Itaipu surfForecast / São Paulo / Brazil

information circle48hr Weather and Surf, issued 2 am Friday 15 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?

The current surf forecast for Itaipu at 7AM is: 1.1m 13s primary swell from a South direction and 0.1m 8s secondary swell from a East direction (forecast issued at 02:00am May 15). The wind direction is predicted to be cross-shore.

Time (-03) & DateWave HeightWave Period
Morning (15 May)3.5ft (1.1m)12s
Afternoon (15 May)3.5ft (1.0m)12s
Evening (15 May)3.5ft (1.0m)12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 22mm), heaviest during Sun morning. Warm (max 23°C on Sun afternoon, min 19°C on Fri morning). Wind will be generally light.

Friday
15
Saturday
16
Sunday
17
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
6 PM
9 PM
Rating
(10 max)
2
2
1
0
1
0
0
1
1
1
1
1
0
0
1
1
0
1
0
1
1
1
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.2
S
13
1.1
S
13
1.1
S
13
1.1
S
12
1.1
S
12
1
S
12
1
S
12
1
S
12
0.9
S
12
0.8
S
11
0.8
S
11
0.8
S
11
0.7
S
11
0.7
S
11
0.7
S
11
0.8
S
11
0.8
S
11
0.8
S
11
0.8
S
11
0.7
S
11
0.7
S
11
0.7
S
11
0.6
S
11
0.6
S
11
Wave Graph
Metric surfscale
Energy kJ
506
414
398
374
368
309
295
280
216
154
149
146
112
116
119
154
151
151
151
114
114
114
83
83
Wind (km/h)
5
NNW
5
WSW
5
SW
5
SW
5
WSW
5
S
10
SW
5
NNE
5
N
0
SW
0
W
0
SSW
10
SSW
5
SSE
5
NE
5
N
10
WSW
5
NNE
10
WSW
10
NW
5
NW
5
NW
10
N
5
NNE
glassy
glassy
cross
cross
glassy
on
cross
glassy
glassy
glassy
glassy
glassy
cross-on
on
glassy
glassy
cross
cross-off
cross
cross-off
off
off
off
cross-off
High Tide
1:33AM1.10m
1:52PM1.28m
2:01AM1.08m
2:33PM1.30m
2:29AM1.04m
3:15PM1.28m
Low Tide
7:59AM0.14m
8:38PM0.16m
8:36AM0.10m
9:24PM0.25m
9:12AM0.08m
part cloud
cloud
cloud
cloud
light rain
part cloud
light rain
light rain
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
rain showers
rain showers
rain showers
light rain
light rain
light rain
light rain
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:33
6:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:30
5:30
5:29
1
1
2
1
1
1
2
2
2
4
4
1
Temp °C
19
19
19
19
19
20
19
19
19
19
19
20
21
21
21
20
20
20
20
21
21
22
23
23
21
21
20
20
21
22
20
21
21
21
21
23
23
23
24
22
22
22
21
23
24
24
24
25
Swell 1
Height (m)
Direction
Period (s)
1.2
S
13
1.1
S
13
1.1
S
13
1.1
S
12
1.1
S
12
1
S
12
1
S
12
1
S
12
0.9
S
12
0.8
S
11
0.8
S
11
0.8
S
11
0.7
S
11
0.7
S
11
0.7
S
11
0.8
S
11
0.8
S
11
0.8
S
11
0.8
S
11
0.7
S
11
0.7
S
11
0.7
S
11
0.6
S
11
0.6
S
11
Energy kJ
506
414
398
374
368
309
295
280
216
154
149
146
112
116
119
154
151
151
151
114
114
114
83
83
Swell 2
Height (m)
Direction
Period (s)
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
7
0.3
ESE
4
0.3
ESE
4
0.3
ESE
4
0.3
E
4
0.2
ESE
4
Energy kJ
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
3
3
3
2
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
14
0.1
SE
14
0.1
SE
14
0.1
SE
14
0.1
SE
14
0.1
SE
14
0.1
SE
14
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
7
Energy kJ
7
8
8
7
8
8
7
7
7
7
7
7
7
7
6
1
1
1
1
1
Wind waves
Height (m)
Direction
Period (s)
0.4
ENE
4
Energy kJ
7
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
1
1
2
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
Distance (km)
0
0
12
12
0
14
12
0
0
0
0
0
20
43
0
0
12
0
7
0
0
0
7
7
Best forecast wave conditions in São Paulo
Rating
(10 max)
4
4
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
Best forecast wave conditions in Brazil
Rating
(10 max)
4
4
4
3
3
3
3
3
4
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
Header Global
Rating
(10 max)
6
5
6
5
5
5
5
5
5
5
4
5
5
5
5
5
4
4
8
8
9
5
4
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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