Itaipu surfForecast / Rio de Janeiro / Brazil

information circle48hr Weather and Surf, issued 8 pm Friday 29 May 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
23.3° C
(Which is normal for this time of year)

How big are the waves at Itaipu today (30 May):

  • Morning surf: Morning surf (30 May, local time) - 2.5ft (0.8m), 7s period with SSE swell.
  • Afternoon surf: Afternoon surf (30 May, local time) - 4.5ft (1.4m), 11s period with SSE swell.
  • Evening surf: Evening surf (30 May, local time) - 5.5ft (1.7m), 10s period with SSE swell.

The current surf forecast for Itaipu at 3AM is: 0.9m 7s primary swell from a South-southeast direction and 0.3m 10s secondary swell from a South-southeast direction (forecast issued at 08:00pm May 29). The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (30 May)2.5ft (0.8m)7s
Afternoon (30 May)4.5ft (1.4m)11s
Evening (30 May)5.5ft (1.7m)10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 22°C on Fri night, min 19°C on Sun night). Wind will be generally light.

Fri
29
Saturday
30
Sunday
31
Monday
1
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
Rating
(10 max)
0
1
1
1
1
1
1
1
2
3
3
3
3
2
2
1
1
2
2
2
2
2
1
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.1
S
8
1.1
S
8
1
S
8
0.9
SSE
7
0.8
SSE
7
0.8
SSE
7
1
SSE
9
1.4
SSE
11
1.6
SSE
10
1.7
SSE
10
1.6
SSE
10
1.6
SSE
11
1.6
SSE
11
1.6
SSE
11
1.6
SSE
11
1.6
SSE
10
1.5
SSE
10
1.3
S
10
1.2
S
10
1.2
S
10
0.9
SSE
10
0.9
SSE
10
0.9
SSE
10
0.8
SSE
10
Wave Graph
Metric surfscale
Energy kJ
165
149
115
89
67
67
169
423
511
585
588
611
611
611
599
530
432
353
296
296
140
169
135
105
Wind (km/h)
10
SE
10
E
10
ENE
10
NNE
10
NE
10
ENE
15
ESE
15
ESE
20
E
15
ENE
5
NE
5
N
5
NNW
5
NW
10
SSW
10
S
10
SE
5
E
5
NNE
5
N
10
N
5
NNW
10
S
15
S
cross
cross-off
off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
off
glassy
cross-off
cross
on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
glassy
cross-on
cross-on
High Tide
00:36AM0.93m
2:22PM1.01m
00:54AM0.95m
2:49PM0.99m
1:23AM0.96m
Low Tide
7:04PM0.09m
7:21AM-0.12m
7:47PM0.11m
8:04AM-0.14m
8:29PM0.14m
8:46AM-0.14m
cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
cloud
clear
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:24
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:14
5:14
5:14
Temp °C
22
22
21
20
20
21
22
22
22
21
20
20
20
20
22
22
22
21
20
19
19
20
21
21
21
21
20
20
20
21
20
20
20
20
20
20
21
21
22
22
22
22
21
20
20
22
22
21
Swell 1
Height (m)
Direction
Period (s)
1.1
S
8
1.1
S
8
1
S
8
0.9
SSE
7
0.8
SSE
7
0.8
SSE
7
1
SSE
9
1.4
SSE
11
1.6
SSE
10
1.7
SSE
10
1.6
SSE
10
1.6
SSE
11
1.6
SSE
11
1.6
SSE
11
1.6
SSE
11
1.6
SSE
10
1.5
SSE
10
1.3
S
10
1.2
S
10
1.2
S
10
0.9
SSE
10
0.9
SSE
10
0.9
SSE
10
0.8
SSE
10
Energy kJ
165
149
115
89
67
67
169
423
511
585
588
611
611
611
599
530
432
353
296
296
140
169
135
105
Swell 2
Height (m)
Direction
Period (s)
0.2
SSE
12
0.3
SSE
12
0.3
SSE
11
0.3
SSE
10
0.4
SSE
10
0.3
SSE
10
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
7
0.7
ESE
7
0.6
ESE
7
0.6
ESE
7
0.5
ESE
6
0.4
ESE
6
0.7
S
10
0.6
S
10
0.6
S
10
0.6
S
10
Energy kJ
15
28
25
19
33
20
1
1
1
1
1
1
1
1
38
30
29
23
16
96
74
71
67
Swell 3
Height (m)
Direction
Period (s)
0.1
E
7
0.1
E
7
0.1
E
7
0.2
SSE
12
0.1
E
7
0.1
E
7
0.1
E
7
0.1
S
16
0.4
ESE
6
0.4
ESE
6
0.4
SE
12
0.4
SSE
12
Energy kJ
1
1
1
14
1
1
1
5
14
13
37
56
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
3
3
3
3
3
3
3
2
2
2
2
2
2
1
1
Distance (km)
34
0
0
0
0
0
0
12
12
0
0
0
0
5
90
100
34
0
0
0
0
0
34
34
Best forecast wave conditions in Rio de Janeiro
Rating
(10 max)
2
1
1
1
1
1
1
2
3
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
Best forecast wave conditions in Brazil
Rating
(10 max)
2
1
1
1
1
2
1
3
3
3
3
3
3
3
3
3
3
2
2
2
2
2
3
2
Header Global
Rating
(10 max)
5
5
5
5
5
5
6
8
7
7
7
7
6
6
5
5
5
5
5
5
5
4
5
8
  • 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

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