Praia das Dunas surf break

Praia das Dunas surfForecast / Rio de Janeiro / Brazil

information circle48hr Weather and Surf, issued 8 pm Saturday 18 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
22.0° C
(Which is slightly cooler than normal)


How big are the waves at Praia das Dunas today?

The current surf forecast for Praia das Dunas at 9PM is: 1.3m 8s primary swell from a East-northeast direction (forecast issued at 08:00pm October 18). An open ocean swell of 0.4m 9s is not directed at the surf break, a second open ocean swell of 0.4m 2s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (-03) & DateWave HeightWave Period
Morning (18 Oct)--
Afternoon (18 Oct)--
Evening (18 Oct)4.5ft (1.3m)8s

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

Updates in  hr  min  s Forecast update imminent
Sat
18
Sunday
19
Monday
20
Tuesday
21
6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM
Rating
(10 max)
1
1
0
0
0
0
0
0
0
0
3
2
3
2
3
1
1
2
1
2
2
1
1
1
Swell
Height Map
Wave Height (m) & direction (?)
1.3
E
1.3
ENE
1.2
ENE
1.1
ENE
1
E
0.9
ENE
0.8
ENE
0.7
ENE
0.6
E
0.5
ENE
3
S
3
S
2.1
SSE
2.5
S
2.3
SSE
2.4
SSE
1.7
SSE
1.7
S
1.4
SE
1.6
SE
1.4
SE
1.5
S
1.5
S
1.3
S
Period(s) (?)88888888881010101010101011111111101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2062181971671311048362443516671651867119410241043600669458615458458426341
Wind
(km/h)
5
SSE
25
WSW
20
W
25
WSW
40
WSW
30
SW
35
SSW
30
SSW
30
S
30
S
25
S
25
S
20
S
20
SSE
25
S
25
S
20
S
15
SSE
10
SE
10
ESE
10
ESE
15
ESE
20
ESE
25
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassoffcross-
off
cross-
off
cross-
off
offcross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscrosscrosscrosscross
High Tide
/ height (m)
12:59AM
1.04
1:30PM
1.01
1:30AM
1.09
1:50PM
1.02
2:00AM
1.11
2:10PM
1.01
Low Tide
/ height (m)
7:00PM
0.27
7:19AM
0.10
7:28PM
0.20
7:50AM
0.11
7:56PM
0.15
8:19AM
0.14
Sat
18
Sunday
19
Monday
20
Tuesday
21
Sunrise----5:11-------5:11-------5:11---
Sunset-------5:52-------5:53-------5:53
light rain
rain showers
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
cloud
clear
rain showers
rain showers
part cloud
part cloud
part cloud
clear
clear
rain showers
rain showers
part cloud
clear
Rain (mm)
41-14211111--11-----11--
Temp. °C222221212021202020192020191820202020191818192020
Feels °C (?)252221201618161616141615151516151517171616161616
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Eyeball surf reportRecent Eyeball Surf Reports for Rio de Janeiro

  1. weather stationWind Update Continuing clean conditions at Praia das Dunas (light winds from the E at Cabo Frio Cape Airport 5 km from Praia das Dunas). A 1.2m swell from the E

    Praia das Dunas
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3 h 12 min ago

7 km/h
E
Clean
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