Itaipu surfForecast / Rio de Janeiro / Brazil

information circle48hr Weather and Surf, issued 2 pm Tuesday 21 Apr 2026 -03
Forecast update in hr  min  s Forecast update imminent
Itaipu surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Itaipu sea temperature is
24.1° C
(Which is 1.2°C colder than average for this time of year)

How big are the waves at Itaipu today?

The current surf forecast for Itaipu at 9PM is: 0.8m 9s primary swell from a South-southeast direction and 0.8m 8s secondary swell from a South-southwest direction (forecast issued at 02:00pm April 21). The wind direction is predicted to be glassy.

Time (-03) & DateWave HeightWave Period
Morning (21 Apr)--
Afternoon (21 Apr)2.5ft (0.8m)10s
Evening (21 Apr)2.5ft (0.8m)9s

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


Updates in  hr  min  s Forecast update imminent
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM
Rating
(10 max)
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
1
0
0
0
1
1
1
1
1
Swell
Height Map
Wave Height (m) & direction (?)
0.8
SSE
0.8
SSE
0.8
SSE
0.8
SSE
0.7
SSE
0.7
SSE
0.7
SSE
0.7
SSE
0.6
SSE
0.7
SSE
0.6
SSE
0.5
SSE
0.5
SSE
0.5
SSE
0.3
SSW
0.4
SSW
0.4
SSW
0.5
S
0.4
SSW
0.5
S
0.5
S
0.5
S
0.4
S
0.4
S
Period(s) (?)10109999999999981211111010101091316
Wave
Graph
(?)Metric surfscale
Energy kJ (?)109103100987675757355715345434027413952335046455477
Wind
(km/h)
15
SSW
15
SSW
10
S
0
WSW
10
N
10
NNW
10
NNW
10
NW
10
S
15
SSE
15
SE
10
NE
10
NNE
5
NNE
10
N
5
N
15
SE
20
ESE
20
ESE
15
ENE
10
NE
10
NNE
10
NNE
5
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
cross-
on
glasscross-
off
cross-
off
cross-
off
crosscross-
on
crosscrossoffcross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
offoffcross-
off
glass
High Tide
/ height (m)
6:47PM
0.99
4:50AM
0.92
7:39PM
0.93
5:35AM
0.94
8:44PM
0.88
6:26AM
0.95
Low Tide
/ height (m)
11:40AM
-0.12
12:15AM
0.29
12:31PM
-0.11
1:03AM
0.33
1:25PM
-0.07
1:53AM
0.35
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Sunrise-------6:07-------6:07-------6:07
Sunset-5:34-------5:32-------5:31------
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
Rain (mm)
------------------------
Temp. °C232423232120202223232323212020222424242322212022
Feels °C (?)232424262221212323232425222221242423242424232224
  • 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

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 Itaipu 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.


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