicted to be cross-onshore.

Time (-03) & Date	Wave Height	Wave Period
Morning (22 Oct)	5ft (1.6m)	9s
Afternoon (22 Oct)	5ft (1.5m)	9s
Evening (22 Oct)	4ft (1.2m)	9s

Table - waves today at Praia das Dunas. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Tue 21		Wednesday 22								Thursday 23								Friday 24
	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)	0	0	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	S	S	S	S	SSE	SSE	SSE	SSE	SSE	SSE	SSE	E	E	SSE	E	E	E	E	SSE	SSE	SSE	SE	SE	SE
Period(s) (?)	10	10	9	9	9	9	9	9	9	9	9	7	8	9	9	8	8	8	10	8	11	10	8	11
Wave Graph (?)
kJ (?)	424	307	405	388	391	397	337	329	294	238	243	279	196	173	202	305	320	317	284	235	352	408	288	521
Wind (km/h)	ESE	ESE	E	E	E	E	E	E	ESE	E	ENE	ENE	NE	E	E	E	E	E	ENE	ENE	NE	NE	ENE	E
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- on	cross- on	cross- on	on	cross- on	cross- on	cross- on	cross- on	cross- on	on	on	on	on	cross- on	cross- on
High Tide / height (m)				2:31AM 1.10				2:30PM 0.99					3:01AM 1.08			2:50PM 0.96					3:32AM 1.03
Low Tide / height (m)		8:23PM 0.10				8:49AM 0.19				8:51PM 0.08					9:18AM 0.25				9:20PM 0.08				9:49AM 0.31

	Tue 21		Wednesday 22								Thursday 23								Friday 24
Sunrise	-	-	-	-	5:09	-	-	-	-	-	-	-	5:09	-	-	-	-	-	-	-	5:07	-	-	-
Sunset	-	-	-	-	-	-	-	5:54	-	-	-	-	-	-	-	5:54	-	-	-	-	-	-	-	5:55

Rain (mm)	-	-	1	1	1	1	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	20	20	19	18	19	19	20	20	20	20	20	20	20	20	20	20	21	21	20	20	20	21	21	21
Feels °C (?)	16	17	16	15	16	15	16	17	16	16	17	17	18	17	17	16	17	17	18	18	18	18	17	17

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 de Janeiro

Wind Update Continuing clean conditions at Praia das Dunas (light winds from the ENE at Aeroporto São Pedro da Aldeia Airport 14 km from Praia das Dunas). 2.0m 9s swell from the SSE with a 1.0m 9s swell, also from the SSE. 2 swells combining so expect closeout sets.
2 hours 58 minutes ago Praia das Dunas

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2 h 58 min ago

6 km/h

ENE

Clean

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