Itaipu surfForecast / Rio de Janeiro / Brazil

information circle48hr Weather and Surf, issued 8 am Saturday 30 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
23.6° 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 12PM is: 1.0m 9s primary swell from a South-southeast direction (forecast issued at 08:00am May 30). An open ocean swell of 0.1m 7s is not directed at the surf break. 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

Light rain (total 5mm), mostly falling on Sat night. Warm (max 22°C on Sat morning, min 19°C on Sat night). Wind will be generally light.

Saturday
30
Sunday
31
Monday
1
Tue
2
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
6 PM
9 PM
12 AM
3 AM
Rating
(10 max)
1
1
1
1
2
3
3
3
3
2
1
0
0
2
2
2
2
2
0
0
0
1
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)
0.8
SSE
7
0.8
SSE
7
1
SSE
9
1.4
SSE
11
1.6
SSE
10
1.7
SSE
10
1.7
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
1.2
S
10
0.9
SSE
10
0.9
SSE
10
0.9
SSE
10
1
SSE
10
0.8
SSE
9
0.9
SSE
10
0.8
SSE
10
Wave Graph
Metric surfscale
Energy kJ
67
67
169
423
530
585
607
611
611
611
531
511
432
353
296
296
290
169
135
135
186
92
142
120
Wind (km/h)
10
ENE
15
ENE
15
ESE
20
ESE
20
E
10
ENE
5
N
5
NNW
10
NNW
10
NW
15
SW
20
SW
10
SSW
5
SSW
5
NW
5
WNW
5
NNW
5
N
10
S
15
S
15
S
10
S
5
WSW
10
WSW
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
on
on
cross-on
glassy
glassy
glassy
glassy
glassy
cross-on
cross-on
cross-on
cross-on
glassy
cross-on
High Tide
2:22PM1.01m
00:54AM0.95m
2:49PM0.99m
1:23AM0.96m
3:04PM0.97m
2:00AM0.97m
Low Tide
7:21AM-0.12m
7:47PM0.11m
8:04AM-0.14m
8:29PM0.14m
8:46AM-0.14m
9:13PM0.17m
cloud
clear
clear
clear
part cloud
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
cloud
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
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
5:14
1
1
1
1
Temp °C
20
21
22
22
22
21
20
19
19
20
21
21
21
21
21
20
20
20
21
22
22
21
21
21
19
20
21
19
20
20
21
19
19
20
21
20
21
23
23
22
22
22
22
22
22
22
23
22
Swell 1
Height (m)
Direction
Period (s)
0.8
SSE
7
0.8
SSE
7
1
SSE
9
1.4
SSE
11
1.6
SSE
10
1.7
SSE
10
1.7
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
1.2
S
10
0.9
SSE
10
0.9
SSE
10
0.9
SSE
10
1
SSE
10
0.8
SSE
9
0.9
SSE
10
0.8
SSE
10
Energy kJ
67
67
169
423
530
585
607
611
611
611
531
511
432
353
296
296
290
169
135
135
186
92
142
120
Swell 2
Height (m)
Direction
Period (s)
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
0.7
ESE
7
0.6
ESE
6
0.5
ESE
7
0.5
ESE
6
0.4
ESE
6
0.6
S
10
0.6
S
10
0.6
S
9
0.5
S
9
0.6
SSE
11
0.5
S
9
0.5
S
9
Energy kJ
33
20
1
1
1
1
1
40
27
25
23
14
74
71
63
43
79
42
42
Swell 3
Height (m)
Direction
Period (s)
0.1
E
7
0.1
E
7
0.1
E
7
0.5
ESE
6
0.1
S
16
0.4
ESE
6
0.4
SE
12
0.4
SSE
12
0.3
E
6
0.5
S
10
0.2
E
6
0.2
E
6
Energy kJ
1
1
1
23
5
13
38
57
7
47
3
3
Wind waves
Height (m)
Direction
Period (s)
0.4
E
3
0.4
ESE
3
0.6
E
3
0.4
SW
3
0.4
SW
3
Energy kJ
2
3
8
2
2
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
3
3
3
3
3
3
2
2
2
2
2
2
2
1
1
1
1
1
1
Distance (km)
0
0
0
12
12
0
0
0
0
5
102
102
102
0
0
0
0
0
34
102
34
34
0
20
Best forecast wave conditions in Rio de Janeiro
Rating
(10 max)
1
1
1
2
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
1
Best forecast wave conditions in Brazil
Rating
(10 max)
1
2
1
3
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
1
Header Global
Rating
(10 max)
5
5
6
8
7
7
7
7
7
6
5
5
5
5
5
5
5
4
5
5
5
5
5
4
  • 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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