Praia das Conchas surfForecast / Rio de Janeiro / Brazil

information circle16 Day Weather and Surf, issued 2 am Saturday 21 Mar 2026 -03
Forecast update in hr  min  s Forecast update imminent
Praia das Conchas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Praia das Conchas sea temperature is
26.9° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Praia das Conchas this week:

The surf forecast for Praia das Conchas over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Mar 22) at 12AM. The primary swell is predicted to be 0.7m and 10s period with a secondary swell of 0.3m and 3s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Praia das Conchas in the next 16 days are 1.0m 13s and forecast to arrive on Thursday (Mar 26) at 9PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Tuesday (Mar 24) at 9PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+)12AM (Sun 22nd Mar)2.5ft (0.7m) 10s
Best Surf12AM (Sun 22nd Mar)2.5ft (0.7m) 10s
Most Powerful 9PM (Thu 26th Mar)3.5ft (1.0m) 13s

Table - best surf conditions forecast for Praia das Conchas over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 25°C on Sat morning, min 22°C on Sun night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 27°C on Wed afternoon, min 24°C on Tue morning). Mainly fresh winds.

Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
SE
0.7
SE
0.7
SE
0.7
SE
0.8
SE
0.7
SE
0.6
SE
0.6
ESE
0.6
ESE
0.6
ESE
1
ENE
1.3
ENE
1.2
ENE
1.2
ENE
0.3
SSW
0.5
S
0.7
SSW
1.1
SSW
1
SSW
0.9
SSW
0.9
SSW
Period(s) (?)9810101099999566611161412111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)887094941138664495054451111039024131201333268214187
Wind
(km/h)
5
WSW
15
SSE
5
NNE
5
NE
15
ESE
10
NE
5
NE
15
E
15
NE
20
NE
30
ENE
30
NE
25
NE
30
ENE
30
NE
25
NE
25
ENE
20
NE
15
NE
20
E
15
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
onglasscrossoncross-
off
crosscross-
on
crosscrosscrosscrosscrosscrosscrosscrosscross-
on
crosscrosscross-
on
cross
High Tide
/ height (m)
4:01PM
1.13
4:06AM
0.93
4:41PM
1.05
4:29AM
0.86
5:29PM
0.93
4:55AM
0.79
6:40PM
0.81
5:24AM
0.73
11:13PM
0.80
6:16AM
0.66
12:13AM
0.89
11:03AM
0.68
12:48AM
0.95
Low Tide
/ height (m)
10:07AM
0.13
10:44PM
0.20
10:42AM
0.15
11:27PM
0.35
11:22AM
0.19
12:20AM
0.49
12:19PM
0.25
1:46AM
0.61
1:52PM
0.30
4:02AM
0.64
3:47PM
0.29
5:39AM
0.57
5:14PM
0.22
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Sunrise5:50--5:52--5:52--5:52--5:52--5:52--5:54--
Sunset-5:58--5:57--5:55--5:54--5:53--5:52--5:52-
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C252525252525252524252625262725262625252525
Feels °C (?)272628272627272625252524252725272626262627
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Praia das Conchas Surf forecast

The above surf forecast table for Praia das Conchas provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Praia das Conchas can be found by selecting the local surf guide option on the grey menu. Our Praia das Conchas 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 (Praia das Conchas) 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 Praia das Conchas 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.

Praia das Conchas is 4 km (2 miles) from the city of Cabo Frio. If you plan a holiday in Rio de Janeiro, look for hotels and other accommodation in Cabo Frio. Cabo Frio has rooms for a wide range of budgets as well as car hire and transport links.

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